Seasonal variation of local atmospheric circulations and boundary layer structure in the Beijing-Tianjin-Hebei region and implications for air quality : SEASONAL VARIATION OF BL PROCESSES

[1 ]Department of Atmospheric and Oceanic Sciences, School of Physics; Peking University; Beijing China

[2 ]Key Laboratory of Meteorological Disaster of Ministry of Education; Nanjing University of Information Science and Technology; Nanjing China

[3 ]Center for Analysis and Prediction of Storms, School of Meteorology; University of Oklahoma; Norman Oklahoma USA

[4 ]State Key Laboratory of Severe Weather; Chinese Academy of Meteorological Sciences; Beijing China