华北地区一次低槽冷锋云系结构和增雨条件研究
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史月琴 1,2(  ), 赵俊杰 3, 孙晶 1,2, 孙玉稳 4(  )
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Study on cloud structure and rainfall enhancement condition of a low-trough cold-front cloud over North China
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SHI Yueqin 1,2(  ), ZHAO Junjie 3, SUN Jing 1,2, SUN Yuwen 4(  )
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图6. 2017年5月22日17:00至23日01:00邢台站各物理量的时间-高度剖面 (底部黑色粗柱状为10 min降水量,单位:mm) (a)比湿(填色区,单位:g·kg-1)及水汽通量(蓝色等值线,单位:g·hPa-1·cm-1·s-1),(b)水平风场(风矢,单位:m·s-1)、垂直速度(红色等值线,单位:m·s-1)(黄色填色为雨水混合比大于0.01 g·kg-1区域),(c)冰晶(红色等值线)、雪(填色区)、霰(蓝色等值线)混合比(单位:g·kg-1),(d)云水(填色区)、雨水(红色等值线)混合比(单位:g·kg-1)及冰晶数浓度(蓝色等值线,单位:个·L-1)
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Fig.6. Time-height cross sections of physical quantities from 17:00 BST May 22 to 01:00 BST May 23 at Xingtai station (The black thick bar at bottom is 10 min rainfall, Unit: mm) (a) specific humidity (the color shaded, Unit: g·kg-1) and water vapor flux (blue isolines, Unit: g·hPa-1·cm-1·s-1), (b) horizontal wind (wind vectors, Unit: m·s-1) and vertical velocity (red isolines, Unit: m·s-1) (the yellow shaded for the mixing ratio of rain water greater than 0.01 g·kg-1), (c) mixing ratio of ice crystal (red isolines), snow (the color shaded) and graupel (blue isolines) (Unit: g·kg-1), (d) mixing ratio of cloud water (the color shaded), rain water(red isolines) (Unit: g·kg-1) and number concentration of ice crystal (blue isolines, Unit: L-1)
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