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1 造成库区水量不平衡原因的探讨根据对流域区间内的水利设施及有关部门和重点用水大户开发利用还原水量调查,区间水量不是造成库区水量不平衡问题的主要因素。鸭河口库区所在的南召县未有碳酸盐岩类地层出露,难以形成水量大量漏失。从1992年前发布的水资源年报有关鸭河口库区上下游水量平衡关系分析,可以排除白土岗二站以下存在水量漏失的问题。鉴于1990～
1 Discussion on the Reasons for Unbalanced Water Volume in Reservoirs Based on the investigation of the development and utilization of reduced water resources in the water conservancy facilities in the drainage area and related departments and major water users, the inter-area water supply is not the main factor causing the water imbalance in the reservoir area. Nanzhao County, where Duck Estuary reservoir area is located, is not exposed by carbonate strata, so it is difficult to form a large amount of water loss. According to the analysis of the water balance in the upstream and downstream of Duhekou reservoir area, the Annual Report of Water Resources released before 1992 can eliminate the problem of water loss under the No.2 station of Baijigang. Given 1990 ~