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中文摘要：
以大凌河为背景，围绕生态环境与水资源的关系，确定了大凌河河道生态环境需水量计算模型，对大凌河的消耗型与非消耗型生态环境需水量进行计算，并对非消耗型需水量进行逐月过程分析。结果表明：上窝堡站、朝阳站、义县站、凌海站每年非消耗型需水量分别为0．741×10^8m^3,4．447×10^8m^3,4．588×10^8m^3，13．092×10^8m^3；消耗型需水量中，蒸发需水量为0．019×10^8m^3，渗漏需水量因河道常年无明显断流现象而不作考虑。
英文摘要：
A set of eco-environmental water requirements calculative model for the relationship between ecological environment and water resources was determined in Daling River. The consumption and non-consump tion eco-environmental water requirements, especially the mensal non-consumption were studied. The results showed that the non-consumptive water demand was 0.741×10^8m^3 for Shangwobao, 4.447×10^8m^3 for Chaoyang, 4.588×10^8m^3 for Yixian and 13.092×10^8m^3 for Linghai. The results of consumptive water demand showed that evaporative water requirement was 0.019×10^8m^3, and leakage water demand was not considered.
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