نتایج جستجو برای: Sequential streamflow Routing method

تعداد نتایج: 1750624  

Hamid Goharnejad, Mahmoud Zakeri Niri Majid Mohamadi Naser

Among the major sources of energy supply systems, hydroelectric power plants are more common. Energy supply during peak hours and less environmental issues are some of the most important advantages of hydroelectric power plants. In this study, designing parameters to supply maximum amount of energy was determined by using the simulation-optimization perspective and combination of IWO-WEAP model...

Journal: :Hydrology and Earth System Sciences 2013

2001
Vivek Arora Frank Seglenieks Nick Kouwen Eric Soulis

Scaling aspects of river flow routing are studied by comparing two flow routing schemes, one designed for use in coupled general circulation models (GCMs) and operated at large spatial scales (3⁄4350 km), and the other designed for use in typical hydrological applications at small spatial scales (3⁄425 km). The same runoff data are used as input into the two routing schemes, and comparisons are...

2008
John Fulton Joseph Ostrowski

r Publis .028 .: +1 412 @usgs.go Summary Forecasting streamflow during extreme hydrologic events such as floods can be problematic. This is particularly true when flow is unsteady, and river forecasts rely on models that require uniform-flow rating curves to route water from one forecast point to another. As a result, alternative methods for measuring streamflow are needed to properly route flo...

2006
Jozsef Szilagyi Marc B. Parlange Gabor Balint

Flux-exchange between stream and aquifer is assessed on a 85.9 km stretch of the Danube River in Hungary. Streamflow is modeled with a spatially and temporally discretized version of the linear kinematic wave equation written in a state-space form which allows for an easy inversion of flow routing. By knowing inand outflow of the reach, lateral flux exchange between stream and groundwater can b...

Journal: :Hydrology and Earth System Sciences 2023

Abstract. SWAT (Soil and Water Assessment Tool) is a continuous-time, semi-distributed, river basin model widely used to evaluate the effects of alternative management decisions on water resources. This study examines application for streamflow simulation in an experimental with mixed-land-use characteristics (i.e., urban/peri-urban) using daily hourly rainfall observations. The main objective ...

2004
Jozsef Szilagyi

A sample-data system discretization of the continuous Kalinin–Milyukov–Nash cascade is performed in a state-space analysis framework allowing for stream–aquifer interactions that include bank storage during flood events and groundwater discharge to the stream under low-flow conditions. These interactions generally result in faster attenuation of propagating flood waves and in elevated streamflo...

2010
S. A. Archfield R. M. Vogel

[1] Daily streamflow time series are critical to a very broad range of hydrologic problems. Whereas daily streamflow time series are readily obtained from gaged catchments, streamflow information is commonly needed at catchments for which no measured streamflow information exists. At ungaged catchments, methods to estimate daily streamflow time series typically require the use of a reference st...

Journal: :Environmental Modelling and Software 2001
Teemu Kokkonen Harri Koivusalo Tuomo Karvonen

A semi-distributed hydrological model was applied to a small forested catcment in southern Finland. The aim was to demonstrate how differences in terrain properties could be taken into account in modelling runoff generation, and to test how well the presented model simulated streamflow with only limited calibration. Modelling was based on subdivision of a catchment into topographically similar ...

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