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首页> 外文会议>Bioinformatics and Biomedical Engineering , 2009. ICBBE 2009 >Numerical Simulations of Impacts of Land Surface and Sea Surface Temperatures on the Onset Date of South China Sea Summer Monsoon
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Numerical Simulations of Impacts of Land Surface and Sea Surface Temperatures on the Onset Date of South China Sea Summer Monsoon

机译：陆面和海面温度对南海夏季风爆发日期影响的数值模拟

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摘要

The present study analyzes differences in spatial and temporal variations of surface temperature between early and late onset years of the South China Sea summer monsoon (SCSSM). It is found that when land surface temperature north of 40degN is lower (higher) and the sea surface temperature over the South China Sea-western North Pacific(SCS-WNP) is higher (lower) in winter, the onset of the SCSSM begins earlier (later) and that when land surface temperature north of 40degN is higher (lower) and sea surface temperature over the SCS-WNP is lower (higher) in spring, the onset of the SCSSM occurs earlier (later). In order to verify the mechanism of influences of the land and sea surface temperature distribution patterns and test the ability of the p-sigma regional climate model (P-sigmaRCM9) to simulate the SCSSM onset, three types of years with early, normal and late SCSSM onset are selected and the SCSSM regimes are numerically simulated. According to the results obtained from five sensitive experiments, it is revealed that when the land surface temperature is higher in the eastern part north of 40degN and lower in the western part north of 40degN, and it rises faster in eastern coastal regions and Indian Peninsula, while sea surface temperature over the SCS-WNP is lower, the early onset of the SCSSM can be expected.
机译：本研究分析了南海夏季风（SCSSM）发病初期和晚期之间地表温度时空变化的差异。研究发现，冬季冬季当40°N以北的地表温度较低（较高），而南海西北太平洋的海面温度较高（较低）时，SCSSM的发生较早开始。 （稍后），并且春季春季40°N以北的陆地表面温度较高（较低）并且SCS-WNP上的海面温度较低（较高）时，SCSSM的发生较早（较晚）。为了验证陆地和海洋表面温度分布格局的影响机制，并检验p-sigma区域气候模型（P-sigmaRCM9）模拟SCSSM发生的能力，包括早期，正常和晚期三种类型的年份。选择SCSSM发作，并对SCSSM方案进行数值模拟。根据五个敏感实验的结果表明，当地表温度在40degN以北的东部较高而在40degN以北的西部较低时，东部沿海地区和印度半岛的地表温度上升更快，尽管SCS-WNP的海表温度较低，但可以预期SCSSM的早期发作。

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