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2 2021年6—9月京津冀地区平均小时降水量（a、b、c，单位：mm）、小时降水频率（d、e、f，单位：%）及降水强度（g、h、i，单位：mm·h-1）的实况（a、d、g）、预报（b、e、h）及预报与实况差值（c、f、i）的空间分布 （黑色实线为100、600 m地形等高线；线段AB、CD、EF、GH、IJ为小时降水量的负偏差大值中心）

Fig.2 Spatial distributions of observed (a, d, g) and forecasted (b, e, h) average hourly precipitation amount (Unit: mm) (a, b, c) and hourly precipitation frequency (Unit: %) (d, e, f), as well as their difference values between the forecasted and the observations (c, f, i) from June to September 2021 in the Beijing-Tianjin-Hebei region (The black solid lines represent the 100 m and 600 m topographic contour lines；The line segments AB, CD, EF, GH and IJ represent the centers of large negative deviations in hourly precipitation)