Mountain station pressure as an indicator of climate change

Details Mountain station pressure as an indicator of climate change Mountain station pressure as an indicator of climate change

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999georl..26.1751t&link_type=abstract

Geophysical Research Letters, Volume 26, Issue 12, p. 1751-1754

Physics

4

Atmospheric Composition And Structure, Atmospheric Composition And Structure: Pressure, Density, And Temperature, Global Change: Atmosphere, Global Change: Climate Dynamics

Scientific paper

Surface temperature observations have been used to infer a global warming of about 0.7°K over the last century. Here, we present a new way of deriving temperature trends from observations of mountain surface pressure. From the hydrostatic equation it can be shown that a warming below the mountain increases the local pressure. This signal increases with height. The derived temperature trends from a few sites are consistent with reported regional warmings and a recent acceleration. These results provide independent confirmation of regional warming of the lower troposphere on a longer time scale than is currently available from radiosondes and satellites.

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