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首页> 外文期刊>Journal of oceanography >Variability of sea surface temperature and warm pool area in the South China Sea and its relationship to the western Pacific warm pool
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Variability of sea surface temperature and warm pool area in the South China Sea and its relationship to the western Pacific warm pool

机译：南海海表温度和暖池面积的变化及其与西太平洋暖池的关系

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摘要

Sea surface temperature (SST) data derived from satellite and in situ measurements are used to study the thermal variability in the South China Sea (SCS). Time–frequency–energy distributions, periods of variability, and trends are computed by the Hilbert–Huang transform method. The SST trend from 1982 to 2005 is 0.276°C per decade in the SCS which is higher than 0.144°C per decade in the western Pacific warm pool (WPWP). The warm pool (SST?≥?28°C) area in the SCS has increased by 0.20?×?106?km2 per decade. The SST and area of the warm pool in the SCS are strongly correlated, respectively, with the SST and area of the WPWP with a time lag of 1?month, suggestive of a strong connection between these two warm pools. Once the annual cycle is eliminated, decadal oscillations dominate the variability of SST and warm pool area in the SCS.
机译：来自卫星和原位测量的海面温度（SST）数据用于研究南海（SCS）的热变率。时频能量分布，变化周期和趋势是通过希尔伯特-黄变换方法计算的。从1982年到2005年，南海的SST趋势为每十年0.276°C，高于西太平洋暖池（WPWP）的每十年0.144°C。每十年，南海的暖池（SST≥≥28°C）面积增加了0.20××106×km2。 SCS中暖池的SST和面积分别与WPWP的SST和面积密切相关，时滞为1个月，表明这两个暖池之间存在很强的联系。一旦消除了年度周期，年代际振荡将主导SST和SCS暖池面积的变化。

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