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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40344

Title: Monitoring of sandstorms with ROCSAT-1 OCI data
Authors: Chih-Kang Liang
Shih-Jen Huang
Gin-Rong Liu
Tsung-Hua Kuo
Tang-Huang Lin
Contributors: 國立臺灣海洋大學:海洋環境資訊學系
Keywords: aerosol optical depth
Ocean Color Imager
Date: 2002
Issue Date: 2017-01-17T07:44:38Z
Publisher: Journal of Marine Science and Technology
Abstract: Abstract: The Ocean Color Imager (OCI) onboard the ROCSAT-1 Satellite was employed to demonstrate its capability in monitoring sandstorm events around Mongolia and northwestern China where they have been occurring in great frequency over these past few years. The OCI measures the radiance from the visible to near infrared regions in six spectral channels. The radiance can be used to calculate the aerosol optical depth (AOD) of the atmosphere through an atmospheric correction algorithm. The variation in the AOD during January and February of 2001 is investigated in this study. A set of OCI images covering the Yellow Sea was selected for analysis. The results showed that the AOD values increased significantly after the sand-storms erupted, where its value was almost four times higher than before.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/40344
Appears in Collections:[海洋環境資訊系] 期刊論文

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