SUITABILITY ASSESSMENT FOR SHALLOW GEOTHERMAL ENERGY IN EASTERN SHANDONG AREA BASED ON ANALYSIS HIERARCHY PROCESS
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摘要: 层次分析法(AHP)是一种定性和定量分析相结合的多目标决策分析方法,在很多领域都得到广泛的应用。运用层次分析法分别建立地下水热泵和地埋管热泵适宜分区评价体系,进而对鲁东地区浅层地热能适宜性分区进行综合评价。鲁东地下水热泵适宜性分区根据水文地质条件划分为适宜区、较适宜区、一般适宜区及不适宜区;地埋管热泵经济性分区根据地质条件和投资成本划分为经济区、较经济区及一般经济区;综合分区在适宜性和经济性分区的基础上进行,在适合地下水热泵的地区优先选择地下水热泵。用该方法得出的分区结果合理可靠,为鲁东地区浅层地热能的开发利用提供了科学依据和支持。Abstract: The Analysis Hierarchy Process (AHP) is a multi-objective analysis method for decision-making process based on both qualitative and quantitative data, which has been widely used in many fields.In this paper, we build a suitability assessment system for groundwater and buried pipeline heat pumps to assess the suitability for use of shallow geothermal energy in eastern Shandong area using the AHP. According to the hydro geological conditions, the groundwater heat pump area is divided into suitable, general suitable and unsuitable subareas. According to geological conditions and the investment costs, the buried pipeline heat pump economic area is divided into economic, less economic and general economic subareas. Groundwater heat pump was selected as the priority for the area where is suitable for ground water heat pump. The result of suitability division is proved reasonable and reliable. The assessment will provide a scientific basis and supporting system for the development and utilization of shallow geothermal energy in eastern Shandong area.
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