李晓燕,翟盘茂. 2000. ENSO事件指数与指标研究[J]. 气象学报, 58(1):102-109, doi:10.11676/qxxb2000.010 |
ENSO事件指数与指标研究 |
ON INDICES AND INDICATORS OF ENSO EPISODES |
投稿时间:1997-09-19 修订日期:1998-05-26 |
DOI:10.11676/qxxb2000.010 |
中文关键词: ENSO 指数 指标 事件强度 |
英文关键词:ENSO Index Indicator SST intensity |
基金项目:国家“九五”重中之重项目“我国短期气候预测系统的研究”(96-908-04-02-3) |
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中文摘要: |
根据1951~1996年完整可靠的海面温度(SST)和南方涛动指数(SOI)资料,以中、东太平洋SST异常变化为指标,定义了ENSO事件,并在此基础上提出了以ENSO事件过程海温距平累积值为指标的强度指数。此外,还定义了ENSO事件的海-气综合强度指数,并对ENSO事件的长度、强度及爆发类型等进行了分类。 |
英文摘要: |
Based on complete and reliable SSt and SOI data during 1950-1997, according to SS tanomalies in the eastern and central Pacific an index is defined to determine ENSO episodes. An intensity index was produced according to accumulated anomalies during the ENSO episodes. Also, a comprehensive intensity index reflecting both oceanic and atmospheric features was generated.Furthermore, they are also analyzed and discussed for the ENSO duration,intensity, pattern and onset characteristics. |
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