نتایج جستجو برای: scs method for runoff hydrograph simulation
تعداد نتایج: 10820287 فیلتر نتایج به سال:
Estimating the volume of groundwater contribution to runoff within a watershed is one of the most important subjects in water resources management and hydrology. In this paper, groundwater contribution to total runoff as a base flow index was estimated using hydrograph separation in six stream gauging stations in southwest of Iran. The major objective of this research is to distinguish the most...
Introduction: Patterns of spatial and temporal rainfall impact on runoff and outlet hydrograph (Cordery, 1993; James, 1994). Results of different studies have clarified that simulation by using diverse rainfall data could increase the reliance of results. These were much more sensible in which areas encounter with data scarcity (Mello et al., 2008; Bekiaris et al., 2008). Rainfall properties in...
This paper describes an approach for the identification of flood-susceptible areas contributing to sustainability these in Giofiros river basin covering area 184 km2, located Southern Greece. is prone flooding with devastating consequences on people, environment, and economy. In this context, a geographic information system (GIS)–based multi-criteria decision analysis (MCDA) method potential fl...
Hydrograph modeling and prediction of groundwater levels are the main concerns of most hydrogeological calculations and water resource management process. The present study is an application of Sequential Gaussian Simulation (SGSim) method for predicting groundwater levels using recorded monthly data (180 months) related to 21 piezometers of Behbahan aquifer, southwest of Iran. To generate real...
The prediction uncertainty of a hydrologic model is closely related to model formulation and the uncertainties in model parameters and inputs. Currently, the foremost challenges concern not only whether hydrologic model outputs match observations, but also whether or not model predictions are meaningful and useful in the contexts of land use and climate change. The latter is difficult to determ...
The process of precipitation – runoff of each basin, is influenced by hydrologic, geomorphology conditions, geological formation and vegetation. There are different methods in drainage basins. One way to estimate the runoff height is Curve Number (CN) method. That reperesents the hydrological behavior of basin. data were collected for statistics of climate and then topographic map of 1: 25000 a...
It has become necessary to estimate the quantities of runoff by knowing amount rainfall calculate required water storage in reservoirs and determine likelihood flooding. The present study deals with development a hydrological model named Hydrologic Engineering Center (HEC-HMS), which uses Digital Elevation Models (DEM). This was used means Geospatial Modeling Extension (HEC-GeoHMS) Geographical...
Increased urbanization has resulted in water quality and flooding problems for many receiving waters in the United States. Bioretention, or rain gardens, is one of the most widely popular and effective best management practices in low impact development (LID), which strives to return a watershed to a predevelopment hydrologic regime. Many studies have evaluated large bioretention cells in resea...
Flooding is a problem that often found in cities, especially the rural areas of Baturaja Permai. When it rains, quantity river water exceeds its capacity or becomes too much, and there will be inundation caused by overflowing rivers. Factors natural events such as high rainfall intensity cause flooding, coupled with factors from human activities. This study aims to investigate flood characteris...
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