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Assessment of Spatial Variations in Temperature and Precipitation Extremes in West-Flowing River Basin of Kutch, Saurashtra and Marwar, India


Affiliations
1 Regional Remote Sensing Centre-West, National Remote Sensing Centre, Indian Space Research Organisation (ISRO), Jodhpur 342 003, India
2 Birla Institute of Technology, Jaipur 302 001, India
3 National Remote Sensing Centre, Indian Space Research Organisation (ISRO), Jodhpur 342 003, India
 

Climate extreme event indicates the manifestation of higher or lower values (with respect to a threshold value) by a climatic variable. The goal of this study is to analyse the spatial variation in 27 indices of temperature and precipitation extremes in the west-flowing river basin of Kutch, Saurashtra and Marwar (WFR-KSM basin). Climate extreme indices were calculated using RClimDex software on 50 years of daily precipitation gridded data and 36 years of daily maximum and minimum temperature data. Theil–Sen slope was calculated as the estimator of trend in 16 extreme indices of temperature and 11 extreme indices of precipitation throughout the basin. The results indicate increase towards wetter climate extremes and a shift towards hotter climate extremes.

Keywords

Climate, Precipitation, River Basin, Spatial Variations, Temperature.
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  • Assessment of Spatial Variations in Temperature and Precipitation Extremes in West-Flowing River Basin of Kutch, Saurashtra and Marwar, India

Abstract Views: 332  |  PDF Views: 112

Authors

Ila Agnihotri
Regional Remote Sensing Centre-West, National Remote Sensing Centre, Indian Space Research Organisation (ISRO), Jodhpur 342 003, India
M. P. Punia
Birla Institute of Technology, Jaipur 302 001, India
J. R. Sharma
National Remote Sensing Centre, Indian Space Research Organisation (ISRO), Jodhpur 342 003, India

Abstract


Climate extreme event indicates the manifestation of higher or lower values (with respect to a threshold value) by a climatic variable. The goal of this study is to analyse the spatial variation in 27 indices of temperature and precipitation extremes in the west-flowing river basin of Kutch, Saurashtra and Marwar (WFR-KSM basin). Climate extreme indices were calculated using RClimDex software on 50 years of daily precipitation gridded data and 36 years of daily maximum and minimum temperature data. Theil–Sen slope was calculated as the estimator of trend in 16 extreme indices of temperature and 11 extreme indices of precipitation throughout the basin. The results indicate increase towards wetter climate extremes and a shift towards hotter climate extremes.

Keywords


Climate, Precipitation, River Basin, Spatial Variations, Temperature.

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DOI: https://doi.org/10.18520/cs%2Fv114%2Fi02%2F322-328