Water for future (물과 미래)

Korea Water Resources Association (한국수자원학회)
권호 표지

Surface Saturation Area-Subsurface Outflow-Soil Moisture Storage Relationships: I. Steady-State Analysis

지표포화지역-중간류유출-흙수분저류량 관계: I. 정상류 분석

  • 이도훈 (경희대학교 토목공학과) ;
  • 이은태 (경희대학교 토목공학과)
  • Published : 1995.10.01
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Abstract

In this study we derived steady-state relationships between surface saturation area and subsurface outflow, and between surface saturation area and soil moisture storage through numerical experiments with Richards equation on a hillslope. Numerical experiments analyzed the sensitivity of topographic and soil hydraulic properties on steady-state relationships between surface saturation area and subsurface outflow. And the power law for the extent of surface saturation area was determined as a function of subsurface outflow or soil moisture storage.

다공성 매질에서의 불포화-포화 흐름을 묘사하는 Richards 방정식을 이용한 수치실험을 통하여 경사면에서 지표포화지역-중간류유출 정상류 관계 및 지표포화지역-흙수분저류량 정상류 관계를 유도하였다. 수치실험에서는 지형인자 및 토양 수리특성의 변화가 지표포화지역-중간류유출 관계에 미치는 민감도를 분석하고, 지표포화지역을 중간류유출 또는 흙수분저류량의 함수로 표시하는 멱법칙을 결정하였다.

Keywords

References

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