Sürdürülebilir Yeşil Kampüs Koleksiyonu / Sustainable Green Campus Collection

Permanent URI for this collectionhttps://hdl.handle.net/11147/7755

Browse

Filters

2001 - 20042

Settings

Scopus Q: search.filters.scopusQuartile.Q3Subject: search.filters.subject.Infiltration

Search Results

Now showing 1 - 2 of 2
  • Article
    Citation - WoS: 10
    Citation - Scopus: 14
    Numerical Model for Sediment Transport Over Nonplanar, Nonhomogeneous Surfaces
    (American Society of Civil Engineers (ASCE), 2004) Tayfur, Gökmen; Singh, Vijay P.
    Sediment transport on surfaces with spatially variable microtopography, roughness, and infiltration was investigated using the diffusion wave equation. An implicit finite-difference scheme together with multivariate Newton's method was employed to solve the equation numerically. The simulation results showed that microtopography and roughness were the dominant factors causing significant spatial variations in sediment concentration. If the spatially varying microtopography was replaced by an average constant slope, the result was an overestimation of the sediment load. On the other hand, when the spatially varying roughness was replaced by the average roughness and the spatially varying infiltration rate by the average infiltration rate, the sediment discharge was not significantly affected. The sedimentograph reached an equilibrium much sooner when a constant infiltration rate was substituted for the time-varying infiltration rate.
  • Article
    Citation - WoS: 33
    Citation - Scopus: 38
    Modeling Two-Dimensional Erosion Process Over Infiltrating Surfaces
    (American Society of Civil Engineers (ASCE), 2001) Tayfur, Gökmen
    The physics-based modeling of the rainfall-runoff induced erosion process is accomplished. The existing one-dimensional erosion process equations are extended to two dimensions and kinematic wave approximation is used. The model assumes that suspended sediment does not affect flow dynamics. The model considers the effect of flow depth plus loose soil depth on soil detachment. Sensitivity analysis results indicate that the effects of the soil erodibility coefficient (η) and exponent (k1) on sediment discharges are quite pronounced. On steep slopes, the effect of flow depth plus loose soil depth on sediment discharge is insignificant.