Surface Heat Fluxes during Hot Events
Qin, HL; Kawamura, H; qin@ocean.caos.tohoku.ac.jp
2009
发表期刊JOURNAL OF OCEANOGRAPHY
ISSN0916-8370
卷号65期号:5页码:605-613
摘要We selected surface flux datasets to investigate the heat fluxes during "hot events" (HEs), defined as short-term, large-scale phenomena involving very high sea surface temperature (SST). Validation of the heat fluxes against in-situ ones, which are estimated from in-situ observation in HE sampling conditions, shows the accuracies (bias +/- RMS error) of net shortwave radiation, net long wave radiation, latent heat and sensible heat fluxes are 20 +/- 45.0 W m(-2), -9 +/- 12.3 W m(-2), -2.3 +/- 31.5 W m(-2) and 1.5 +/- 5.0 W m(-2), respectively. Statistical analyses of HEs show that, during these events, net solar radiation remains high and then decreases from 246 to 220 W m(-2), while latent heat is low and then increases from 100 W m(-2) to 124 W m(-2). Histogram peaks indicate net solar radiation of 270 W m(-2) and latent heat flux of 90 W m(-2) during HEs. Further, HEs are shown to evolve in three phases: formation, mature, and ending phases. Mean heat gain (HG) in the HE formation phase of 60 W m(-2) is larger than the reasonably estimated annual mean HG range of 0-25 W m(-2) in the Indo-Pacific Warm Pool. Such large daily HG in the HE formation phase can be expected to increase SSTs and produce large amplitudes of diurnal SST variations during HEs, which have been observed by both satellite and in-situ measurements in our previous studies.
部门归属[Qin, Huiling; Kawamura, Hiroshi] Tohoku Univ, Grad Sch Sci, Ctr Atmosphere & Ocean Studies, Sendai, Miyagi 9808578, Japan
关键词Heat Fluxes Hot Event Indo-pacific Warm Pool Very High Sst
学科领域Oceanography
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收录类别sci
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/8411
专题海洋科技动态信息-印太暖池系统研究
通讯作者qin@ocean.caos.tohoku.ac.jp
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Qin, HL,Kawamura, H,qin@ocean.caos.tohoku.ac.jp. Surface Heat Fluxes during Hot Events[J]. JOURNAL OF OCEANOGRAPHY,2009,65(5):605-613.
APA Qin, HL,Kawamura, H,&qin@ocean.caos.tohoku.ac.jp.(2009).Surface Heat Fluxes during Hot Events.JOURNAL OF OCEANOGRAPHY,65(5),605-613.
MLA Qin, HL,et al."Surface Heat Fluxes during Hot Events".JOURNAL OF OCEANOGRAPHY 65.5(2009):605-613.
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