Drought detection and declaration in India
نویسندگان
چکیده
Drought is a complex, multifaceted, and one of the most widespread natural disasters causing an economic loss billions dollars. declaration crucial since it signifies beginning states's response to drought. India's current drought management policy specified in Manual for Management 2016. While manual provides comprehensive guidelines states regional Monitoring Centres (DMC's) monitoring droughts, assessing detection framework its suitability different regions has been lacking. Using gridded products precipitation, soil moisture, remote sensing indicators, we examine differences between detected declared droughts all districts India during 2000–2017 period. Comparison show higher probability (POD) central India. In contrast, lower POD was found high susceptibility like Rajasthan, Andhra Pradesh Karnataka. Large were identified irrigated Punjab Gangetic Plain. The use Solar-induced chlorophyll Fluorescence (SIF) instead Normalized Difference Vegetation Index (NDVI) as indicator improved (based on false alarm ratio, FAR) western parts detects major that affected large part country. However, Gujarat, Karnataka are frequently missed. Finally, highlight limitations existing opportunities enhancement.
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ژورنال
عنوان ژورنال: Water Security
سال: 2021
ISSN: ['2468-3124']
DOI: https://doi.org/10.1016/j.wasec.2021.100104