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2007-04-15 Hortonian overland flow. Although Horton postulated that overland flow place llnlU"''-''el in basin when rainfall intensity exceeds infiltration capacity, it is clear that it can oecur in soil-covered basins under rainfall intensities which are less than the infiltration,~0'''''f'.ht Overland flow or surface run off on a saturated hill side. Can Hortonian overland flow generation be observed on all land-use types in the investigated areas in the Central European low mountain range? 2.
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D. A. Woolhiser. Search for more and several modeling studies have examined the effects of this variability on Hortonian surface A simple technique is introduced to account for flow concentration in rills and the resulting reduced effective 111: Rainfall Excess Overland Flow ROGER E SMITH1 AND DAVID C GOODRICH2 1Civil Engineering Department, Colorado State University, Fort Collins, CO, US 2Southwest Watershed Research Center, ARS USDA, Tucson, AZ, US One of the processes that can generate surface runoff is rainfall excess, which is a process controlled at the 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 Hortonian Overland Flow Saturated Overland Flow Sub-surface Flow Ground Water Flow. Very fast, energy waves, destructive Can be destructive CHAPTER FIVE Runoff Engineering Hydrology (ECIV 4323) Overland flow interflow Saturated overland flow Base flow 1 Instructors: Dr. Yunes Mogheir Dr. Ramadan. Find my institution. Log in / Register. 0 Cart Horton overland flow. In soil science, Horton overland flow describes the tendency of water to flow horizontally across land surfaces when rainfall has exceeded infiltration capacity and depression storage capacity.
Hortonian ﬂow can be found in many parts of the sub-humid and (semi-)arid tropics, such as in West Africa (Rodier and Auvray, 1965; Rodier 1976; Puech and Chabi-Gonnie, 1984), Australia (Williams and Bonell, 1988) and India (Rao et al., 1998a,b). Once rainfall intensity exceeds inﬁltration capacity, Hortonian ﬂow occurs throughout the landscape. 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.
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Very fast, energy waves, destructive Can be destructive CHAPTER FIVE Runoff Engineering Hydrology (ECIV 4323) Overland flow interflow Saturated overland flow Base flow 1 Instructors: Dr. Yunes Mogheir Dr. Ramadan. Find my institution.
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2006-05-01 2021-02-09 Erosion by Hortonian overland flow on unvegetated small plots underlain by fine sandy silts averaged 2.45 kg sediment loss and 3.5 mm surface lowering during summer and fall, 1971, and averaged 5.58 kg sediment loss and 5.2 mm surface lowering during summer and fall, 1972.Total sediment loss and mean surface lowering during seven measurement periods in 1972 were highly correlated with total Author: Schroers, Samuel et al.; Genre: Journal Article; Published online: 2021-02-11; Open Access; Title: Hortonian overland flow, hillslope morphology and stream power I: Spatial energy distributions and steady-state power maxima Indeed, the saturation excess overland flow concept is usually understood to include a rapid subsurface flow component (e.g., Dunne and Leopold 1978 pp. 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.
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Would ”Tammian Subsurface flow have replaced Horton? Flowpaths Nordén 1989 Water use by Norway spruce Who When Where Tracer Henrik Roof Experiment Infiltration Excess Overland Flow (IEOF) or Horton Overland Flow (HOF)
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Hortonian overland flow. An overland flow of water occurring more or less simultaneously over a *drainage basin when rainfall intensity exceeds the Access to the complete content on Oxford Reference requires a subscription or purchase. Hortonian Overland Flow The appearance of free water on the soil surface, called ponding, gives rise to runoff in the direction of the local slope (Figure 1). Rainfall can produce ponding by two mechanisms, as outlined in the infiltration section. Overland flow, which is examined here, is an important hydrological response to storms of a catchment.
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Here we expand this thermodynamic perspective by exploring how macro and micro hillslope structures control the free energy balance of Hortonian overland flow. 2009-09-01 After rainfall intensity exceeds the inﬁltration capacity of the soil, the Hortonian overland ﬂow hydrographs can be divided into a rainfall excess phase and … Hortonian overland ﬂow closure relations E. Vannametee et al. Title Page Abstract Introduction Conclusions References Tables Figures J I J I Back Close Full Screen / Esc Printer-friendly Version 2006-07-20 Hortonian Overland Flow, Hillslope Morphology and Stream Power I: Spatial Energy Distributions and Steady-state Power Maxima February 2021 DOI: 10.5194/hess-2021-79 T1 - Scale effects of Hortonian overland flow and rainfall-runoff dynamics in a West African catena landscape. AU - van de Giesen, N.C. AU - Stomph, T.J. AU - de Ridder, N. PY - 2000. Y1 - 2000. rainfall input and upslope runon. We will show that the latter causes a trade -off in the potential energy of overland flow as a n increasing mass of water flows along a continuously declining geopotential.
(2006) Geomorph. 76, 1–2. Hortonian Overland Flow. The appearance of free water on the soil surface, called ponding, gives rise to runoff in the direction of the local slope (Figure 1).
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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. The overland flow results in the quick portion of HOF Horton overland flow; SOF saturation overland flow; MPI macropore Run- off depths or percentage of total flow (area specific); flood water volume Mechanisms of runoff generation (1 infiltration-excess overland flow, Long time Horton's concept(*1) was used to explain the surface runoff purely on the basis Hydrology The flow of water across and through near surface environments. < ul>
This process is very important in many areas of the country, including arid areas (where 2021-04-06 Hortonian overland flow. An overland flow of water occurring more or less simultaneously over a *drainage basin when rainfall intensity exceeds the Access to the complete content on Oxford Reference requires a subscription or purchase. This process is known as Hortonian overland flow. 2. when the combination of precipitation intensity and duration (and run-on from higher areas) saturates the soil and raises the water table to the surface. This process is known as saturation overland flow.