Model:DLBRM

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DLBRM

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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 2D Spatial extent Watershed-Scale Model domain One-line model description Distributed Large Basin Runoff Model Extended model description The DLBRM is a distributed, physically based, watershed hydrology model that subdivides a watershed into a 1 km2 grid network and simulates hydrologic processes for the entire watershed sequentially. Keywords: basins, fluvial morphodynamics, pollutants, Name Thomas Croley Type of contact Model developer Institute / Organization NOAA/GLERL Postal address 1 NOAA/GLERL, 4840 S. State Rd. Postal address 2 Town / City Ann Arbor Postal code 48108-9719 State Michigan Country United States Email address tom.croley@noaa.gov Phone (734) 741-2238 Fax (734) 741-2055 Name Timothy Hunter Type of contact Model developer Institute / Organization NOAA/GLERL Postal address 1 NOAA/GLERL, 4840 S. State Rd. Postal address 2 Town / City Ann Arbor Postal code 48108-9719 State Michigan Country United States Email address tim.hunter@noaa.gov Phone 734-741-2344 Fax 734-741-2055 Supported platforms Unix, Linux, Windows Other platform Programming language Other program language Fortran95 Code optimized Single Processor Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development Does model development still take place? No If above answer is no, provide end year model development 2010 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://www.glerl.noaa.gov/wr/lbrmexamples.html Source csdms web address Program license type Other Program license type other -- Memory requirements All memory is dynamically sized on the basis of the number of cells in the watershed, so memory requirements are scaled with the size of the watershed. Typical run time Describe input parameters For every cell in the watershed grid, daily precipitation and air temperature, solar isolation, elevation, slope, flow direction, land use, depths (cm) of USZ (Upper Soil Zone) and LSZ (Lower Soil Zone), available water capacity (%) of USZ and LSZ, soil texture, permeability (cm/h) of USZ and LSZ, Manning's coefficient values, and daily flows (Changsheng He and Thomas E. Croley II, 2007). Input format ASCII Other input format Describe output parameters DLBRM output includes, for every cell in the watershed grid, surface runoff to surface storage, infiltration to USZ, ET, ETP, percolation from USZ to LSZ, interflow from LSZ to surface storage, deep percolation from LSZ to groundwater storage, groundwater flow from groundwater storage to surface storage, surface moisture storage, USZ, and LSZ moisture storages, groundwater storage, and lateral flows from storages to adjacent cells for the surface (channel outflow), USZ, LSZ, and groundwater (Changsheng He and Thomas E. Croley II, 2007). Output format ASCII 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 Precipitation enters the snowpack, if present, and is then available as snowmelt, depending mainly on air temperature and solar radiation. Snowmelt and rainfall partly infiltrate infiltrate into the soil and partly run off directly to surface storage, depending upon the moisture content of the soil. Infiltration is high if the soil is dry, and surface runoff is high if the soil is saturated. Soil moisture evaporates or is transpired by vegetation, depending on the types of vegetation, the season, solar radiation, air temperature, humidity, and wind speed. The remainder percolates into deeper basin storages that feed surface storage through interflows and groundwater flows. Generally, these supplies are high if the soil and groundwater storages are large. Finally, there is a flow into surface storage from the upstream cell, which is routed, along with all the other flows into surface storage, through the cell into the next downstream cell. Describe key physical parameters and equations Croley, T. E., II, and He, C. (2005). “Distributed-parameter large basin runoff model. I: Model development.” J. Hydrol. Eng., 10(3), 173–181. Describe length scale and resolution constraints Describe time scale and resolution constraints Describe any numerical limitations and issues Describe available calibration data sets See: Croley, T. E., II, C. He, and D. H. Lee, 2005. Distributed-parameter large basin runoff model II: application. Journal of Hydrologic Engineering, 10(3):182-191. C.He, and Croley, T.E., 2007. Application of a distributed large basin runoff model in the Great Lakes basin. Control Engineering Practice, 15(8): 1001-1011. Upload calibration data sets if available: Describe available test data sets The LBRM model has been applied to 121 large watersheds surrounding the Laurentian Great Lakes since its development in the 1980s. 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://www.glerl.noaa.gov/res/Programs/pep/dlbrm/home.html Model forum / discussion board Comments 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 Thomas Croley Hunter Source code Go to external source code site Model citations Nr. of publications: 14 Total citations: 321 h-index: 10 m-quotient: 0.42 QR-code Link to this page Other models by author DLBRM

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