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中文摘要：
采用定量分析方法,并借助GIS技术,分析关中-天水经济区栅格尺度上的水资源开发潜力,并对各区县的水资源承载力进行分析评价。结果发现：该经济区整体上水资源负载指数较大,为14.19,表明水资源利用程度较高,开发潜力小,仅关中西部和南部的部分地区水资源开发潜力还较大;关中—天水经济区水资源超载状况较为严重,平均人口超载率为422.40%,多数区县水资源承载力指数（WCCI）远大于1,实际人口数量远超过水资源可承载的人口数量,只有少数地区WCCI接近或小于1,即处于人水平衡或水资源盈余状态。针对不同地区的水资源承载状况,提出相应的应对措施。
英文摘要：
By using the quantitative analysis method and GIS technology,water resources development potential on grid scale was analyzed in the study area,and also water resources carrying state of all counties in the area was analysed and evaluated.The results showed that： the overall carrying index of water resources in Guanzhong-tianshui Economic Zone,that was 14.19,was high,meaning a high degree of water resources utilization and small development potential.Only in the western and some southern regions of Guanzhong,the water resources development potential was high.In addition,the phenomenon of water overloading was very serious in the zone,and the average rate of population overloading was 422.40 percent.In most counties,the index of water resources carrying capacity（WCCI） was much greater than 1,meaning the actual population was much more than that the water could carry,while only a few areas,where WCCI was close to or less than1,belonged to the districts of water balance or surplus.According to water resources carrying condition in different regions,corresponding countermeasures was finally put forward.
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