Direct Runoff
Investigation of the direct runoff generation mechanism for the analysis of the SCS CN method applicability to a partial area experimental watershed
... For the current analysis, all the storm events producing significant direct runoff that took place from September 2004 to August 2008 were used (30 events). A storm event was considered significant when the ...
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Design of a hydrological model to determine the impact of urbanization on the direct runoff at the hillslope scale in West Java, Indonesia
... The environmental variables are defined by average inclination, average surface rough- ness, slope length and evapotranspiration. The influence of these variables has been tested for an unexploited hillslope, meaning no ...
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Possibilities of Using the Direct Runoff Model KINFIL for a Road Network Design
... The KINFIL model is based on the combination of infiltration theory with the transformation of direct runoff by a “kinematic wave”. The model uses the physiographic factor of a catchment as well as its ...
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A study on geomorphological response for estimation of direct runoff in kothuwatari watershed
... observed direct runoff hydrographs, the qualitative relative performance of the model developed in the study was examined by visual comparisons of various components of the regenerated and predicted ...
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A Comprehensive Review of Runoff Estimation by the Curve Number Method
... of runoff volume of a catchment is an important aspect in engineering planning, environmental impact assessment, flood forecasting and water balance ...of runoff namely the direct method and the ...
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Estimation of Probable Maximum Flood
... The unit hydrograph is defined as the hydrograph resulting from an isolated storm of unit duration occurring uniformly over the entire catchment area and producing unit (i.e. 1 cm) depth of direct runoff. ...
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6 uhg theory
... • The ordinates of the unit hydrograph are obtained by dividing each flow in the direct runoff hydrograph by the depth of excess precipitation.. • In this example, the units of the un[r] ...
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The PDM rainfall runoff model
... route direct runoff (and drainage to recharge) to the basin outlet, using the probability-distributed principle applied to the time-of-travel to the catchment ...the direct storm and groundwater ...
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WRE-2.3.pdf
... 5. From the observed total flood hydrograph for each storm separate the base flow (discussed in lecture 2.2) and plot the direct runoff hydrograph. 6. Measure the total volume of water that has passed the ...
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Use of the KINFIL rainfall runoff model on the Hukava catchment
... Recent trends in the climate changes often cause torrential rainfalls that have clearly led to a rise in the frequency of hydrological extremes, floods in particular (Grešková 2001). The catchment management, including ...
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Flood runoff in semi arid and sub humid regions, a case study : a simulation of jianghe watershed in Northern China
... estimate direct-runoff using the Kinematic-wave model, the catchment area needs to be discretized into series of elementary components including the planes of surface flow, sub-channels of collection, ...
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Improving runoff estimates from regional climate models: a performance analysis in Spain
... monthly runoff time series from the output of RCM ...natural runoff have been estimated by the distributed hydrological model ...downscaling runoff to the basin scale from 10 RCMs are compared with ...
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unit 3.5
... a direct runoff hydrograph (DRH) resulting from 1 in (usually taken as 1 cm in SI units) of excess rainfall generated uniformly over the drainage area at a constant rate for an effective ...
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Rainfall and Runoff Observations in the Subtropical Forest of Okinawa Island, Japan
... culate direct runoff ...peak runoff in the ...conditions, runoff will not always return to an initial water level in three days after the rainfall event ...
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Analysis of the Runoff for Watershed Using SCS-CN Method and Geographic Information Systems
... predicting direct runoff volume for a given rainfall ...the runoff generation mechanism were thoroughly analyzed in a Mediterranean experimental watershed in ...pre direct runoff for ...
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Watershed Resource Management based on Runoff Curve Number using Geoinformatics Techniques: A Hydrological study of Dwarkeswar River Basin of West Bengal
... to runoff volume is typically thought of as a method for generating storm runoff for rare events and not for water quality ...the runoff from each Micro-Watershed (Pramod ...for runoff ...
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Evaluation of the effects of underlying surface change on catchment hydrological response using the HEC-HMS model
... computing runoff volume, modelling direct runoff, base flow and channel flow, and calibrating the HEC-HMS model ...catchment runoff process. In the simple conceptualization of the catchment ...
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A hydrological emulator for global applications – HE v1.0.0
... To achieve our goal of identifying a suitable HE, we have explored many hydrological models to find one that may meet our needs. We start with a simple baseline model characterized by mean seasonal cycle, i.e., the ...
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A Study of Soil Moisture Retention Relation using Weather Radar Image Data
... (NRCS)) runoff Curve Number (CN) method commonly used in hydrologic modeling for event- based flood forecasting (SCS, ...estimate direct runoff for a continuous simulation for flood ...
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QUANTIFICATION OF THE HYDROLOGICAL IMPACTS OF IMPERVIOUSNESS IN URBAN CATCHMENTS USING WIN TR-55
... water runoff estimations have been ignored ever ...peak runoff rates have been considered as ...stormwater runoff estimations was articulated. Using the method, stormwater runoff estimations ...
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