Model:LEMming2

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LEMming2


Metadata

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 Landscape-Scale
Model domain Terrestrial
One-line model description 2D model that simulates the retreat of hard-capped cliffs
Extended model description LEMming2 is a 2D, finite-difference landscape evolution model that simulates the retreat of hard-capped cliffs. It implements common unit-stream-power and linear/nonlinear-diffusion erosion equations on a 2D regular grid. Arbitrary stratigraphy may be defined. Cliff retreat is facilitated by a cellular algorithm, and rockfall debris is distributed and redistributed to the angle of repose. It is a standalone model written in Matlab with some C components.

This repo contains the code used and described by Ward (2019) Lithosphere: "Dip, layer spacing, and incision rate controls on the formation of strike valleys, cuestas, and cliffbands in heterogeneous stratigraphy". Given the inputs in that paper it should generate the same results.

Keywords:
Name Dylan Ward
Type of contact Model developer
Institute / Organization University of Cincinnati
Postal address 1 Dept. of Geology
Postal address 2
Town / City Cincinnati
Postal code 45221
State Ohio
Country United States
Email address dylan.ward@uc.edu
Phone
Fax


Supported platforms
Linux, Mac OS, Windows
Other platform
Programming language

C, Matlab

Other program language
Code optimized Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development 2009
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'? 2020
Model availability As code
Source code availability
(Or provide future intension)
Through web repository
Source web address https://github.com/ddoubleprime/LEMming2
Source csdms web address
Program license type GPL v2
Program license type other
Memory requirements Varies with grid size; 4+GB free recommended
Typical run time Varies with grid size and length of run; minutes to days


Describe input parameters Inputs include grid definitions, erosion rule parameters, uplift time series, stratigraphic geometry, and rock type and rockfall debris erodibility.
Input format ASCII
Other input format ASCII/Matlab input file acts as a namelist.
Describe output parameters Outputs complete Matlab workspace at user-defined intervals. Outputs surface plots at user-defined intervals.

Some scripts are included for additional visualization of output.

Output format Binary
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
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 https://github.com/ddoubleprime/LEMming2
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
Can be coupled with:
Model info
Nr. of publications: 1
Total citations: 13
h-index: 1
m-quotient: 0.17

Link to this page



Introduction

History

References




Nr. of publications: 1
Total citations: 13
h-index: 1
m-quotient: 0.17



Featured publication(s)YearModel describedType of ReferenceCitations
Ward, Dylan J.; 2019. Dip, layer spacing, and incision rate controls on the formation of strike valleys, cuestas, and cliffbands in heterogeneous stratigraphy. Lithosphere, 11, 697–707. 10.1130/L1056.1
(View/edit entry)
2019 LEMming2
Model application 13
See more publications of LEMming2


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Input Files

Output Files