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5 期 姜 平等:夏季午后重庆大气边界层垂直结构分析 1349
图10 夏季午后“晴”(a)、 “多云”(b)、 “阴”(c)、 “雨”(d)等不同天气背景下重庆大气边界层垂直结构的一般特征
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(a~c)中左侧黑色实线和黑色虚线分别表示位温(单位: ℃)和比湿(单位: g‧kg ), 标志“CBL” “SBL” “RML” “EL”和“FA”分别表示
大气边界层的对流边界层、 稳定边界层、 残余混合层、 夹卷层和自由大气, 灰色横线为大气边界层不同层次的分界线;
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(a~c)中右侧黑色实线表示风速(单位: m‧s ); (d)中黑色实线表示位温(单位: ℃)
Fig. 10 General features of atmospheric boundary layer structure in Chongqing under different weather background of ‘clear’(a),
‘cloudy’ (b), ‘overcast’(c) and ‘rainy’ (d) on summer afternoon. Black solid lines and dashed lines in left panels in (a-c) depict
potential temperature (unit: ℃) and specific humidity (unit: g‧kg ), and the symbols ‘CBL’ ‘SBL’ ‘RML’ ‘EL’ and ‘FA’
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represent the convective boundary layer, stable boundary layer, residual mixed layer, entrainment zone and free atmosphere,
respectively, and the horizontal grey lines depict the boundaries of different layers. The solid lines in right panels in (a-c)
depict the wind speed (unit: m‧s ). The black solid line in (d) depicts the potential temperature (unit: ℃)
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