基于水质、水量和生态需水量的水资源联合评价——以挠力河干流域为例

The Combined Evaluation of Water Resources Based on the Quality and Quantity of Water and Ecological Water Demand——A Case of Main River Basin of Naoli River

针对三江平原挠力河干流域的水资源情况,采用ArcGIS提取相关数据,并建立了变化环境下水资源综合评价模型,充分考虑到水资源的水质、水量以及河流生态需水量的变化,对水资源进行评价。结果表明,在满足其生态需水的条件下,挠力河干流域上游、中游和下游的可提取用水量分别为3.07亿、2.27亿和0.74亿m3。该研究为今后该流域的水资源优化调度提供理论依据。

Aiming at water resource situation of the main river basin of Naoli River of Sanjiang Plain,using ArcGIS for data extraction,a changing environment comprehensive evaluation model of water resources was established,taking fully into account water quality,water quantity and river ecological water demand changes,evaluation was conducted.The results indicate that under the situation that meet ecological water demand,water of upstream,midstream and downstream of main river basin can be extracted were 307 million,227 million and 74 million m3,so as to provide theoretical basis for optimal regulation on water resources.