Technology Application |
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THE MAPPING OF FLOOD REMOTE SENSING IMAGE BASED ON MODIS IN POYANG LAKE REGION |
DING Li-dong 1,2, YU Wen-hua 2,3, QIN Zhi-hao 1,4, WU Hao 5 |
1.International Institute for Earth System Sciences, Nanjing University, Nanjing 210093, China; 2. Nanjing Engineering Vocation School, Nanjing 211135, China; 3. Law Department of Hehai University, Nanjing 210098, China; 4.Key Laboratory of Resources Remote Sensing and Digital Agriculture, Ministry of Agriculture, Beijing 100081, China; 5.Wujin Municipal Administration of Land and Resources, Wujin 213161, China |
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Abstract A new method is proposed in this paper for the mapping of the water image, the flood dynamic image and the flood hazard image using the 250m, 2-band MODIS data. Its application in the Poyang lake area indicates that the method can preserve the image spatial resolution and help us to quickly recognize the water and flood. This method provides a rapid, simple and easy approach to the dynamic monitoring and mapping of flood hazard.
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Keywords
Jingjiu railway
Soil erosion
Gannan
Remote sensing
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Issue Date: 19 July 2009
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