STORAGE STRUCTURE AND SUPPLY CAPACITY OF KARST WATER IN NORTHERN XINGLONG COUNTY, HEBEI PROVINCE
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摘要:
河北省承德市兴隆县北部地区赋存丰富的岩溶水资源, 该岩熔水为当地居民生产生活用水的主要来源. 在1:5万水文地质调查研究中, 以岩溶水为主要研究对象, 查明了区内基础水文地质条件; 对岩溶含水岩组进行了划分, 查明了区域岩溶储水结构特征, 将研究区划分为滦河流域下游柳河流域主要储水结构及滦河流域下游柴白河流域主要储水结构. 在研究区实施探采结合孔3眼, 施工配套观测孔3眼, 对探采结合孔供水服务能力进行分析评估, 可为该地区岩溶地下水资源的合理开发利用提供科学依据.
Abstract:The abundant karst water resources in the northern Xinglong County of Chengde City, Hebei Province, serve as the major water supplies for production and daily life of local residents. The basic hydrogeological conditions in the area are identified with karst water as the main study object in the 1: 50 000 hydrogeological survey. Through the classification of water-bearing rock formations and analysis of the storage structure characteristics of regional karst water, the study area is divided into the main water storage structures of Liuhe river basin and Qaibai river basin in the lower reaches of Luanhe River Basin. Three exploration-mining combination boreholes and three construction matching observation wells are applied for the analysis and evaluation of water supply capacity of boreholes, to provide scientific basis for rational development and utilization of karst groundwater resources in the area.
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Key words:
- karst water /
- water storage structure /
- water supply capacity /
- water resource /
- Luanhe River Basin /
- Hebei Province
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表 1 含水岩组划分
Table 1. Classification of water-bearing rock formations
大类 亚类 次亚类 主要含水岩层 主要含水岩层岩性 碳酸盐岩裂隙溶洞含水岩组 1)奥陶系碳酸盐岩裂隙溶洞含水岩组(碳酸盐岩含量大于70%) —— 中下奥陶系统 灰岩、白云质灰岩、豹皮状灰岩、泥质条带灰岩等 2)寒武系碳酸盐岩裂隙溶洞含水岩组(碳酸盐岩含量大于70%) —— 炒米店组、崮山组、张夏组、馒头组、昌平组 灰岩、泥质条带灰岩、白云质灰岩等 3)蓟县系碳酸盐岩裂隙溶洞含水岩组 1)雾迷山组-高于庄组碳酸盐岩裂隙溶洞含水岩组(碳酸盐岩含量大于70%) 雾迷山组、杨庄组一段至二段、高于庄组一段至四段 中层及厚层状白云岩、砂质白云岩、泥质白云岩、硅质白云岩、白云质灰岩等 2)铁岭组碳酸盐岩裂隙溶洞含水岩组(碳酸盐岩含量50%~70%) 铁岭组 白云岩、含锰白云岩夹页岩、泥质白云岩等 4)长城系大红峪组碳酸盐岩裂隙溶洞含水岩组(碳酸盐岩含量50%~70%) —— 大红峪组 厚层石英砂岩夹硅质条带白云岩、页岩等 表 2 探采结合孔供水能力及服务对象一览表
Table 2. Water supply capacity and service objects of exploration-mining combination boreholes
井号 地点 服务方向 单井出水量/(m3/d) 主要灌溉对象 灌溉面积/hm2 饮水户数 ZK1 南大洼村 革命老区扶贫攻坚 400 蘑菇、蔬菜大棚及果园等 20 200 ZK2 拨东村 饮用水源地 2 200 农田 13 500 ZK3 跳沟村 灌溉水源地 1 900 山楂果园、葡萄园等 20 150 合计 4 500 53 850 -
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