Grid-Based KlneMatic Wave STOrm Funoff Yoncheon Dam watershed.

격자기반의 운동파 강우유출모형 개발(II) - 적용 예(연천댐 유역을 대상으로) -

  • 김성준 (건국대학교 농공학과) ;
  • 채효석 (한국수자원공사 수자원연구소) ;
  • 신사철 (안동대학교 토목환경공학과)
  • Published : 1998.06.01

Abstract

The grid-based KIneMatic wave STOrm Runoff Model (KIMSTORM) was applied to YoncheonDam watershed (1,875km2) located in the Imjin river basin of the Korea. Six maps which are DEM(Digital Elevation Model), stream, flow path, soil, land use and Thiessen network, were used for input data. The simulated streamflows resulting from two selected storm events agreed well with the observed flows at the watershed outlet. The results of temporal variations and spatial distributions are presented by using GRASS. Keyword : grid-based, storm-runoff model, GRASS-GIS, Yoncheon dam watershed.

개발한 격자기반의 운동파 강우-유출모형의 적용가능성을 검토하기 위하여 임진강유역내의 연천댐 유역(1,875km2)에 적용하였다. 모형의 입력자료로는 수치고도모형, 하천도, 흐름방향도, 토양도, 토지피복도, 티센망도 등 6개의 도형자료를 이용하였다. '90년 및 '96년도에 발생한 홍수사상과 비교하였는바, 모형의 결과는 양호하였다. 출력결과인 시간별 지표유출 분포도로부터 유역에서 발생된 유출양상을 공간적으로 확인할 수 있었다.

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