Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 27 for “"HSPF"”.
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HSPF modeling of the Charles River Watershed
… The model used for this project is HSPF, an EPA-sponsored continuous simulation model. Based on land use information from MassGIS, six land use types-open space/agriculture, wetland/riparian, forest, highdensity residential, low-density residential, and impervious land-were defined. …
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HSPF Modeling of Nonpoint Sources in Tickfaw River Watershed
… System (GIS), the EPA's BASINS tools, and the HSPF water quantity and quality modeling program to quantify and differentiate the sources of pollution that arise from storm water runoff coming from agriculture, forestry, and other sources. This will allow the Louisiana Department of …
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Hydrologic and bacteria modeling of the upper Charles River watershed using HSPF
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1997.
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Using HSPF to evaluate stormwater Best Management Practices in the Charles River Watershed
… describes how the hydrologic computer model HSPF was used to model hydrologic and sediment transport in the Charles River Watershed and subsequently to evaluate stormwater management practices in the watershed. The thesis briefly describes the problem of stormwater pollution. It discusses …
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Comparing Alternative Methods of Simulating Bacteria Concentrations with HSPF Under Low-Flow Conditions
… the Hydrological Simulation Program-FORTRAN (HSPF) to compare three low-flow DD simulation approaches and combinations (treatments) on two Virginia watersheds where bacterial impairment TMDLs had been previously developed and where low-flow conditions had been encountered. The three methods; …
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Estimating Uncertainty in HSPF based Water Quality Model: Application of Monte-Carlo Based Techniques
… to a Hydrological Simulation Program–FORTRAN (HSPF) model developed for the Mossy Creek bacterial TMDL in Virginia. Predictive uncertainty in percent violations of instantaneous fecal coliform concentration criteria for the prediction period under two TMDL pollutant allocation scenarios was …
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Evaluating the Effects of Watershed Land Use Distribution and BMP Data on HSPF Water Quality Predictions
… were accomplished in this study: 1) compare the HSPF-predicted flow, sediment, total nitrogen (TN) and total phosphorus (TP) loads resulting from simulation of spatially distributed site-specific and county-level disaggregated land use data at subwatershed and watershed levels, 2) evaluate the …
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Sensitivity and uncertainty analysis in hydrological modeling: a case study of South Chickamauga Creek watershed using BASINS/HSPF
… a Hydrological Simulation Program-Fortran (HSPF) model was developed for simulating surface and sub-surface hydrology, and creek flows in the South Chickamauga Creek Watershed, TN. The HSPF model was calibrated against USGS observed data from January 2013 to December 2017 and was validated …
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Hydrologic calibration of the Cub Run Watershed using the PC version of the Hydrological Simulation Program - FORTRAN (HSPF)
The Hydrological Simulation Program - FORTRAN (HSPF) in its personal computer version, release 10.10, was used to perform the hydrological simulation of a sub-watershed of the Occoquan River drainage basin. The sub-watershed selected was the Cub Run Watershed located in the northern area of the …
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Effective Modeling of Nutrient Losses and Nutrient Management Practices in an Agricultural and Urbanizing Watershed
… areas. Two watershed model applications using HSPF, and one receiving water quality model application using CE-QUAL-W2, were linked to simulate Lake Manassas as well as its drainage areas: the Upper Broad Run (126.21 km2) and Middle Broad Run (62.79 km2) subbasins. The calibration of the linked …
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Hydrologic and water quality modeling with HSPF : utilization of data from a novel field data collection system and historical archives
… The Hydrologic Simulation Program - FORTRAN (HSPF) is applied using data from the Williams River basin, New South Wales, Australia. The Williams River is an agricultural catchment with interesting physical characteristics and various non-point source water quality issues that warrant a …
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Assessing the Performance of HSPF When Using the High Water Table Subroutine to Simulate Hydrology in a Low-Gradient Watershed
… The Hydrological Simulation Program-FORTRAN (HSPF) model has two different subroutines available to simulate ground water, the traditional ground-water (TGW) subroutine and the high water table (HWT) subroutine. The HWT subroutine has more parameters and requires more data but was created to …
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A Complex, Linked Watershed-Reservoir Hydrology and Water Quality Model Application for the Occoquan Watershed, Virginia
… region. The Occoquan model, consisting of six HSPF and two CE-QUAL-W2 submodels linked in a complex way, has been developed and applied to simulate hydrology and water quality activities in the two major reservoirs and the associated drainage areas. The studied water quality constituents …
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Modeling Hydrological Response to Potential Climate Change and Urbanization in the Kishwaukee River Basin
… The Hydrologic Simulation Program - FORTRAN (HSPF) was applied for the KRB after being calibration. The calibrated HSPF model was run first with urbanization scenarios generated by a dynamic urban growth model (LEAMluc) and hypothetical urbanization scenarios to investigate the basin response …
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Long Term Hydrologic Effects on Stream Health from Residential Development Patterns
… most developed scenario. The hydrologic model HSPF is used to generate overland and channel flows from 43 years of rainfall. Hydrologic output from HSPF of the various landuse patterns from the eight scenarios are evaluated using Post Processor, a Visual Basic program. The results show that …
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A Coupled Hydrologic-Economic Modeling Framework for Evaluating Alternative Options for Reducing Watershed Impacts in Response to Future Development Patterns
… the Hydrological Simulation Program-Fortran (HSPF) is used. An HSPF model has been calibrated to represent the hydrological processes of Cedar Run Watershed by the Occoquan Watershed Monitoring Laboratory (OWML). Thus, the capabilities of this framework are demonstrated using strategic …
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A study of aquatic sedimentation in Chattanooga, Tennessee, using GIS and remote sensing technology integrated with hydrodynamic and watershed models
… to SSC, which can be incorporated with the HSPF (Hydrological Simulation Program – FORTRAN) hydrologic (watershed) model and CCHE2D Flow and Water Quality models to simulate the SSC in the Tennessee River.
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Procedure to Quantify Environmental Risk of Nutrient Loadings to Surface Waters
… module of Hydrologic Simulation Program FORTRAN (HSPF). The risk is calculated as the product of probability of occurrence of a NPS event and consequences of that event. The risk quantification procedure was applied to a watershed in Virginia. Total phosphorus (TP) loadings were evaluated with …
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The Challenges and Opportunities in Monitoring and Modeling Waterborne Pathogens in Water- and Resource-Restricted Africa: Highlighting the critical need for multidisciplinary research and tool advancement
… the Hydrological Simulation Program – Fortran (HSPF), is used to identify primary data gaps and model assumptions that limit the progress of model development, and guide opportunities for data collection, tool development, and research direction. Environmental pathogen exposure risk and …
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Development of a Risk Assessment Model to Assess TMDL Implementation Strategies
… using Hydrological Simulation Program- FORTRAN (HSPF) to assess the effect these reductions would have on the risk of infection attributed to each modeled bacterial source. Although individual risk sources (neglecting geese) were reduced below the EPA limit of 8 illnesses per 1000 exposures, the …
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