Modeling water regime in a small watershed

0196284 - UH-J 20033009 RIV CZ eng C - Conference Paper (international conference)
Vogel, T. - Tesař, Miroslav - Císlerová, M.
Modeling water regime in a small watershed.
Hydrologie půdy v malém povodí. Praha: Ústav pro hydrodynamiku AV ČR, 2003 - (Šír, M.; Lichner, Ľ.; Tesař, M.), s. 127-136. ISBN 80-02-01586-X.
[Hydrologie půdy v malém povodí. Praha (CZ), 15.10.2003]
R&D Projects: GA AV ČR IAA3060001
Institutional research plan: CEZ:AV0Z2060917
Keywords : Soil water regime * Subsurface runoff generation * Rainfall-runoff event
Subject RIV: DA - Hydrology ; Limnology

The paper is focused on the role of the soil water regime in formation of subsurface runoff. One-dimensional dual-permeability model is used to simulate variably saturated movement of water in the soil, in which preferential flow effects were reported. Simulated pressure head variations are compared with the available tensiometric observations. A possible conceptual model of prevailing water transfer mechanism in a hillslope segment is presented. The shallow subsurface flow is approximated by one-dimensional saturated flow along the inclined soil-bedrock interface. For a selected growing season, the model generated hillslope hydrograph is compared with the observed stream hydrograph. The simulated subsurface runoff peaks compare well with the measured stream discharge peaks.
Permanent Link: http://hdl.handle.net/11104/0091921