形成异常降水的水汽来源主要是大气的水平运动输送。
The water vapor feeding the rainfall is mostly transported by the horizontal atmospheric motions from outside of the region rather than from local sources.
分析了淮河上游大暴雨过程的水汽来源和暴雨区的水分平衡。
The analysis of the source of the water vapour and the hydrologic balance of the heavy rainfall in the upper reaches of the Huaihe River is made.
降水量及其时空分布取决于水汽来源、天气系统、地理位置和地形等条件。
The precipitation amount and its space-time distribution depend on the source of water, weather system, geographic location and terrain conditions.
流域降水水汽来源复杂，时空分布变化大，降水对流域生态环境有着重要影响。
In HRB, water vapor sources for precipitation are complex and the spatial and temporal distribution varies greatly.
结果表明：向南运动的高层偏北风急流下沉支与低空急流上升支组成低涡切变系统是主要影响天气系统；水汽主要来源于孟加拉湾和南海，但东部海区水汽输送也不可忽视。
The low level shear system, which is composed of the southward downdraft branch of upper level northern jet and the ascend branch of low level jet, is the main synoptic system.
结果表明：向南运动的高层偏北风急流下沉支与低空急流上升支组成低涡切变系统是主要影响天气系统；水汽主要来源于孟加拉湾和南海，但东部海区水汽输送也不可忽视。
The low level shear system, which is composed of the southward downdraft branch of upper level northern jet and the ascend branch of low level jet, is the main synoptic system.
应用推荐