Assessing Nutrient, Biomass, and Sediment Transport of Drainage Ditches in the Three Gorges Reservoir Area
文献类型：期刊论文
| 作者 | Kumwimba, Mathieu Nsenga1,2,3,4 ; Zhu, Bo1,2; Dong, Zhixin1,2; Tang, Jialiang1,2; Wang, Tao1,2; Xiao, Liwei1,2; Muyembe, Diana Kavidia5
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| 刊名 | CLEAN-SOIL AIR WATER
 |
| 出版日期 | 2017 |
| 卷号 | 45期号:1页码:doi:10.1007/s11368-016-1619-7 |
| ISSN号 | 1863-0650 |
| 关键词 | Agrochemical retention Eutrophication Land use types Non-point source pollution Wetland plants |
| 通讯作者 | Zhixin Dong |
| 英文摘要 | The contributions of drainage ditches to the accelerated eutrophication of rivers have rarely been assessed, especially for the Three Gorges Reservoir (TGR) drainage ditches. Forty drainage ditches in the TGR from multiple land use types were extensively investigated for 10 parameters of water quality. The results showed that the concentrations of total nitrogen (TN) and total phosphorus (TP) in the TGR drainage ditches were generally far higher than the internationally recognized eutrophication threshold. Based on this study, both ditch water and sediments from residential land and roadside land had the highest concentrations of nutrients. Possible sources of these nutrients include sewage water and septic tank overflow. Forestland had significantly lower concentrations of nutrients. Residential ditches had higher values of electrical conductivity (EC) and total dissolved solid (TDS) values and lower dissolved oxygen (DO) concentrations. Forestland had lower values of EC and TDS values and higher DO concentrations. The results indicate that the nutrients that have accumulated in the sediments have significant impacts on the water quality in adjacent ditches. A long-term plan must be developed to more strictly control the external loading of nutrients from surrounding land. Action plans to promote the growth of wetland plants in drainage ditches are important for increasing agrochemical retention in the TGR drainage ditches. TGR drainage ditches from residential zones must be actively managed by cleaning and sediment removal to control the risk of nutrients being released into the reservoir. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences |
| 类目[WOS] | Environmental Sciences ; Marine & Freshwater Biology ; Water Resources |
| 研究领域[WOS] | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
| 关键词[WOS] | LAND-USE CHANGE ; WASTE-WATER TREATMENT ; USE CHANGE SCENARIOS ; CONSTRUCTED WETLANDS ; FRESH-WATER ; HYDROLOGICAL VARIABILITY ; AQUATIC MACROPHYTES ; SURFACE RUNOFF ; YANGTZE-RIVER ; PADDY FIELD |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000394421400008 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/17952]  |
| 专题 | 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 成都山地灾害与环境研究所_山地灾害与地表过程重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China 2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu, Peoples R China 3.Univ Chinese Acad Sci, Beijing, Peoples R China 4.Univ Lubumbashi, Fac Agron, Dept Nat Resources & Environm Management, Lubumbashi, DEM REP CONGO 5.Southwest Jiaotong Univ, Sch Life Sci & Engn, Chengdu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Kumwimba, Mathieu Nsenga,Zhu, Bo,Dong, Zhixin,et al. Assessing Nutrient, Biomass, and Sediment Transport of Drainage Ditches in the Three Gorges Reservoir Area[J]. CLEAN-SOIL AIR WATER,2017,45(1):doi:10.1007/s11368-016-1619-7. |
| APA | Kumwimba, Mathieu Nsenga.,Zhu, Bo.,Dong, Zhixin.,Tang, Jialiang.,Wang, Tao.,...&Muyembe, Diana Kavidia.(2017).Assessing Nutrient, Biomass, and Sediment Transport of Drainage Ditches in the Three Gorges Reservoir Area.CLEAN-SOIL AIR WATER,45(1),doi:10.1007/s11368-016-1619-7. |
| MLA | Kumwimba, Mathieu Nsenga,et al."Assessing Nutrient, Biomass, and Sediment Transport of Drainage Ditches in the Three Gorges Reservoir Area".CLEAN-SOIL AIR WATER 45.1(2017):doi:10.1007/s11368-016-1619-7. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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