Model:MARSSIM: Difference between revisions

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|Extended model description=A landform evolution model operating at the drainage basin or larger scale. Recent model development has targeted planetary applications.
|Extended model description=A landform evolution model operating at the drainage basin or larger scale. Recent model development has targeted planetary applications.
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|Model keywords=landscape evolution
|Model keywords=landscape evolution
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|Supported platforms=Linux, Windows
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|CMT component=In progress
|CMT component=In progress
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Revision as of 16:08, 23 June 2011

Name Alan Howard
Type of contact Model developer
Institute / Organization University of Virginia
Postal address 1 P.O. Box 400123
Postal address 2
Town / City Charlottesville
Postal code 22904-4123
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 ah6p@virginia.edu
Phone 434-924-0566
Fax 434-982-2137



MARSSIM


Metadata

Also known as
Model type Modular
Model part of larger framework
Note on status model
Date note status model
Keywords:

landscape evolution,

Supported platforms
Linux, Windows
Other platform
Programming language

Fortran90

Other program language
Code optimized
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development 1990
Does model development still take place? Yes
If above answer is no, provide end year model development
Code development status
When did you indicate the 'code development status'?
Model availability As code
Source code availability
(Or provide future intension) 		Through CSDMS repository
Source web address
Source csdms web address
Program license type Other
Program license type other None
Memory requirements Variable - dynamic arrays
Typical run time hour to days


Describe input parameters Initial elevation file.

File specifying boundary conditions, run time, process options, and parameter values.

Input format ASCII
Other input format
Describe output parameters RAW image files of elevation and shaded relief.

ASCII file of elevations at specified times. ASCII files of other state variables as desired at specified times. Iteration-by-iteration summary file

Output format ASCII
Other output format
Pre-processing software needed? No
Describe pre-processing software
Post-processing software needed? Yes
Describe post-processing software Photoshop to produce movies. Conversions to a variety of data formats.
Visualization software needed? Yes
If above answer is yes
Other visualization software Surfer for topographic maps


Describe processes represented by the model Bedrock fluvial incision (shear stress or sediment flux dependency).

Mass wasting (creep and threshold-limited). Bedload sediment transport & deposition in streams, fans, deltas. Impact cratering, aeolian deposition, lava flows. Flow routing with evaporation from depressions.

Describe key physical parameters and equations Bedrock erodibility, mass wasting diffusivity, bed material grain size, flow hydrologic parameters, relative evaporation rate, cratering size distribution and rate, eolian deposition parameters, etc.
Describe length scale and resolution constraints Variable - targeted towards drainage basin or larger scales. Spatial scale determined by input parameter and run-time specification of array dimentions. Uses rectangular grid cells.
Describe time scale and resolution constraints Variable - Limited by computer speed.
Describe any numerical limitations and issues Runs with grid sizes greater than about 600x600 may require many days on a PC.

Model assumes fluvial streams have gradients determined by steady-state transport.

Depositional stratigraphy not modeled.


Describe available calibration data sets None
Upload calibration data sets if available:
Describe available test data sets Example runs for most types of simulation scenarios
Upload test data sets if available:
Describe ideal data for testing None


Do you have current or future plans for collaborating with other researchers? Yes, at present primarily in the planetary community.
Is there a manual available? Yes
Upload manual if available: Media:marssim_program.pdf
Model website if any http://erode.evsc.virginia.edu
Model forum / discussion board
Comments Most recent model available from ah6p@virginia.edu.


This part will be filled out by CSDMS staff

OpenMI compliant No but possible
BMI compliant No but possible
WMT component In progress
PyMT component
Is this a data component
Can be coupled with:
Model info
Authors
Alan Howard
Source code
DOI

Model citations
Nr. of publications: 7
Total citations: 1399
h-index: 6
m-quotient: 0.19
QR-code

Link to this page
Other models by author


Download statistics

<pbars ytitle=Downloads Title='Monthly Downloads marssim' xlabels=true size=900x200 ymax=20 grid=true box=true cubic=true plots=open xformat=number connected=true angle=90 legend> ,Total downloads: 120 2008 - Jan,0 Feb,0 Mar,0 Apr,0 May,0 Jun,0 Jul,0 Aug,0 Sep,0 Oct,0 Nov,0 Dec,0 2009 - Jan,0 Feb,0 Mar,0 Apr,0 May,0 Jun,9 Jul,0 Aug,1 Sep,3 Oct,2 Nov,3 Dec,1 2010 - Jan,5 Feb,7 Mar,6 Apr,1 May,6 Jun,5 Jul,0 Aug,4 Sep,3 Oct,0 Nov,4 Dec,3 2011 - Jan,0 Feb,2 Mar,1 Apr,0 May,0 Jun,1 Jul,0 Aug,0 Sep,3 Oct,1 Nov,1 Dec,1 2012 - Jan,1 Feb,0 Mar,1 Apr,0 May,2 Jun,1 Jul,2 Aug,0 Sep,1 Oct,1 Nov,1 Dec,1 2013 - Jan,0 Feb,5 Mar,2 Apr,1 May,1 Jun,1 Jul,3 Aug,1 Sep,5 Oct,0 Nov,1 Dec,0 2014 - Jan,0 Feb,1 Mar,0 Apr,3 May,0 Jun,1 Jul,2 Aug,2 Sep,4 Oct,0 Nov,1 Dec,1 2015 - Jan,0 Feb,1 Mar,0 Apr,0 May,0 Jun,0 Jul,0 </pbars>

Introduction

History

Papers

Issues

Help

Documentation that describes MARSSIM subroutines and functions, input and output files, and literature references can be found here: marssim_program.pdf

Input Files

See: marssim_program.pdf

Output Files

See: marssim_program.pdf

Download source code

Template:Download Model

Accessory MARSSIM programs can be downloaded here: accessory_programs.zip

Example simulations are for a variety of scenarios are generated and can be downloaded below:

  • Accretion
  • Arid_slope
  • Bedrock: (download these 2 files and place Resist.in in the bedrock folder)
  1. Bedrock
  2. Resist.in
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