Flood is one of the major recurrent natural disasters faced by the state of B ihar in north I ndia. In the present study the authors assess the severity of flood hazard in B ihar, using 128 decadal historical satellite datasets acquired during different flood magnitudes during 1998 to 2010. The satellite‐based observations have been analysed in conjunction with the hydrological data, for assessing the frequency of inundation, severity of flood hazard and cropped land under flood hazard. This study assesses the spatial distribution of flooding and creation of systematic flood hazard database, which can be analysed from a spatial dimension in GIS . It is observed that about 24.56 lakh ha of the state's area and about 15.85 lakh ha of the cropped area are vulnerable to flood hazard. N orth B ihar is more vulnerable to flooding; 8 of the 10 areas identified as worst flood‐affected districts lie in this region.
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Manjusree et al. (2015) studied this question.
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