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出入境水量,是指实际发生的进、出南阳市境地表径流总量,包括丹江水系入境、唐白河水系入境水量和长江流域出境、淮河流域出境水量。文章根据多年区域水文监测资料,对南阳市降水和径流时空分布及变化特征进行计算,分析了南阳市出、入境水量的变化特征,为区域水资源可持续开发利用规划提供参考依据。
The amount of water for entry and exit refers to the total amount of surface runoff that actually occurs in and out of Nanyang City, including the entry of the Danjiang River system, the entry of Tangbai River water system and the exit of the Yangtze River basin and the exit of the Huaihe River. Based on the multi-year regional hydrological monitoring data, the spatial-temporal distribution and variation characteristics of precipitation and runoff in Nanyang were calculated. The changing characteristics of the water volume in and out of Nanyang were analyzed, which provided a reference for the sustainable development and utilization planning of regional water resources.