Journal of Korean Society of Rural Planning (농촌계획)

Korean Society of Rural Planning (한국농촌계획학회)
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Analysis of Soil Erosion Vulnerability at Alpine Agricultural Fields of HongCheon County

홍천군 산지농업지대의 토양침식취약성 분석

  • 김기성 (강원대학교 농업생명과학대학) ;
  • 허성구 (강원대학교 대학원) ;
  • 정영상 (강원대학교 농업생명과학대학) ;
  • 김지만 (강원대학교 대학원) ;
  • 임경재 (강원대학교 농업생명과학대학)
  • Published : 2005.06.25
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Abstract

It has been well known that soil erosion and sediments from alpine agricultural fields are causing severe water quality and turbidity problems in receiving waters. Also these result in the loss of money because farmers have to buy top soils to provide enough root zone in the following year. Thus, there have been needs to reduce soil erosion and sediment discharge into the stream networks. To accomplish this end, an effective erosion control plans should be developed based on scientific research, not by rule of thumb. The Universal Soil Loss Equation (USLE) has been widely used to estimate the soil erosion in many countries over the years. In this study, the USLE was used to estimate soil erosion potential under different cropping scenarios in HongCheon County, Kangwon. The soil erosion potential for continuous corn cropping was the highest compared with those from continuous potato find average cropping scenarios. This indicates the soil erosion plans need to be established considering cropping system in the field. The Unit Stream Power Erosion-Deposition (USPED) was applied for HongCheon County to estimate soil erosion and deposition areas. The USPED estimated results can be used to complement USLE results in developing effective erosion control plans.

Keywords

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