| Connection between interannual variability of the western Pacific and eastern Indian Oceans in the 1997 - 1998 El Nino event |
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| 引用本文： | WANG Dongxiao,LIU Qinyan,LIU Yun and SHI Ping(LED,South China Sea Institute of Oceanology,Chinese Academy of Sciences,Guangzhou 510301,China). Connection between interannual variability of the western Pacific and eastern Indian Oceans in the 1997 - 1998 El Nino event[J]. 自然科学进展(英文版), 2004, 14(5). DOI: 10.1080/10020070412331343721 |
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| 作者姓名： | WANG Dongxiao LIU Qinyan LIU Yun and SHI Ping(LED South China Sea Institute of Oceanology Chinese Academy of Sciences Guangzhou 510301 China) |
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| 作者单位： | LED，South China Sea Institute of Oceanology，Chinese Academy of Sciences，Guangzhou 510301，China |
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| 基金项目： | 国家自然科学基金，中国科学院资助项目 |
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| 摘 要： | In this paper, the sea surface height and the heat content of the upper ocean are analyzed to retrieve the relationship of interannual variabilities between the tropical western Pacific and eastern Indian Oceans during the 1997 - 1998 El Nino event. In the prophase of this El Nino, the negative sea level anomalies (SLA) occurred in the tropical western Pacific (TWP) firstly, and then appeared in the tropical eastern Indian Ocean (TEI). The negative heat content anomalies (HCA) emerged in the TWP before this El Nino burst while the SLA signals developed over there. During the mature stage of this El Nino, two kinds of signals in the TWP and TEI turned to be the maximum negative sequently. Due to the connected interannual adjustment between the TEI and TWP, we adopted a method to estimate the Indonesian Throughflow (ITF) transport by calculating the HCA budget in the TEI. The indirect estimation of the ITF was comparable to the observation values. Therefore, the anomalies in the TEI had been proved as adv
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Connection between interannual variability of the western Pacific and eastern Indian Oceans in the 1997～1998 El Ni(n)o event |
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| WANG Dongxiao,LIU Qinyan,LIU Yun,SHI Ping. Connection between interannual variability of the western Pacific and eastern Indian Oceans in the 1997～1998 El Ni(n)o event[J]. Progress in Natural Science, 2004, 14(5). DOI: 10.1080/10020070412331343721 |
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| Authors: | WANG Dongxiao LIU Qinyan LIU Yun SHI Ping |
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| Abstract: | In this paper,the sea surface height and the heat content of the upper ocean are analyzed to retrieve the relationship of interannual variabilities between the tropical western Pacific and eastern Indian Oceans during the 1997～1998 El Ni(n)o event.In the prophase of this El Ni(n)o,the negative sea level anomalies (SLA) occurred in the tropical western Pacific (TWP) firstly,and then appeared in the tropical eastern Indian Ocean (TEI).The negative heat content anomalies (HCA) emerged in the TWP before this El Nio burst while the SLA signals developed over there.During the mature stage of this El Ni(n)o,two kinds of signals in the TWP and TEI turned to be the maximum negative sequently.Due to the connected interannual adjustment between the TEI and TWP,we adopted a method to estimate the Indonesian Throughflow (ITF) transport by calculating the HCA budget in the TEI.The indirect estimation of the ITF was comparable to the observation values.Therefore,the anomalies in the TEI had been proved as advecting from the TWP through the ITF during the 1997～1998 El Ni(n)o. |
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| Keywords: | Indonesian Throughflow El Ni(n)o tropical East Indian Ocean |
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