Clarification of the characteristics of aerosol particles in tropical upper troposphere
Project/Area Number |
22241004
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Research Category |
Grant-in-Aid for Scientific Research (A)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Environmental dynamic analysis
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Research Institution | Nagoya University |
Principal Investigator |
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Co-Investigator(Kenkyū-buntansha) |
HASEBE Fumio 北海道大学, 地球環境学研究科, 教授 (00261735)
IWASAKI Suginori 防衛大学校, 応用科学群, 講師 (30535274)
HAYASHI Masahiko 福岡大学, 理学部, 教授 (50228590)
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Project Period (FY) |
2010 – 2012
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Project Status |
Completed (Fiscal Year 2012)
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Budget Amount *help |
¥48,490,000 (Direct Cost: ¥37,300,000、Indirect Cost: ¥11,190,000)
Fiscal Year 2012: ¥11,440,000 (Direct Cost: ¥8,800,000、Indirect Cost: ¥2,640,000)
Fiscal Year 2011: ¥13,780,000 (Direct Cost: ¥10,600,000、Indirect Cost: ¥3,180,000)
Fiscal Year 2010: ¥23,270,000 (Direct Cost: ¥17,900,000、Indirect Cost: ¥5,370,000)
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Keywords | 熱帯圏界面 / エアロゾル / 巻雲 / 氷晶核 / 脱水 / ライダー / OPC / 露点湿度計 / 熱帯圏界面層 / CFH / FLASH / インドネシア |
Research Abstract |
In this study, we obtained the vertical distributions of size distribution and temperature dependence of volatility of aerosols, backscatteringcoefficients of aerosols and cirrus clouds, and humidity, using balloon borne optical particle counter, ground based lidar, and cryogenic frost point hygrometer, respectively, in tropical tropopause layer over Biak, Indonesia. We clarified the mechanism how the high super saturation of the humidity over ice is formed by using microphysical numerical model applying the observed parameters.
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Report
(4 results)
Research Products
(32 results)
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[Journal Article] Cirrus cloud appearance in a volcanic aerosol layer around the tropical cold point tropopause over Biak, Indonesia, in January 20112012
Author(s)
Shibata, T., M. Hayashi, A. Naganuma, N.Hara, K. Hara, F. Hasebe, K. Shimizu, N.Komala, Y. Inai, H. Vomel, S. Hamdi, S.Iwasaki, M. Fujiwara, M. Shiotani, S.-Y.Ogino, and N. Nishi
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Journal Title
J.Geophys. Res.
Volume: 117
Issue: D11
DOI
Related Report
Peer Reviewed
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[Journal Article] Cold trap dehydration in the Tropical Tropopause Layer characterized by SOWER chilled-mirror hygrometer network data in the Tropical Pacific2012
Author(s)
F. Hasebe, Y. Inai, M. Shiotani, M. Fujiwara, H. Vomel, N. Nishi, S.-Y. Ogino, T. Shibata, S. Iwasaki, N. Komala, T. Peter, and S. J. Oltmans
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Journal Title
Atmos. Chem. Phys. Discuss.
Volume: 12
Pages: 25833-25885
Related Report
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[Journal Article] Cold trap dehydration in the Tropical Tropopause Layer characterized by SOWER chilled-mirror hygrometer network data in the Tropical Pacific2012
Author(s)
Hasebe, F., Y. Inai, M. Shiotani, M. Fujiwara, H. Voemel, N. Nishi, S.-Y. Ogino, T. Shibata, S. Iwasaki, N. Komala, T. Peter, and S. J. Oltmans
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Journal Title
Atmos. Chem. Phys. Discuss.
Volume: 12
Pages: 25833-25885
DOI
Related Report
Peer Reviewed
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[Journal Article] Seasonal to decadal variations of water vapor in the tropical lower stratosphere observed with balloon-borne cryogenic frostpoint hygrometers2010
Author(s)
Fujiwara, M., H.Voemel, F.Hasebe, M.Shiotani, S.-Y.Ogino, S.Iwasaki, N.Nishi, T.Shibata, K.Shimizu, E.Nishimoto, J.M.Valverde-Canossa, H.B.Selkirk, S.J.Oltmans
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Journal Title
J.Geophys.Res
Volume: 115
Related Report
Peer Reviewed
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[Presentation] 下部成層圏の雲の性質2010
Author(s)
岩崎杉紀、石元裕史、柴田隆
Organizer
日本気象学会2010年度秋季大会
Place of Presentation
京都(京都テルサ)
Year and Date
2010-10-29
Related Report
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