河流水环境系统中, 泥沙与水流是污染物的主要载体, 泥沙运动状态和吸持特征作为主要的两个方面, 共同作用于污染物在水体中的迁移转化过程, 从而最终影响着水体的生态环境条件的变化。目前 北京翻译公司关于天然河流中泥沙对水体磷作用过程及环境效应的研究还不够系统和深入, 尤其在结合泥沙运动和吸附解吸作用分析河流泥沙环境效应方面还存在明显不足。因此, 针对天然河流中泥沙与磷作用的特征和机制开展研究, 对三峡库区泥沙对水体磷的影响进行预测和模拟, 有助于丰富和完善河流泥沙对污染物作用的理论和方法, 并且为三峡库区水环境管理提供科学依据, 因而具有重要的理论和实践意义 北京翻译公司。
In river environment system, sediment and water flow is the main carrier of pollutants, sediment movement and retention as a major feature of the two, play roles in pollutants migration and transformation process in the water, which ultimately affect ecological conditions changes of the water body. Currently the studies on the effect of sediment in natural water on water phosphorus and environmental effects are not systematic and in-depth, especially in the analysis of river sediment environmental effects combining sediment movement and effect of adsorption and desorption. Therefore, carrying out research on characteristics and mechanisms of sediment and phosphorus effect in the natural river, forecasting and simulating the impact of sediment on water phosphorus in the Three Gorges reservoir area, will help to enrich and improve theory and method of the river sediment effect on pollutants, and provide a scientific basis for environmental management of the Three Gorges Reservoir water, Therefore, the paper has an important theoretical and practical significance.
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