Suitability Zonation for Groundwater Source Heat Pumps in Xi’an
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Abstract:
The suitability evaluation system of groundwater source heat pumps was constructed based on the hydrogeological and environmental conditions in Xi’an. The comprehensive weight of each evaluation index was determined using the combination method of subjective weighting method (analytic hierarchy process method) and objective weighting method (entropy method) based on the minimum information theory. On the basis of the determined scoring system, the comprehensive index method was used to determine the suitability zonation results of groundwater source heat pumps in Xi’an. The results indicated that the more suitable area for groundwater source heat pumps is about 171.228 km2, the less suitable area is 369.234 km2, the unsuitable area is 160.407 km2, and the construction forbidden area is 131.002 km2. The results can provide a scientific basis for planning and site selection of water source heat pumps in Xi’an.
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