^pof;
Urban;
Meteorology,;
China;
Meteorological;
Administration,;
Beijing;
100089;
^pof;
Earth;
Sciences,;
National;
Natural;
Science;
Foundation;
of;
China,;
Beijing;
100083;
^pof;
Atmospheric;
Physics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100029;
事件建模; 北京; 大气水汽含量; 数据同化; 演变特征; 陆气耦合模式; 气象观测; 温度降低;