Kazuyuki KITAProfessor
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Paper
- Aircraft‐based observation of mineral dust particles over the western North Pacific in summer using a complex amplitude sensor
S. Ohata; N. Moteki; K. Adachi; Y. Tobo; H. Matsui; K. Kita; T. Mori; M. Koike
Journal of Geophysical Research: Atmospheres, Mar. 2025, [Reviewed] - Positive correlations between 137Cs and fungal tracers in Fukushima aerosols: Implication for enhanced nighttime fungal spore emission with radioactivity from forest soil to the atmosphere
Kimitaka Kawamura; Bhagawati Kunwar; Kazuyuki Kita; Naho Hayashi; Yasuhito Igarashi
Atmospheric Pollution Research, Mar. 2025, [Reviewed] - Vertical distribution of airborne microorganisms over forest environments:,A potential source of ice-nucleating bioaerosols
T. Maki; K. Hosaka; K.C. Lee; Y. Kawabata; M. Kajino; M. Uto; K. Kita; Y. Igarashi, Airborne microorganisms transported from forested areas can influence cloud formation by forming ice nuclei. However, the vertical transportation of airborne microorganisms over forested areas is not well understood. We collected aerosols at three heights, [ground (2 m), canopy top (20 m), and above canopy (500 m)] during the summer, fall and winter, to analyze the airborne microbial communities that were distributed vertically over the forest. During summer and fall, the microbial particles maintained similar concentrations in the forest zone,(canopy top and ground) and decreased to 1/10th of the microbial concentration in the above canopy area. The particle concentrations in winter indicated efficient vertical mixing below 500 m. High-throughput DNA sequencing revealed that the airborne microbial communities were composed of terrestrial and phyllospheric,species associated with the degradation of decaying plant litters. Regardless of the three seasons, the above canopy was dominated by atmospheric stress-resistant bacteria from the phyla Actinobacteria and Firmicutes.,Unlike bacteria, the mushroom-type fungal members of Agaricomycetes grew in relative abundance above the canopy, primarily throughout the summer and winter, while mold-type fungal Dothideomycetes species were often found at all three heights during the fall. The Fusarium, Pseudomonas, and Bacillus isolates, which were obtained from air samples at three heights, indicated high activities of ice nucleation in the water-drop freezing., Elsevier Ltd.
Atmospheric Environment, 16 Mar. 2023, [Reviewed] - 〔Major achievements〕Atmospheric resuspension of insoluble radioactive cesium-bearing particles found in the difficult-to-return area in Fukushima
Peng Tang; Kazuyuki Kita; Yasuhito Igarashi; Yukihiko Satou; Koutarou Hatanaka; Kouji Adachi; Takeshi Kinase; Kazuhiko Ninomiya and Atsushi Shinohara, Corresponding, Abstract
The deposition of insoluble radiocesium-bearing microparticles (CsMPs), which were released from the Fukushima Daiichi Nuclear Power Plant (F1NPP) accident in March 2011, has resulted in the widespread contamination of eastern Japan. Obviously, these deposited insoluble CsMPs may become the secondary contamination sources by atmospheric migration or other environmental transferring process; however, the understanding of the transport mechanism remains non-elucidation, and the relevant evidence has not been directly provided. This study, for the first time, provides the direct evidence for the resuspension of these insoluble CsMPs to the atmosphere from (1) proximity of 137Cs radioactivity and resemblance of the morphology and the elemental compositions of CsMPs in the samples of soil and aerosol derived from the same sampling site, (2) the special characteristics of the resuspended CsMPs of which the ratios of Na/Si, K/Si and/or Cs/Si were smaller than those from the initially released CsMPs collected at either long distance or near F1NPP, which can be ascribed to the slowly natural corrosion of CsMPs by the loss of the small amount of soluble contents in CsMPs, and (3) high CsMPs concentration of 10 granules/g in the surface soil of our sampling site and high resuspension frequency of CsMPs in spring when predominant suspended particles were soil dust. Specifically, 15 single CsMPs were successfully isolated from the aerosol filters collected by unmanned high-volume air samplers at a severely polluted area in Fukushima Prefecture, about 25 km away from F1NPP, from January 2015 to September 2019. The mean diameter of these CsMPs was 1.8 ± 0.5 μm, and the average 137Cs radioactivity was 0.35 ± 0.23 Bq/granule. The contribution rate of the resuspended CsMPs to the atmospheric radiocesium was estimated from the ratio of 137Cs radioactivity of a single CsMP to that of the aerosol filter to be of 23.9 ± 15.3%. There has been no considerable decreasing trend in the annual CsMP resuspension frequency., Japan Geoscience union/Springer Nature
Progress in Earth and Planetary Science, 14 Mar. 2022, [Reviewed] - Relationship of 137Cs with Fungal Spore Tracers in the Ambient Aerosols from Fukushima after the 2011 Nuclear Accident
Kawamura K; Kunwar B; Kita K; Hayashi N; Igarashi Y, Even after 7 years of the nuclear accident that occurred in 2011 at the Fukushima Dai-ichi nuclear power plant (F1NPP), high levels of 137Cs have been detected in ambient aerosols from some polluted areas of Fukushima. Higher levels of radionuclides were often observed in the atmosphere during and after rain events. We presume that biological processes such as fungal activity associated with higher relative humidity may be involved with a possible emission of radioactivity to the atmosphere, which was originally emitted from the F1NPP accident and was deposited over the ground, forest, soil, etc. Here, we report, for the first time, relationships of 137Cs and organic tracers of fungal spores (i.e., arabitol, mannitol and trehalose) in the aerosol samples collected from Fukushima, Japan. Although we found twice-higher concentrations of 137Cs at nighttime than at daytime, fungal spore tracers did not show a consistent trend to 137Cs, that is, organic tracers at nighttime were similar with those at daytime or were even higher in daytime. This study has not clearly demonstrated that fungal spores are the important source of high levels of 137Cs at nighttime. The current unclear relationship is probably associated with the sampling strategy (four consecutive days with a sampling on/off program for day/nighttime samples) taken in this campaign, which may have caused a complicated meteorological situation., MDPI
Atmosphere, 03 Mar. 2022, [Reviewed] - Reassessment of the radiocesium resuspension flux from contaminated ground surfaces in eastern Japan
Mizuo Kajino; Akira Watanabe; Masahide Ishizuka; Kazuyuki Kita; Yuji Zaizen; Takeshi Kinase; Rikuya Hirai; Kakeru Konnai; Akane Saya; Kazuki Iwaoka; Yoshitaka Shiroma; Hidenao Hasegawa; Naofumi Akata; Masahiro Hosoda; Shinji Tokonami; and Yasuhito Igarashi, Resuspension of 137Cs from the contaminated ground surface to the atmosphere is essential for understanding the environmental behaviors of 137Cs and estimating external and inhalation exposure of residents. Kajino et al. (2016) assessed the 137Cs resuspension flux from bare soil and forest ecosystems in eastern Japan in 2013 using a numerical simulation constrained by surface air concentration measurements. However, the simulation was found to underestimate the observed deposition amounts by 2 orders of magnitude. The reason for this underestimation is that the simulation assumed that resuspended 137Cs is carried by submicron aerosols, which have low deposition rates. Based on the observational indications that soil dust and bioaerosols are the major carriers of resuspended 137Cs, a new simulation is performed with higher deposition rates constrained by both surface concentrations and deposition amounts. In the new estimation, the total areal annual resuspension of 137Cs in 2013 is 25.7 TBq, which is equivalent to 0.96 % of the initial deposition (2.68 PBq). Due to the rapid deposition rates, the annual redeposition amount is also large at 10.6 TBq, approximately 40 % of the resuspended 137Cs. The resuspension rate through the atmosphere (0.96 % yr−1) seems slow, but it (2.6 × 10−5 d−1) may not be negligibly small compared to the actual decreasing trend of the ambient gamma dose rate obtained in Fukushima Prefecture after the radioactive decay of 137Cs plus 134Cs in 2013 is,subtracted (1.0–7.9 × 10−4 d−1): resuspension can account for 1 %–10 % of the decreasing rate due to decontamination and natural decay through land surface processes., the European Geosciences Union, Copernicus Publications
Atmospheric chemistry and physics, 18 Jan. 2022, [Reviewed] - 温帯落葉広葉樹林から放出されたバイオエアロゾルの輸送過程の数値解析
南 光太郎; 堅田 元喜; 北 和之; 反町 篤行; 保坂 健太郎; 五十嵐 康人, Following the Fukushima Daiichi nuclear power plant accident, it has been recognized that bioaerosols with radioactive cesium may have released from radiologically contaminated forest into the atmosphere. In order to evaluate the above process, the emission rate of bioaerosol was inversely estimated using a numerical model named SOLVEG that includes the processes of emission, deposition, and turbulent transport of aerosols. For the inverse estimation, micrometeorological variables and bioaerosol number concentration and flux were observed at a Japanese temperate broad-leaved forest in summer. By tuning modelled emission rate of bioaerosols from forest floor, its best estimate was obtained at the agreement between calculated and observed concentrations below the canopy. General trends of calculated momentum, heat, and bioaerosol fluxes above the canopy were also reproduced in the simulation. In the numerical experiment without bioaerosol input at the top of atmosphere above the canopy, a certain amount (59%) of bioaerosol flux at the floor released above the canopy top, while the rest of the flux deposited onto both canopy and soil. This potential flux above the canopy top was 2.0±1.8×10-2 μg m-2 s-1, which may correspond to the re-emission rate proposed previously by the chemical transport model., Japan Association of Aerosol Science and Technology
エアロゾル研究, 20 Sep. 2020, [Reviewed] - Rain‑induced bioecological resuspension of radiocaesium in a polluted forest in Japan
Kazuyuki Kita; Yasuhito Igarashi; Takeshi Kinase; Naho Hayashi; Masahide Ishizuka; Kouji Adachi; Motoo Koitabashi; Tsuyoshi Thomas Sekiyama and Yuichi Onda, Lead, It is the conventional understanding that rain removes aerosols from the atmosphere. However, we show additional evidence for rain‑induced aerosol emissions in a forest environment: the occurrence of radiocaesium‑bearing aerosols in a Japanese forest due to rain. We carried out general radioactive aerosol observations in a typical mountainous village area within the exclusion zone in Fukushima prefecture to determine the impacts and major drivers of the resuspension of radiocaesium originating from the nuclear accident in March 2011. We found that rain induces an increase in radiocaesium in the air in forests. With further investigations, we confirmed that the fungal spore sources of resuspended radiocaesium seemed to differ between rainy weather and nonrainy weather. Larger fungal particles (possibly macroconidia) are emitted during rainy conditions than during nonrainy weather, suggesting that splash generation by rain droplets is the major mechanism of the suspension of radiocaesium-bearing mould-like fungi., Nature Research
Scientific Reports, 18 Sep. 2020, [Reviewed] - 地表面に沈着した放射性セシウムの再飛散フラックス測定の試み
反町 篤行; 北 和之; 南光 太郎; 保坂 健太郎; 堅田 元喜; 五十嵐 康人, (公社)大気環境学会
大気環境学会年会講演要旨集, Sep. 2020 - Abundances and Microphysical Properties of Light‐Absorbing Iron Oxide and Black Carbon Aerosols Over East Asia and the Arctic
Atsushi Yoshida; Nobuhiro Moteki; Sho Ohata; Tatsuhiro Mori; Makoto Koike; Yutaka Kondo; Hitoshi Matsui; Naga Oshima; Akinori Takami; Kazuyuki Kita, Last, Black carbon (BC), brown carbon, and light‐absorbing iron oxides (FeOx) aerosols affect Earth's energy budget through their strong absorption of solar radiation. FeOx aerosols can also affect global biogeochemical cycles through their role as a nutrient for oceanic phytoplankton. However, observational data for these aerosols required for evaluating their effects using global models are scarce, especially for FeOx. Here, we summarize and compare the data sets of BC and FeOx from five ground‐based and three aircraft observation campaigns conducted in the East Asian and Arctic regions during the 2009–2018 period acquired using a modified single‐particle soot photometer. In these campaigns, >80% of FeOx‐containing aerosols in the 170–270 nm FeOx core size range had microphysical features indicating an anthropogenic origin. In every campaign, FeOx, BC, and carbon monoxide were tightly correlated with each other with similar slope to the urban campaigns (around Tokyo), implying the spatiotemporal variation of anthropogenic FeOx emission around northern middle‐to‐high latitudes is similar to those of anthropogenic BC and CO emissions., John Wiley & Sons Pte Ltd
Journal of Geophysical Research - Atmosphere, 13 Jun. 2020, [Reviewed] - Enhanced new particle formation above the marine boundary layer over the Yellow Sea: Potential impacts on cloud condensation nuclei
Takegawa N.; Seto T.; Moteki N.; Koike M.; Oshima N.; Adachi K.; Kita K.; Takami A.; and Kondo Y.
Journal of Geophysical Research: Atmospheres, 16 May 2020, [Reviewed] - Concentrations and Size Distributions of Black Carbon in the Surface Snow of Eastern Antarctica in 2011
T. Kinase; K. Adachi; N. Oshima; K. Goto‐Azuma; Y. Ogawa‐Tsukagawa; Y. Kondo; N. Moteki; S. Ohata; T. Mori; M. Hayashi; K. Hara; H. Kawashima; K. Kita, Last, Wiley
Journal of Geophysical Research - Atmosphere, 16 Jan. 2020, [Reviewed] - 福島県内の里山地域における大気中Cs濃度の変遷
五十嵐 康人; 北 和之; 木名瀬 健; 林 奈穂; 南 光太郎; 木村 茉央; 反町 篤行; 大河内 博; 後藤 友里絵; 石塚 正秀; 牧 輝弥; 保坂 健太郎; 羽田野 祐子, (公社)大気環境学会
大気環境学会年会講演要旨集, Sep. 2019 - 放射性セシウムの再飛散・再沈着モデリング
梶野 瑞王; 石塚 正秀; 五十嵐 康人; 北 和之; 財前 祐二; 木名瀬 健; 渡邊 明, (公社)大気環境学会
大気環境学会年会講演要旨集, Sep. 2019 - Diffusion in the atmosphere
Hisashi Nakamura; Yu Morino; Masayuki Takigawa; Anne Mathieu; Olivier Saunier; Denis Quélo; Damien Didier; Akira Watanabe; Haruo Tsuruta; Yasuji Oura; Mitsuru Ebihara; Daisuke Goto; Kazuyuki Kita; Mizuo Kajino; Yoshio Takahashi; Naohiro Yoshida; Isao Tanihata; Mamoru Fujiwara, Cambridge University Press
Environmental Contamination from the Fukushima Nuclear Disaster: Dispersion, Monitoring, Mitigation and Lessons Learned, 16 Aug. 2019 - Fungal spore involvement in the resuspension of radiocaesium in summer
Yasuhito Igarashi; Kazuyuki Kita; Teruya Maki; Takeshi Kinase; Naho Hayashi; Kentaro Hosaka; Kouji Adachi; Mizuo Kajino; Masahide Ishizuka; Tsuyoshi Thomas Sekiyama; Yuji Zaizen; Chisato Takenaka; Kazuhiko Ninomiya; Hiroshi Okochi; and Atsuyuki Sorimachi
Scientific Reports, 2019, [Reviewed] - The seasonal variations of atmospheric 134,137Cs activity and possible host particles for their resuspension in the contaminated areas of Tsushima and Yamakiya, Fukushima, Japan
Takeshi Kinase; Kazuyuki Kita; Yasuhito Igarashi; Kouji Adachi; Kazuhiko Ninomiya; Atsushi Shinohara; Hiroshi Okochi; Hiroko Ogata; Masahide Ishizuka; Sakae Toyoda; Keita Yamada; Naohiro Yoshida; Yuji Zaizen; Masao Mikami; Hiroyuki Demizu; Yuichi Onda, 日本地球惑星科学連合
Progress in Earth and Planetary Science, 01 Dec. 2018, [Reviewed] - Vertical profile of tropospheric ozone derived from synergetic retrieval using three different wavelength ranges, UV, IR, and microwave: Sensitivity study for satellite observation
Tomohiro O. Sato; Takao M. Sato; Hideo Sagawa; Katsuyuki Noguchi; Naoko Saitoh; Hitoshi Irie; Kazuyuki Kita; Mona E. Mahani; Koji Zettsu; Ryoichi Imasu; Sachiko Hayashida; Yasuko Kasai, Copernicus GmbH
Atmospheric Measurement Techniques, 26 Mar. 2018, [Reviewed] - Atmospheric Activity Concentration of 90Sr and 137Cs after the Fukushima Daiichi Nuclear Accident
Zijian Zhang; Kazuhiko Ninomiya; Yoshiaki Yamaguchi; Kazuyuki Kita; Haruo Tsuruta; Yasuhito Igarashi; and Atsushi Shinohara
Environmental Science & Technology, 2018, [Reviewed] - Characterization of hydrocarbons in aerosols and investigation of biogenic sources as a carrier of radiocesium isotopes
Mayuko Nakagawa; Keita Yamada; Sakae Toyoda; Kazuyuki Kita; Yasuhito Igarashi; Shingo Komatsu; Kentaro Yamada; Naohiro Yoshida, 地球化学会
Geochemical Journal, 2018, [Reviewed] - Radioactivity in soil from near the Fukushima Dai-ichi Nuclear Power Plant at five years after the accident
二宮和彦; 北和之; 篠原厚; 河津賢澄; 箕輪はるか; 大槻勤; 高宮幸一; 木野康志; 小荒井一真; 齊藤敬; 佐藤志彦; 末木啓介; 竹内幸生; 土井妙子; 阿部善也; 稲井優希; 岩本康弘; 上杉正樹; 遠藤暁; 大河内博; 奥村真吾; 小野貴大; 小野﨑晴佳; 勝見尚也; 神田晃充; 金野俊太郎; グエンタットタン; 久保謙哉; 小池裕也; 末岡晃紀; 鈴木正敏; 鈴木健嗣; 鈴木杏菜; 高瀬つぎ子; 髙橋賢臣; 竹中聡汰; 張子見; 中井泉; 長尾誠也; 中村駿介; 南部明弘; 西山純平; 西山雄大; 福田大輔; 藤井健悟; 藤田将史; 宮澤直希; 村野井友; 森口祐一; 谷田貝亜紀代; 山守航平; 横山明彦; 吉田剛; 吉村崇; 渡邊明
KEK Proceedings of the 18th Workshop on Environmental Radioactivity, Jul. 2017, [Reviewed] - Use of a size-resolved 1-D resuspension scheme to evaluate resuspended radioactive material associated with mineral dust particles from the ground surface
Masahide Ishizuka; Masao Mikami; Taichu Y. Tanaka; Yasuhito Igarashi; Kazuyuki Kita; Yutaka Yamada; Naohiro Yoshida; Sakae Toyoda; Yukihiko Satou; Takeshi Kinase; Kazuhiko Ninomiya; Atsushi Shinohara
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, Jan. 2017, [Reviewed] - Rapid isolation method for radioactive strontium using EmporeTM Strontium Rad Disk
Zijian Zhang; Kazuhiko Ninomiya; Naruto Takahashi; Takashi Saito; Kazuyuki Kita; Yoshiaki Yamaguchi; Atsushi Shinohara
J. Nucl. & Radiochem. Sci., Aug. 2016, [Reviewed] - Effects of wet deposition on the abundance and size distribution of black carbon in East Asia
Y. Kondo; N. Moteki; N. Oshima; S. Ohata; M. Koike; Y. Shibano; N. Takegawa; K. Kita
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, May 2016 - Influence of the melting temperature on the measurement of the mass concentration and size distribution of black carbon in snow
Takeshi Kinase; Kazuyuki Kita; Yoshimi Tsukagawa-Ogawa; Kumiko Goto-Azuma; Hiroto Kawashima
ATMOSPHERIC MEASUREMENT TECHNIQUES, 2016, [Reviewed] - Long-term assessment of airborne radiocesium after the,Fukushima nuclear accident: Re-suspension from bare soil and forest,ecosystems
Kajino; M.; Ishizuka; M.; Igarashi; Y.; Kita; K.; Yoshikawa; C. and Inatsu; M.
Atmospheric Chemistry and Physics, 2016, [Reviewed] - 空間線量率の変動と気象条件の相関に関する研究
古谷真人; 五十嵐康人; 北和之; 青山智夫; 石塚正秀; 羽田野祐子
KEK Proceedings of the 16th Workshop on Environmental Radioactivity, Mar. 2015, [Reviewed] - Variability of aerosol particle number concentrations observed over the western Pacific in the spring of 2009
N. Takegawa; N. Moteki; N. Oshima; M. Koike; K. Kita; A. Shimizu; N. Sugimoto; Y. Kondo
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Dec. 2014 - 大気中の放射線強度の変動
渡邊 明; 鶴田 治雄; 北 和之; 篠原 厚; 二宮 和彦; 桧垣 正吾, (公社)大気環境学会
大気環境学会年会講演要旨集, Aug. 2014 - Maximum efficiency in the hydroxyl-radical-based self-cleansing of the troposphere
Franz Rohrer; Keding Lu; Andreas Hofzumahaus; Birger Bohn; Theo Brauers; Chih-Chung Chang; Hendrik Fuchs; Rolf Haeseler; Frank Holland; Min Hu; Kazuyuki Kita; Yutaka Kondo; Xin Li; Shengrong Lou; Andreas Oebel; Min Shao; Limin Zeng; Tong Zhu; Yuanhang Zhang; Andreas Wahner
NATURE GEOSCIENCE, Aug. 2014 - Variability of aerosol particle number concentrations observed over the western Pacific in the spring of 2009
N. Takegawa; N. Moteki; N. Oshima; M. Koike; K. Kita; A. Shimizu; N. Sugimoto; and Y. Kondo
Journal of Geophysical Research-Atmosphere, 2014 - Effect of surface BRDF of various land cover types on geostationary observations of tropospheric NO2
K. Noguchi; A. Richter; V. Rozanov; A. Rozanov; J. P. Burrows; H. Irie; K. Kita
ATMOSPHERIC MEASUREMENT TECHNIQUES, 2014 - Temporal changes in the emissions of CH4 and CO from China estimated from CH4/CO2 and CO/CO2 correlations observed at Hateruma Island
Y. Tohjima; M. Kubo; C. Minejima; H. Mukai; H. Tanimoto; A. Ganshin; S. Maksyutov; K. Katsumata; T. Machida; K. Kita
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2014 - DIAL measurement of lower tropospheric ozone over Saga (33.24A degrees N, 130.29A degrees E), Japan, and comparison with a chemistry-climate model
O. Uchino; T. Sakai; T. Nagai; I. Morino; T. Maki; M. Deushi; K. Shibata; M. Kajino; T. Kawasaki; T. Akaho; S. Takubo; H. Okumura; K. Arai; M. Nakazato; T. Matsunaga; T. Yokota; S. Kawakami; K. Kita; Y. Sasano
ATMOSPHERIC MEASUREMENT TECHNIQUES, 2014 - 放射性物質の土壌と森林からの再飛散
北 和之; 田中 美佐子; 木名瀬 健; 藤澤 遥; 山口 隆亮; 木野 日美子; 出水 宏幸; 五十嵐 康人; 三上 正男; 足立 光司; 吉田 尚弘; 豊田 栄; 山田 桂大; 渡邊 明; 鶴田 治雄; 長林 久夫; 篠原 厚; 二宮 和彦; 大河内 洋; 石塚 正秀; 川島 洋人; 大越 聡; 佐藤 睦人; 恩田 裕一, 公益社団法人 大気環境学会
大気環境学会誌, 2014 - Vertical transport mechanisms of black carbon over East Asia in spring during the A-FORCE aircraft campaign
N. Oshima; M. Koike; Y. Kondo; H. Nakamura; N. Moteki; H. Matsui; N. Takegawa; K. Kita
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Dec. 2013 - 固相抽出法を用いたエアダストに含まれる放射性ストロンチウムの分析
張 子見; 柿谷 俊輔; 二宮 和彦; 高橋 成人; 山口 喜郎; 吉村 崇; 齊藤 敬; 北 和之; 鶴田 治雄; 桧垣 正吾; 篠原 厚
Proceedings of the 14th Workshop on Environmental Radioactivity (KEK Proceedings 2013-7), Nov. 2013, [Reviewed] - 福島市、日立市、丸森町における134Cs, 137Csと7Beの大気中放射能濃度変化
柿谷 俊輔; 張 子見; 二宮 和彦; 高橋 成人; 齊藤 敬; 鶴田 治雄; 渡邊 明; 北 和之; 桧垣 正吾; 篠原厚
Proceedings of the 14th Workshop on Environmental Radioactivity (KEK Proceedings 2013-7), Nov. 2013, [Reviewed] - Actions Taken by Scientists in the Major Disaster and Activities in the Field of Earth Science
NAKAJIMA Teruyuki; TSURUTA Kazuo; TAKIGAWA Masayuki; MORINO Yu; SEKIYAMA Tsuyoshi; KAJINO Mizuo; WATANABE Akira; SHINOHARA Atsushi; KITA Kazuyuki, Japan Radioisotope Association
RADIOISOTOPES, 15 Oct. 2013 - 大気中放射性物質濃度と降下量変動の特徴
渡辺 明; 桧垣 正吾; 篠原 厚; 鶴田 治雄; 北 和之; 吉田 尚弘, (公社)大気環境学会
大気環境学会年会講演要旨集, Aug. 2013 - Missing OH source in a suburban environment near Beijing: Observed and modelled OH and HO2 concentrations in summer 2006
K. D. Lu; A. Hofzumahaus; F. Holland; B. Bohn; T. Brauers; H. Fuchs; M. Hu; R. Häseler; K. Kita; Y. Kondo; X. Li; S. R. Lou; A. Oebel; M. Shao; L. M. Zeng; A. Wahner; T. Zhu; Y. H. Zhang; F. Rohrer
Atmospheric Chemistry and Physics, 2013 - Measurements of regional-scale aerosol impacts on cloud microphysics over the East China Sea: Possible influences of warm sea surface temperature over the Kuroshio ocean current
M. Koike; N. Takegawa; N. Moteki; Y. Kondo; H. Nakamura; K. Kita; H. Matsui; N. Oshima; M. Kajino; T. Y. Nakajima
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Sep. 2012 - Size dependence of wet removal of black carbon aerosols during transport from the boundary layer to the free troposphere
N. Moteki; Y. Kondo; N. Oshima; N. Takegawa; M. Koike; K. Kita; H. Matsui; M. Kajino
GEOPHYSICAL RESEARCH LETTERS, Jul. 2012 - Quantifying the relationship between the measurement precision and specifications of a UV/visible sensor on a geostationary satellite
Hitoshi Irie; Hironobu Iwabuchi; Katsuyuki Noguchi; Yasuko Kasai; Kazuyuki Kita; Hajime Akimoto
ADVANCES IN SPACE RESEARCH, Jun. 2012 - A study of BRDF over Tokyo for the spaceborne measurements of atmospheric trace gases
K. Noguchi; A. Richter; J. P. Burrows; H. Irie; K. Kita, SPIE
Proceedings of SPIE - The International Society for Optical Engineering, 2012 - Observation and modelling of OH and HO2 concentrations in the Pearl River Delta 2006: a missing OH source in a VOC rich atmosphere
K. D. Lu; F. Rohrer; F. Holland; H. Fuchs; B. Bohn; T. Brauers; C. C. Chang; R. Haeseler; M. Hu; K. Kita; Y. Kondo; X. Li; S. R. Lou; S. Nehr; M. Shao; L. M. Zeng; A. Wahner; Y. H. Zhang; A. Hofzumahaus
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2012, [Reviewed] - Measurements of regional-scale aerosol impacts on cloud microphysics over the East China Sea: Possible influence of warm sea surface temperature over the Kuroshio ocean current
M. Koike; N. Takegawa; N. Moteki; Y. Kondo; H. Nakamura; K. Kita; H. Matsui; N. Oshima; M. Kajino; and T. Y. Nakajima, Wiley-Blackwell
Journal of Geophysical Research, 2012, [Reviewed] - Analysis of Delta O-2/Delta CO2 ratios for the pollution events observed at Hateruma Island, Japan
C. Minejima; M. Kubo; Y. Tohjima; H. Yamagishi; Y. Koyama; S. Maksyutov; K. Kita; H. Mukai
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2012 - Seasonal variations of the transport of black carbon and carbon monoxide from the Asian continent to the western Pacific in the boundary layer
R. L. Verma; Y. Kondo; N. Oshima; H. Matsui; K. Kita; L. K. Sahu; S. Kato; Y. Kajii; A. Takami; T. Miyakawa
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Nov. 2011 - Comparison of laser-induced fluorescence and chemiluminescence measurements of NO2 at an urban site
Hiroyuki Suzuki; Yuka Miyao; Tomoki Nakayama; Julie K. Pearce; Yutaka Matsumi; Kenshi Takahashi; Kazuyuki Kita; Kenichi Tonokura
ATMOSPHERIC ENVIRONMENT, Nov. 2011 - A202 大気放射性物質の広域観測と土壌からの再飛散の影響(スペシャル・セッション「放射性物質輸送モデルに関する現状と課題」,一般口頭発表)
北, 和之; 笠原, 理絵; 鶴田, 治雄; 桧垣, 正吾; 吉田, 尚弘; 豊田, 栄; 山田, 桂大; 篠原, 厚; 三上, 正男; 五十嵐, 康人; 恩田, 裕一; 末木, 啓介; 地球科学会; 日本地球惑星科学連合; 放射化学会連携緊急放射性物質サンプリングチーム大気班および分析班, Meteorological Society of Japan
大会講演予講集, Oct. 2011 - Observation and modelling of OH and HO2 concentrations in the Pearl River Delta 2006: A missing OH source in a VOC rich atmosphere
K. D. Lu; F. Rohrer; F. Holland; H. Fuchs; B. Bohn; T. Brauers; C. C. Chang; R. Häseler; M. Hu; K. Kita; Y.Kondo; X. Li; S. R. Lou; S. Nehr; M. Shao; L. M. Zheng; A. Wahner; Y. H. Zhang; and A. Hofzumahaus
Atmospheric Chemistry and Physics-Discussion, 2011, [Reviewed] - Wet removal of black carbon in Asian outflow: Aerosol Radiative Forcing in East Asia (A-FORCE) aircraft campaign
N. Oshima; Y. Kondo; N. Moteki; N. Takegawa; M. Koike; K. Kita; H. Matsui; M. Kajino; H. Nakamura; J. S. Jung; and Y. J. Kim, Blackwell Publishing Ltd
Journal of Geophysical Research, 2011 - Oxidant(O3+NO2) production processes and formation regimes in Beijing
Keding Lu; Yuanhang Zhang; Hang Su; Theo Brauers; Charles C. Chou; Andreas Hofzumahaus; Shaw C. Liu; Kazuyuki Kita; Joerg Kleffmann; Yutaka Kondo; Min Shao; Andreas Wahner; Jialin Wang; Xuesong Wang; Peter Wiesen; Tong Zhu
Journal of Geophysical Research, 08 Apr. 2010 - Radiative transfer modeling of filter-based measurements of light absorption by particles:Importance of particle size dependent penetration depth
N.Moteki; Y.Kondo; T.Nakayama; K.Kita; L.K.Sahu; T.Ishigai; T.Kinase; and Y.Matsumi
Journal of Aerosol Science, Apr. 2010, [Reviewed] - Amplification of Light Absorption of Black Carbon by Organic Coating
M. Shiraiwa; Y. Kondo; T. Iwamoto; K. Kita
AEROSOL SCIENCE AND TECHNOLOGY, 2010 - Size-dependent correction factors for absorption measurements using filter-based photometers:PSAP and COSMOS
T.Nakayama; Y.Kondo; N.Moteki; L.K.Sahu; T.Kinase; K.Kita; Y.Matsumi
Journal of Aerosol Science, 2010 - Atmospheric OH reactivities in the Pearl River Delta - China in summer 2006: measurement and model results
S. Lou; F. Holland; F. Rohrer; K. Lu; B. Bohn; T. Brauers; C. C. Chang; H. Fuchs; R. Haeseler; K. Kita; Y. Kondo; X. Li; M. Shao; L. Zeng; A. Wahner; Y. Zhang; W. Wang; A. Hofzumahaus
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2010 - Amplified Trace Gas Removal in the Troposphere
Andreas Hofzumahaus; Franz Rohrer; Keding Lu; Birger Bohn; Theo Brauers; Chih-Chung Chang; Hendrik Fuchs; Frank Holland; Kazuyuki Kita; Yutaka Kondo; Xin Li; Shengrong Lou; Min Shao; Limin Zeng; Andreas Wahner; Yuanhang Zhang
SCIENCE, Jun. 2009, [Reviewed] - Variability of submicron aerosol observed at a rural site in Beijing in the summer of 2006
N. Takegawa; T. Miyakawa; M. Kuwata; Y. Kondo; Y. Zhao; S. Han; K. Kita; Y. Miyazaki; Z. Deng; R. Xiao; M. Hu; D. van Pinxteren; H. Herrmann; A. Hofzumahaus; F. Holland; A. Wahner; D. R. Blake; N. Sugimoto; T. Zhu
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Apr. 2009, [Reviewed] - Rapid aerosol particle growth and increase of cloud condensation nucleus activity by secondary aerosol formation and condensation: A case study for regional air pollution in northeastern China
A. Wiedensohler; Y. F. Cheng; A. Nowak; B. Wehner; P. Achtert; M. Berghof; W. Birmili; Z. J. Wu; M. Hu; T. Zhu; N. Takegawa; K. Kita; Y. Kondo; S. R. Lou; A. Hofzumahaus; F. Holland; A. Wahner; S. S. Gunthe; D. Rose; H. Su; U. Poeschl
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Apr. 2009 - Aerosol optical properties observed during Campaign of Air Quality Research in Beijing 2006 (CAREBeijing-2006): Characteristic differences between the inflow and outflow of Beijing city air
R. M. Garland; O. Schmid; A. Nowak; P. Achtert; A. Wiedensohler; S. S. Gunthe; N. Takegawa; K. Kita; Y. Kondo; M. Hu; M. Shao; L. M. Zeng; T. Zhu; M. O. Andreae; U. Poeschl
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Feb. 2009, [Reviewed] - Chemical characterization of water-soluble organic carbon aerosols at a rural site in the Pearl River Delta, China, in the summer of 2006
Miyazaki; Y.; Y. Kondo; M. Shiraiwa; N. Takegawa; T. Miyakawa; S. Han; K. Kita; M. Hu; Z. Q. Deng; Y. Zhao; N. Sugimoto; D. R. Blake; and R. J. Weber
Journal of Geophysical Research, 2009, [Reviewed] - Spatial and Temporal Variations of Aerosols Around Beijing in the Summer 2006: 1. Model Evaluation and Source Apportionment
Matsui; H.; M. Koike; Y. Kondo; N. Takegawa; K. Kita; Y. Miyazaki; M. Hu; S-Y. Chang; D. R. Blake; J. D. Fast; R. A. Zaveri; D. G. Streets; Q. Zhang; and T. Zhu
Journal of Geophysical Research, 2009, [Reviewed] - Stabilization of the mass absorption cross section of black carbon for filter-based absorption photometry by the use of a heated inlet
Kondo.Y.; L.Sahu; M.Kuwata; Y.Miyazaki; N.Takegawa; NMoteki; J.Imaru; S.Han; T.Nakayamma; N.T.KimOanh; M.Hu; Y.J.Kim and K.Kita
Aerosol Science and Technology, 2009 - Mechanisms that influence the formation of high-ozone regions in the boundary layer downwind of the Asian continent in winter and spring
Y. Kondo; R. C. Hudman; K. Nakamura; M. Koike; G. Chen; Y. Miyazaki; N. Takegawa; D. R. Blake; I. J. Simpson; M. Ko; K. Kita; T. Shirai; S. Kawakami
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Aug. 2008, [Reviewed] - Ozone-enhanced layers in the troposphere over the equatorial Pacific Ocean and the influence of transport of midlatitude UT/LS air
H. Hayashi; K. Kita; and S. Taguchi, Corresponding
Atmospheric Chemistry and Physics, 19 May 2008, [Reviewed] - Atmospheric hydrogen peroxide and organic hydroperoxides during PRIDE-PRD'06, China: their concentration, formation mechanism and contribution to secondary aerosols
W. Hua; Z. M. Chen; C. Y. Jie; Y. Kondo; A. Hofzumahaus; N. Takegawa; C. C. Chang; K. D. Lu; Y. Miyazaki; K. Kita; H. L. Wang; Y. H. Zhang; and M. Hu
Atmospheric Chemistry and Physics, 2008, [Reviewed] - Aerosol optical properties in a rural environment near the mega-city Guangzhou, China: implications for regional air pollution, radiative forcing and remote sensing
R. M. Garland; H. Yang; O. Schmid; D. Rose; A. Nowak; P. Achtert; A. Wiedensohler; N. Takegawa; K. Kita; Y. Miyazaki; Y. Kondo; M. Hu; M. Shao; L. M. Zeng; Y. H. Zhang; M. O. Andreae; and U. Pöschl
Atmospherric Chemistry and Physics, 2008, [Reviewed] - Seasonal variations of atmospheric C-2-C-7 nonmethane hydrocarbons in Tokyo
Tomoko Shirai; Yoko Yokouchi; Donald R. Blake; Kazuyuki Kita; K. Izumi; M. Koike; Y. Komazaki; Y. Miyazaki; M. Fukuda; Y. Kondo
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Dec. 2007, [Reviewed] - Measurements of reactive nitrogen produced by tropical thunderstorms during BIBLE-C
M. Koike; Y. Kondo; K. Kita; N. Takegawa; N. Nishi; T. Kashihara; S. Kawakami; S. Kudoh; D. Blake; T. Shirai; B. Liley; M. Ko; Y. Miyazaki; Z. Kawasaki; T. Ogawa
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Sep. 2007, [Reviewed] - Evaluation of ozone column amount from the solar backscattering spectra measured with a spectrograph onboard an aircraft
T. Nakata; K. Kita; M. Suzuki; K. Shiomi; S. Okumura; and T. Ogawa
Earth Planets and Space, 31 Aug. 2007, [Reviewed] - Partitioning of HNO3 and particulate nitrate over Tokyo: Effect of vertical mixing
Y. Morino; Y. Kondo; N. Takegawa; Y. Miyazaki; K. Kita; Y. Komazaki; M. Fukuda; T. Miyazaki; N. Moteki; and D. R. Worsnop
J. Geophys. Res., Aug. 2006, [Reviewed] - A chemical ionization mass spectrometer for ground-based measurement of nitric acid
K. Kita; Y. Morino; Y. Kondo; Y. Komazaki; N. takegawa; Y. Miyazaki; J. Hirokawa; S. Tanaka; T. L. Thompspn; R.-S. Gao; and D. W. Fahey, Lead
J. Atmos. Ocean Tech., 2006, [Reviewed] - Combined MU radar and ozonesonde measurements of turbulence and ozone fluxes in the tropo-stratosphere over Shigaraki, Japan
N. M. Gavrilov; S. Fukao; H. Hashiguchi; K. Kita; K. Sato; Y. Tomikawa; and M. Fujiwara
Geophys. Res. Lett., 2006, [Reviewed] - 航空機搭載センサ"Airborne-OPUS"による二酸化硫黄ガスのリモートセンシング－アルゴリズム開発と検証実験
渡辺征春; 奥村真一郎; 鈴木 睦; 吉田重臣; 川上修司; 佐野琢己; 柴崎和夫; 畠山史郎; 北 和之; 小川利紘, 日本リモートセンシング学会
日本リモートセンシング学会誌, 2006, [Reviewed] - A springtime comparison of tropospheric ozone and transport pathways on the west coasts of the United States
O. R. Cooper; A. Stohl; S. Eckhardt; D. D. Parrish; S. J. Oltmans; B. J. Johnson; P. Nedelec; F. J. Schmidlin; M. J. Newchurch; Y. Kondo and K. Kita
J. Geophys. Res., 2005, [Reviewed] - Contribution of particulate nitrate to airborne measurements of total reactive nitrogen
Y. Miyazaki; Y. Kondo; N. Takegawa; R. J. Weber; M. Koike; K. Kita; M. Fukuda; Y. Ma; A. D. Clarke; V. N. Kapustin; F. Flocke; A. J. Weinheimer; M. Zondlo; F. L. Eisele; D. R. Blake; and B. Liley
J. Geophys. Res., 2005, [Reviewed] - Estimation of the contribution of intercontinental transport during the PEACE campaign by using a global model
M. Takigawa; K. Sudo; H. Akimoto; K. Kita; N. Takegawa; Y. Kondo; and M. Takahashi
J. Geophys. Res., 2005, [Reviewed] - Asian chemical outflow to the Pacific in late spring observed during the PEACE-B aircraft mission
N. Oshima; M. Koike; H. Nakamura; Y. Kondo; N. Takegawa; Y. Miyazaki; D. R. Blake; T. Shirai; K. Kita; S. Kawakami; T. Ogawa
Journal of Geophysical Research D: Atmospheres, 16 Dec. 2004, [Reviewed] - Photochemistry of ozone over the western Pacific from winter to spring
Y.Kondo; N.Nakamura; G.CVhen; N.Takegawa; M.Koike; Y.Miyazaki; K.Kita; J.Crawford; M.Ko; D.R.Blake; S.Kawakami; T.Shirai; B.Liley; Y.Wang; and T.Ogawa
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 14 Oct. 2004, [Reviewed] - Carbonyl sulfide (OCS) and carbon disulfide (CS2): Large scale distributions over the Western Pacific and emissions from Asia during TRACE-P
N. J. Blake; D. G. Streets; J.-H. Woo; I. J. Simpson; J. Green; S. Meinardi; K. Kita; E. Atlas; H. E. Huelberg; G. Sachse; M. A. Avery; S. A. Vay; R. W. Talbot; J. E. Dibb; A. R. Bandy; D. C. Thornton; F. S. Rowland; and D. R. Blake
J. Geophys. Res., 2004, [Reviewed] - Impacts of Biomass Burning in Southeast Asia on Ozone and Reactive Nitrogen over the Western Pacific in Spring
Y. Kondo; Y. Morino; N. Takegawa; M. Koike; K. Kita; Y. Miyazaki; G. W. Sachse; S. A. Vay; M. A. Avery; F. Flocke; A. J. Weinheimer; F. L. Eisele; M. A. Zondlo; R. J. Weber; H. B. Singh; G. Chen; J. Crawford; D. R. Blake; H. E. Fuelberg; A. D. Clarke; R. W. Talbot; S. T. Sandholm; E.V. Browell; D. G. Streets; and B. Liley
J. Geophys. Res., 2004, [Reviewed] - Removal of NOx and NOy in Asian outflow plumes: Aircraft measurements over the western Pacific in January 2002
N. Takegawa; Y. Kondo; M. Koike; G. Chen; T. Machida; T. Watai; D. R. Blake; D. G. Streets; J.-H. Woo; G. R. Carmichael; K. Kita; Y. Miyazaki; T. Shirai; J. B. Liley; and T. Ogawa
J. Geophys. Res., 2004, [Reviewed] - Asian chemical outflow to the Pacific in late spring observed during the PEACE-B aircraft mission
N. Oshima; M. Koike; H. Nakamura; Y. Kondo; N. Takegawa; Y. Miyazaki; D. R. Blake; T. Shirai; K. Kita; S. Kawakami; and T. Ogawa
J. Geophys. Res., 2004, [Reviewed] - Ozone production in transpacific Asian pollution plumes and implications for ozone air quality in California
R. C. Hudman; D. J. Jacob; O. R. Cooper; M. J. Evans; C. L. Heald; R.J. Park; F. Fesenfeld; F. Flocke; J. Holloway; G. Hubler; K. Kita; M. Koike; Y. Kondo; A. Neuman; J. Nowak; S. Oltmans; D. Parrish; J. M. Roberts; and T. Ryerson
J. Geophys. Res., 2004, [Reviewed] - 奥日光山岳域における夏季および秋季のオゾン濃度変動
畠山史郎; 北 和之, Photochemical ozone transported from Tokyo metropolitan area is pointed out to be one of the important causes for the forest decline observed in the Oku-Nikko mountainous area. Therefore, it is necessary to monitor ozone in the mountains of Oku-Nikko. However, long term observation of ozone in the Oku-Nikko area has been quite limited due to lack of electric power supply. In the work reported here we set up an ozone monitor near the top of Mt. Mae-Shirane in Oku-Nikko. Twenty Ni-Cd batteries were set for electric power supply, and 20 solar panels were also set to charge those Ni-Cd batteries during day time. On the basis of three months observation of ozone we could analyze the long term variation of ozone there. The highest concentration in summer was-70 ppb. High concentrations of ozone were recorded in the evening in summer when polluted air mass was transported from the Kanto Plane. High concentration of ozone appeared when the south wind prevailed and solar radiation was strong. On the other hand, in autumn, ozone was very constant around 40 ppb. No significant diurnal variation was observed. The influence of free troposphere was suggested in autumn. The air mass came from the west after passing over the Sea of Japan. It is indicated that the air mass containing Asian background ozone had reached this area in that season., Japan Society for Atmospheric Environment
大気環境学会誌, 2004 - Removal of NOx and NOy in biomass burning plumes in the boundary layer over northern Australia
N. Takegawa; Y. Kondo; M. Koike; M. Ko; K. Kita; D. R. Blake; N. Nishi; W. Hu; J. B. Liley; S. Kawakami; T. Shirai; Y. Miyazaki; H. Ikeda; J. Russell-Smith; and T. Ogawa
J. Geophys. Res., May 2003, [Reviewed] - Springtime photochemical ozone production observed in the upper troposphere over East Asia
Y. Miyazaki; K. Kita; Y. Kondo; M. Koike; M. Ko; W. Hu; S. Kawakami; D. R. Blake; and T. Ogawa
J. Geophys. Res., 2003, [Reviewed] - Photochemical production of ozone in the upper troposphere in association with cumulus convection over Indonesia
K. Kita; S. Kawakami; Y. Miyazaki; Y. Higashi; Y. Kondo; N. Nishi; M. Koike; D. R. Blake; T. Machida; T. Sano; W. Hu; M. Ko; and T. Ogawa, Lead
J. Geophys. Res., 2003, [Reviewed] - Photochemical ozone budget during BIBLE-A and B campaigns
M. Ko; W. Hu; J. Rodriguez; Y. Kondo; M. Koike; K. Kita; S. Kawakami; D. Blake; and S. Liu
J. Geophys. Res., 2003, [Reviewed] - Effects of biomass burning, lightning, and convection on O3, CO, and NOy over the tropical Pacific and Australia in August-October
Y. Kondo; M. Koike; K. Kita; H. Ikeda; N. Takegawa; I. Bey; D.J. Jacob; S. Kawakami; D. Blake; S.C. Liu; M. Ko; H. Irie; Y. Miyazaki; Y. Higashi; B. Liley; N. Nishi; Y. Zhao; and T. Ogawa
J. Geophys. Res., 2003, [Reviewed] - Black carbon in aerosol during BIBLE-B
J. B. Liley; D. Baumgardner; Y. Kondo; K. Kita; D. R. Blake; M. Koike; T. Machida; N. Takegawa; S. Kawakami; T. Shirai; and T. Ogawa
J. Geophys. Res., 2003, [Reviewed] - Vertical and meridional distributions of the atmospheric CO2 mixing ratio between northern mid latitudes and southern subtropics
T. Machida; K. Kita; Y. Kondo; D. Blake; S. Kawakami; G. Inoue and T. Ogawa
J. Geophys. Res., 2003, [Reviewed] - Emission estimates of selected volatile organic compounds from tropical savanna burning in northern Australia
T. Shirai; D. R. Blake; S. Meinardi; F. S. Rowland; J. Russel-Smith; A. Edwards; Y. Kondo; M. Koike; K. Kita; T. Machida; N. Takegawa; N. Nishi; S. Kawakami; and T. Ogawa
J. Geophys. Res., 2003, [Reviewed] - Ozonesonde observations in the Indonesian maritime continent: A case study on ozone rich layer in the equatorial upper troposphere
M. Fujiwara; Y. Tomikawa; K. Kita; Y. Kondo; N. Komala; S. Saraspriya; T. Manik; A. Suripto; S. kawakami; T. Ogawa; E. kelena; B. Suhardi; S. W. B. Harijono; M. Kudsy; T. Sribimawati; M. D. Yamanaka
Atmos. Environ., 2003, [Reviewed] - Photochemical production of O3 in biomass burning plumes in the boundary layer over northern Australia
N. Takegawa; Y. Kondo; M. Ko; M. Koike; K. Kita; D. R. Blake; W. Hu; C. Scott; S. Kawakami; Y. Miyazaki; J. Russel-Smith; and T. Ogawa
J. Geophys. Res. Lett., 2003, [Reviewed] - Synoptic-scale transport of reactive nitrogen over the western Pacific in spring
Y. Miyazaki; Y. Kondo; M. Koike; H. E. Fuelberg; C. M. Kiley; K. Kita; N. Takegawa; G. W. Sachse; F. Flocke; A. J. Weinheimer; H. B. Singh; F. J. Eisele; M. Zondlo; R. W. Talbot; S. T. Sandholm; M. A. Avery; and D. R. Blake
J. Geophys. Res., 2003, [Reviewed] - Export of anthropogenic reactive nitrogen and sulfur compounds from the East Asia region in spring
M. Koike; Y. Kondo; K. Kita; N. Takegawa; Y. Masui; Y. Miyazaki; M. W. Ko; A. J. Weinheimer; F. Flocke; R. J. Weber; D. C. Thornton; G. W. Sachse; S. A. Vay; D. R. Blake; D. G. Streets; F. L. Eisele; S. T. Sandholm; H. B. Singh; R. W. Talbot
J. Geophys. Res., 2003, [Reviewed] - NMHCs and halocarbons in Asian continental outflow during Transport and Chemical Evolution over the Pacific (TRACE-P): Comparison with PEM WEST-B
N. J. Blake; D. R. Blake; I. J. Simpsons; S. Meinardi; A. L. Swanson; J. P. Lopez; A. S. Katzenstein; B. Barletta; T. Shirai; E. Atlas; G. Sachse; M. Avery; S. Vay; H. E. Fuelberg; C. M. Kiley; K. Kita; F. S. Rowland
J. Geophys. Res., 2003, [Reviewed] - Measurement of NO2 by the photolysis conversion technique during the Transport and Chemical Evolution Over the Pacific (TRACE-P) campaign
K. Nakamura; Y. Kondo; G. Chen; J. H. Crawford; N. Takegawa; M. Koike; K. Kita; Y. Miyazaki; R. E. Shetter; B. L. Lefer; M. Avery; J. Matsumoto
J. Geophys. Res., 2003, [Reviewed] - Effects of biomass burning and lightening on atmospheric chemistry over Austraria and South-east Asia
Y.KOndo; N.Takegawa; Y.Miyazaki; M.Ko; M.Koike; K.Kita; S.Kawakami; T.Shirai; T.Ogawa; D.R.Blake; B.Liley; and J.Russel-Smith
International Journal of Wildland Fire, 2003 - Effects of biomass burning, lightning, and convection on O-3, CO, and NOy over the tropical Pacific and Australia in August-October 1998 and 1999
Y Kondo; M Koike; K Kita; H Ikeda; N Takegawa; S Kawakami; D Blake; SC Liu; M Ko; Y Miyazaki; H Irie; Y Higashi; B Liley; N Nishi; Y Zhao; T Ogawa
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Dec. 2002, [Reviewed] - Reactive nitrogen over the tropical Western Pacific: Influence from lightning and biomass burning during BIBLE A
M. Koike; Y. Kondo; D. Akutagawa; K. Kita; N. Nishi; S.C. Liu; D. Blake; S. Kawakami; N. Takegawa; M. Ko; Y. Zhao; and T. Ogawa
Journal of Geophysical Research Atmospheres, 12 Feb. 2002, [Reviewed] - Formation of an ozone lamina due to differential advection revealed by intensive observations
Y. Tomikawa; K. Sato; K. Kita; M. Fujiwara; M. Yamamori and T. Sano
J. Geophys. Res., 2002, [Reviewed] - Airborne vacuum ultraviolet resonance fluorescence instrument for in situ measurement of CO
N. Takegawa; K. Kita; Y. Kondo; Y. Matsumi; D. D. Parrish; J. S. Holloway; M. Koike; Y. Miyazaki; N. Toriyama; S. Kawakami; and T. Ogawa
J. Geophys. Res., 2001, [Reviewed] - Seasonal variation of tropospheric ozone in Indonesia revealed by 5-year ground-based observations
M. Fujiwara; K. Kita; T. Ogawa; S. Kawakami; T. Sano; N. Komala; S. Saraspriya and A. Suriputo, Blackwell Publishing Ltd
J. Geophys. Res., 2000, [Reviewed] - Seasonal variation of tropospheric ozone in Indonesia revealed by 5-year ground-based observations
M Fujiwara; K Kita; T Ogawa; S Kawakami; T Sano; N Komala; S Saraspriya; A Suripto
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, Jan. 2000, [Reviewed] - Impact of aircraft emissions on reactive nitrogen over the North Atlantic Flight Corridor region
M. Koike; Y. Kondo; H. Ikeda; G.L. Gregory; B.E. Anderson; G.W. Sachse; D. Blake; S.C. Liu; H.B. Singh. A. Thompson; K. Kita; Y. Zhao; T. Sugita; R.E. Shetter; and N. Toriyama
J. Geophys. Res., 2000, [Reviewed] - Total ozone increase associated with forest fires over the Indonesian region and its relation to the El Nino-Southern Oscillation
K. Kita; M. Fujiwara and S. Kawakami, Lead
Atmos. Environ., 2000, [Reviewed] - Increase of ozone and ozone precursor gases in the upper troposphere over the Indonesian-Northern Australian region observed during BIBLE-A aircraft observation campaign
K. Kita; Y. Miyazaki; Y. Higashi; S. Kawakami; T. Sano; M. Takeda; N. Nishi; Y. Kondo; M. Koike; D. R. Blake; N. Blake; B. Liley; T. Machida; W. Hu; M. Ko; J. Rodriguez; and T. Ogawa
Proceedings of Quadrennial Ozone Symposium Sapporo 2000, 2000 - Ozone-increased layers in the free troposphere observed over Indonesia and Northern Australia in BIBLE-A and B aircraft observation campaigns
Y. Higashi; K. Kita; Y. Miyazaki; Y. Tomikawa; M. Fujiwara; S. Kawakami; T. Shirai; N. Nishi; Y. Kondo; D. Blake; B. Liley; N. Komala; S. Saraspriya; A. Suripto; M. Timbul; and T. Ogawa
Proceedings of the Quadrennial ozone symposium Sapporo 2000, 2000 - Observation and origin of dry sir with high mixing ratios of ozone and its precursor gases in the tropical and subtropical upper troposphere during BIBLE aircraft observations
S. Kawakami; K. Kita; Y. Miyazaki; Y. Higashi; M. Fujiwara; Y. Tomikawa; N. Nishi; Y. Kondo; D. Blake; B. Liley; N. Komala; S. Saraspriya; A. Suripto; A. Shirai; and T. Ogawa, Proceedings of Quadrennial Ozone Symposium Sapporo 2000
Proceedings of Quadrennial Ozone Symposium Sapporo 2000, 2000 - Photochemical ozone budget during BIBLE-A campaign
M. Ko; J. Rodriguez; W. HU; Y. Kondo; M. Koike; K. Kita; S. Kawakami; and D. Blake
Proceedings of Quadrennial Ozone Symposium Sapporo 2000, 2000 - Reactive nitrogen over tropical ozone, reactive nitrogen, and CO observed over western and tropical Pacific Ocean in September-October 1998/1999
Y. Kondo; M. Koike; H. Ikeda; H. Irie; K. Kita; Y. Zhao; T. Machida; D. Blake; B. Liley; S. Kawakami; and T. Ogawa
Proceedings of Quadrennial Ozone Symposium Sapporo 2000, 2000 - High concentrations of ozone precursors observed in the upper troposphere over East Asia by aircraft measurements in April 1998
Y. Miyazaki; K. Kita; Y. Kondo; S. Kawakami; T. Machida; D. Blake; N. Nishi; and T. Ogawa
Proceedings of Quadrennial Ozone Symposium Sapporo 2000, 2000 - Ozonesonde observations in Indonesia during the BIBLE-A period
M. Fujiwara; K. Kita; S. Kawakami; T. Ogawa; S. Saraspriya; T. Manik; A. Suripto; N. Komala; E. Kelana; T. Sribimawati; M. Kudsy; S. W. B. Harijono; and M. D. Yamanaka
Proceedings of Quadrennial Ozone Symposium Sapporo 2000, 2000 - Reactive nitrogen over tropical Pacific: Influence from lightning and biomass burning
M. Koike; Y. Kondo; D. Akutagawa; N. Takegawa; N. Nishi; S. C. Liu; K. Kita; D. Blake; T. Machida; B. Liley; S. Kawakami; W. Hu; M. Ko; T. Ogawa; and N. Toriyama
Proceedings of Quadrennial Ozone Symposium Sapporo 2000, 2000 - Tropospheric ozone enhancements during the Indonesian forest fire events in 1994 and in 1997 as revealed by ground-based observations
M. Fujiwara; K. Kita; S. Kawakami; T. Ogawa; N. Komala; S. Saraspriya and A. Suriputo
Geophys. Res. Lett., 1999, [Reviewed] - Impact of aircraft emissions on NOx in the lowermost stratosphere at northern latitudes
Y. Kondo; M. Koike; H. Ikeda; B.E. Anderson; K. E. Brunke; Y. Zhao; K. Kita; T. Sugita; H.B. Singh; S.C; Liu; A. Thompson; G.L. Gregory; R. Shetter; G. Sachse; S.A. Vay; E.V. Browell; and M.J. Mahoney
Geophys. Res. Lett., 1999, [Reviewed] - An assessment of aircraft as a source of particles to the upper troposphere
B.E. Anderson; W.R. Cofer; J. Crawford; G.L. Gregory; S.A. Vay; K.E. Brunke; Y. Kondo; M. Koike; H. Schlager; S.L. Baughcum; E. Jensen; Y. Zhao; and K. Kita
Geophys. Res. Lett., 1999, [Reviewed] - Stratosphere-troposphere exchange of ozone associated with the equatorial Kelvin wave as observed with ozonesondes and rawinsondes
M. Fujiwara; K. Kita and T. Ogawa
J. Geophys. Res., 1998, [Reviewed] - Tropospheric ozone over Pacific and Indonesian Region: Relation with ENSO activity and a preliminary report on BIBLE aircraft campaign
K. Kita; M. Fujiwara; Y. Miyazaki; S. Kawakami; T. Ogawa; N. Komala; S. Saraspriya; Y. Kondo; M. Koike; T. Machida; B. Liley; D. Blake; M. Watanabe and N. Nishi
Proceedings of International symposium on tropospheric ozone in East Asia and its potential impacts on vegetation, 1998 - Gravity wave signature simultaneously observed in the oxygen atom and electron density profiles in the lower thermosphere
T. Imamura; K. Kita; N. Iwagami and T. Ogawa
Adv. in Space Res., 1997, [Reviewed] - Carbon monoxide column abundance and tropospheric concentrations retrieved from high resolution ground-based infrared solar spectra at 43.5N over Japan
Y. Zhao; Y. Kondo; F.J. Murcray; X. Liu; M. Koike; K. Kita; H. Nakajima; I. Murata and K. Suzuki
J. Geophys. Res., 1997, [Reviewed] - OI 630 nm nightglow depletion observations at Watukosek, Indonesia
K. Shibasaki; K. Kita; N. Iwagami; T. Ogawa; and A. Sriputo
J. Geomag. Geoelectr., 1997, [Reviewed] - Variability of oxygen atom concentration in the lower thermosphere observed by rocket experiments
K. Kita; T. Imamura; N. Iwagami; W. H. Morrow and T. Ogawa, Lead
Adv. in Space Res., 1996, [Reviewed] - Rocket observation of atomic oxygen and night airglow: Measurement of concentration with an improved resonance fluorescence technique
K. Kita; T. Imamura; N. Iwagami; W. H. Morrow and T. Ogawa, Lead
Ann. Geophys., 1996, [Reviewed] - Tropospheric ozone behavior in Indonesia
Ninong-Komala; Slamet-Saraspriya; K. Kita and T. Ogawa, Lead
Atmos. Environ., 1996, [Reviewed] - Atomic oxygen 630 nm and OH airglows at Mt. Haleakala, Hawaii in February and November 1993
Y. Kiyama; K. Kita; N. Iwagami and T. Ogawa
J. Geomag. Geoelectr., 1996, [Reviewed] - Gravity wave characteristics derived from structured atomic oxygen profile and multiple Es layers
T. Imamura; K. Kita and T. Ogawa
J. Geomag. Geoelectr., 1995, [Reviewed] - Polar thermosphere-stratosphere photochemical coupling experiment: Preliminary results of a rocket experiment
N. Iwagami; K. Kita; H. Yamamoto; T. Makino; H. Sekiguchi; T. Watanabe; K. Suzuki; K. Shibasaki; H. Amemiya; and T. Ono
Proceeding of 8th International Symposium of Solar Terrestrial Physics in Sendai, Jun. 1994 - Nitric oxide variability in the lower thermosphere at low latitudes
N. Iwagami; K. Kita; T. Ogawa; and K. S. Zalpuri
Adv. Space Res., 1993, [Reviewed] - Rocket observations of oxygen night airglows: Excitation mechanisms and oxygen atom concentration
K. Kita; N. Iwagami and T. Ogawa, Lead
Planet. Space Sci., 1992, [Reviewed] - Variability of stratospheric NO2 profiles at northern middle latitudes, in Ozone in the Atmosphere
Shibasaki; K.; N. Iwagami; K. Kita and T. Ogawa, A. Deepak Publishing
R. D. Bojkov and P. Fabian (eds.), Jan. 1989 - Bayesian statistical inference on airglow profiles from rocket observational data: comparison with conventional methods
K. Kita; T. Higuchi and T. Ogawa, Lead
Planet. Space Sci., 1989, [Reviewed] - Thermospheric NO Measurement at Solar Minimum
K. KITA; N. IWAGAMI; T. OGAWA
Journal of geomagnetism and geoelectricity, Jan. 1988, [Reviewed] - Height distributions of the night airglow emissions in the O2 Herzberg I system and oxygen green line from a simultaneous rocket observation
K. Kita; N. Iwagami; T. Ogawa; A. Miyashita and H. Tanabe, Lead
J. Geomag. Geoelectr., 1988, [Reviewed] - Bayesian statistical inference to remove periodic noise in the optical observations aboard a spacecraft
T. Higuchi; K. Kita and T. Ogawa
Applied Optics, 1988, [Reviewed]
MISC
- Contribution to risk reduction in decommissioning works by the elucidation of basic property of radioactive microparticles (Contract Research); FY2020 Nuclear Energy Science & Technology and Human Resource Development Project
廃炉環境国際共同研究センター; 五十嵐康人; 北和之; 佐藤志彦; 篠原厚; 大槻勤; 末木啓介; 奥田知明; 阿部善也; 高宮幸一; 二宮和彦
JAEA-Review 2023-021, Feb. 2024, [Reviewed] - Absorption of atmospheric radio-cesium by herbaceous plants and its contribution in the total absorption.
KITA Kazuyuki; NEUCHI Miki; MINAMIO Kenta; FURUKAWA Jun; IGARASHI Yasuhito
日本地球惑星科学連合大会予稿集(Web), 2023 - Detection of Cesium-rich microparticles (CsMP) by using their fluorescence
北和之; 阿部善也; 末木啓介; 佐藤志彦; 五十嵐康人
日本放射化学会討論会(Web), 2022 - Observation of bio-aerosol concentration by filter sampling and fluorescence spectra measurement
北和之; 関口碧; 川上花音; 南尾健太; 牧輝弥; 保坂健太郎; 五十嵐康人
日本地球惑星科学連合大会予稿集(Web), 2022 - Contribution to risk reduction in decommissioning works by the elucidation of basic property of radioactive microparticles (Contract research); FY2019 Nuclear Energy Science & Technology and Human Resource Development Project
Collaborative Laboratories for; Advanced Decommissioning Science; Ibaraki University
JAEA-Review 2020-033, Jan. 2021, [Reviewed] - 10-year variation of atmospheric Cs radioactivity concentration observed at highly polluted area in Fukushima
北和之; 林奈穂; TANG Peng; 畑中恒太郎; 木名瀬健; 足立光司; 財前祐二; 石塚正秀; 古川純; 羽田野祐子; 末木啓介; 恩田裕一; 二宮和彦; 篠原厚; 豊田栄; 山田桂太; 吉田尚弘; 佐藤志彦; 五十嵐康人
日本地球惑星科学連合大会予稿集(Web), 2021 - Measurements of microbial particles in the forest of a botanical garden using a real time viable particle counter
渡辺幸一; 牧輝弥; 保坂健太郎; 北和之; 五十嵐康人
エアロゾル科学・技術研究討論会(CD-ROM), 2021 - Vertical distribution of airborne microbial communities over forest areas
牧輝弥; 保坂健太郎; 三星かおり; 北和之; 五十嵐康人
エアロゾル科学・技術研究討論会(CD-ROM), 2021 - Fluorescence property of radiocesium-bearing microparticles emitted from Fukushima Daiichi Nuclear Accident
阿部善也; 阿部善也; 小野崎晴佳; 石川真帆; 中井泉; 北和之; 五十嵐康人; 五十嵐康人; 大浦泰嗣; 鶴田治雄; 森口祐一
日本放射化学会討論会(Web), 2020 - Ecological cesium resuspension generated by precipitation-Coarse bioaerosol
五十嵐康人; 木名瀬健; 北和之; 林菜穂; 石塚正秀; 足立光司; 小板橋基夫; 関山剛; 恩田裕一
日本放射化学会討論会(Web), 2020 - 緩和渦集積法を用いたバイオエアロゾルフラックスの測定システムの開発
反町篤行; 北和之; 五十嵐康人; 保坂健太郎; 南光太郎; 堅田元喜; 羽田野裕子; 池田遼
大気環境学会年会講演要旨集, 28 Aug. 2018 - 福島県浪江町の里山における大気エアロゾル中放射性セシウム濃度に及ぼす山林火災の影響
吉岡颯; 大河内博; CHO Gai; 勝見尚也; 二宮和彦; 北和之; 五十嵐康人
日本地球惑星科学連合大会予稿集(Web), 2018 - 福島高線量地区における夏季大気セシウム放射能濃度増加とバイオエアロゾル
北和之; 林奈穂; 南光太郎; 木村茉央; 五十嵐康人; 足立光司; 牧輝弥; 石塚正秀; 大河内博; 古川純; 二宮和彦; 篠原厚
日本地球惑星科学連合大会予稿集(Web), 2018 - Emission source variation of bioaerosol during precipitation in forest
林奈穂; 北和之; 五十嵐康人; 牧輝也; 小板橋基夫
エアロゾル科学・技術研究討論会(CD-ROM), 2018 - Bioaerosol Observation in Tsukuba Botanical Garden
五十嵐康人; 北和之; 牧輝弥; 保坂健太郎; 反町篤行; 羽田野祐子; 石塚正秀; 齊藤保典; 川端康弘; 大河内博; 白石浩一; 冨田孝幸; 足立光司; 財前祐二; 水谷耕平; 河村公隆
エアロゾル科学・技術研究討論会(CD-ROM), 2018 - Analysis of atmospheric resuspension of Cs‐137 in Fukushima with box model
中村祐太; 羽田野祐子; 北和之; 五十嵐康人; 梶野瑞王; 石塚正秀
KEK Proceedings (Web), Nov. 2017 - 降水によるエアロゾル発生現象?:大気‐森林相互作用の新展開をねらって
五十嵐康人; 北和之; 牧輝弥; 齊藤保典; 大河内博; 保坂健太郎; 白石浩一; 冨田孝幸; 足立光司; 財前祐二
エアロゾル科学・技術研究討論会(CD-ROM), 2017 - 福島森林域でのバイオエアロゾルの観察―放射性セシウムの大気再飛散担体の可能性
林奈穂; 北和之; 五十嵐康人; 足立光司; 木村徹; 牧輝弥; 二宮和彦; 篠原厚; 豊田栄; 石塚正秀
エアロゾル科学・技術研究討論会(CD-ROM), 2017 - 夏季‐秋季における放射性セシウム大気再飛散のメカニズム
西岡拓哉; 北和之; 林奈穂; 佐藤武尊; 五十嵐康人; 足立光司; 財前祐二; 豊田栄; 山田桂太; 吉田尚弘; 牧輝弥; 石塚正秀; 二宮和彦; 篠原厚; 大河内博; 阿部善也; 中井泉; 川島洋人; 古川純; 羽田野祐子; 恩田裕一
日本地球惑星科学連合大会予稿集(Web), 2017 - Long‐term prediction models of atmospheric concentration of Cs‐137 and their comparison with AIC
小西将貴; 羽田野祐子; 五十嵐康人; 北和之
KEK Proceedings (Web), Oct. 2016 - 放射性セシウムの大気への再浮遊にバイオエアロゾルが果たす役割
五十嵐康人; 北和之; 牧輝弥; 竹中千里; 木名瀬健; 足立光司; 梶野瑞王; 関山剛; 財前祐二; 石塚正秀; 二宮和彦; 大河内博; 反町篤行
日本気象学会大会講演予稿集, 30 Sep. 2016 - 福島第一原発事故由来放射性セシウムの再浮遊:バイオエアロゾルの役割?
五十嵐康人; 北和之; 牧輝弥; 竹中千里; 木名瀬健; 足立光司; 梶野瑞王; 関山剛; 財前祐二; 石塚正秀; 二宮和彦; 大河内博; 反町篤行
エアロゾル科学・技術研究討論会(CD-ROM), 31 Aug. 2016 - 福島第一原子力発電所事故による放射性物質の大気環境影響調査研究の現状と課題
鶴田治雄; 五十嵐康人; 井上智博; 大河内博; 大原利眞; 梶野瑞王; 兼保直樹; 北和之; 反町篤行; 平木隆年; 堀江洋佑; 森口祐一; 森野悠; 渡邊明
大気環境学会誌, 10 Mar. 2016 - 原発事故由来の放射性セシウム大気濃度の長期解析:土壌,植物からの再飛散
梶野瑞王; 梶野瑞王; 石塚正秀; 五十嵐康人; 北和之; 吉川知里; 稲津將
日本地球惑星科学連合大会予稿集(Web), 2016 - 福島第一原発事故由来放射性セシウムの再浮遊:胞子は重要な役割を果たすのか?
五十嵐康人; 北和之; 牧輝弥; 竹中千里; 木名瀬健; 足立光司; 梶野瑞王; 関山剛; 財前祐二; 石塚正秀; 二宮和彦; 大河内博; 反町篤行
日本地球惑星科学連合大会予稿集(Web), 2016 - 夏/秋季における大気中の放射性セシウムの再飛散過程~生物‐大気循環の可能性
北和之; 木名瀬健; 堀内貴明; 坂本宗一郎; 武井愛里; 出水宏幸; 五十嵐康人; 足立光司; 梶野瑞王; 山田桂太; 豊田栄; 吉田尚弘; 二宮和彦; 篠原厚; 大河内博; 緒方裕子; 石塚正秀; 牧輝弥; 阿部善也; 中井泉; 古川純; 恩田裕一
日本地球惑星科学連合大会予稿集(Web), 2016 - 放射性セシウムの大気再飛散担体粒子の解明
北和之; 田村匠; 田中美佐子; 木野日美子; 木名瀬健; 出水宏幸; 足立光司; 財前祐二; 五十嵐康人; 豊田栄; 山田桂大; 吉田尚弘; 二宮和彦; 阿部善也; 中井泉; 大河内博; 石塚正秀; 恩田裕一
日本地球惑星科学連合大会予稿集(Web), 2015 - 137Cs及び134Csの大気中放射能濃度と粒径分布の季節変動
木名瀬健; 北和之; 田中美佐子; 出水宏之; 五十嵐康人; 足立光司; 三上正男; 山田桂太; 豊田栄; 吉田尚弘; 篠原厚; 二宮和彦; 大河内博; 石塚正秀; 川島洋人; 中井泉; 阿部善也; 恩田裕一
日本地球惑星科学連合大会予稿集(Web), 2015 - 福島第一原子力事故初期に採取された大気試料中の140Baの分析
張子見; 二宮和彦; 北和之; 鶴田治雄; 五十嵐康人; 篠原厚
日本放射化学会年会・放射化学討論会研究発表要旨集, 11 Sep. 2014 - P235 リモートセンシングによる下部対流圏オゾン量導出のための航空機による検証観測(ポスターセッション)
谷中 郁哉; 北 和之; 山口 裕樹; 福寿 旅人; 板橋 良平; 木名瀬 健; 入江 仁士; 野口 克行; 中山 智喜; 松見 豊; 永井 智広; 酒井 哲; 財前 祐二; 森野 勇; 田中 智章
大会講演予講集, 30 Apr. 2014 - B306 福島およびその周辺4地点における大気エアロゾル中のCs-137濃度の3年間の長期変化(物質循環,一般口頭発表)
鶴田 治雄; 司馬 薫; 山田 裕子; 草間 優子; 荒井 俊昭; 渡邊 明; 長林 久夫; 北 和之; 篠原 厚; 二宮 和彦; 横山 明彦; 末木 啓介; 本多 照幸; 桧垣 正吾; 梶野 瑞王; 中島 映至
大会講演予講集, 30 Apr. 2014 - P3a4 静止衛星を用いた対流圏NO_2観測における地表面BRDFの影響 : 鉛直気柱量の評価(ポスター・セッション)
野口 克之; リヒター アンドレアス; バローズ ジョン・P; 入江 仁士; 北 和之
大会講演予講集, 2014 - 地表面から飛散したダスト粒子による再浮遊放射性物質の一次元推定
石塚正秀; 三上正男; 田中泰宙; 五十嵐康人; 北和之; 吉田尚弘; 豊田栄; 篠原厚
日本気象学会大会講演予稿集, 31 Oct. 2013 - P319 リモートセンシングによる下部対流圏オゾン量導出のための検証観測(ポスター・セッション)
山口 裕樹; 福寿 旅人; 北 和之; 板橋 良平; 木名 瀬健; 谷中 郁哉; 入江 仁士; 野口 克行; 中山 智喜; 松見 豊; 永井 智広; 酒井 哲; 財前 祐二; 森野 勇; 田中 智章
大会講演予講集, 30 Apr. 2013 - 福島第一原子力発電所事故により放出された放射性セシウムの大気再飛散メカニズムと飛散係数推定
北和之; 田中美佐子; 佐藤かおり; 木名瀬健; 出水宏幸; 五十嵐康人; 三上正男; 吉田尚弘; 豊田栄; 山田桂大; 篠原厚; 川島洋人; 大河内博; 恩田裕一
日本気象学会大会講演予稿集, 30 Apr. 2013 - P101 Nd:YAGレーザーを用いた二酸化窒素観測用ライダーの開発(II)(ポスター・セッション)
永井 智広; 酒井 哲; 真野 裕三; 中里 真久; 内野 修; 入江 仁士; 北 和之
大会講演予講集, 30 Sep. 2012 - 福島第一原発事故後の大気放射性物質の変動と土壌からの再飛散の影響
北和之; 田中美佐子; 佐藤ゆかり; 出水宏幸; 渡邊明; 鶴田治雄; 植松光夫; 桧垣正吾; 吉田尚弘; 豊田栄; 山田桂大; 篠原厚; 三上正男; 五十嵐康人; 恩田裕一; 末木啓介; 滝川雅之; 長林久夫; 横山明彦
大気環境学会年会講演要旨集, 29 Aug. 2012 - B103 Nd:YAGレーザーを用いた二酸化窒素観測用ライダーの開発(観測手法,一般口頭発表)
永井 智広; 酒井 哲; 真野 裕三; 中里 真久; 内野 修; 入江 仁士; 北 和之
大会講演予講集, 31 Oct. 2011 - 大気放射性物質の広域観測と土壌からの再飛散の影響
北和之; 笠原理絵; 鶴田治雄; 桧垣正吾; 吉田尚弘; 豊田栄; 山田桂大; 篠原厚; 三上正男; 五十嵐康人; 恩田裕一; 末木啓介
大気環境学会年会講演要旨集, 31 Oct. 2011 - 大気放射性物質の広域観測と土壌からの再飛散の影響
北和之; 笠原理絵; 鶴田治雄; 桧垣正吾; 吉田尚弘; 豊田栄; 山田桂大; 篠原厚; 三上正男; 五十嵐康人; 恩田裕一; 末木啓介
日本気象学会大会講演予稿集, 31 Oct. 2011 - P175 太陽散乱光の可視-紫外同時分光観測による下部対流圏オゾン量の推定 2 : 筑波山頂からの予備観測(ポスター・セッション)
北 和之; 大竹 翔; 仲地 正樹; 入江 仁士; 中里 真久
大会講演予講集, 2010 - Verification experiment of JEM/SMILES observation by balloon-borne optical ozone sensor and ECC ozone sensor
Kasai, Y; Y. Irimajiri; S. Ochiai; Y. Murayama; I. Murata; K. Sato; Y. Tomikawa; K. Kita; S. Okano
大気球シンポジウム: 平成21年度, Oct. 2009 - Introduction to SPARC
林田 佐智子; 小寺 邦彦; 秋吉 英治; 今村 隆史; 岩崎 俊樹; 笠井 康子; 北 和之; 小池 真; 佐藤 薫; 塩谷 雅人; 柴田 清孝; 津田 敏隆; 廣岡 俊彦; 藤原 正智; 村山 泰啓; 余田 成男; 堤 雅基
天気, 30 Nov. 2007 - P107 航空機リモートセンサAirborne-OPUSによる紫外後方散乱スペクトルからのオゾンカラム量導出及び誤差要因の検討
仲田 季寧; 北 和之; 鈴木 睦; 塩見 慶; 奥村 真一郎
大会講演予講集, 2006 - C301 航空機リモートセンサAirborne-OPUSによる紫外後方散乱スペクトルからのオゾンカラム量導出(物質循環III)
仲田 季寧; 北 和之; 鈴木 睦; 塩見 慶; 奥村 真一郎
大会講演予講集, 2005 - C209 夏季～秋季の日光白根山におけるオゾンの観測 : 2002年と2004年の比較(スペシャルセッション「高所山岳を利用した大気科学の展望:富士山頂を観測拠点に」)
畠山 史郎; 高見 昭憲; 片平 菊野; 高山 悟; 北 和之
大会講演予講集, 2005 - D304 春季西太平洋域で観測された自由対流圏中での人為起源物質の増大(その3) : PEACE-B航空機観測(物質循環II)
大島長; 小池真; 中村尚; 近藤豊; 竹川暢之; 宮崎雄三; BlakeD. R; 白井知子; 北和之; 川上修司; 小川利紘
大会講演予講集, May 2004 - D362 春季西太平洋域で観測された自由対流圏中での人為起源物質の増大(その2) : PEACE-B航空機観測(物質循環III)
大島長; 小池真; 近藤豊; 北和之; 竹川暢之; 宮崎雄三; 中村尚; BlakeD. R; 白井知子; 井上修司; 小川利紘
大会講演予講集, 15 Oct. 2003 - Photochemistry of ozone over the Western Pacific in Winter and Spring
Y Kondo; G Chen; R Hudman; D Jacob; M Koike; K Nakamura; N Takegawa; K Kita; Y Miyazaki; DR Blake; T Shirai; S Kawakami; M Takigawa; H Akimoto; T Ogawa
GEOCHIMICA ET COSMOCHIMICA ACTA, Sep. 2003 - Asian outflow to the Pacific observed during PEACE aircraft campaign in 2002
M Koike; Y Kondo; N Oshima; N Takegawa; K Kita; H Nakamura; Y Miyazaki; DR Blake; T Shirai; S Kawakami; T Ogawa
GEOCHIMICA ET COSMOCHIMICA ACTA, Sep. 2003 - Photochemical ozone production in the Asian outflow to the Pacific observed during PEACE aircraft campaign
K Kita; Y Kondo; A Koike; N Takegawa; K Nakamura; DR Blake; T Shirai; S Kawakami; T Ogawa
GEOCHIMICA ET COSMOCHIMICA ACTA, Sep. 2003 - Correlation of CO and CO2 in Asian outflow plumes observed during PEACE campaign in January 2002
N Takegawa; Y Kondo; T Machida; T Watai; M Koike; K Kita; DR Blake; S Kawakami; T Ogawa
GEOCHIMICA ET COSMOCHIMICA ACTA, Sep. 2003 - TRACE-Pで観測された窒素酸化物と硝酸塩エアロゾルの関係
山崎 淳; 近藤 豊; 小池 真; 北 和之; 竹川 暢之; 池田 響; 宮崎 雄三; 升井 幸男; 入江 仁士; TRACE-Pサイエンスチーム
大会講演予講集, May 2002 - Air-borne OPUSによる三宅島・桜島SO_2観測
渡辺 征春; 奥村 真一郎; 鈴木 睦; 川上 修司; 吉田 重臣; 佐野 琢己; 小川 利紘; 畠山 史郎; 北 和之; 近藤 豊
大会講演予講集, May 2002 - Impact of aircraft emissions on reactive nitrogen over the North Atlantic Flight Corridor region
M. Koike; Y. Kondo; H. Ikeda; G. L. Gregory; B. E. Anderson; G. W. Sachse; D. R. Blake; S. C. Liu; H. B. Singh; A. M. Thompson; K. Kita; Y. Zhao; T. Sugita; R. E. Shetter; N. Toriyama
Journal of Geophysical Research Atmospheres, 16 Feb. 2000 - Photochemical Production of Tropospheric Ozone Due to the Indonesian Forest Fires
FUJIWARA Masatomo; KITA Kazuyuki; KAWAKAMI Shuji; OGAWA Toshihiro
火災, 20 Apr. 1998 - インドネシア森林火災に伴う対流圏オゾン光化学生成
藤原正智; 北和之; 川上修司; 小川利紘
火災（日本火災学会誌）, 1998, [Invited] - Biomass burning in the Tropics and Tropospheric Ozone
K. Kita; M. Fujiwara and T. Ogawa
Global Environ. Res., 1998
Lead - 1997年乾季におけるインドネシアの森林火災による対流圏オゾン増大
川上修司; 藤原正智; 北和之; 小川利紘; Slamet Saraspriya; Agus Suripto; Ninong Komala
日本リモートセンシング学会誌, 1997 - Total ozone enhancement in September and October 1994 in Indonesia, in Atmospheric Ozone
Fujiwara; M.; K. Kita; T. Ogawa; N. Komala; S. Saraspriya; A. Suriputo and T. Sano
R. D. Bojkov and G. Visconti (eds.), Parco Scientifico e Tecnologico d'Abruzzo, Italy, Jan. 1996 - 接地境界層における大気微量気体のフラックス測定法と評価法
原薗芳信; 文字信貴; 宮田 明; 北 和之; 鱧谷 憲; 内田洋平; 吉本真由美; 佐野琢己; 藤原正智; 磯辺誠之; 小川利紘
農業環境技術研究所報告, 1996 - 同時ロケット観測による夜間大気光酸素分子ヘルツベルグI帯及び酸素原子557.7nm緑線の励起過程の研究
北 和之; 岩上直幹; 小川利紘; 宮下暁彦; 田辺浩義
宇宙科学研究所報告, 1988
Lead
Books and other publications
- Interlocal Adaptations to Climate Change in East and Southeast Asia,Sharing Lessons of Agriculture, Disaster Risk Reduction, and Resource Management
Do Duy Tung and Kazuyuki Kita, Contributor
Springer, Jan. 2022
9783030812065 - 原発事故環境汚染―福島第一原発事故の地球科学的側面
中島映至; 大原利眞; 植松光男; 恩田裕一, Joint work
東京大学出版会, 2014 - アサヒ・エコブックス 地球変動の最前線を訪ねる
北 和之; 小川 利紘; 及川 武久; 陽 捷行, Joint work
清水弘文堂書房, 2010 - 太陽地球系科学
日本地球電磁気; 地球惑星圏学会; 学校教育ワーキンググループ, Joint work
京都大学学術出版会, 2010 - 気象研究ノート 209号,先端質量分析技術による反応性大気化学組成の測定,第2章化学イオン化質量分析法による気体成分の測定
北 和之、森野 悠、竹川暢之、廣川 淳、近藤 豊、小池 真、谷本浩志, Joint work
日本気象学会, 2005 - 気象研究ノート 209号 先端質量分析技術による反応性大気化学組成の測定 第2章化学イオン化質量分析法による気体成分の測定
北 和之; 森野 悠; 竹川暢之; 廣川 淳; 近藤 豊; 小池 真; 谷本浩志, Joint work
日本気象学会, 2005 - 「対流圏光化学」、キーワード気象の事典
北 和之; 新田 尚; 伊藤朋之; 住 明正; 木村龍治; 安成哲三編, Single work
朝倉書店, 2002 - Total ozone enhancement in September and October 1994 in Indonesia, in Atmospheric Ozone
M. Fujiwara; K. Kita; T. Ogawa; N. Komala; S. Saraspriya; A. Suriputo and T. Sano, Joint work
Parco Scientifico e Tecnologico d'Abruzzo, 1996 - Variability of stratospheric NO2 profiles at northern middle latitudes, in "Ozone in the Atmosphere"
K. Shibasaki; N. Iwagami; K. Kita and T. Ogawa; (R. D. Bojkov and P. Fabian (eds.)), Joint work
A. Deepak Publishing, 1989
Lectures, oral presentations, etc.
- 大気と植物・菌類との放射性セシウム移行可能性の研究
北和之、 古川純、 根内水紀、 南尾健太、 羽田野祐子、 五十嵐康人
The 9th Annual Symposium of the IER, Fukushima University, 13 Feb. 2023, 福島大学環境放射能研究所
20230213, 20230214 - リアルタイム浮遊菌カウンタによる微生物粒子の計測―一般大気中および林内における観測―
渡辺幸一; 牧輝弥,保坂健太郎; 北和之
第14回大気バイオエアロゾルシンポジウム, 22 Jan. 2023, バイオエアロゾル研究会
20230121, 20230122 - UV励起蛍光スペクトルによるバイオエアロゾルのカテゴリ別定量と 森林内でのバイオエア ロゾル濃度高度分布の観測
北 和之、 南尾健太、 根内水紀、 井上未菜、 中川照喜、 高城有生、 反町篤行、 渡辺幸一、 保坂健太郎
第27回大気化学討論会, 17 Nov. 2022, 日本大気化学会
20221116, 20221118 - 蛍光を用いた放射性微粒子(CsMP) の検出可能性
北和之、阿部善也、末木啓介、佐藤志彦、五十嵐康人
日本放射化学会第66回討論会, 16 Sep. 2022, 日本放射化学会
20220915, 20220917 - フィルタサンプリングおよび蛍光スペクトル測定によるバイオエアロゾル定量法の開発
北 和之、関口 碧、川上 花音、南尾健太、牧 輝弥、保坂健太郎、五十嵐康人
日本地球惑星科学連合2022年大会, 26 May 2022, 公益社団法人日本地球惑星科学連合
20220522, 20220603 - 大気と植物・菌類間の放射性セシウム移行可能性の研究
北和之・林奈穂・加納瑞季・五十嵐康人・保坂健太郎・古川純
放射能環境動態・影響評価ネットワーク共同利用・共同研究拠点2021年次報告会, 14 Feb. 2022, 放射能環境動態・影響評価ネットワーク
20220214, 20220214 - 植物園林内におけるリアルタイム浮遊菌カウンタによる微生物粒子の計測
渡辺幸一、牧輝弥、保坂健太郎、北和之、五十嵐康人
第38回エアロゾル科学・技術研究討論会, 26 Aug. 2021, 日本アロゾル学会
20210826, 20210827 - 森林内外を浮遊するバイオエアロゾルの季節的変動の解明、森林内外を浮遊するバイオエアロゾルの季節的変動の解明
牧輝弥、保坂健太郎、三星かおり、北和之、五十嵐康人
第38回エアロゾル科学・技術研究討論会, 26 Aug. 2021, 日本エアロゾル学会
20210826, 20210827 - 福島高セシウム沈着地域での事故後10年間の大気放射能濃度変化
北和之、林奈穂、唐鵬、畑中恒太郎、木名瀬健、足立光司、財前祐二、石塚正秀、古川純、羽田野祐子、末木啓介、恩田裕一、二宮和彦、篠原厚、豊田栄、山田桂太、吉田尚弘、佐藤志彦、五十嵐康人
日本地球惑星科学連合2021年大会（JpGU Meeting 2021）, May 2021
20210530, 20210606 - 福島第一原発事故由来の放射性Cs 微粒子の蛍光特性
阿部善也; 小野﨑晴佳; 石川真帆; 中井泉; 北和之; 五十嵐康人; 大浦泰嗣; 鶴田治雄; 森口祐一
日本放射化学会第64回討論会, Sep. 2020
20200909, 20200911 - 降水で発生する生態学的セシウム再浮遊―粗大バイオエアロゾル
五十嵐康人; 木名瀬健; 北和之; 林菜穂; 石塚正秀; 足立光司; 小板橋基夫; 関山剛; 恩田裕一
日本放射化学会第64回討論会, Sep. 2020
20200909, 20200911 - Re-suspension of insoluble Cs radioactive particles to the atmosphere
Peng Tang; 畑中恒太郎; 北和之; 佐藤志彦; 二宮和彦; 篠原厚; 五十嵐康人
日本放射化学会第64回討論会, Sep. 2020
20200909, 20200911 - 降水で誘発される生態学的セシウム再浮遊―バイオエアロゾル発生過程
五十嵐康人; 木名瀬健; 足立光司; 関山剛; 北和之; 林菜穂; 石塚正秀; 小板橋基夫; 恩田裕一
第37回エアロゾル科学・技術研究討論会, Aug. 2020, 日本エアロゾル学会, [Invited]
20200827, 20200828 - Re-assessment of airborne radiocesium re-suspended from contaminated ground surface after the Fukushima Nuclear Accident
Kajino; M.; Watanabe; A.; Igarashi; Y.; Zaizen; Y.; Kinase; T.; Ishizuka; M.; Kita; K.
EGU General Assembly 2020, May 2020
20200504, 20200508 - Rain-enhanced/induced bioecological resuspension of radiocaesium in a polluted forest in Fukushima
Igarashi; Y.; Kita; K.; Kinase; T.; Hayashi; N.; Ishizuka; M.; Adachi; K.; Koitabashi; M.; Onda; Y
EGU General Assembly 2020, May 2020
20200504, 20200508 - 福島帰宅困難地区で観測したセシウム-137大気放射能濃度の最近の変化
北和之; 林菜穂; 木村茉央; 畑中恒太朗; 加納瑞樹; 南光太郎; Peng Tang; 古川純; 木名瀬健; 足立光司; 財前祐二; 濱賢三; 二宮和彦; 篠原厚; 佐藤志彦; 五十嵐康人
第21回「環境放射能」研究会, Mar. 2020
20200312, 20200313 - 大気エアロゾルと植物・菌類間での放射性セシウム移行可能性の研究
北和之; 加納瑞季; 二井矢航; 木村茉央; 古川純; 羽田野祐子; 五十嵐康人
2019年度放射能環境動態・影響評価ネットワーク共同研究拠点年次報告会, 11 Mar. 2020 - Measurement of emission flux of radioactive cesium to the atmosphere
Olivier MASSON; KITA Kazuyuki; Denis MARO; HARADA Koshi; HAYASHI Naho; MINAMI Kohtaro; HATANO Yuko; IGARASHI Yasuhito
2019年度放射能環境動態・影響評価ネットワーク共同研究拠点年次報告会, 11 Mar. 2020 - 筑波実験植物園におけるバイオエアロゾルとセシウム濃度の時系列データ解析
石塚正秀; 田中邦明; 宮本えりか; 羽田野祐子; 保坂健太郎; 北和之; 牧輝也; 五十嵐康人
2019年度放射能環境動態・影響評価ネットワーク共同研究拠点年次報告会, 11 Mar. 2020 - 2019年7月の筑波実験植物園におけるきのこ胞子の放出観測
石塚正秀; 五十嵐康人; 北和之; 保坂健太郎; 牧輝也; 田中邦明; 宮本えりか; 羽田野祐子
第13回大気バイオエアロゾルシンポジウム, 28 Feb. 2020
20200228, 20200229 - 森林からのバイオエアロゾル放出フラックス推定の試み
北 和之; 南 光太郎; 堅田元喜; 反町篤行; 原田晃司; 林 奈穂; 保坂健太郎; 牧輝弥; 石塚正秀; 渡辺幸一; 羽田野祐子; 五十嵐康人
第13回大気バイオエアロゾルシンポジウム, 28 Feb. 2020
20200228, 20200229 - バイオエアロゾルにおける微生物群の遺伝学的特徴
牧輝弥; 作田裕也; 河合慶; 藤田達之; 甲斐憲次; 北和之; 五十嵐康人; 保坂健太郎; 高見英人; 小林史尚; 黒崎泰典; 石塚正秀; 能田淳; 渡辺幸一; 洪天祥; 陳彬; 篠田雅人; 三星かおり; 西村隆; 岩坂泰信
第13回大気バイオエアロゾルシンポジウム, 28 Feb. 2020
20200228, 20200229 - 森林からのバイオエアロゾル放出フラックス推定とフィルタサンプリングされたバイオエアロゾル の蛍光測定の試み
北和之; 林菜穂; 南光太郎; 木村茉央; 佐々 木完斉; 堅田元喜; 五十嵐康人; 反町篤行; 牧輝弥; 保坂健太郎; 古川純; 羽田野祐子; 池田; 遼; 足立光司; 財前祐二; 川端康弘; 大河内博; 河村公隆; 石塚正秀; 斎藤保典
第12回大気バイオエアロゾルシンポジウム, 18 Feb. 2019
20200218, 20200219 - 森林内を浮遊するバイオエアロゾルの群集構造変化
牧輝弥; 北和之; 石塚正秀; 作田裕也; 保坂健太郎; 岩坂泰信; 五十嵐康人
第12回大気バイオエアロゾルシンポジウム, 18 Feb. 2019
20200218, 20200219 - 福島県内の里山地域における大気中Cs濃度の変遷
五十嵐 康人; 北 和之; 木名瀬 健; 林 奈穂; 南 光太郎; 木村 茉央; 反町 篤行; 大河内 博; 後藤 友里絵; 石塚 正秀; 牧 輝弥; 保坂 健太郎; 羽田野 祐子
第60回 大気環境学会年会, 18 Sep. 2019
20190918, 20190920 - 放射性セシウムの再飛散・再沈着モデリング
梶野 瑞王; 石塚 正秀; 五十嵐 康人; 北 和之; 財前 祐二; 木名瀨 健; 渡邊 明
第60回 大気環境学会年会, 18 Sep. 2019
20190918, 20190920 - 緩和渦集積法を用いたバイオエアロゾルフラックスの測定
反町篤行; 北和之; 南光太郎; 保坂健太郎; 堅田元喜; 五十嵐康人
第60回大気環境学会年会, 18 Sep. 2019
20190918, 20190920 - 多層陸面モデルを用いた真菌胞子の森林上空への乱流輸送過程の解析
南光太郎; 堅田元喜; 北和之; 反町篤行; 保坂健太郎
第60回大気環境学会年会, 18 Sep. 2019
20190918, 20190920 - 筑波実験植物園におけるバイオエアロゾルとセシウム濃度の時系列データ解析
石塚正秀; 五十嵐康人; 北和之; 保坂健太郎; 牧輝也; 田中邦明; 宮本えりか; 羽田野祐子
放射能環境動態・影響評価ネットワーク共同研究拠点ERNCキックオフミーティング, 08 Jul. 2019 - バイオエアロゾルによる放射性セシウム大気再飛散とそのフラックス推定の試み
北 和之; 林 奈穂; 南 光太郎; 木村 茉央; 五十嵐 康人; 足立 光司; 牧 輝弥; 反町 篤行; 石塚 正秀; 古川 純; 二宮 和彦; 篠原 厚; Masson Olivier
日本地球惑星科学連合2019年大会, 26 May 2019, [Invited]
20190526, 20190530 - Bioaerosol emission and its role in re-emission of radioactive cesium from forest in Fukushima
K. Kita; N. Hayashi; K. Minami; M. Kimura; Y. Igarashi; K. Adachi; T. Maki; M. Ishizuka; H. Okochi; J. Furukawa; K.Hosaka; K. Ninomiya and A.Shinohara
2018 joint 14th iCACGP Quadrennial Symposium/15th IGAC Science Conference（ 国際学会）, Sep. 2018, [Invited]
20180925, 20180929 - Bioaerosol emissions during the summer precipitation in Fukushima forest revealed by radiocesium observations
N. Hayashi; K. Kita; Y. Igarashi; K. Adachi; T. Maki; and T. Kimura
2018 joint 14th iCACGP Quadrennial Symposium/15th IGAC Science Conference（ 国際学会）, Sep. 2018, [Invited]
20180925, 20180929 - 緩和渦集積法を用いたバイオエアロゾル放出フラッ クスの測定システムの開発
反町篤行; 北和之; 五十嵐康人; 保坂健太郎; 南光太郎; 堅田元喜; 羽田野裕子; 池田遼
第59回大気環境学会年会, Sep. 2018
20180912, 20180914 - 降水時の森林からのバイオエアロゾル放出源変化
林奈穂; 北和之; 五十嵐康人; 牧輝也; 小坂橋基夫
第35回エアロゾル科学・技術研究討論会, Jul. 2018, 日本エアロゾル学会, [Invited]
20180731, 20180802 - 福島第一原発事故後の大気放射能に関する学会連携等による研究とその成果
北和之
日本地球惑星科学連合2018年大会, May 2018, 公益社団法人日本地球惑星科学連合, [Invited]
20180520, 20180524 - Increase of atmospheric concentration of radioactive cesium with bio-aerosols in a polluted area in Fukushima
K. Kita; N. Hayashi; K. Minami; M. Kimura; Y. Igarashi; K. Adachi; T. Maki; M. Ishizuka; H. Okochi; J. Furukawa; K. Hosaka; K. Ninomiya and A. Shinohara
日本地球惑星科学連合2018年大会, May 2018, 公益社団法人日本地球惑星科学連合, [Invited]
20180520, 20180524 - 福島県浪江町の里山における大気エアロゾル中放射性セシウム濃度に及ぼす山林火災の影響
吉岡颯,大河内博,張凱,勝見尚也,二宮和彦,北和之,五十嵐康人
日本地球惑星科学連合2018年大会, May 2018, 公益社団法人日本地球惑星科学連合, [Invited]
20180520, 20180524 - 2013年茨城県つくば市における大気Cs-137濃度変動とバイオエアロゾルによる寄与
林奈穂, 北和之,五十嵐康人,足立 光司,木村 徹
日本地球惑星科学連合2018年大会, May 2018, 公益社団法人日本地球惑星科学連合, [Invited]
20180520, 20180524 - シイタケ胞子の飛散機構の解明に向けた基礎的実験 -胞子の形状特性の観察
石塚正秀; 田中邦明; 五十嵐康人; 保坂健太郎; 北 和之
日本地球惑星科学連合2018年大会, May 2018, 公益社団法人日本地球惑星科学連合, [Invited]
20180520, 20180524 - シイタケ胞子の形状特性と胞子飛散に関する基礎的研究
田中邦明; 石塚正秀; 五十嵐康人; 保坂健太郎; 北和之
平成３０年度土木学会四国支部第２４回技術研究発表会, 19 May 2018, 公益社団法人 土木学会 四国支部, [Invited]
20180519 - Aerosol Emission from Forest by Precipitation: New Perspective for Atmosphere-Forest Interaction
Yasuhito Igarashi; Naho Hayashi; Kazuyuki Kita; Teruya Maki; Yasunori Saito; Hiroshi Okochi; Kentaro Hosaka; Kouichi; Shiraishi; Takayuki Tomida; Kouji Adachi; Yuji Zaizen; Masahide Ishizuka and Atsuyuki Sorimachi
第11回大気バイオエアロゾルシンポジウム, 20 Feb. 2018
20180220, 20180221 - 福島山間部におけるバイオエアロゾルの放射性セシ ウム飛散における役割の推定
北和之; 林奈穂; 南光太郎; 木村茉央; 五十嵐康人; 足立光司; 財前祐二; 牧輝弥; 保坂健太郎; 古川純; 大河内博; 石塚正秀; 反町篤行
第11回大気バイオエアロゾルシンポジウム, 20 Feb. 2018
20180220, 20180221 - き の こ 胞子の 飛散機構の 解明に 向け た 基礎的実験
石塚正秀; 田中邦明; 五十嵐康人; 保坂健太郎; 北和之
第11回大気バイオエアロゾルシンポジウム, 20 Feb. 2018
20180220, 20180221 - Atmospheric re-suspension mechanism of radio-cesium - possibility of circulation between atmosphere and biosphere
K. Kita; N. Hayashi; K. Minami; Y. Igarashi; K. Adachi; T. Maki; M. Ishiduka; H. Ohkochi; J. Furukawa; K. Ninomiya and A.Shinohara
2nd International Symposium of Quantum Beam Science at Ibaraki University, Dec. 2017, 茨城大学大学院理工学研究科量子線科学専攻
20171208, 20171210 - Bioaerosols sampled in Fukushima mountainous region and contribution to the radio-cesium resuspension
K. Kita; N. Hayashi; K. Minami; M. Kimura; Y. Igarashi; K. Adachi; T. Maki; M. Ishiduka H. Ohkochi; J. Furukawa; K.; Ninomiya; and A. Shinohara
2017 Symposium on atmospheric chemistry and physics at mountain sites (ACPM2017)（ 国際学会）, Nov. 2017, NPO法人富士山測候所を活用する会
20171107, 20171110 - Temperate forest as big bioaerosol sources?: Implication from atmospheric Fukushima radiocesium studies
Y. Igarashi; K. Kita; T. Maki; T. Kinase; N. Hayashi; K. Adachi; C. Takenaka; M. Kajino; M. Ishizuka; T. T. Sekiyama; Y.; Zaizen; K. Ninomiya; H. Okochi and A. Sorimachi
2017 Symposium on atmospheric chemistry and physics at mountain sites (ACPM2017)（ 国際学会）, Nov. 2017, NPO法人富士山測候所を活用する会
20171107, 20171110 - 福島森林域でのバイオエアロゾルの観察-放射性セ シウムの大気再飛散担体の可能性
林 奈穂; 北 和之; 五十嵐 康人; 足立 光司; 木村 徹; 牧 輝弥; 二宮 和彦; 篠原 厚; 豊田 栄; 石塚 正秀
第34回エアロゾル科学・技術研究討論会, Aug. 2017, 日本エアロゾル学会, [Invited]
20170803, 20170804 - 日本地球惑星科学連合― 放射化学会連携による 福島第一原子力発電所近傍における事故5年後の 土壌中放射性物質の調査概要
北 和之ほ か 41名
日本地球惑星科学連合-アメリカ地球物理学連合 ジョイントミーティング2017（国際学会）, May 2017, 公益社団法人日本地球惑星科学連合，米国地球物理学連合
20170520, 20170525 - 夏季-秋季における放射性セシウム大気再飛散のメ カニズム
西岡 拓哉; 北 和之; 林 奈穂; 佐藤 武尊; 五十嵐 康人; 足立 光司; 財前 祐二; 豊田 栄; 山田 桂大; 吉田 尚弘; 牧 輝弥; 石塚 正; 秀; 二宮 和彦
日本地球惑星科学連合-アメリカ地球物理学連合 ジョイントミーティング2017（国際学会）, May 2017, 公益社団法人日本地球惑星科学連合，米国地球物理学連合
20170520, 20170525 - Tropospheric ozone-enhanced layers observed over the equatorial Pacific Ocean and the contribution of transport of midlatitude UT/LS air
Kazuyuki Kita; Hitomi Hayashi and S. Taguchi
American Geophysical Union 2007 Fall Meeting, 12 Dec. 2007, American Geophysical Union
Affiliated academic society
Research Themes
- 森林バイオエアロゾル放出動態解明と福島事故による放射性セシウム飛散の定量的推定
Grant-in-Aid for Scientific Research (B)
Ibaraki University
Apr. 2020 - Mar. 2023 - Bioaerosols transported from forest area and their impacts on climate changes
Grant-in-Aid for Scientific Research (B)
Apr. 2018 - Mar. 2021 - Investigation of atmospheric resuspension of radiocesium released by Fukushima Dai'ichi Nuclear Power Plant accident and its circulation between atmosphere and vegetation
Grant-in-Aid for Scientific Research (B)
Ibaraki University
Apr. 2017 - Mar. 2020 - Study on the process of CCN production by regarding Kanto plains as a huge chamber
Grant-in-Aid for Scientific Research (B)
Japan, Meteorological Research Institute
Apr. 2015 - Mar. 2020 - Interdisciplinary Study on Environmental Transfer of Radionuclides from the Fukushima Daiichi NPP Accident
新学術領域研究(研究領域提案型)
University of Tsukuba
Jun. 2012 - Mar. 2017 - Understanding of the atmospheric deposition, diffusion processes and land atmospheric interaction of radioactive materials
新学術領域研究(研究領域提案型)
Japan, Meteorological Research Institute
Jun. 2012 - Mar. 2017 - Integrated studies of aerosol-cloud-precipitation system in Asia based on measurement and model calculations
基盤研究(S)
The University of Tokyo
Apr. 2011 - Mar. 2015 - Development of remote sensing technique for lower tropospheric ozone by simultaneous measurement of UV and visible solar scattered light spectra
基盤研究(B)
Ibaraki University
2010 - 2012 - Behaviors and Direct Radiative Effects of Anthropogenic Carbonaceous Aerosols in East Asia
基盤研究(A)
The University of Tokyo
2008 - 2010 - Measurement of optical properties of black carbon aerosols with the photoacoustic technique
Grant-in-Aid for Scientific Research (B)
Ibaraki University
2006 - 2009 - Studies on Size Distribution and Mixing State of Black Carbon Aerosols in China
基盤研究(B)
The University of Tokyo
2006 - 2007 - Measurements of volatile organic compounds in urban air using proton-transfer-reaction mass spectrometer
基盤研究(B)
The University of Tokyo
2003 - 2005 - Studies on strategic control of photochemical oxidants in mega-cities
基盤研究(A)
The University of Tokyo
2002 - 2004 - Development of calibration instrument for precise stratospheric and tropospheric ozone measurement
基盤研究(C)
THE UNIVERSITY OF TOKYO
1999 - 2000 - Climatology of Indonesian Maritime Continent
Grant-in-Aid for international Scientific Research
KYOTO UNIVERSITY
1996 - 1997 - Observation of the nighttime variation of nitrogen oxides concentration in the stratosphere
基盤研究(C)
The University of Tokyo
1996 - 1997 - Data logging system on Internet for long term and reliable recording of magnetic disturbances in the polar region
基盤研究(A)
The University of Tokyo
1995 - 1997 - Polar Network Observation : Auroral & Magnetic Field Dynamics thermosphere
国際学術研究
University of Tokyo
1993 - 1995 - Study on the regional distribution of tropospheric methane using a rapidly and continuously measuring instrument
一般研究(A)
University of Tokyo
1990 - 1991
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