Abstract
In this paper, we investigated the potential of Advanced Microwave Scanning Radiometer for Earth Observation System (AMSR-E) for flood monitoring. The proposed approach was based on the polarized ratio index (PRI), which was computed by using AMSR-E data at 37GHz, vertically and horizontally polarized brightness temperature values and the water surface fraction (WSF) got by using the PRI at 37GHz. Moderate Resolution Imaging Spectrora-diometer (MODIS) data were used to validate the WSF values. The analysis of flood and waterlogging using the WSF map on July 6, 2003 indicates that the use of WSF for flood and waterlogging disaster assessment is feasible. Utilizing the correlation of WSF derived from AMSR-E and water area derived from MODIS, the water area of the Huaihe River Basin were computed by only using AMSR-E data in the summer of 2003, which overcame the influence of cloud on water estimation using MODIS data during flood.
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Foundation item: Under the auspices of the Foundation of the Ministry of Science and Technology (No. 2003DKA1T007, No. 2005DFA20010)
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Zheng, W., Liu, C., Xin, Z. et al. Flood and waterlogging monitoring over Huaihe River Basin by AMSR-E data analysis. Chin. Geogr. Sci. 18, 262–267 (2008). https://doi.org/10.1007/s11769-008-0262-7
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DOI: https://doi.org/10.1007/s11769-008-0262-7