Model:MCPM

MCPM

Also known as	Marsh Channel and Platform Model
Model type	Single
Model part of larger framework

Incorporated models or components:

Spatial dimensions	1D
Spatial extent	Reach-Scale, Watershed-Scale
Model domain	Coastal
One-line model description	A stand alone model for the morphological evolution of an idealized transect across a marsh channel-and-platform.
Extended model description	A stand alone model for an idealized transect across a marsh channel-and-platform. The model simulates morphological evolution from sub-tidal to millennial time scales. In particular, the model explores the effect that soil creep (of both vegetated and unvegetated mud) has on channel bank dynamics, e.g., bank slumping. The model is written in Matlab.

Keywords:

Supported platforms	Unix, Linux, Mac OS, Windows
Other platform
Programming language	Matlab
Other program language
Code optimized	Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development
Does model development still take place?	Yes
If above answer is no, provide end year model development
Code development status	Only maintenance
When did you indicate the 'code development status'?	2020
Model availability	As code
Source code availability (Or provide future intension)	Through web repository, Through CSDMS repository
Source web address	https://data.gulfresearchinitiative.org/data/R4.x264.196:0007
Source csdms web address	https://github.com/csdms-contrib/MCPM
Program license type	BSD or MIT X11
Program license type other
Memory requirements	10 Mb
Typical run time	minutes to hours

Describe input parameters	Cross section width Channel length Tidal range Mud erodability Mud critical shear stress Settling velocity Creep coefficient for unvegetated mud Creep coefficient for vegetated mud (marsh) Boundary suspended sediment concentration (during flood) Maximum vegetation biomass Minimum elevation for vegetation growth Maximum elevation for vegetation growth Parameters for organic sediment production Rate of relative sea level rise
Input format	ASCII
Other input format
Describe output parameters	Water level Water velocity Bed shear stress Suspended sediment concentration Bed elevation
Output format
Other output format	Matlab variables
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	Sediment advection/diffusion Sediment settling Bed erosion Soil creep Organic sediment production Increase in effective settling due to vegetation Increase in drag due to vegetation
Describe key physical parameters and equations	-Creep simulated as a linear diffusion process, with vegetation dependent diffusivity -Suspended sediment concentration variable in time and space throughout the cross section
Describe length scale and resolution constraints	Spatial resolution 0.1-1 m Cross section generally 100 m wide
Describe time scale and resolution constraints	Time resolution ~ 1 minute (it explicitly simulates tides)
Describe any numerical limitations and issues	Quasi-static tide propagation. Flow neglected when water depth too small.

Describe available calibration data sets
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Describe available test data sets
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Describe ideal data for testing

Do you have current or future plans for collaborating with other researchers?

Is there a manual available?	No
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Model website if any
Model forum / discussion board

Comments	Mariotti, G., W.S. Kearney, S. Fagherazzi, (2016), Soil creep in salt marshes, Geology, 44 (6), 459-462.

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