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  1. 139 大気海洋研究所
  2. 10 気候システム研究系
  3. 1391010 学術雑誌
  1. 0 資料タイプ別
  2. 10 学術雑誌論文
  3. 014 自然科学

Global three-dimensional simulation of aerosol optical thickness distribution of various origins

http://hdl.handle.net/2261/51881
http://hdl.handle.net/2261/51881
ced1c7ee-a421-4ddd-a5d2-31bdca9f1e80
名前 / ファイル ライセンス アクション
Nakajima2000JGRA_H24P64.pdf Nakajima2000JGRA_H24P64.pdf (3.1 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-01-10
タイトル
タイトル Global three-dimensional simulation of aerosol optical thickness distribution of various origins
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Takemura, Toshihiko

× Takemura, Toshihiko

WEKO 3435

Takemura, Toshihiko

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Okamoto, Hajime

× Okamoto, Hajime

WEKO 3436

Okamoto, Hajime

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Maruyama, Yoshihiro

× Maruyama, Yoshihiro

WEKO 3437

Maruyama, Yoshihiro

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Numaguti, Atusi

× Numaguti, Atusi

WEKO 3438

Numaguti, Atusi

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Higurashi, Akiko

× Higurashi, Akiko

WEKO 3439

Higurashi, Akiko

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Nakajima, Teruyuki

× Nakajima, Teruyuki

WEKO 3440

Nakajima, Teruyuki

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著者所属
著者所属 Center for Climate System Research, University of Tokyo
著者所属
著者所属 Kashima Space Research Center, Communications Research Laboratory
著者所属
著者所属 Graduate School of Environmental Earth Science, Hokkaido University
著者所属
著者所属 National Institute for Environmental Studies
抄録
内容記述タイプ Abstract
内容記述 A global three-dimensional model that can treat transportation of various species of aerosols in the atmosphere is developed using a framework of an atmospheric general circulation model (AGCM). Main aerosols in the troposphere, i.e., soil dust, carbonaceous (organic and black carbon), sulfate, and sea-salt aerosols, are introduced into this model. Prior to the model calculations the meteorological parameters are calculated by the AGCM with the nudging technique using reanalysis data. To evaluate aerosol effects on the climate system and to compare simulated results with observations, the optical thickness and Ångström exponent are also calculated taking into account the size distribution and composition. The model results are validated by both measured surface aerosol concentrations and retrieved aerosol optical parameters from National Oceanic and Atmospheric Administration/Advanced Very High Resolution Radiometer. A general agreement is found between the simulated result and the observation globally and seasonally. One of the significant results is that the simulated relative contribution of anthropogenic carbonaceous aerosols to the total optical thickness is comparable to that of sulfate aerosols at midlatitudes of the Northern Hemisphere, which agrees with recent observations. This result leads to a conclusion that the radiative effect evaluation of aerosols on the climate system is necessary to be modified because optical properties of carbonaceous aerosols are different from those of sulfate aerosols. The other finding is that the seasonal shift off the west coast of North Africa observed by satellites, i.e., the latitude of the maximum optical thickness moves seasonally, is also reproduced in consideration of a mixed state of soil dust and carbonaceous aerosols.
書誌情報 Journal of geophysical research. D

巻 105, 号 D14, p. 17853-17873, 発行日 2000-07-27
ISSN
収録物識別子タイプ ISSN
収録物識別子 01480227
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA10819765
DOI
識別子タイプ DOI
関連識別子 info:doi/10.1029/2000JD900265
権利
権利情報 Copyright 2000 by the American Geophysical Union.
日本十進分類法
主題Scheme NDC
主題 451
出版者
出版者 American Geophysical Union
異版である
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://doi.org/10.1029/2000JD900265
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