Cloud amounts and radiative fluxes calculated from the JMA atmospheric model

Material type: 文書・図像類

Author: Chan, Wing-Leほか

Publisher: 千葉大学環境リモートセンシング研究センター

Publication date: 1998

Material Format: Digital

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NDC: 451.2

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Note (General)：: type:text研究概要:The Japan Meteorological Agency global atmospheric model (version JMA-GSM9603) was run for a 45-month period. Cloud amounts and radiativ...

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Material Type: 文書・図像類
Title: Cloud amounts and radiative fluxes calculated from the JMA atmospheric model
Author/Editor: Chan, Wing-Le
Sugi, Masato
Author Heading: Chan, Wing-Le
Sugi, Masato
Publication, Distribution, etc.: 千葉大学環境リモートセンシング研究センター
Publication Date: 1998
Publication Date (W3CDTF): 1998
Periodical title: プロシーディング「雲のリモートセンシングと気候影響に関するシンポジウム」
Pages: 130-135
Text Language Code: eng
NDC: 451.2
Target Audience: 一般
Note (General): type:text
研究概要:The Japan Meteorological Agency global atmospheric model (version JMA-GSM9603) was run for a 45-month period. Cloud amounts and radiative fluxes obtained for this particular run are examined and compared with observational and other data. It is found that the amount of shortwave radiation reaching the surface is generally much lower than that from satellite-derived data, especially in the low latitudes of the Pacific region. This is in contrast to clear-sky conditions where the model and observational downward shortwave radiative fluxes agree well over much of the oceans. In this case, large differences are confined to parts of the continents, suggesting that some land-related factors need to be considered carefully, in addition to cloud estimation. Cloud cover, which is diagnosed from relative humidity, is calculated by a mixture of both maximum and random overlapping. The exact dependency of the cloud amounts on the relative humidity is varied and several runs are performed until there is a suitable match between the cloud amounts from the model and from ISCCP data. Resulting radiative fluxes are then compared again.
Format (IMT): application/pdf
Source: https://opac.ll.chiba-u.jp/da/curator/900022189/C-17_23.pdf
https://opac.ll.chiba-u.jp/da/curator/900022189/C-17_23.pdf
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 千葉大学 : 千葉大学学術成果リポジトリ