| 河流水沙运动对污染物迁移转化效应研究进展 |
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| 引用本文： | 唐洪武,袁赛瑜,肖 洋.河流水沙运动对污染物迁移转化效应研究进展[J].水科学进展,2014,25(1):139-147. |
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| 作者姓名： | 唐洪武 袁赛瑜 肖 洋 |
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| 作者单位： | 河海大学水文水资源与水利工程科学国家重点实验室, 江苏南京 210098 |
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| 基金项目： | 国家自然科学基金资助项目（51239003； 51125034） |
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| 摘 要： | 河道内水流和泥沙是污染物迁移转化的主要载体，研究河道内污染物迁移转化过程以及水沙运动对其影响对于治理日益恶化的河流水环境非常重要。结合国内外研究最新动态，对水沙运动作用下污染物迁移转化的试验研究、作用机理、理论模式和数学模型等进行了总结和概述，重点对几种典型的理论模式和数学模型进行了比较分析。目前河流水沙运动对污染物迁移转化效应相关研究存在试验方法比较局限、作用机理存在分歧、理论模式和数学模型不完备等问题，需要进一步进行室内和野外试验技术创新、颗粒界面动力学的微观探索以及污染物在上下覆水和界面上迁移转化理论研究。对河流水沙运动对污染物迁移转化效应研究的研究方向提出了展望。
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| 关 键 词： | 河流 水沙 污染物迁移转化 上覆水 孔隙水 |
| 收稿时间： | 2013-08-01 |
Effects of flow and sediment on the transport and transformation of pollutants in rivers: A review |
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| TANG Hongwu,YUAN Saiyu,XIAO Yang.Effects of flow and sediment on the transport and transformation of pollutants in rivers: A review[J].Advances in Water Science,2014,25(1):139-147. |
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| Authors: | TANG Hongwu YUAN Saiyu XIAO Yang |
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| Affiliation: | State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China |
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| Abstract: | Flow and sediment are known to be the main carriers of the transport and transformation of pollutants in rivers, and a better understanding of the effect of flow and sediment is therefore of crucial importance for the management of deteriorating water environment. This paper reviews the experimental studies on the effect of flow and sediment on the transport and transformation of pollutants in water, underlying mechanisms, and existing theoretical and mathematical models. In particular, a comparison is made between several models. However, it should be noted that there are some limitations in the experimental methods, the exact mechanism remains controversial, and the theoretical and mathematical models available seem to be not sufficient to characterize the transport-transformation process of pollutants. This underscores the need for further laboratory and field experiments on the interface kinetics of the particles, and theoretical investigation of the transport-transformation process of pollutant in the overlying or underlying water. At last, some directions for further studies are suggested in the study. |
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| Keywords: | river flow and sediment transport-transformation of pollutants overlaying water interstitial water |
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