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| DOI | 10.1016/j.jes.2023.09.0381001-0742 |
| Development of a coupled model to simulate and assess arsenic contamination and impact factors in the Jinsha River Basin, China | |
| 发表日期 | 2025 |
| ISSN | 1001-0742 |
| EISSN | 1878-7320 |
| 起始页码 | 147 |
| 卷号 | 147 |
| 英文摘要 | With the increasing severity of arsenic (As) pollution, quantifying the environmental behavior of pollutant based on numerical model has become an important approach to determine the potential impacts and finalize the precise control strategies. Taking the industrialintensive Jinsha River Basin as typical area, a two-dimensional hydrodynamic water quality model coupled with Soil and Water Assessment Tool (SWAT) model was developed to accurately simulate the watershed -scale distribution and transport of As in the terrestrial and aquatic environment at high spatial and temporal resolution. The effects of hydro -climate change, hydropower station construction and non -point source emissions on As were quantified based on the coupled model. The result indicated that higher As concentration areas mainly centralized in urban districts and concentration slowly decreased from upstream to downstream. Due to the enhanced rainfall, the As concentration was significantly higher during the rainy season than the dry season. Hydro -climate change and the construction of hydropower station not only affected the dissolved As concentration, but also affected the adsorption and desorption of As in sediment. Furthermore, As concentration increased with the input of non -point source pollution, with the maximum increase about 30%, resulting that non -point sources contributed important pollutant impacts to waterways. The coupled model used in pollutant behavior analysis is general with high potential application to predict and mitigate water pollution. (c) 2024 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V. |
| 英文关键词 | Watershed system; Arsenic; Modeling; Distribution; Hydro-climate change; Non-point source pollution |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| WOS记录号 | WOS:001169497300001 |
| 来源期刊 | JOURNAL OF ENVIRONMENTAL SCIENCES
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/286783 |
| 作者单位 | Wuhan University; Wuhan University; China Institute of Water Resources & Hydropower Research; Wuhan University |
| 推荐引用方式 GB/T 7714 | . Development of a coupled model to simulate and assess arsenic contamination and impact factors in the Jinsha River Basin, China[J],2025,147. |
| APA | (2025).Development of a coupled model to simulate and assess arsenic contamination and impact factors in the Jinsha River Basin, China.JOURNAL OF ENVIRONMENTAL SCIENCES,147. |
| MLA | "Development of a coupled model to simulate and assess arsenic contamination and impact factors in the Jinsha River Basin, China".JOURNAL OF ENVIRONMENTAL SCIENCES 147(2025). |
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