Trends in Precipitation Extremes over Southeast Asia

  • Endo Nobuhiko
    Research Institute for Global Change, JAMSTEC
  • Matsumoto Jun
    Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University Research Institute for Global Change, JAMSTEC
  • Lwin Tun
    Department of Meteorology and Hydrology

書誌事項

公開日
2009
DOI
  • 10.2151/sola.2009-043
公開者
公益社団法人 日本気象学会

説明

The authors investigate trends in precipitation extremes using daily precipitation data from Southeast Asian countries during 1950s to 2000s. Number of wet days, defined by a day with at least 1 mm of precipitation, tends to decrease over these countries, while average precipitation intensity of wet days shows an increasing trend. Heavy precipitation indices, which are defined by precipitation amount and percentile, demonstrate that the number of stations with significant upward trend is larger than that with significant downward trend. Heavy precipitation increases in southern Vietnam, northern part of Myanmar, and the Visayas and Luzon Islands in the Philippines, while heavy precipitation decreases in northern Vietnam. Annual maximum number of consecutive dry days decreases in the region where winter monsoon precipitation dominates. Decrease of precipitation event in the dry season is suggested in Myanmar.

収録刊行物

  • SOLA

    SOLA 5 168-171, 2009

    公益社団法人 日本気象学会

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参考文献 (19)*注記

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