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Spatio-Temporal Characteristics of the Indo-Pacific Warm Pool and the Corresponding Rain Pool

Author

Listed:
  • Zi Yin

    (Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

  • Qing Dong

    (Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China)

  • Kunsheng Xiang

    (Piesat Information Technology Co., Ltd., Beijing 100195, China)

  • Min Bian

    (Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

Abstract

The greatest warm body in the world exists in the tropical oceans, which stimulates deep convection, resulting in abundant water vapor and precipitation in the tropical atmosphere. Using multiple SST datasets and related precipitation and atmospheric parameter data, this study examines multi-scale variabilities of the Indo-Pacific warm pool (IPWP) as well as the associated rain pool (IPRP). The results show that the IPWP and IPRP are spatially analogous and have significant increasing trends of intensity and coverage. Seasonal variations of the IPWP and IPRP are the strongest and almost coincident with each other. Our results also confirm previous findings that the most important interannual variations of the IPWP and IPRP are associated with various types of ENSO. The composite analysis reveals that the IPWP’s SST structure is linked to the ENSO-induced trade wind anomaly and that SST structural changes cause changes in the position and intensity of the ascending branch of the Walker circulation, which in turn drives changes in the position and intensity of the IPRP.

Suggested Citation

  • Zi Yin & Qing Dong & Kunsheng Xiang & Min Bian, 2022. "Spatio-Temporal Characteristics of the Indo-Pacific Warm Pool and the Corresponding Rain Pool," Sustainability, MDPI, vol. 14(17), pages 1-20, August.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:17:p:10841-:d:902604
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    References listed on IDEAS

    as
    1. Wenju Cai & Agus Santoso & Guojian Wang & Evan Weller & Lixin Wu & Karumuri Ashok & Yukio Masumoto & Toshio Yamagata, 2014. "Increased frequency of extreme Indian Ocean Dipole events due to greenhouse warming," Nature, Nature, vol. 510(7504), pages 254-258, June.
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