نتایج جستجو برای: distributed hydrologic model

تعداد نتایج: 2308749  

Journal: :Water 2021

One of the challenges in rainfall-runoff modeling is identification an appropriate model spatial resolution that allows streamflow estimation at customized locations river basin. In lumped modeling, not issue as variability accounted for, whereas distributed grid or cell can be related to but its application limited because large data requirements. Streamflow data-poor possible it challenging m...

2012
P. C. Nayak

It is well understood that the limitations of hydrological measurement techniques warrants for modeling of hydrological processes in a basin. However, most hydrologic systems are extremely complex and modeling them with the available limited measurements is a difficult task. The basic purpose of a model is to simulate and predict the operation of the system that is unduly complex, and also to p...

2013
Brian Buchanan Zachary M. Easton Rebecca L. Schneider Todd Walter

0022-1694/$ see front matter 2013 Elsevier B.V. A http://dx.doi.org/10.1016/j.jhydrol.2013.01.040 ⇑ Corresponding author. Tel.: +1 607 255 2488; fax E-mail address: [email protected] (M.T. Walter). Roadside drainage networks can affect deleterious changes to watershed hydrology and water quality. However, very few studies have explored these effects in agricultural settings where the potential f...

2015
XING CHEN MUKESH KUMAR BRIAN L. MCGLYNN

Floods caused by hurricane storms are responsible for tremendous economic and property losses in the United States. Tominimize flood damages associated with large hurricane-season storms, it is important to be able to predict streamflow amount in response to storms for a range of hydroclimatological conditions. However, this is challenging considering that streamflow response exhibits appreciab...

2007
J. G. Arnold D. D. Bosch P. M. Allen C. H. Green

Recent and future river basin management requires a more spatially distributed description of basin hydrology and nutrient transport processes to enable land use management as a process controlling factor to realize sound river basin management. The spatial description of these processes in the Soil and Water Assessment Tool (SWAT) watershed model is presently realized by aggregating the flows ...

2009
Mrinmoy MajuMdeR Rabindra Nath BaRMaN Pankaj Kr. Roy

The hydrologic adversaries like high magnitude storms, extreme dryness, aridity, more than normal demand for water etc. often cause a huge stress on the storage structures such as reservoirs and check dams. This stress implies a lot of adverse effects on the adjacent population. One of the major causes of floods and droughts were due to the mis-management of stored water during hydrologic adver...

Journal: :آب و خاک 0
رضا گرمه ای علیرضا فرید حسینی مجید هاشمی نیا علی حجتی

introduction: planning and management of water resource and river basins needs use of conceptual hydrologic models which play a significant role in predicting basins response to different climatic and meteorological processes. evaluating watershed response through mathematical hydrologic models requires finding a set of parameter values of the model which provides thebest fit between observed a...

2006
Ryanne Metcalf Bruno Tassone

Watershed management is based on the application of models to predict the probable outcome of hypothetical management scenarios. There is enormous variability in the type and complexity of models that are used. In research, the preference is for process-based distributed hydrologic simulation models such as “Distributed Hydrology-Soil-Vegetation Model” (DHSVM, Wigmosta et al., 1994), while the ...

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