Evaluation of Atmosphere–Land Interactions in an LES from the Perspective of Heterogeneity Propagation 被引量：1

Evaluation of Atmosphere–Land Interactions in an LES from the Perspective of Heterogeneity Propagation

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摘要 Atmosphere–land interactions simulated by an LES model are evaluated from the perspective of heterogeneity propagation by comparison with airborne measurements. It is found that the footprints of surface heterogeneity, though as 2D patterns can be dissipated quickly due to turbulent mixing, as 1D projections can persist and propagate to the top of the atmospheric boundary layer. Direct comparison and length scale analysis show that the simulated heterogeneity patterns are comparable to the observation. The results highlight the model＇s capability in simulating the complex effects of surface heterogeneity on atmosphere–land interactions. Atmosphere–land interactions simulated by an LES model are evaluated from the perspective of heterogeneity propagation by comparison with airborne measurements. It is found that the footprints of surface heterogeneity, though as 2D patterns can be dissipated quickly due to turbulent mixing, as 1D projections can persist and propagate to the top of the atmospheric boundary layer. Direct comparison and length scale analysis show that the simulated heterogeneity patterns are comparable to the observation. The results highlight the model＇s capability in simulating the complex effects of surface heterogeneity on atmosphere–land interactions.

作者 Shaofeng LIU Michael HINTZ Xiaolong LI

机构地区 Institute of Geophysics and Meteorology National Satellite Meteorological Center

出处《Advances in Atmospheric Sciences》 SCIE CAS CSCD 2016年第5期571-578,共8页 大气科学进展（英文版）

基金 supported by the DFG Transregional Cooperative Research Centre 32 "Patterns in Soil-Vegetation-Atmosphere-Systems: Monitoring, Modelling and Data Assimilation"

关键词 atmosphere–land interaction heterogeneity large-eddy simulation atmosphere–land interaction heterogeneity large-eddy simulation

分类号 P43 [天文地球—大气科学及气象学]

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