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Also known as Wetland 3 point
Model type Single
Model part of larger framework
Note on status model
Date note status model
Incorporated models or components:
Spatial dimensions 1D
Spatial extent Landscape-Scale
Model domain Coastal
One-line model description A 3-point dynamic model for the morphological evolution of a backbarrier basin composed by marshes and mudflats
Extended model description The model simplifies the geometry of a backbarrier tidal basin with 3 variables: marsh depth, mudflat depth, mudflat width. These 3 variables are evolved by sediment redistribution driven by wave processes. Sediment are exchanged with the open ocean, which is an external reservoir. Organic sediments are produced on the marsh platform.
Name giulio mariotti
Type of contact Model developer
Institute / Organization MIT
Postal address 1 77 Massachusetts Ave
Postal address 2
Town / City Cambridge
Postal code 02139
State Massachusetts
Country United States
Email address
Phone 6173243950

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


Other program language
Code optimized Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development 2012
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 CSDMS repository
Source web address
Source csdms web address
Program license type GPL v2
Program license type other
Memory requirements
Typical run time 1 second

Describe input parameters Marsh vegetation and mudflat sediment characteristics

Backbarrier basin width Reference wind speed Tidal range Reference sediment concentration

Input format ASCII
Other input format
Describe output parameters Marsh depth, mudflat depth, mudflat width
Output format ASCII
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 Marsh boundary erosion by waves

Marsh boundary progradation by accumulating sediments Mudflat sediment erosion/deposition by wind waves Sediment exchange between mudflat and open ocean Sediment exchange between mudflat and marsh platform Organogenic sediment production on marsh platform

Describe key physical parameters and equations
Describe length scale and resolution constraints length scale resolved 1-10 m
Describe time scale and resolution constraints time step ~ 1-100 days

do not resolve tides

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 Model described in:

G. Mariotti, and J. Carr, (2014), Dual role of salt marsh retreat: Long-term loss and short-term resilience, WRR, DOI: 10.1002/2013WR014676. The source code reproduce figure 2 of this paper.

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
Is this a data component
Can be coupled with:
Model info
giulio mariotti
Nr. of publications: 1
Total citations: 94
h-index: 1
m-quotient: 0.1
Qrcode Wetland3P.png
Link to this page




Nr. of publications: 1
Total citations: 94
h-index: 1
m-quotient: 0.1

Featured publication(s)YearModel describedType of ReferenceCitations
Mariotti, G.; Carr, J.; 2014. Dual role of salt marsh retreat: Long-term loss and short-term resilience. Water Resources Research, 50, 2963–2974. 10.1002/2013WR014676
(View/edit entry)
2014 Wetland3P
Model application 94
See more publications of Wetland3P



Input Files

Output Files