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<BODY bgColor=#ffffff>Understanding the response of Himalayan glaciers to global
warming is vital because of their role as a water source for the Asian
subcontinent. However, great uncertainties still exist on the climate drivers of
past and present glacier changes across scales. Here, we analyse continuous
hourly climate station data from a glacierized elevation (Pyramid station, Mount
Everest) since 1994 together with other ground observations and climate
reanalysis. We show that a decrease in maximum air temperature and precipitation
occurred during the last three decades at Pyramid in response to global warming.
Reanalysis data suggest a broader occurrence of this effect in the glacierized
areas of the Himalaya. We hypothesize that the counterintuitive cooling is
caused by enhanced sensible heat exchange and the associated increase in glacier
katabatic wind, which draws cool air downward from higher elevations. The
stronger katabatic winds have also lowered the elevation of local wind
convergence, thereby diminishing precipitation in glacial areas and negatively
affecting glacier mass balance. This local cooling may have partially preserved
glaciers from melting and could help protect the periglacial
environment.<BR><BR><<A
href="https://www.nature.com/articles/s41561-023-01331-y">https://www.nature.com/articles/s41561-023-01331-y</A>><BR>--------<BR>С
уважением,<BR>Григорий Фёдоров.<BR><BR>
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<DIV style="BACKGROUND: #e4e4e4; font-color: black"><B>From:</B> <A
title=ecology.by@gmail.com href="mailto:ecology.by@gmail.com">Ecology BY</A>
</DIV>
<DIV><B>Sent:</B> Thursday, December 14, 2023 10:12 PM</DIV>
<DIV><B>Subject:</B> [wildlife-climate] Local cooling and drying induced by
Himalayan glaciers under global warming</DIV></DIV>
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