复杂地形下京津冀地区夏季降水特征及其数值模拟评估

李靖, 李梓铭, 郝翠, 戴翼, 邢楠

Summer precipitation characteristics under the influence of complex terrain in the Beijing-Tianjin-Hebei region and its numerical simulation evaluation

LI Jing, LI Ziming, HAO Cui, DAI Yi, XING Nan

图7 2021年6—9月降水过程合成的ERA5（a）、CMA-MESO（b）及两者差值（c）的14：00 比湿（等值线，单位：g·kg-1）、风（风矢，单位：m·s-1）、散度（填色，单位：10-5 s-1）沿图2（c）中线段AB、CD、EF、GH、IJ的剖面 （灰色阴影为地形）

Fig.7 Vertical cross-sections of specific humidity (isolines, Unit: g·kg-1), wind (wind vectors, Unit: m·s-1) and divergence (the color shaded, Unit: 10-5 s-1) along the segments AB、CD、EF、GH、IJ in fig. 2 (c) at 14:00 from ERA5 (a)， CMA-MESO (b) and differences between CMA-MESO and ERA5 (c) for synthesis of precipitation processes from June to September 2021 （The grey shading represents the terrain）