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Water Quality Analysis Simulation Program (WASP)
WWQTCS Info
The Water Quality Analysis Simulation Program. (WASP7), an enhancement of the original WASP (Di Toro et al., 1983; Connolly and Winfield, 1984; Ambrose, R.B. et al., 1988). This model helps users interpret and predict water quality responses to natural phenomena and manmade pollution for various pollution management decisions. WASP is a dynamic compartment-modeling program for aquatic systems, including both the water column and the underlying benthos. WASP allows the user to investigate 1, 2, and 3 dimensional systems, and a variety of pollutant types. The state variables for the given modules are given in the table below. The time varying processes of advection, dispersion, point and diffuse mass loading and boundary exchange are represented in the model. WASP also can be linked with hydrodynamic and sediment transport models that can provide flows, depths velocities, temperature, salinity and sediment fluxes.
WASP has been used to examine eutrophication of Tampa Bay, FL; phosphorus loading to Lake Okeechobee, FL; eutrophication of the Neuse River Estuary, NC; eutrophication Coosa River and Reservoirs, AL; PCB pollution of the Great Lakes, eutrophication of the Potomac Estuary, kepone pollution of the James River Estuary, volatile organic pollution of the Delaware Estuary, and heavy metal pollution of the Deep River, North Carolina, mercury in the Savannah River, GA.
WASP Preprocessor
The data preprocessor allows for the rapid development of input datasets. The ability to bring data into the model is as simple as cut and paste or queried from a database. The preprocessor provides detailed descriptions of all model parameters and kinetic constants. When linking WASP with hydrodynamic models it is as simple as pointing to the hydrodynamic linkage file.
- Import time series from WRDB, Spreadsheet, Text Files
- Automatically import hydrodynamic model interface information
- Multi-session capable
- Run time diagnosis
Post Processor
The Post-Processor (MOVEM) provides an efficient method for reviewing model predictions and comparing them with field data for calibration. MOVEM has the ability to display results from all of the WASP models as well as others. MOVEM allows the modeler to displays the results in two graphical formats:
- Spatial Grid . a two dimensional rendition of the model network is displayed in a window where the model network is color shaded based upon the predicted concentration.
- x/y Plots -- generates an x/y line plot of predicted and/or observed model results in a window.
There is no limit on the number of x/y plots, spatial grids or even model result files the user can utilize in a session. Separate windows are created for each spatial grid or x/y plot created by the user.
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WASP Model Information |
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Current Version |
7.3.1 |
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Release Date |
December 12, 2008 |
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Operating System |
Windows 95/98/ME/2000/XP |
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Intended Audience |
Environmental Engineers/Scientists, Regulatory Agencies |
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Key Words |
aquatic biology, assessment, compliance, discharge, environmental effects, hydrology, metals, NPS related, NPDES, point source(s), surface water, test/analysis, TMDL related |
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Media |
Surface Water |
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Pollutant Types |
Conventional Pollutants (Nitrogen, Phosphorus, Dissolved Oxygen, BOD, Sediment Oxygen Demand, Algae, Periphyton), Organic Chemicals, Metals, Mercury, Pathogens, Temperature |
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File Download Information |
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File Type/Priority |
Filename/Format/Size |
File Description |
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Install/Required |
SETUP_WASP7_3_1.exe -- Self Extracting Zip File
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This file contains the WASP Model including the data preprocessor, the kinetic models, graphical post processor, and model documentation. User is encouraged to download the example input files. This file also contains example input files to test model installation. The purpose of these files is for the user to acquaint themselves with the model and test execution. They do not represent a calibrated real world example. |
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Optional |
This page contains the materials used during EPA Sponsored WASP Workshops. It includes Power Point presentations used for lectures, TMDL example datasets, utility programs and other materials. |
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Optional |
WASP Fact Sheet -- (PDF, 2 pp., 666 KB, about PDF) |
This file contains a Fact Sheet about the WASP Modeling System in PDF Format. |