Surface water resources in Liaohe river basin middle and downstream are poor.
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2. 工业污染对辽河流域造成的水环境问题较为严重。
The water environmental problems caused by industrial pollution were serious in Liao River Basin.
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3. 在沿海平原和辽河流域盐碱土上很难种植旱地作物。
It was difficult for upland crops to grow on the saline-alkali soil in the coastal plain and Liaohe river regions.
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4. 该时期辽河流域的环境十分优良，森林浓密，水草丰茂。
The environment of Liaohe area was fine in this period, the forest is dense and the pasture is lush.
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5. 西辽河流域的环境史研究取得了一些成就，但总体而言比较薄弱。
In the West Liao River Basin, some achievements of the study of environmental history has been obtained with some shorts.
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6. 本文以辽宁省辽河流域为例，对流域防洪体系效果进行评价研究。
The paper takes LiaoHe river basin in LiaoNing province as an example and conducts the effect evaluation of flood control system.
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7. 基于具体建设需求分析，构建了辽河流域水质目标管理技术平台的详细架构。
According to the construction demand analysis, detailed architecture of water-quality target management technology platform in the Liaohe River basin was established.
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8. 结果表明：辽河流域地表水水质污染以有机污染为主，点源污染重于面源污染。
The result indicates that the pollution of surface water in Liaohe river basin is mainly the organic pollution, the point source polluted is weighter than the surface pollution.
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9. 对辽河流域铁岭段水质现状进行分析评价，并对辽河铁岭段的地表水水资源保护提出建议。
At last, it analyzes and evaluates water quality in Liaohe area and Tieling area and issues some advice how to protect surface water resources.
Because of high ratio of heavy industry and neglect of protecting the water environment, Liao river Basin has become one of the most polluted rivers in China.
The species of pollutants in the water body were introduced, and the occurrence of PAHs, OCPs, PCBs and other toxic substances in Liaohe Basin was reviewed.
The results show that annual runoff in main rivers of China has large nonuniformity, especially larger in Haihe River Basin, Huaihe River Basin, Songhua River Basin and Liao River Basin;
The article analyzes characteristics of basin of sediment, sediment sources, sediment extended range changes, and sediment on the Liaohe of Liuhe. Liuhe river basin; sediment sources.
The article analyzes characteristics of basin of sediment, sediment sources, sediment extended range changes, and sediment on the Liaohe of Liuhe. Liuhe river basin; sediment sources.
