Model:DR3M

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DR3M

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Summary Contact Technical specs In/Output Process Testing Other Component info Also known as Model type Single Model part of larger framework Note on status model Date note status model Incorporated models or components: Spatial dimensions Spatial extent Model domain One-line model description Distributed Routing Rainfall-Runoff Model--version II Extended model description DR3M is a watershed model for routing storm runoff through a Branched system of pipes and (or) natural channels using rainfall as input. DR3M provides detailed simulation of storm-runoff periods selected by the user. There is daily soil-moisture accounting between storms. A drainage basin is represented as a set of overland-flow, channel, and reservoir segments, which jointly describe the drainage features of the basin. This model is usually used to simulate small urban basins. Interflow and base flow are not simulated. Snow accumulation and snowmelt are not simulated. Keywords: basins, Name Geological Survey U.S. 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 United States Email address h2osoft@usgs.gov Phone Fax Supported platforms Unix, Windows Other platform Programming language Fortran77 Other program language Code optimized Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development 1972 Does model development still take place? No If above answer is no, provide end year model development 1996 Code development status When did you indicate the 'code development status'? Model availability As code Source code availability (Or provide future intension) Through web repository Source web address http://water.usgs.gov/software/DR3M/ Source csdms web address Program license type Other Program license type other -- Memory requirements -- Typical run time -- 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. Input format Other input format 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. Output format Other output format Pre-processing software needed? No Describe pre-processing software Post-processing software needed? No Describe post-processing software Visualization software needed? No If above answer is yes Other visualization software 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 length scale and resolution constraints -- Describe time scale and resolution constraints -- Describe any numerical limitations and issues -- Describe available calibration data sets Upload calibration data sets if available: Describe available test data sets Upload test data sets if available: Describe ideal data for testing Do you have current or future plans for collaborating with other researchers? -- Is there a manual available? No Upload manual if available: Model website if any http://water.usgs.gov/software/dr3m.html Model forum / discussion board Comments TRAINING Watershed Systems Modeling I (SW2008TC), offered annually at the USGS National Training Center. Watershed Systems Modeling II (SW3018TC), offered upon request at the USGS National Training Center. This part will be filled out by CSDMS staff OpenMI compliant No but possible BMI compliant No but possible WMT component Not yet"Not yet" is not in the list (Yes, In progress, No but possible, No not possible) of allowed values for the "Code CMT compliant or not" property. PyMT component Is this a data component Can be coupled with:

Model info Authors Geological Survey U.S. Source code Go to external source code site Model citations Nr. of publications: 14 Total citations: 352 h-index: 8 m-quotient: 0.15 QR-code Link to this page Other models by author DR3M

DR3M Information

Visit http://water.usgs.gov/software/DR3M/ for more information or to download the model.

History

• 1991 - DR3M-version II, added option to output simulated time-series data to Watershed Data Management (WDM) file. Output file modified to reduce width from 132 characters to 80 characters or less.
• 1984 - DR3M-version II, WDM file replaces "card" input of time-series data.
• 1982 - DR3M-version II, added two solution techniques for kinematic wave routing. Improved general output.
• 1978 - Original DR3M version, incorporated the routing component from a version of the Massachusetts Institute of Technology catchment model into the lumped parameter rainfall-runoff model.
• 1972 - A lumped parameter rainfall-runoff model for small rural watersheds

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Nr. of publications:	14
Total citations:	352
h-index:	8
m-quotient:	0.15

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