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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

Aerosol radiative forcing over east Asia determined from ground‐based solar radiation measurements

http://hdl.handle.net/2261/37057
http://hdl.handle.net/2261/37057
6f6ca6b8-89a7-4c1f-818b-2f72fe57c4aa
名前 / ファイル ライセンス アクション
2005_aerosol.pdf 2005_aerosol.pdf (606.7 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-01-16
タイトル
タイトル Aerosol radiative forcing over east Asia determined from ground‐based solar radiation measurements
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 Kim, Do‐Hyeong

× Kim, Do‐Hyeong

WEKO 3807

Kim, Do‐Hyeong

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Sohn, B.-J.

× Sohn, B.-J.

WEKO 3808

Sohn, B.-J.

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Nakajima, Teruyuki

× Nakajima, Teruyuki

WEKO 3809

Nakajima, Teruyuki

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Takamura, Tamio

× Takamura, Tamio

WEKO 3810

Takamura, Tamio

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著者所属
著者所属 School of Earth and Environmental Sciences, Seoul National University
著者所属
著者所属 Center for Climate System Research, University of Tokyo
著者所属
著者所属 Center for Environmental Remote Sensing, Chiba University
抄録
内容記述タイプ Abstract
内容記述 We developed a method of retrieving aerosol optical properties and their associated radiative forcing from simultaneously measured sky radiation and surface solar flux data. The method is then applied to data sets collected at Mandalgovi, Dunhuang, Yinchuan, and Sri‐Samrong sites of the Skyradiometer Network (SKYNET), and at Anmyon, Gosan, and Amami‐Oshima, to examine the aerosol characteristics of east Asia. From the analysis for the SKYNET sites it was found that aerosols in east Asia have smaller single scattering albedos (i.e., 0.89 for Asian dusts in Dunhuang, 0.9 for urban type aerosols in Yinchuan, and 0.88 for biomass burning aerosols in Sri‐Samrong), compared to the single scattering albedo for the same type of aerosols found in other areas. Lower single scattering albedo suggests that the aerosols over east Asia absorb comparatively more solar radiation. The measurements taken during April at the latter three sites over the Korean peninsula and the East China Sea showed that the single scattering albedo of Asian dust becomes smaller during the course of its movement from the source region to east Asian seawaters (i.e., 0.86 at Anmyon, 0.84 at Gosan, and 0.80 in Amami‐Oshima), compared with 0.89 found in the source region (i.e., Dunhuang). These findings strongly suggest that Asian dusts become blackened during the movement because of mixing with soot particles produced over the industrial/urban area of China. The overall atmospheric forcing efficiency (radiation flux per unit aerosol optical thickness at 0.5 μm) of Asian dusts ranges from 65 to 94 W m−2 near the east Asian seaboard area, indicating that atmospheric heating by Asian dusts can be significantly enhanced by the mixing with soot particles.
書誌情報 Journal of geophysical research. D

巻 110, p. D10S22, 発行日 2005-03-18
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/10.1029/2004JD004678
権利
権利情報 Copyright 2005 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
関係URI
識別子タイプ URI
関連識別子 http://www.agu.org/journals/jd/
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