Physics
Scientific paper
Nov 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3421708o&link_type=abstract
Geophysical Research Letters, Volume 34, Issue 21, CiteID L21708
Physics
2
Atmospheric Processes: Climatology (1616, 1620, 3305, 4215, 8408), Atmospheric Processes: General Circulation (1223), Oceanography: Physical: Air/Sea Interactions (0312, 3339), Atmospheric Processes: Ocean/Atmosphere Interactions (0312, 4504), Atmospheric Processes: Land/Atmosphere Interactions (1218, 1631, 1843)
Scientific paper
Orographic effects on northwestern Pacific climate are investigated with atmospheric and coupled ocean-atmosphere general circulation models. In response to the removal of global orography, both models simulate a widespread decrease of summer rainfall over the Asian Continent. Over the subtropical northwestern Pacific, however, the response is opposite between the atmospheric and coupled models during spring and early summer. Sea surface temperature (SST) cooling is responsible for these differences between the atmospheric and coupled response. The SST cooling is triggered by winter stationary wave response to the mountain removal and amplified during spring by the wind-evaporation-SST feedback, altering the atmospheric response through summer. These results illustrate the importance of air-sea interaction and provide useful guidance for interpreting paleoclimate changes in response to the uplift of the Tibetan Plateau and Rift Valley of Africa.
Okajima Hideki
Xie Shang-Ping
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