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9 results for “streamflow”
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Research ArticleOpen accessEvery word in the titleAdjustment of Peak Streamflows of a Tropical River for UrbanizationAta Amini, Thamer Mohammad Ali, Abdul Halim B Ghazali, Bujang Kim HuatPeak runoff from a catchment is influenced by many factors such as intensity and duration of rainfall, catchment topography, catchment shape, land use and other variables. For a particular catchment, landuse change and other human activities will alter the characteristic of catchment hydrograph. Problem statement: As a result of urbanization, the magnitude of floods occurring in a catchment increased. It … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,546 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of Land Cover on Streamflow Variability in a Small Iowa Watershed: Assessing Future VulnerabilitiesKeith Schilling, Matthew Streeter, Kasey Hutchinson et al.Agricultural expansion and urbanization, coupled with climate change represent major threats to the sustainability of river ecosystems and infrastructure. In this study, we evaluated how subbasins with different dominant land covers within the 27.5 km2 Clear Creek, IA watershed affect key hydrologic indicators. Hydrologic output from two stream gages and a calibrated Soil Water Assessment Tool (SWAT) model were used … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 6 Jul 2015 · 8,367 accessesView PDFCite
Research ArticleOpen accessIn the keywordsExponential Smoothing Method of Base Flow Separation and Its Impact on Continuous Loss EstimatesGurudeo Anand Tularam, Mahbub IlaheeThe calculation of loss is vital for design flood estimation models and in order to estimate continuing loss (CL), proportional loss (PL) and volumetric runoff coefficient, the surface runoff has to be separated from the total given in a stream flow hydrograph. To obtain the volume of surface runoff from the streamflow hydrograph, baseflow separation becomes necessary and in this … …American Journal of Environmental Sciences, Vol. 4, Issue 2 · 30 Apr 2008 · 8,484 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEvaluating the Effects of Climate Change and Variability on Water Resources: A Case Study of the Cheliff Basin in AlgeriaYamina Elmeddahi, Hacene Mahmoudi, Abderrahmane Issaadi et al.In aim to well understand of the association between climate change, variability and their impact on water resources availability, an analysis was conducted of the trends in rainfall and stream flows across the Cheliff basin in Algeria. Sen’s non-parametric estimator of slope was employed to estimate the extent of tendencies, whose statistical significance was measured by the Mann-Kendall (MK) and … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 4 · 12 May 2016 · 9,515 accessesView PDFCite
Research ArticleOpen accessIn the abstractImpacts of Large-Scale Stormwater Green Infrastructure Implementation and Climate Variability on Receiving Water Response in the Salt Lake City AreaChris York, Erfan Goharian, Steven J. BurianThis study evaluated impacts of Green Infrastructure (GI) as a stormwater management practice on return flows and the further Implications of climate variability. The goal was to create a model to explore the impacts that bioretention and Rainwater Harvesting (RWH) representing GI had using goldsim and Stormwater Management Modeling (SWMM) software. The software was used to represent impacts that climate … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 20 Oct 2015 · 9,269 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Alternative Cropping and Nutrient Management Systems with Soil and Water Assessment Tool for the Raccoon River Watershed Master PlanPhilip Gassman, Manoj Jha, Calvin Wolter, Keith SchillingThe Soil and Water Assessment Tool (SWAT) ecohydrological model was used to assess a suite of adaptive nutrient management, alternative cropping system and combination scenarios in support of a Master Plan that was developed to help guide policy makers, land owners and other stakeholders in improving water quality for the 9,400 km2 Raccoon River watershed in west central Iowa, located … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 9 Sep 2015 · 7,612 accessesView PDFCite
Research ArticleOpen accessIn the abstractFuture Water Budgets and Water Supply Stress under Climate Change and Urbanization in the Upper Neuse River Basin, North Carolina, USAMichelle Tong Sun, Ge Sun, Chong Liu et al.Urbanization and climate change are the two major threats to watersheds and the environment in the United States. It is imperative to understand the sensitivity of hydrologic responses to climate and urbanization across different physiographic regions in order to formulate sound watershed management strategies and policies. This study evaluated a watershed water balance model, Water Supply Stress Index (WaSSI), with … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 30 Jun 2015 · 7,162 accessesView PDFCite
Research ArticleOpen accessIn the abstractSHALE GAS EXTRACTION AND WATER CONSUMPTION IN NORTH CAROLINA: A PRIMERManoj K. Jha, Daniel G. FernandezAbout 25,000 acres of area underlying the Deep and Dan River Basins in North Carolina has been identified to contain large shale gas reservoirs that could be used for the natural gas production. This study attempted to quantify the impact of potential hydraulic fracturing (or fracking) activities in the existing water resources of North Carolina. Supply and demand analysis was … …American Journal of Engineering and Applied Sciences, Vol. 7, Issue 1 · 10 Apr 2014 · 8,029 accessesView PDFCite
Research ArticleOpen accessIn the abstractImproved Continuing Losses Estimation Using Initial Loss-Continuing Loss Model for Medium Sized Rural CatchmentsMahbub Ilahee, Monzur Alam ImteazProblem statement: The rainfall based design flood estimation techniques are commonly adopted in hydrological design and require a number of inputs including information on soil loss characteristics. Approach: A conceptual loss model known as the ‘Initial Loss-Continuing Loss (IL-CL) model’ is widely used in Australia. Results: The Initial Loss (IL) occurs at the beginning of the rainfall event, prior to … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 7,594 accessesView PDFCite