Journal of Remote Sensing Technology
Journal of Remote Sensing Technology(JRST)
Frequency: Annually
Standardized Precipitation Index Based Approach for Development of Regional Drought Monitoring System
Daily rainfall data of India in the resolution of 0.1° x 0.1° were obtained from National Oceanic and Atmospheric Administration (NOAA) website for the period of study (2002-2007) and geo-referenced for further analysis. Using Remote Sensing and GIS techniques, 2190 daily rainfall images were generated based on the NOAA rainfall data. Then, images of daily rainfall were transformed into ten-day images and from these images, 1°x1° area has been cut out by preparing a layer representing ten agro-climatic regions of India as base mapping units (BMU). Standard Precipitation Index (SPI) was generated and scenario of drought development has been analyzed using decadal time data set for the study period (2002-2007). The present study suggests methods and techniques for continuous drought monitoring by linking historical remote sensing rainfall data of NOAA satellite. The methodology will be very useful for the development of a regional drought monitoring system.
Keywords:Initials in Capitals; Droughts; SPI; Drought indices; Drought severity; Remote Sensing
Author: Kishan Singh Rawat,Vinod Kumar Tripathi


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