ID | 44792 |
JaLCDOI | |
Sort Key | 5
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タイトル(別表記) | Improvement of complementary relationship-based evapotranspiration model
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フルテキストURL | |
著者 |
中道 丈史
岡山大学大学院環境学研究科
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抄録 | Advection-Aridity(AA) model can calculate actual evapotranspiration by using only meteorological data. However, comparing the model with Penman equation showed that AA model doesn’t properly evaluate evapotranspiration from urban moisture area. In urban area, Actual evaporation from water calculated by AA model(E) are much less than that by Penman equation(Epo). Multiple regression analysis using estimation results indicates that the difference between the models is due to the difference of the sensitivity to vapor pressure deficit between the models. To improve this problem, modification coefficient k, defined as k=a・albedo+b, is suggested. Regression coefficients a, b are determined as satisfying k=Epo/E for water and k=1 for urban surface. By using this coefficient k, evaporation from water is nearly equal to value estimated by Penman equation, while evaporation from urban surface is changeless.
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キーワード | Complementary relationship
Actual evapotranspiration
Potential evapotranspiration
Water budget
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備考 | 研究論文 環境管理工学科
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出版物タイトル |
岡山大学環境理工学部研究報告
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発行日 | 2011-03-18
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巻 | 16巻
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号 | 1号
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出版者 | 岡山大学環境理工学部
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出版者(別表記) | Faculty of Environmental Science and Technology, Okayama University
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開始ページ | 35
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終了ページ | 39
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ISSN | 2185-3347
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NCID | AN10529213
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資料タイプ |
紀要論文
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OAI-PMH Set |
岡山大学
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言語 |
日本語
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論文のバージョン | publisher
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NAID | |
Eprints Journal Name | fest
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