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2024 Vol.66, Issue 2 Preview Page
Analysis of the Effects on Soil Erosion and Suspended Sediment Reduction by Alpine Unauthorized and Illegal Agricultural Fields Restoration Scenarios

고랭지 임의⋅불법 경작지 복구 시나리오에 따른 토양유실 및 부유사량 저감 효과 분석

Seoro Leea
,
Gwanjae Leeb†
이 서로a
,
이 관재b†
aPost Doctoral Research Fellow, Department of Regional Infrastructure Engineering, Kangwon National University
bDirector, ILEM Research Institute
a강원대학교 지역인프라공학과 박사후연구원
bILEM 연구소장
† Corresponding author Tel.: 010-2950-8151 E-mail: lkj8151@kangwon.ac.kr
2024. pp. 53-62
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Abstract

This study assessed the efficiency of reducing soil erosion and suspended sediment through the restoration of alpine unauthorized and illegally cultivated fields, using the SWAT (Soil and Water Assessment Tool) model in the Mandae District. The results showed that in Scenario 5, which involved restoring unauthorized and illegal fields within forests, along rivers (banks), and in ditch areas were restored to their original land categories, achieved the highest efficiency in reducing average annual soil erosion and suspended sediment, with reductions of 8.1% and 4.5%, respectively. In particular, it was confirmed that the restoration of unauthorized and illegal fields within forested areas has a significant impact. This demonstrated that the restoration of unauthorized and illegal agricultural fields can substantially reduce the soil erosion and suspended sediment attributable to non-point source pollution. Our findings highlight the importance of managing these unauthorized and illegal agricultural activities in developing sustainable strategies within non-point source pollution management areas. This study is expected to provide important basic data to effectively establish water quality improvement strategies in the region of non-point source pollution management.

Keywords
Unauthorized and illegal agricultural fields
soil erosion and suspended sediment reduction
SWAT
restoration scenarios
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Information
  • Publisher :The Korean Society of Agricultural Engineers
  • Publisher(Ko) :한국농공학회
  • Journal Title :Journal of Korean Society of Agricultural Engineers
  • Journal Title(Ko) :한국농공학회논문집
  • Volume : 66
  • No :2
  • Pages :53-62
  • Received Date : 2024-02-27
  • Revised Date : 2024-03-06
  • Accepted Date : 2024-03-07
  • DOI :https://doi.org/10.5389/KSAE.2024.66.2.053
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