한국수자원학회논문집 (Journal of Korea Water Resources Association)

  • 제38권5호
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  • Pages.345-354
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  • 2005
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  • 2799-8746(pISSN)
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  • 2799-8754(eISSN)
한국수자원학회 (Korea Water Resources Association)
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설마천 유역 범륜사사면의 토양수분 시공간 집중변화양상의 측정

Spatial-temporal Distribution of Soil Moisture at Bumreunsa Hillslope of Sulmachun Watershed Through an Intensive Monitoring

  • 이가영 (부산대학교 환경공학과) ;
  • 김기훈 (부산대학교 환경공학과) ;
  • 오경준 (부산대학교 환경공학과) ;
  • 김상현 (부산대학교 공과대학 환경공학과)
  • Lee, Ga-Young (Dept. of Environmental Engrg. Pusan National Univ.) ;
  • Kim, Ki-Hoon (Dept. of Environmental Engrg. Pusan National Univ.) ;
  • Oh, Kyung-Joon (Dept. of Environmental Engrg. Pusan National Univ.) ;
  • Kim, Sang-Hyun (Dept. of Environmental Engrg. Pusan National Univ.)
  • 발행 : 2005.05.01
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초록

국내 산지사면에서의 토양수분의 시공간적 분포를 파악하기 위한 동축 다중체계의 TDR (Time Domain Reflectometry)을 설마천 유역의 범륜사 사면에 구축하고 토양수분 집중 모니터링을 실시하였다. 대상사면을 정밀 측량하여 정밀 수치지형모형(Digital Elevation Model)을 구축하고 흐름분배알고리즘에 적용하여 측정지점을 선정하였고 역 측량을 통한 효율적인 측정 체계를 구축하였다. 2003년 11월중의 380시간 동안의 집중 모니터링을 통한 토양수분 자료를 확보하였다. 확보된 토양수분자료는 대상사면의 지형분석을 통해 구분된 상부, 중부, 하부사면의 변화특성을 보여주고 있다. 물리적 수문 모형의 구성과정에서 중요한 의미를 부여하는 토양수분 실측치와의 유의성을 논의하였다.

Time Domain Reflectometry (TDR) with multiplex system has been installed to configure the spatial and temporal characteristics of soil moisture at the Bumreunsa hillslope of Sulmachun Watershed. An intensive surveying was performed to build a refined digital elevation model (DEM) and flow determination algorithms with inverse surveying have been applied to establish an efficient soil moisture monitoring system. Soil moisture data were collected through intensive monitoring during 380 hrs in November of 2003. Soil moisture data shows corresponding variation characteristics of soil moisture on the upper, middle and lower parts of the hillslope which were classified from terrain analysis. Measured soil moisture data have been discussed on the context of physical process of hydrological modeling.

키워드

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