Comparison of Eulerian and Lagrangian moisture source diagnostics – the flood event in eastern Europe in May 2010
作者: A. WinschallS. PfahlH. SodemannH. Wernli
作者单位: 1Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland
刊名: Atmospheric Chemistry and Physics, 2014, Vol.14 (13), pp.6605-6619
来源数据库: Copernicus Journal
DOI: 10.5194/acp-14-6605-2014
原始语种摘要: Moisture convergence from different sources is an importantprerequisite for a heavy-precipitation event. The contributions fromdifferent source regions can, however, hardly be quantified fromobservations, and their assessment based on model results iscomplex. Two conceptually different numerical methods are widely usedfor the quantification of moisture sources: Lagrangian approachesbased on the analysis of humidity variations along backwardtrajectories and Eulerian methods based on the implementation ofmoisture tracers into a numerical model. In this study the moisturesources for a high-impact, heavy-precipitation event that affectedeastern Europe in May 2010 are studied with both Eulerian andLagrangian moisture source diagnostics. The precipitation event wasconnected to a cyclone that...
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  • moisture 湿气
  • precipitation 沉淀
  • eastern 东方的
  • event 事件
  • diagnostics 诊断学
  • Mediterranean 被陆地包围的
  • Lagrangian 拉格朗日算符
  • tropical 热带的
  • Atlantic 在西洋的
  • source