REDEFINING ENSO EPISODES BASED ON CHANGED CLIMATE REFERENCES |
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| Authors: | LI Xiao-yan ZHAI Pan-mao REN Fu-min and JIANG Guo-hua |
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| Institution: | The Laboratory of Climate Study of China Meteorological Administration, National Climate Center, Beijing 100081 China |
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| Abstract: | Through studying changes in ENSO indices relative to change of climate reference from 1961~1990 to 1971~2000, the study generated new standards to define ENSO episodes and their intensities. Then according to the new climate references and new index standards, ENSO episodes and their intensities for the period 1951 -2003 have been classified. Finally, an analysis has been performed comparing the new characteristics with the old ones for ENSO period, peak values and intensities. |
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| Keywords: | change of climate reference ENSO episodes indicators |
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