Model:MARSSIM V4

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MARSSIM V4

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Summary Contact Technical specs In/Output Process Testing Other Component info Also known as MARSSIM Model type Single Model part of larger framework Note on status model Date note status model Incorporated models or components: Spatial dimensions 3D Spatial extent Continental, Regional-Scale, Landscape-Scale, Watershed-Scale, Reach-Scale Model domain Terrestrial, Hydrology, Planetary landforms One-line model description MARSSIM terrestrial and planetary Landform Evolution Model Extended model description MARSSIM is a grid based, iterative framework that incorporates selectable modules, including: 1) flow routing, optionally including event-driven flow and evaporation from lakes in depression as a function of relative aridity (Matsubara et al., 2011). Runoff can be spatially uniform or variably distributed. Stream channel morphology (width and depth) is parameterized as a function of effective discharge; 2) bedrock weathering, following Equation 1; 3) spatially variable bedrock resistance to weathering and fluvial erosion, including 3-D stratigraphy and surficial coherent crusts; 4) erosion of bedrock channels using either a stream power relationship (Howard, 1994) or sediment load scour (Sklar and Dietrich, 2004; Chatanantavet and Parker, 2009); 5) sediment routing in alluvial channels including suspended/wash load and a single size of bedload. An optional sediment transport model simulates transport of multiple grain sizes of bedload with sorting and abrasion (Howard et al., 2016); 6) geometric impact cratering modeling optionally using a database of martian fresh crater morphology; 7) vapor sublimation from or condensation on the land surface, with options for rate control by the interaction between incident radiation, reflected light, and local topography; 8) mass wasting utilizing either the Howard (1994) or the Roering et al. (1999, 2001a) rate law. Bedrock can be optionally weathered and mass wasted assuming a critical slope angle steeper than the critical gradient for regolith-mantled slopes. Mass wasted debris is instantaneously routed across exposed bedrock, and the debris flux can be specified to erode the bedrock; 9) groundwater flow using the assumption of hydrostatic pressures and shallow flow relative to cell dimensions. Both recharge and seepage to the surface are modeled. Seepage discharge can be modeled to transport sediment (seepage erosion) or to weather exposed bedrock (groundwater sapping); 10) deep-seated mass flows using either Glen's law or Bingham rheology using a hydrostatic stress assumption; 11) eolian deposition and erosion in which the rate is determined by local topography; 12) lava flow and deposition from one or multiple vents. These model components vary in degree to which they are based on established theory or utilize heuristic Keywords: Landform evolution model, Name Alan Howard Type of contact Model developer Institute / Organization Planetary Science Institute Postal address 1 1700 East Fort Lowell, Suite 106 Postal address 2 Town / City Tucson Postal code 85719 State Arizona Country United States Email address ah6p@virginia.edu Phone 434-981-2035 Fax Supported platforms Unix, Mac OS, Windows Other platform Programming language Fortran90 Other program language Code optimized Single Processor Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development 1991 Does model development still take place? Yes If above answer is no, provide end year model development Code development status Active When did you indicate the 'code development status'? 2021 Model availability As code Source code availability (Or provide future intension) Through CSDMS repository Source web address Source csdms web address https://github.com/csdms-contrib/marssim-v4 Program license type GPL v3 Program license type other Memory requirements depends upon simulated domain Typical run time hours to days Describe input parameters Multiple parameter files, initial conditions matrices Input format ASCII Other input format Describe output parameters ultiple state variables and summary data Output format ASCII, Binary Other output format Pre-processing software needed? Yes Describe pre-processing software Preparation if input files, particularly initial elevation matrix. Post-processing software needed? Yes Describe post-processing software As needed to process data. Some data in "Photoshop Raw" format Visualization software needed? Yes If above answer is yes Other visualization software Some data in "Photoshop Raw" format Describe processes represented by the model MARSSIM is a grid based, iterative framework that incorporates selectable modules, including: 1) flow routing, optionally including event-driven flow and evaporation from lakes in depression as a function of relative aridity (Matsubara et al., 2011). Runoff can be spatially uniform or variably distributed. Stream channel morphology (width and depth) is parameterized as a function of effective discharge; 2) bedrock weathering, following Equation 1; 3) spatially variable bedrock resistance to weathering and fluvial erosion, including 3-D stratigraphy and surficial coherent crusts; 4) erosion of bedrock channels using either a stream power relationship (Howard, 1994) or sediment load scour (Sklar and Dietrich, 2004; Chatanantavet and Parker, 2009); 5) sediment routing in alluvial channels including suspended/wash load and a single size of bedload. An optional sediment transport model simulates transport of multiple grain sizes of bedload with sorting and abrasion (Howard et al., 2016); 6) geometric impact cratering modeling optionally using a database of martian fresh crater morphology; 7) vapor sublimation from or condensation on the land surface, with options for rate control by the interaction between incident radiation, reflected light, and local topography; 8) mass wasting utilizing either the Howard (1994) or the Roering et al. (1999, 2001a) rate law. Bedrock can be optionally weathered and mass wasted assuming a critical slope angle steeper than the critical gradient for regolith-mantled slopes. Mass wasted debris is instantaneously routed across exposed bedrock, and the debris flux can be specified to erode the bedrock; 9) groundwater flow using the assumption of hydrostatic pressures and shallow flow relative to cell dimensions. Both recharge and seepage to the surface are modeled. Seepage discharge can be modeled to transport sediment (seepage erosion) or to weather exposed bedrock (groundwater sapping); 10) deep-seated mass flows using either Glen's law or Bingham rheology using a hydrostatic stress assumption; 11) eolian deposition and erosion in which the rate is determined by local topography; 12) lava flow and deposition from one or multiple vents. These model components vary in degree to which they are based on established theory or utilize heuristic Describe key physical parameters and equations See documentation and published papers using MARSSIM Describe length scale and resolution constraints None except elapsed time and memory limits. Describe time scale and resolution constraints None except elapsed time and memory limits. Describe any numerical limitations and issues Maximum timestep must be determined by trial. Describe available calibration data sets Default parameter and input files will produce steady state landscape with stream power erosion and mass wasting Upload calibration data sets if available: Describe available test data sets None at present - forthcoming Upload test data sets if available: Describe ideal data for testing None Do you have current or future plans for collaborating with other researchers? Collaborators welcome. Is there a manual available? Yes Upload manual if available: Media:Marssim v4 documentation.pdf ‎ Model website if any 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 No but possible PyMT component No but possible Is this a data component No Can be coupled with:

Model info Authors Alan Howard Source code View in CSDMS GitHub repository Model citations Nr. of publications: 2 Total citations: 1208 h-index: 2 m-quotient: 0.06 QR-code Link to this page Other models by author MARSSIM MARSSIM V4 SINUOUS

Introduction

MARSSIM V4 is a Landform Evolution Model targeting both terrestrial and planetary landscape evolution. It is primarily intended for regional-scale landscapes involving multiple processes acting through time, potentially involving events such as impact cratering or base-level changes. The program is written in Fortran and involves multiple process modules. A Python-based GUI is included with the model, primarily intended for editing parameter files and providing detailed information about parameters and model usage.

References

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Nr. of publications:	2
Total citations:	1208
h-index:	2
m-quotient:	0.06

Featured reference(s)	Open Access Status	Year	Type of Reference	Cited
Howard, Alan D.; Tierney, Heather E.; 2012. Taking the measure of a landscape: Comparing a simulated and natural landscape in the Virginia Coastal Plain. Geomorphology, 13727–40. 10.1016/j.geomorph.2010.09.031	closed	2012	a module application description	8
Howard, Alan D.; 2007. Simulating the development of Martian highland landscapes through the interaction of impact cratering, fluvial erosion, and variable hydrologic forcing. Geomorphology, 91332–363. 10.1016/j.geomorph.2007.04.017	closed	2007	module related theory	156
Howard, Alan D.; 1994. A detachment-limited model of drainage basin evolution. Water Resources Research, 302261–2285. 10.1029/94WR00757	closed	1994	a module overview describing a module	1200

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