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China/Asia On Demand
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Water Resources of Xijiang river basin and characteristics
Author(s): 
Pages: 44-45
Year: Issue:  10
Journal: YANGTZE RIVER

Keyword:  水资源量径流特性流量变化西江流域;
Abstract: 西江是珠江流域的主干河流,发源于云南省曲靖市乌蒙山余脉的马雄山东麓,干流自西向东流经云南、贵州、广西、广东4省(区),至广东省三水市,全长2 075 km,平均坡降0.58‰,集水面积353 120 km2.根据流域内主要水文站的实测资料,从径流量的地区分布、年内分配、多年变化幅度、多年变化的丰枯水阶段、连丰连枯段等方面分析了西江流域的径流特性.西江流域水资源量丰富,但地区分布不均,流域水资源量变化的总趋势是从东南向西北递减.受降水季节分配影响,水资源量年内分配不均,汛期水量约占年水量的80%以上.
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