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A Study on Selection and Measures of the Apprehensive Areas of Soil Loss in the So-ok Stream Watershed

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2012, 21(5), pp.617-629
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Dong-Hwan Jeong 1 Kim Hae Jung 2 이영준 1 Seonhaw Hong 1 윤조희 1 최희락 1 조홍래 2

1국립환경과학원
2(주)하이드로코어

Accredited

ABSTRACT

This study aims to find out critical areas of a soil loss and propose feasible measures to reduce the water quality deterioration by a soil lose. As a study area, the So-ok stream catchment locating at the upper area of Daecheong Reservoir is selected and intensive field observation was carried out. RUSLE model is applied to assess the impact of the pollution migration by a soil ross from the critical areas during storms on the water quality of Chusori embayment. As results, total amount of the soil ross assessed against to the critical area on which major type of land use is a orchard for fruits is 54.3 ton/ha/yr and that of an abandoned mine site is about 200 ton/ha/year. In particular as effective measures, a plantation of an appropriate species of fruit trees and an application of ecologic restoration schemes are proposed against to the orchard and the abandoned mine site, respectively.

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