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| DOI | 10.3389/fenvs.2024.1297289 |
| Efficiency analysis of best management practices under climate change conditions in the So-okcheon watershed, South Korea | |
| 发表日期 | 2024 |
| EISSN | 2296-665X |
| 起始页码 | 12 |
| 卷号 | 12 |
| 英文摘要 | Best management practices (BMPs) are widely applied to address water quality degradation issues attributed to non-point source pollutants. The objective of this study was to assess the efficiency of two types of BMPs, vegetation filter strips (VFS) and wetlands, in reducing total nitrogen (TN) and total phosphorus (TP) in a watershed, and to investigate whether the efficiency of the two BMPs is maintained under future climate scenarios by employing the Soil and Water Assessment Tool (SWAT). A set of parameters was calibrated using the SWAT Calibration and Uncertainty Program (SWAT-CUP) to ensure acceptable simulation results. Three BMP scenarios were developed by applying VFS and wetlands individually and in combination. Projected climate data from 18 global circulation models under Shared Socioeconomic Pathways (SSP1-2.6, SSP2-4.5, SSP3-7.0, and SSP5-8.5) were used to depict climate change conditions. VFS demonstrated 18.2% and 22.9% greater reduction efficiency for TN and TP, respectively, relative to wetlands. When the two BMPs were simultaneously applied, the reduction efficiency was even greater than that of single-BMP implementation (by 7.4% for TN and 6.8% for TP compared to VFS alone and by 25.5% for TN and 29.7% for TP compared to wetlands alone). To assess the effect of climate change, the model simulated results for the period of 2021-2,100. The differences in efficiency between the combined BMP scenario and the individual BMPs increased with greater intensity of climate change, especially in the distant future. Therefore, this study supports the effectiveness of nutrient pollution control by applying multiple BMPs rather than by applying individual BMPs. Furthermore, this research underscores the adaptability and reliability of natural-based solutions in mitigating non-point source pollution in a changing climate, which is essential for effective ecological restoration in complex urban-agricultural landscapes. The study provides valuable insights for watershed managers and policymakers seeking effective strategies to combat nutrient pollution in the face of a changing climate within the unique landscape of South Korea. |
| 英文关键词 | best management practices; nature-based solutions; reduction efficiency; climate change; NPS control |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| WOS记录号 | WOS:001176086500001 |
| 来源期刊 | FRONTIERS IN ENVIRONMENTAL SCIENCE
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/308262 |
| 作者单位 | Korea University; University of Seoul |
| 推荐引用方式 GB/T 7714 | . Efficiency analysis of best management practices under climate change conditions in the So-okcheon watershed, South Korea[J],2024,12. |
| APA | (2024).Efficiency analysis of best management practices under climate change conditions in the So-okcheon watershed, South Korea.FRONTIERS IN ENVIRONMENTAL SCIENCE,12. |
| MLA | "Efficiency analysis of best management practices under climate change conditions in the So-okcheon watershed, South Korea".FRONTIERS IN ENVIRONMENTAL SCIENCE 12(2024). |
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