Infiltration Excess Overland Flow, also known as Hortonian Flow, occurs when water enters a soil system faster then the soil can absorb or move it, such as when precipitation exceeds the infiltration capacity of the soil. This process is very important in many areas of the country, including arid areas (where significant soil crusting and/or surface sealing occurs during rain events), in irrigated fields, in urban areas, and more generally during storms with very high rainfall intensities.

THEORETICAL CONSIDERATIONS AND MODEL DEVELOPMENTAfter rainfall intensity exceeds the infiltration capacity of the soil, the Hortonian overland flow hydrographs can be divided into a rainfall excess phase and a recession-infiltration phase. The rainfall excess phase consists of a build-up phase and an equilibrium phase.

Hortonian overland flow closure relations in the Representative Elementary Watershed Framework evaluated with observations By E. Vannametee, D. Karssenberg, M. R. Hendriks and M. F. P. Bierkens No static citation data No static citation data Cite Saturation overland flow (also called Dunne overland flow) is generated if subsurface hydraulic characteristics are not transmissive and if slopes are gentle and convergent. Saturation overland flow can arise from direct precipitation on saturated land-surface areas or from return flow of subsurface water to the surface in the saturated areas (Dunne and Black, 1970). Effects of Spatial Variability of Saturated Hydraulic Conductivity on Hortonian Overland Flow. D. A. Woolhiser. Search for more papers by this author. R. E. Smith.

Overland flow, which is examined here, is an important hydrological response to storms of a catchment. And it is also a main component of hillslope hydrolo A Modified Hortonian Overland Flow Model Based on Laboratory Experiments | SpringerLink Related investigations suggested that energetic extremal principles might constrain hydrological processes, because the latter are associated with conversions and dissipation of free energy. Here we expand this thermodynamic perspective by exploring how macro and micro hillslope structures control the free energy balance of Hortonian overland flow. Overland flow or surface run off on a saturated hill side. Hortonian overland flow High rain rates and low infiltration rates lead to rapid infiltration excess saturation and marked patterns of runon and runoff across the hillslope.

2006-05-01

Can Hortonian overland flow generation be observed on all land-use types in the investigated areas in the Central European low mountain range? 2. What are the most important factors influencing Hortonian overland flow generation and can they be traced back to the land-use type? 3.

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Therefore our field measurements in both small and large plots potentially included biomat flow in addition to short‐lived Hortonian runoff. The infiltration excess overland flow is formed (named also Hortonian overland flow after Horton E. R.), when the rainfall intensity exceeds the soil infiltration capacity in an area (Liu et al., 2004 ). Then water accumulates on the soil and starts moving downslope, due to gravity, towards the hydrographic network. THEORETICAL CONSIDERATIONS AND MODEL DEVELOPMENTAfter rainfall intensity exceeds the infiltration capacity of the soil, the Hortonian overland flow hydrographs can be divided into a rainfall excess phase and a recession-infiltration phase. The rainfall excess phase consists of a build-up phase and an equilibrium phase.

256, 258). The writers have found that saturated areas in the Catskills headwater catchments are primarily controlled by shallow interflow, i.e., rapid subsurface lateral flows. Saturation overland flow (also called Dunne overland flow) is generated if subsurface hydraulic characteristics are not transmissive and if slopes are gentle and convergent. Saturation overland flow can arise from direct precipitation on saturated land-surface areas or from return flow of subsurface water to the surface in the saturated areas (Dunne and Black, 1970). Sub-pixel scale effects of Hortonian overland flow Nick van de Giesen1, Tjeerd Jan Stomph1, and Nico de Ridder1 1.
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The rainfall excess phase consists of a build-up phase and an equilibrium phase. This is called flooding excess overland flow, Hortonian overland flow (after Robert E. Horton), or unsaturated overland flow. This more commonly occurs in arid and semi-arid regions, where rainfall intensities are high and the soil infiltration capacity is reduced because of surface sealing , or in paved areas. overland flow is a dominant process. This also happens when the top soil is frozen.

The writers have found that saturated areas in the Catskills headwater catchments are primarily controlled by shallow interflow, i.e., rapid subsurface lateral flows. flow generation, thereby establishing the Dunnian surface flow, which is generated due to the saturation of the topsoil. This often occurs in areas close to streams, which evolve over time.
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conductivity on hortonian overland flow. Also this paper focuses on an analytical solution of the kine- matic wave model which, despite being limited to.

• R. E. Saturation Excess Overland Flow occurs when the soil becomes saturated, and any additional precipitation or irrigation causes runoff. This type of runoff is the main mechanism behind VSA hydrology. To learn more about saturation excess overland flow, mechanisms for occurrence, and areas prone to saturation, read on. Check out our Saturation Excess Overland Flow animated slideshow.

Arvet (2003)

2006-04-01

Therefore our field measurements in both small and large plots potentially included biomat flow in addition to short‐lived Hortonian runoff.

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Tu. Ts. Op. BU watar ii flow tablo www. Hortonian overland flow. High rain rates and low infiltration rates lead to rapid infiltration excess saturation and marked patterns of runon and runoff across the Aug 15, 2020 The infiltration excess overland flow is formed (named also Hortonian overland flow after Horton E. R.), when the rainfall intensity exceeds the Horton Hypothsis. Rainfall on the soil surface is partitioned into two components: infiltration and overland flow.