#IMC: September 14 - 18 2025

Assessing Aridity Changes and their linkages with Climatic Parameters in Warming Climate: Insights from Himachal Pradesh, India.

Assigned Session: FS 3.105: Modeling Transformations of Mountain Landscapes: Opportunities and Threats

Abstract ID: 3.12581 | Accepted as Talk | Talk/Oral | TBA | TBA

Pankaj Kumar (0)
Yadav, Ashwani (Department of Geography, University of Delhi)
Pankaj Kumar ((0) Department of Geography, University of Delhi, Delhi, 110007)
Yadav, Ashwani (Department of Geography, University of Delhi)

(0) Department of Geography, University of Delhi, Delhi, 110007
(1) Department of Geography, University of Delhi, University of Delhi, Delhi, 110007

(1) Department of Geography, University of Delhi, University of Delhi, Delhi, 110007

Categories: Cryo- & Hydrosphere
Keywords: Aridity

Categories: Cryo- & Hydrosphere
Keywords: Aridity

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Himalayan , including Lahaul-Spiti, Kinnaur, are highly vulnerable to climate change-driven temperature increases. These high-altitude arid regions experience extreme temperatures and limited precipitation, making them particularly sensitive to fluctuations in dryness. Understanding long-term changes in aridity is essential for assessing climate change impacts and developing conservation strategies. This study evaluates aridity trends in Indian Himachal pradesh from 1901 to 2022 using the Aridity Index (AI), defined as the ratio of annual precipitation (P) to potential evapotranspiration (PET). Data were sourced from CRU TS v4.08, a high-resolution climate dataset. The study area was classified into climatic zones based on AI values and analyzed across various seasons, including pre-monsoon, monsoon, post-monsoon, winter, and agricultural seasons. Findings indicate a significant decline in aridity across himachal regions, with northeastern areas transitioning toward hyper-arid conditions. Seasonal variations

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