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伴随着地下水热泵空调系统的广泛应用,未注重水文地质条件的热泵工程渐多,导致地下水回灌难,浪费了地下水资源,开展热泵系统应用的适宜区划分极为必要。针对北京平原区的水文地质条件,确定了影响地下水热泵系统发展的主要因素,利用GIS技术对浅层地下水含水层导水系数、有效导水系数、水质等因素图层进行了叠加分析,并统筹考虑水源地保护区和地面沉降区,将平原区分为适宜发展区、较适宜发展区、限制发展区和禁止发展区。
With the extensive application of groundwater heat pump air conditioning systems, heat pump projects that do not pay attention to the hydrogeological conditions are getting more and more, resulting in difficulty of groundwater recharge and waste of groundwater resources. It is necessary to carry out the appropriate zoning of heat pump systems. According to the hydrogeological conditions in Beijing plain area, the main factors influencing the development of groundwater heat pump system were determined. By using GIS technology, the factors such as water conductivity coefficient, effective conductance coefficient and water quality of shallow groundwater aquifer were superimposedly analyzed and co-ordinated Considering protected areas of water sources and land subsidence areas, the plains are divided into suitable development areas, more suitable development areas, restricted development areas and no-growth zones.