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Warming and drying over the central Himalaya caused by an amplification of local mountain circulation

Earth Sciences

Warming and drying over the central Himalaya caused by an amplification of local mountain circulation

J. Norris, L. M. V. Carvalho, et al.

Dive into the intriguing dynamics of the central Himalayas where recent warming and drying trends are reshaping water resources. This exciting research conducted by Jesse Norris, Leila M. V. Carvalho, Charles Jones, and Forest Cannon reveals how the diurnal cycle significantly influences these climatic changes, offering crucial insights for future hydroclimate predictions.

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Playback language: English
Abstract
Recent warming and drying trends in the central Himalayas are impacting downstream water resources. This study uses a 36-year high-resolution dynamical downscaling to investigate the role of the diurnal cycle in these trends. Enhanced daytime upslope winds prevent drying, while amplified nighttime downslope winds cause significant nocturnal drying at high elevations. This amplification of the diurnal mountain circulation is crucial for predicting future hydroclimate in this complex terrain.
Publisher
npj Climate and Atmospheric Science
Published On
Jan 16, 2020
Authors
Jesse Norris, Leila M. V. Carvalho, Charles Jones, Forest Cannon
Tags
Himalayas
warming trends
drying trends
diurnal cycle
mountain circulation
hydroclimate
climate change
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