surface water model Articles
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Project - Rouge River Watershed Management Plan
Client: Toronto and Region Conservation Authority. Don Ford, P.Geo. Manager, Hydrogeology, 5 Shoreham Drive, Downsview, ON M3N1S4 Tel:416-661-6600×5369 dford@trca.on.ca Key Personnel: Dirk Kassenaar and E.J. Wexler Building on earlier work on the Oak Ridges Moraine, Earthfx worked with the Toronto and Region Conservation Authority (TRCA) to develop key surface water and ...
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Project - Tier 3 Water Budget and Water Quantity Risk Assessment, Regional Municipality of York, Ontario, Canada
Client: Regional Municipality of York, Water and Wastewater Branch, Environmental Services: Mr. Don Goodyear P.Geo., Risk Management Official, (1.877.GO4.YORK ext. 5050) Key Personnel: D. Kassenaar and E.J. Wexler Under the 2006 Clean Water Act, watershed-based Source Water Protection studies are conducted to assess risks to municipal water supplies from a water quantity and water quality ...
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Project - Peel Region Water Resources Management Model 2019
Client: Public Works, Region of Peel, T. Estephan, (905-791-7800 ext. 4339) Infrastructure Planning and Studies-Growth, Groundwater and Source Water Protection, 10 Peel Centre Drive, Brampton, ON L6T 4B9 In March, 2019 Earthfx was contracted by the Region of Peel to develop a fully integrated GSFLOW surface water/groundwater model of the entire region. This project, referred to as the ...
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AWWA Member Spotlight – Jeanine Dudle, Ph.D., P.E., Brookfield, Mass.
Job title and employer: Associate Professor, Civil & Environmental Engineering, Worcester Polytechnic Institute (WPI) Education: B.S., Civil Engineering, Cornell University; M.S., Environmental Engineering, and Ph.D., Civil Engineering, University of Massachusetts Amherst Job duties: I teach undergraduate courses in environmental engineering and laboratory methods and advise student ...
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Integration of the rice paddy water management into a coupled surface-subsurface water flow model in the Sakuragawa River watershed (Japan)
Rice paddy water management was integrated into a distributed three-dimensional surface and subsurface coupling hydrological model of the Sakuragawa River watershed. This watershed is located in the Kanto Plain in Japan and includes the hillside of Mt. Tsukuba. Therefore, this watershed includes both steep mountainous areas and rice paddy-dominated flat land. Thus, water management of rice ...
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An investigation on the effect of geometric shape of streams on stream/ground water interactions and ground water flow
Ground water should be used efficiently and improved for sustainable water management plans. For this purpose, comprehensive ground water flow models are developed incorporating surface/ground water interactions. Typically, these models require a significant amount of hydrological parameters and the sensitivities of these parameters on interaction mechanisms need to be clarified. Therefore, in ...
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Analysis of groundwater–surface water interaction in horizontal unconfined aquifer bounded by a stream and groundwater divide using a non–linear numerical model
In this study, a non–linear numerical model was developed to analyse the interaction between the drainage water moving from an unconfined aquifer and a surface water body. This interaction can occur during or after a rainfall event, which can cause the groundwater table to change. At first, a laboratory–scale aquifer model with stream and groundwater divide boundaries was established to examine ...
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Modelling the interaction of surface and subsurface water flow by linking TOPMODEL and MODFLOW
A coupled ground water–surface water model was used to quantify the hydrological processes in a lowland watershed. The model was constructed by coupling TOPMODEL and MODFLOW without writing new code for the integrated model. Meteorological, land use and soil type data for the Tenmile watershed, USA, were used to run TOPMODEL, which partitions precipitation into evapotranspiration, runoff and ...
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Distributed urban storm water modeling within GIS integrating analytical probabilistic hydrologic models and remote sensing image analyses
Analytical probabilistic hydrologic models (APMs) are computationally efficient producing validated storm water outputs comparable to continuous simulation for storm water planning level analyses. To date, APMs have been run as spatially lumped or semi-distributed models relying upon calibrated and spatially averaged system state variable inputs/parameters limiting model system representation and ...
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Comparing the capability of distributed and lumped hydrologic models for analyzing the effects of land use change
Empirically based lumped hydrologic models have an extensive track record of use for various engineering applications. Physically based, multi-dimensional distributed models have also been in development and use for many years. Despite the availability of high resolution data, better computational resources and robust, numerical methods implemented in such models, their usage is still limited, ...
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Combined consideration for decentralised non-potable water supply from local groundwater and nutrient load reduction in urban drainage
Integrated analysis of land use change and its effect on catchment water balance allows the selection of appropriate water and land management options for new urban developments to minimise the environmental impacts of urbanisation. A process-based coupled surface water-groundwater model was developed for Southern River catchment (Perth, Western Australia) to investigate the effect of urban ...
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Development and testing of the HYPE (Hydrological Predictions for the Environment) water quality model for different spatial scales
The HYPE model is a hydrological model for small-scale and large-scale assessments of water resources and water quality, developed at the Swedish Meteorological and Hydrological Institute during 2005–2007. In the model, the landscape is divided into classes according to soil type, land use and altitude. In agricultural lands the soil is divided into three layers, each with individual computations ...
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Water supply planning & environmental studies
Client: U.S. Fish & Wildlife Service Completion Date: 1998 Services Provided Surface water modeling Groundwater modeling Storage reservoir siting and assessment Facility modifications Water supply alternative evaluations Water quality analysis Hydrology and hydraulics Cost estimating Water supply engineering Preliminary and design engineering Baseline biological ...
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Physical Controls on Total and Methylmercury Concentrations in Streams and Lakes of the Northeastern USA
The physical factors controlling total mercury (HgT) and methylmercury (MeHg) concentrations in lakes and streams of northeastern USA were assessed in a regional data set containing 693 HgT and 385 corresponding MeHg concentrations in surface waters. Multiple regression models using watershed characteristics and climatic variables explained 38% or less of the variance in HgT and MeHg. Land cover ...
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