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《Chinese Journal of Geophysics》 2014-05
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Comparison of the thermal and dynamic structural characteristics in boundary layer with different boundary layer parameterizations

HUANG Wen-Yan;SHEN Xin-Yong;WANG Wei-Guo;HUANG Wei;Key Laboratory of Meteorological Disaster of Ministry of Education,Nanjing University of Information Science and Technology;State Key Laboratory of Severe Weather,Chinese Academy of Meteorological Sciences;National Centers for Environmental Prediction,National Oceanic and Atmospheric Administration Maryland 20746,USA;  
To evaluate model performance of simulating structural characteristics in boundary layer at the forested areas of northern United States and compare the thermal and dynamic structural characteristics in boundary layer with five different boundary layer parameterizations,high resolution mesoscale WRF model was used in this paper to conduct some experiments withdifferent boundary layer parameterization configurations.The results showed that WRF model with different boundary layer schemes could successfully simulate the characteristics of strong turbulent mixing in boundary layer at daytime and strong inversion,inverse wet and low level jet in stable boundary layer at nighttime except for some individual schemes.Compared with local schemes MYJ and UW,the nonlocal schemes YSU and ACM2simulated strong turbulent mixing and entrainment at daytime,producing higher temperature,lower humidity,higher mixing layer,larger sensible heat flux in convective boundary layer,which were closer to the results of observations.This indicated that considering the nonlocal transport of large eddy was more reasonable in the instable stratification.But local schemes had some advantages in the prediction of wind speed and direction.TEMF scheme predicted the weakest local turbulent mixing in all schemes,which was difficult to form the mixing layer,and could not describe the characteristics of vertically homogeneous distribution of meteorological elements in convective boundary layer.For nocturnal stable boundary layer simulation,the discrepancies from different schemes were small.But to a certain extent,the scheme YSU overestimated mechanical turbulence at nighttime,leading to strong local turbulent mixing,and could not simulate stable boundary layer well.
【Fund】: 国家重点基础研究发展计划973项目(2013CB430103 2011CB403405);; 国家自然科学基金项目(41375058 41175065);; 江苏高校优势学科建设工程资助项目(PAPD);; 江苏高等学校优秀科技创新团队计划项目(2012)资助
【CateGory Index】: P404
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 ZHANG Bi-Hui1,2,LIU Shu-Hua1,LIU He-Ping3,MA Yan-Jun4 1 Department of Atmospheric and Oceanic Sciences,School of Physics,Peking University,Beijing 100871,China 2 National Meteorological Center,China Meteorological Administration,Beijing 100081,China 3 Department of Civil and Environmental Engineering,Washington State University Pullman,WA 99164,USA 4 Institute of Atmospheric Environment,China Meteorological Administration,Shenyang 110016,China;The effect of MYJ and YSU schemes on the simulation of boundary layer meteorological factors of WRF[J];Chinese Journal of Geophysics;2012-07
2 XU Huiyan 1, 2 , ZHU Ye 1, 3 , LIU Rui 1 , SHEN Hangfeng 1, 4 , WANG Donghai 2 , and ZHAI Guoqing 1 1 Department of Earth Science, Zhejiang University, Hangzhou 310027 2 State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081 3 Marine Monitoring and Forecasting Center of Zhejiang Province, Hangzhou 310007 4 Hangzhou Meteorological Bureau, Zhejiang Province, Hangzhou 310007;Simulation Experiments with Different Planetary Boundary Layer Schemes in the Lower Reaches of the Yangtze River[J];Chinese Journal of Atmospheric Sciences;2013-01
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 HE Jianjun;YU Ye;LIU Na;ZHAO Suping;CHEN Jinbei;Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences;University of Chinese Academy of Sciences;;Impact of Land Surface Information on WRF's Performance in Complex Terrain Area[J];Chinese Journal of Atmospheric Sciences;2014-03
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1 Gui Zhicheng, Zheng Yiqun, Zeng Xinmin, Qiang Xueming (Institute of Meteorology and Oceanography, PLA University of Science and Technology, Nanjing 211101,China);Comparative analysis of the impact of different planetary boundary layer parameterization on the simulation of East Asia Summer Monsoonal Climate in WRF Model[A];[C];2013
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