Model:ErosionDeposition

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ErosionDeposition

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Summary Contact Technical specs In/Output Process Testing Other Component info Also known as Landlab ErosionDeposition component Model type Single Model part of larger framework LandLab Note on status model Date note status model Incorporated models or components: Spatial dimensions 2D Spatial extent Continental, Landscape-Scale, Reach-Scale, Regional-Scale, Watershed-Scale Model domain Terrestrial One-line model description Landlab component for fluvial erosion/deposition. Extended model description The Landlab ErosionDeposition component calculates fluvial erosion and deposition of a single substrate as derived by Davy and Lague (2009, Journal of Geophysical Research). Mass is simultaneously conserved in two reservoirs: the bed and the water column. ErosionDeposition dynamically transitions between detachment-limited and transport-limited behavior, but is limited to erosion of a single substrate (e.g., sediment or bedrock but not both). Keywords: River Erosion, Sediment Transport, Landscape Evolution, Name Charles Shobe Type of contact Model developer Institute / Organization CIRES and Department of Geological Sciences, University of Colorado Postal address 1 UCB 399 Postal address 2 Town / City Boulder Postal code 80309-0399 State Colorado Country United States Email address charles.shobe@colorado.edu Phone Fax Supported platforms Unix, Linux, Mac OS, Windows Other platform Programming language Python Other program language Code optimized Single Processor Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development 2017 Does model development still take place? No If above answer is no, provide end year model development 2017 Code development status When did you indicate the 'code development status'? Model availability Source code availability (Or provide future intension) Through web repository Source web address https://github.com/landlab/landlab/tree/master/landlab/components/erosion_deposition Source csdms web address Program license type BSD or MIT X11 Program license type other Memory requirements variable Typical run time variable; minutes to hours Describe input parameters [[Describe input parameters model::Parameters ---------- grid : ModelGrid Landlab ModelGrid object K : float Erodibility constant for substrate (units vary). phi : float Sediment porosity [-]. v_s : float Effective settling velocity for chosen grain size metric [L/T]. m_sp : float Drainage area exponent (units vary) n_sp : float Slope exponent (units vary) sp_crit : float Critical stream power to erode substrate [E/(TL^2)] F_f : float Fraction of eroded material that turns into "fines" that do not contribute to (coarse) sediment load. Defaults to zero. method : string Either "simple_stream_power", "threshold_stream_power", or "stochastic_hydrology". Method for calculating sediment and bedrock entrainment/erosion. discharge_method : string Either "area_field" or "discharge_field". If using stochastic hydrology, determines whether component is supplied with drainage area or discharge. area_field : string or array Used if discharge_method = 'area_field'. Either field name or array of length(number_of_nodes) containing drainage areas [L^2]. discharge_field : string or array Used if discharge_method = 'discharge_field'.Either field name or array of length(number_of_nodes) containing drainage areas [L^2/T]. solver : string Solver to use. Options at present include: (1) 'basic' (default): explicit forward-time extrapolation. Simple but will become unstable if time step is too large. (2) 'adaptive': adaptive time-step solver that estimates a stable step size based on the shortest time to "flattening" among all upstream-downstream node pairs.]] Input format Other input format Arguments are passed within Landlab driver script Describe output parameters Model returns modified 'topographic__elevation', the model grid field holding model node elevations. Output format Other output format Landlab grid field 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 Fluvial sediment entrainment and deposition Describe key physical parameters and equations See Davy and Lague (2009, Journal of Geophysical Research) for full model description. Describe length scale and resolution constraints Length scale: ~10's of meters to ~1000's of km Describe time scale and resolution constraints Time scale: Days to millions of years 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 Model forum / discussion board Comments This part will be filled out by CSDMS staff OpenMI compliant Yes BMI compliant Yes WMT component Yes PyMT component Yes Is this a data component Can be coupled with:

Model info Authors Charles Shobe Source code Go to external source code site Model citations Nr. of publications: -- Total citations: 0 h-index: --"--" is not a number. m-quotient: 0 QR-code Link to this page Other models by author BRaKE BlockLab Drainage Density ErosionDeposition SPACE

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Total citations:	0
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Featured publication(s)	Year	Model described	Type of Reference	Citations
Davy, Philippe; Lague, Dimitri; 2009. Fluvial erosion/transport equation of landscape evolution models revisited. Journal of Geophysical Research, 114, F03007. 10.1029/2008JF001146 (View/edit entry)	2009	ErosionDeposition	Related theory	156
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