秦岭及周边地区夏季极端降水环流特征及成因分析 |
| 井宇, 陈闯, 赵强, 李明, 何娟 |
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Circulation characteristics and causal analysis of extreme summer precipitation over the Qinling Mountains and surrounding regions |
| JING Yu, CHEN Chuang, ZHAO Qiang, LI Ming, HE Juan |
| 图4 秦岭北部3类RHEP环流型200 hPa位势高度场(等值线,单位:dagpm)、散度场(填色,单位:10-6 s-1)和风场(风矢,单位:m·s-1)(a、b、c),500 hPa位势高度场(黑色等值线,单位:dagpm)、温度场(红色等值线,单位:℃)、风场(风矢,单位:m·s-1)和RHEP发生频次空间分布(彩色圆点,单位:次)(d、e、f),700 hPa位势高度场(等值线,单位:dagpm)、近地面至500 hPa垂直积分水汽通量散度(填色,单位:10-5 kg·m-2·s-1)和风场(风矢,单位:m·s-1)(g、h、i),850 hPa位势高度场(等值线,单位:dagpm)、近地面至500 hPa垂直积分水汽通量(填色,单位:kg·m-1·s-1)和风场(风矢,单位:m·s-1)(j、k、l) (★为RHEP发生频次最大值位置,灰色阴影为地形,黑色框为秦岭北部边界) |
| Fig.4 Synoptic patterns of three RHEP circulation types in the study area north of the Qinling Mountains: 200 hPa geopotential height field (contours, Unit: dagpm), divergence field (the color shaded, Unit: 10-6 s-1) and wind field (vectors, Unit: m·s-1) (a、b、c); 500 hPa geopotential height field (black contours, Unit: dagpm), temperature field (red isolines, Unit: ℃), and wind field (vectors, Unit: m·s-1), along with spatial distribution of the RHEP occurrence frequency (colour dots, Unit: times) (d、e、f); 700 hPa geopotential height field (contours, Unit: dagpm), vertically integrated water vapor flux divergence from the near-surface to 500 hPa (the color shaded, Unit: 10-5 kg·m-2·s-1), and wind field (vectors, Unit: m·s-1) (g、h、i); 850 hPa geopotential height field (contours, Unit: dagpm), vertically integrated water vapor flux from the near-surface to 500 hPa (the color shaded, Unit: kg·m-1·s-1), and wind field (vectors, Unit: m·s-1) (j、k、l) (★ denotes the location with the highest frequency of RHEP occurrence, the gray shaded denotes topography, the black frame denotes the boundary of the study area north of the Qinling Mountains) |
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