Estimation of anomalies and temporal temperature and precipitation trends in the Cryospheric Himalayan Highland Region (CHHR), Uttarkashi, Uttarakhand, India

The present study attempts to explore the variations and linkages between precipitation and temperature and its impact on the Cryosphere Himalayan Highland Region (CHHR) and the dynamics of the cryosphere. The precipitation and Temperature data between the years 1981 and 2019 have been collected and trend analysis is performed using the Mann-Kendell trend test (alpha <= 0.05; alpha <= 0.10) and Sen's slope. The Precipitation Anomaly Index (PAI) was computed to understand the temporal patterns and variations of precipitation and there existed a trend in the precipitation over 39 years. Monthly, seasonal and annual temperature anomalies were also calculated and it was observed that there was a distinct pattern of cooling and warming cycles. Seasonal and annual mean temperature and precipitation were calculated using linear regression and it was found that R-2 is robust for MAM and JJA seasons. The NDSI and LST were computed for which values show that the melting of snow has been accelerating over the years. This study is useful for developing appropriate strategies to mitigate the adverse impact of climate change in the mid-Himalayan region.