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In surface engineering construction, short-term heavy rainfall has the greatest impact on both construction activities and the defense against severe weather hazards. This study utilizes upper-air and surface meteorological data from the Baihetan Hydropower Station spanning 2012 to 2022 to analyze and investigate the circulation backgrounds and physical characteristic parameters of four types of short-term heavy rainfall events: baroclinic frontogenesis, upper-level cold advection forcing, lower-level warm advection forcing, and quasi-baroclinic types. The aim is to understand the climatic characteristics of plateau regions, provide a scientific basis for future forecasting and early warning systems, and ultimately enhance the forecasting capability of short-term heavy rainfall in these areas.

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Characteristic Identification of Short-Term Heavy Rainfall in Plateau Mountainous Areas

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Qianwen Wu,
  • Leilei Qin,
  • Jun Liu,
  • Yu Zhang

摘要

In surface engineering construction, short-term heavy rainfall has the greatest impact on both construction activities and the defense against severe weather hazards. This study utilizes upper-air and surface meteorological data from the Baihetan Hydropower Station spanning 2012 to 2022 to analyze and investigate the circulation backgrounds and physical characteristic parameters of four types of short-term heavy rainfall events: baroclinic frontogenesis, upper-level cold advection forcing, lower-level warm advection forcing, and quasi-baroclinic types. The aim is to understand the climatic characteristics of plateau regions, provide a scientific basis for future forecasting and early warning systems, and ultimately enhance the forecasting capability of short-term heavy rainfall in these areas.