Validation of Photosynthetically Available Radiation Estimated from Satellite Data for Primary Productivity Model

Material type: 文書・図像類

Author: ASANUMA, Ichio

Publisher: Chiba University. Center for Environmental Remote Sensing

Publication date: 2001-02-21

Material Format: Digital

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NDC: 450

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Note (General)：: type:text[ABSTRACT] A vertically resolved primary productivity model was proposed for a satellite remote sensing using a ocean color sensor and an inf...

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Material Type: 文書・図像類
Title: Validation of Photosynthetically Available Radiation Estimated from Satellite Data for Primary Productivity Model
Author/Editor: ASANUMA, Ichio
Author Heading: ASANUMA, Ichio
Publication, Distribution, etc.: Chiba University. Center for Environmental Remote Sensing
Publication Date: 2001-02-21
Publication Date (W3CDTF): 2001-02-21
Periodical title: Proceedings of the CEReS international symposium = CEReS国際シンポジウム資料集
No. or year of volume/issue: 7
Volume: 7
Pages: 62-67
Text Language Code: eng
NDC: 450
Target Audience: 一般
Note (General): type:text
[ABSTRACT] A vertically resolved primary productivity model was proposed for a satellite remote sensing using a ocean color sensor and an infrared thermal sensor. A photosynthetically available radiation (PAR) was estimated from a satellite data and a radiative transfer model. A basic function for the PAR is given as a function of cloud distribution from satellite observations. A weekly composite of chlorophyll-a distribution by SeaWiFS was used to estimate a cloud distribution. The radiative transfer model, MODTRAN 4.3, was operated to compute the solar irradiation on the sea surface under the ideal atmospheric condition for 24 hours and for each month. A vertical distribution of PAR along the water column is given by an empirical equation as a function of chlorophyll-a concentration in the surface. A vertical distribution of chlorophyll-a concentration is given by an empirical equation as a function of chlorophyll-a and PAR in percentage. Then a primary productivity is computed based on the chlorophyll-a and sea surface temperature distribution with the PAR and related parameter along the water column. The current model indicated a good agreement with in-situ measurements.
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）
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Original Data Provider (Database): 千葉大学 : 千葉大学学術成果リポジトリ