Journal of Tropical Oceanography >
Location of sea surface temperature cooling induced by typhoon in the South China Sea
Received date: 2010-03-28
Revised date: 2010-05-18
Online published: 2010-07-29
Supported by
国家自然科学基金(40976091, 31061160190); 中国科学院知识创新工程重要方向项目(kzcx2-yw-226); 广东省自然科学基金
(8351030101000002); 中国科学院、国家外国专家局创新团队国际合作伙伴计划(KZCX2-YW-T001)
Typhoons can induce cooling wakes at the ocean surface, causing low sea surface temperature (SST) along their tracks. In this study, multi-satellite data are used to investigate the location of the cooling wake induced by 92 typhoons passing through the South China Sea (SCS) from 1998 to 2009. Analysis of the sequential merged microwave SST data revealed that, 64 typhoons (69.6%) induced SST cooling of more than 2℃, 43 typhoons (46.7%) generated SST cooling on the right-hand side of the track, 8 typhoons (8.7%) induced SST cooling on the left-hand side of their tracks, and 13 typhoons (14.1%) induced cooling wakes behind their tracks. Cooling wakes induced by typhoons mainly located within 100km along the side of typhoon tracks. It is showed that cold core eddies, particularly strong cold eddies, existed in the pre-typhoon oceanic environment, may play a significant role in setting the strength and location of SST cooling induced by typhoons.
YANG Xiao-xia ,TANG Dan-ling, . Location of sea surface temperature cooling induced by typhoon in the South China Sea[J]. Journal of Tropical Oceanography, 2010 , 29(4) : 26 -31 . DOI: 10.11978/j.issn.1009-5470.2010.04.026
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