An improved approach for rainfall estimation over Indian summer monsoon region using Kalpana-1 data |
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| Authors: | C Mahesh Satya Prakash V SathiyamoorthyRM Gairola |
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| Institution: | Atmospheric and Oceanic Sciences Group, EPSA, Space Applications Centre, Indian Space Research Organisation, Ahmedabad 380 015, India |
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| Abstract: | In this paper, an improved Kalpana-1 infrared (IR) based rainfall estimation algorithm, specific to Indian summer monsoon region is presented. This algorithm comprises of two parts: (i) development of Kalpana-1 IR based rainfall estimation algorithm with improvement for orographic warm rain underestimation generally suffered by IR based rainfall estimation methods and (ii) cooling index to take care of the growth and decay of clouds and thereby improving the precipitation estimation. |
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| Keywords: | Infrared Rainfall estimation Orography Cooling index Elliptical weighting function |
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