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http://dx.doi.org/10.7780/kjrs.2017.33.5.1.13

Comparison of Aerosol Optical Thicknesses by MODIS and MI in Northeast Asia  

Kim, Eun-kyu (Atmospheric and Environmental Sciences, Gangneung-Wonju National University)
Lee, Kyu-Tae (Atmospheric and Environmental Sciences, Gangneung-Wonju National University)
Jung, Myeong-Jae (Atmospheric and Environmental Sciences, Gangneung-Wonju National University)
Publication Information
Korean Journal of Remote Sensing / v.33, no.5_1, 2017 , pp. 607-615 More about this Journal
Abstract
The aerosol optical thickness data retrieved by Moderate Resolution Imaging Spectrometer (MODIS) of Terra & Aqua and Meteorological Imager (MI) of Communication Ocean and Meteorological Satellite (COMS) are analyzed and compared with the measurement data of Aerosol Robotic Network (AERONET) in Northeast Asia. As the result, the aerosol optical thickness retrieved by MODIS and MI were well agreed at ocean region but quite different at cloud edge and barren surface. The reason was that MODIS aerosol optical thickness was retrieved using the visible and infrared channels but MI was retrieved with the visible channel only. Consequentially, the thin cloud be misinterpreted as aerosol by MI and the difference between MODIS and MI aerosol optical thicknesses could be occurred with Normal Distribution Vegetation Index (NDVI) and land surface property. Therefore, the accuracies of clear/cloud region and surface reflectivity are required in order to improve the aerosol optical thickness algorithm by MI.
Keywords
Aerosol; MODIS; MI; COMS; AERONET;
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Times Cited By KSCI : 2  (Citation Analysis)
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