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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