太平洋-印度洋暖池次表层水温对广东旱涝的影响

吴迪生; 俞胜宾; 冯伟忠; 周水华; 张娟; 王文娟; 梁昌霞; 李广敏

doi:10.3969/j.issn.1004-4965.2012.01.010

太平洋-印度洋暖池次表层水温对广东旱涝的影响

doi: 10.3969/j.issn.1004-4965.2012.01.010

1.
国家海洋局南海预报中心,广东广州 510310;卫星海洋环境动力学国家重点实验室/国家海洋局第二海洋研究所,浙江杭州 310012
2.
国家海洋局南海预报中心,广东广州 510310

基金项目: 2007年度海洋公益性行业科研专项项目(200706022);卫星海洋环境动力学国家重点实验室开放研究基金项目(SOED0706、SOED1106);广东省自然科学基金项目(04102749)共同资助

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出版历程
- 收稿日期: 2010-03-16
- 修回日期: 2010-06-26

EFFECTS OF SUBSURFACE OCEAN TEMPERATURE IN THE INDO-PACIFIC WARM POOL ON DROUGHT/FLOOD IN GUANGDONG

1.
South China Sea Forecasting Center, State Oceanic Administration, Guangzhou 510310, China;State Key Laboratory of Satellite Ocean Environment Dynamics/Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
2.
South China Sea Forecasting Center, State Oceanic Administration, Guangzhou 510310, China

摘要

摘要: 为探索次表层水温对广东旱涝的影响,用Argo剖面浮标等实测资料,分析了太平洋-印度洋暖池(简称太-印暖池)次表层水温异常对广东旱涝的影响。结果表明：冬季,太-印暖池次表层水温偏暖(冷)时,可能引起Walker环流加强(减弱),夏季西北太平洋副热带高压强度较常年同期偏弱(强),位置偏北(南),直接导致南海夏季风爆发时间偏早(晚),有利(不利)于西南部暖湿海洋水汽向广东输送,导致广东降水偏多(少)。冬季,太-印暖池次表层水温偏暖(冷),翌年广东降水偏多(少),出现涝年(旱年)是主要现象。
- 太平洋 /
- 印度洋 /
- 海温异常 /
- 广东旱涝
Abstract: Argo profile buoy data are used to analyze the effects of the subsurface ocean temperature anomaly (SOTA) in the Indo-Pacific Warm Pool on the droughts and floods in Guangdong. The results show that when the SOTA in the Indo-Pacific Warm Pool is colder (or warmer) in winter, the Walker circulation can be enhanced (or weakened), and the Western Pacific Subtropical High will be weakened (or enhanced) and will stretch northward (or southward). In the meantime the onset of summer monsoon over the South China Sea becomes earlier (or later), which is advantageous (or disadvantageous) to the transportation of warm water vapor to Guangdong, and precipitation in Guangdong will be abnormally more (or less). In conclusion, if SOTA in the Indo-Pacific Warm Pool becomes warmer (or colder) in winter, the coming year will mainly witness more (or less) precipitation and flood (drought) in Guangdong.
- Pacific Ocean /
- Indian Ocean /
- ocean temperature anomaly /
- drought/flood in Guangdong

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参考文献(16)

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