气候变化领域集成服务门户(CCPortal): Efficiency analysis of best management practices under climate change conditions in the So-okcheon watershed, South Korea

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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
	Kim, Yoonji; Yu, Jieun; Lee, Sangchul; Jeon, Seongwoo
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/308263
作者单位	Korea University; University of Seoul
推荐引用方式 GB/T 7714	Kim, Yoonji,Yu, Jieun,Lee, Sangchul,et al. Efficiency analysis of best management practices under climate change conditions in the So-okcheon watershed, South Korea[J],2024,12.
APA	Kim, Yoonji,Yu, Jieun,Lee, Sangchul,&Jeon, Seongwoo.(2024).Efficiency analysis of best management practices under climate change conditions in the So-okcheon watershed, South Korea.FRONTIERS IN ENVIRONMENTAL SCIENCE,12.
MLA	Kim, Yoonji,et al."Efficiency analysis of best management practices under climate change conditions in the So-okcheon watershed, South Korea".FRONTIERS IN ENVIRONMENTAL SCIENCE 12(2024).