Model:DR3M: Difference between revisions
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{{Modeler information | {{Modeler information | ||
|First name=U.S. | |First name=U.S. | ||
|Last name=Geological Survey | |Last name=Geological Survey | ||
|Type of contact=Project manager | |Type of contact=Project manager | ||
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{{Input - Output description | {{Input - Output description | ||
|Describe input parameters=Daily precipitation, daily evapotranspiration, and short-interval precipitation are required. Short-interval discharge is required for the optimization option and to calibrate the model. These time series are read from a WDM file. Roughness and hydraulics parameters and sub-catchment areas are required to define the basin. Six parameters are required to calculate infiltration and soil-moisture accounting. Up to three rainfall stations may be used. Two soil types may be defined. A total of 99 flow planes, channels, pipes, reservoirs, and junctions may be used to define the basin. | |Describe input parameters=Daily precipitation, daily evapotranspiration, and short-interval precipitation are required. Short-interval discharge is required for the optimization option and to calibrate the model. These time series are read from a WDM file. Roughness and hydraulics parameters and sub-catchment areas are required to define the basin. Six parameters are required to calculate infiltration and soil-moisture accounting. Up to three rainfall stations may be used. Two soil types may be defined. A total of 99 flow planes, channels, pipes, reservoirs, and junctions may be used to define the basin. | ||
|Describe output parameters=The computed outflow from any flow plane, pipe, or channel segment for each storm period may be written to the output file or to the WDM file. A summary of the measured and simulated rainfall, runoff, and peak flows is written to the output file. A flat file containing the storm rainfall, measured flow (if available), and simulated flow at user selected sites can be generated. A flat file for each storm containing the total rainfall, the measured peak flow (if available), and the simulated peak flow for user-selected sites | |Describe output parameters=The computed outflow from any flow plane, pipe, or channel segment for each storm period may be written to the output file or to the WDM file. A summary of the measured and simulated rainfall, runoff, and peak flows is written to the output file. A flat file containing the storm rainfall, measured flow (if available), and simulated flow at user selected sites can be generated. A flat file for each storm containing the total rainfall, the measured peak flow (if available), and the simulated peak flow for user-selected sites can be generated. | ||
|Pre-processing software needed?=No | |Pre-processing software needed?=No | ||
|Post-processing software needed?=No | |Post-processing software needed?=No | ||
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{{Process description model | {{Process description model | ||
|Describe processes represented by the model=The rainfall-excess components include soil-moisture accounting, pervious-area rainfall excess, impervious-area rainfall excess, and parameter optimization. The Green-Ampt equation is used in the calculations of infiltration and pervious area rainfall excess. A Rosenbrock optimization procedure may be used to aid in calibrating several of the infiltration and soil-moisture accounting parameters. Kinematic wave theory is used for both overland-flow and channel routing. There are three solution techniques available: method of characteristics, implicit finite difference method, and explicit finite difference method. Two soil types may be defined. Overland flow may be defined as turbulent or laminar. Detention reservoirs may be simulated as linear storage or using a modified-Puls method. Channel segments may be defined as gutter, pipe, triangular cross section, or by explicitly specifying the kinematic channel parameters alpha and m. | |Describe processes represented by the model=The rainfall-excess components include soil-moisture accounting, pervious-area rainfall excess, impervious-area rainfall excess, and parameter optimization. The Green-Ampt equation is used in the calculations of infiltration and pervious area rainfall excess. A Rosenbrock optimization procedure may be used to aid in calibrating several of the infiltration and soil-moisture accounting parameters. Kinematic wave theory is used for both overland-flow and channel routing. There are three solution techniques available: method of characteristics, implicit finite difference method, and explicit finite difference method. Two soil types may be defined. Overland flow may be defined as turbulent or laminar. Detention reservoirs may be simulated as linear storage or using a modified-Puls method. Channel segments may be defined as gutter, pipe, triangular cross section, or by explicitly specifying the kinematic channel parameters alpha and m. | ||
|Describe key physical parameters and equations=-- | |Describe key physical parameters and equations=-- | ||
|Describe length scale and resolution constraints=-- | |Describe length scale and resolution constraints=-- | ||
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* Leclerc, Guy, and Schaake, J.C., Jr., 1973, Methodology for assessing the potential impact of urban development on urban runoff and the relative efficiency of runoff control alternatives: Ralph M. Parsons Laboratory Report no. 167, Massachusetts Institute of Technology, 257 p. | * Leclerc, Guy, and Schaake, J.C., Jr., 1973, Methodology for assessing the potential impact of urban development on urban runoff and the relative efficiency of runoff control alternatives: Ralph M. Parsons Laboratory Report no. 167, Massachusetts Institute of Technology, 257 p. | ||
|Manual model available=No | |Manual model available=No | ||
|Model manual=README DR3M.txt, | |Model manual=README DR3M.txt, | ||
|Model website if any=http://water.usgs.gov/software/dr3m.html | |Model website if any=http://water.usgs.gov/software/dr3m.html | ||
}} | }} | ||
{{Additional comments model | {{Additional comments model |
Revision as of 10:09, 15 September 2009
Contact
Name | U.S. Geological Survey |
Type of contact | Project manager |
Institute / Organization | U.S. Geological Survey |
Postal address 1 | |
Postal address 2 | |
Town / City | Reston |
Postal code | 20192 |
State | Virginia |
Country | USA"USA" is not in the list (Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, ...) of allowed values for the "Country" property. |
Email address | h2osoft@usgs.gov |
Phone | |
Fax |
DR3M
Metadata
Summary
Technical specs
In/Output
Process
Testing
Other
DR3M InformationVisit http://water.usgs.gov/software/DR3M/ for more information or to download the model. History
PapersIssuesHelpInput FilesOutput FilesDownloadSource |