2015 Fiscal Year Final Research Report
Estimation of PM2.5 distribution over mega city based on satellite measurements
Project/Area Number |
25340019
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Environmental dynamic analysis
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Research Institution | Kinki University |
Principal Investigator |
SANO Itaru 近畿大学, 理工学部, 教授 (10247950)
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Co-Investigator(Renkei-kenkyūsha) |
MUKAI Sonoyo 京都情報大学院大学, 教授 (00097411)
NAKATA Makiko 近畿大学, 総合社会学部, 准教授 (80525791)
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Project Period (FY) |
2013-04-01 – 2016-03-31
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Keywords | PM2.5 / Aerosol / DRAGON |
Outline of Final Research Achievements |
This work intends to develop a procedure to estimate PM2.5 concentration over mega city in Japan. The procedure is composed of two parts as: 1. Aerosol retrieval from satellite reflectance measurements. 2. Conversion into PM2.5 concentration from retrieved aerosol optical thickness (AOT). The comparison of retrieved AOT from GOSAT/CAI with NASA/AERONET AOT measurements is performed in Osaka region. As results, a root mean square error value of AOT (RMSE-AOT) is around 0.09 in all retrieved wavelengths and the RMSE-AOT at a wavelength of 670 nm over Osaka region is around 0.07. Finally, satellite retrieved PM2.5 concentration also coincides with in situ PM2.5 measurements, RMSE-PM2.5 is around 6 ug/m3.
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Free Research Field |
環境動態解析
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