Influences of the Kuroshio/Oyashio Extensions on Air-Sea Heat Exchanges and Storm-Track Activity as Revealed in Regional Atmospheric Model Simulations for the 2003/04 Cold Season*
作者： Bunmei Taguchi , Hisashi Nakamura , Masami Nonaka , Shang-Ping Xie
关键词: Front (oceanography) 、 Atmosphere 、 Atmospheric temperature 、 Environmental science 、 Monsoon 、 Sea surface temperature 、 Climatology 、 Storm track 、 Atmospheric model 、 Sensible heat
摘要: Abstract Influences of oceanic fronts in the Kuroshio and Oyashio Extension (KOE) region on overlying atmosphere are investigated by comparing a pair atmospheric regional model hindcast experiments for 2003/04 cold season, one with observed finescale frontal structures sea surface temperature (SST) prescribed at lower boundary other an artificially smoothed SST distribution. The comparison reveals locally enhanced meridional gradient turbulent fluxes heat moisture air (SAT) across zone, which favors storm-track development both winter spring. Distinct seasonal dependency is found, however, how dominantly activity influences time-mean distribution supply from ocean. In spring mean sensible flux (SHF) upward (downward) warmer (cooler) side subarctic front. This sharp cross-frontal contrast manifestation of...
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