Surface mass balance analysis at Naradu Glacier, Western Himalaya, India

Rajesh Kumar, Shruti Singh*, Atar Singh, Ramesh Kumar, Shaktiman Singh, Surjeet Singh Randhawa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
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Abstract

In the present study, we analyze a field-based seven-year data series of surface mass-balance measurements collected during 2011/12 to 2017/18 on Naradu Glacier, western Himalaya, India. The average annual specific mass balance for the said period is − 0.85 m w.e. with the maximum ablation of − 1.15 m w.e. The analysis shows that the topographic features, south and southeast aspects and slopes between 7 to 24 degrees are the reasons behind the maximum ablation from a particular zone. The causes of surface mass balance variability have been analyzed through multiple linear regression analyses (MLRA) by taking temperature and precipitation as predictors. The MLRA demonstrates that 71% of the observed surface mass balance variance can be explained by temperature and precipitation. It clearly illustrates the importance of summer temperature, which alone explains 64% variance of surface mass balance. The seasonal analysis shows that most of the surface mass balance variability is described by summer temperature and winter precipitation as two predictor variables. Among monthly combinations, surface mass balance variance is best characterized by June temperature and September precipitation.

Original languageEnglish
Article number12710
Number of pages12
JournalScientific Reports
Volume11
Issue number1
Early online date16 Jun 2021
DOIs
Publication statusPublished - 16 Jun 2021

Keywords

  • hydrology
  • climate change
  • Cryospheric science

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