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107/03/20 14:00 中央大學大氣科學學系鄭芳怡副教授 演講

演講公告
張貼人:網站管理員公告日期:2018-03-14
 
演 講 公 告
 

講題:Impact of soil moisture variations on simulated land-atmosphere interaction in Taiwan

 

主講人:鄭芳怡 副教授
 
    中央大學大氣科學學系

 
時間:3月20日(星期二)下午2點
 

地點:中央大學科學一館S-325教室
 

摘要:
 
  Soil moisture plays a fundamental role in the exchange of water and energy cycles between the atmosphere and the land surface through evapotranspiration, which primarily includes bare soil evaporation and plant transpiration of water. The amount of soil moisture will modulate the partition of total available energy at the land surface between sensible heat fluxes and latent heat fluxes and then impact the near- surface atmospheric conditions.
  The simulations using the Weather Research and Forecasting (WRF) Model with the Noah land surface model were conducted. First, the longer period with multiyear simulations were conducted for two scenarios representative of past (1979-1986) and current (2004-2011) atmospheric conditions to discuss the impact of the land-air interaction on the meteorological characteristics.
  Second, a short-term one-month simulation focused on the weather events were conducted to investigate the effect of soil moisture initializations and soil texture on the land surface hydrologic processes and its feedback on atmospheric fields in Taiwan.
 
最後修改時間:2018-03-14 AM 10:40

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