Evaluation of vertical and lateral flow through agricultural loessial hillslopes using a two-dimensional computer simulation model

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    Abstract

    On four hill-slopes in the loess region of the Netherlands pressure heads were monitored during rain events with time intervals of five minutes. Water flow through these hill-slopes during erosive rain events in summer and winter was simulated two-dimensionally. These simulations showed that vertical flow is dominant during rain events, whereas lateral water transport is of minor importance. The average lateral water movement varied between 1.6 and 4.7% of the total water displacement. Therefore, it was decided to incorporate a one-dimensional water flow module into the soil erosion and hydrological model LISEM.
    Original languageEnglish
    Pages (from-to)1091-1105
    JournalHydrological Processes
    Volume10
    Issue number8
    DOIs
    Publication statusPublished - 1996

    Keywords

    • hydraulic conductivity
    • infiltration
    • loess soils
    • models
    • research
    • seepage
    • slopes

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