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Kinematic wave approximations to hillslope hydrological processes in tills
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
2000 (English)In: Hydrological Processes, ISSN 0885-6087, E-ISSN 1099-1085, Vol. 14, no 4, 727-745 p.Article in journal (Refereed) Published
Abstract [en]

This work has been carried out within the framework of NOPEX - a NOrthern hemisphere climate Processes land surface EXperiment. Its purpose is to describe the spatial variability of groundwater levels and soil moisture content and their influence on runoff generation in small catchments in a landscape dominated by boreal forest and till soils, which is characteristic for the Nordic countries. Kinematic wave approximations have been used to describe saturated subsurface flow and saturation overland flow in hillslopes with a thin soil layer overlying a relatively impermeable bedrock. Simultaneous analyses of catchment runoff, groundwater-table depths and soil moisture in the unsaturated zone have been performed by including the kinematic wave descriptions in a precipitation-runoff model. The results have been compared with observed hydrographs and spatial patterns of groundwater levels and soil moisture content in two small experimental catchments. Results from this study indicate that is reasonable to apply the same parameter set when describing hydrological processes in computational elements with similar characteristics at a scale of about 1 km(2) in the NOPEX area. 

Place, publisher, year, edition, pages
2000. Vol. 14, no 4, 727-745 p.
Keyword [en]
kinematic wave, till deposits, groundwater flow, saturation overland flow, precipitation-runoff model
National Category
Oceanography, Hydrology, Water Resources
URN: urn:nbn:se:uu:diva-140518DOI: 10.1002/(SICI)1099-1085(200003)14:4<727::AID-HYP969>3.0.CO;2-DISI: 000086247100006OAI: oai:DiVA.org:uu-140518DiVA: diva2:383739
Available from: 2011-01-05 Created: 2011-01-05 Last updated: 2012-08-02Bibliographically approved

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Oceanography, Hydrology, Water Resources

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