Physics
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011georl..3810604i&link_type=abstract
Geophysical Research Letters, Volume 38, Issue 10, CiteID L10604
Physics
Atmospheric Composition And Structure: Air/Sea Constituent Fluxes (3339, 4504)
Scientific paper
We investigated trends for surface net heat flux (NET) and fresh water flux (FWF) over the eastern subtropical region in the North Pacific for the period of 1988-2005 using satellite-based data set. It is concluded that NET and FWF remarkably increased during this period. Latent heat flux (LHF) mainly contributes to the increase in NET. Moreover, in order to clarify which flux has larger contribution to the increase in LHF, we investigated four LHF products. Both of the increase in the wind speed (U) and the decrease in the air specific humidity (Qa) have critical contribution to the increase in LHF. In contrast, the decrease of the sea surface temperature (SST) which contributes the decrease in LHF is also found. Also, we proposed a possible mechanism that the increase in U and the decrease in Qa are induced by the strengthened descending branch of local Hadley circulation, associated with change of SST around this region.
Iwasaki Shinsuke
Kubota Masahisa
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