Model:GEOMBEST-Plus

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GEOMBEST-Plus


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
Model domain Coastal
One-line model description 2D cross-shore geomorphological model of barrier island and marsh response to sea level rise.
Extended model description “GEOMBEST-Plus” (Geomorphic Model of Barrier, Estuarine, and Shoreface Translations) is a new morphological-behaviour model that simulates the evolution of coastal morphology and stratigraphy, resulting from changes in sea level, and sediment volume within the shoreface, barrier and estuary. GEOMBEST-Plus differs from other large-scale behaviour models (e.g. Bruun, 1962; Dean and Maumeyer, 1983; Cowell et al., 1995; Niedoroda et al., 1995, Stive & de Vriend, 1995 and Storms et al., 2002) by relaxing the assumption that the initial substrate (i.e stratigraphy) is comprised of an unlimited supply of unconsolidated material (typically sand). The substrate is instead defined by distinct stratigraphic units characterized by their erodibility and sediment composition. Additionally, GEOMBEST-Plus differs from its predecessor (GEOMBEST) by adding in a dynamic stratigraphic unit for a backbarrier marsh. Accordingly, the effects of geological framework on morphological evolution and shoreline translation can be simulated.
Keywords:

overwash, sea level rise, barrier island, marsh,

Name David Walters
Type of contact Model developer
Institute / Organization Virginia Institute of Marine Science
Postal address 1 1375 Greate Road
Postal address 2
Town / City Gloucester Point
Postal code 23062
State Virginia
Country United States
Email address dcwalters@vims.edu
Phone
Fax


Name Laura Moore
Type of contact Model developer
Institute / Organization University of North Carolina - Chapel Hill
Postal address 1
Postal address 2
Town / City Chapel Hill
Postal code
State North Carolina
Country United States
Email address laura.moore@unc.edu
Phone
Fax


Name Orencio Duran
Type of contact Model developer
Institute / Organization MARUM Center for Marine Environmental Sciences
Postal address 1
Postal address 2
Town / City Bremen
Postal code
State
Country Germany
Email address orencioduran@me.com
Phone
Fax


Name Sergio Fagherazzi
Type of contact Model developer
Institute / Organization Boston University
Postal address 1
Postal address 2
Town / City Boston
Postal code
State Massachusetts
Country United States
Email address sergio@bu.edu
Phone
Fax


Name Giulio Mariotti
Type of contact Model developer
Institute / Organization Louisiana State University
Postal address 1
Postal address 2
Town / City Baton Rouge
Postal code
State Louisiana
Country United States
Email address gmariotti@lsu.edu
Phone
Fax


Supported platforms
Windows
Other platform
Programming language

Matlab

Other program language
Code optimized
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development 2013
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 CSDMS repository
Source web address
Source csdms web address https://github.com/csdms-contrib/geombest-plus
Program license type GPL v2
Program license type other
Memory requirements 350 KB
Typical run time 5 years model time per second


Describe input parameters Description:

Note: See also the GEOMBEST+ Users Guide, section 6

A minimum of four excel files are required to run a GEOMBEST-Plus simulation: an “erosionresponse” file, an “accretionresponse” file, a “run#” file, and a “tract#” file. If the simulation involves a single coastal tract then the files must be titled “erosionresponse”, “accretionreponse”, “run1” file and “tract1.” Quasi-3D simulations require additional files with sequential numbers. For example a simulation involving 3 tracts within a littoral cell also requires a “run2” and “run3” file as well as a “tract2” and “tract3” file. These files must conform to the strict format outlined in the following sections. If you are running multiple simulations of the same tract, you can use the multiple input and output files to keep track of your simulations. Caution: Note that the run# and tract# files will have the same name (tract1, run1, etc., see below) for all simulations and so attention to organization is critical. We suggest noting the changes made in each simulation in a readme file and then moving this file, as well as the input and output folders for each simulation, to a unique folder having an identifying name. Our convention, for example, has been to name each run with using the date and run number on that date as the identifier, e.g., the first simulation run on February 20, 2010 would be titled 02_20_10_01and would be placed in a folder having this name.

6.1: “erosionresponse” file
6.2: “accretionresponse” file
6.3: “run#” file
6.4: “tract#” file

Input format
Other input format excel
Describe output parameters Output parameters:
  • Marsh boundary - gives the position of the backbarrier marsh edge through time
  • Shorelines - gives the position of the barrier shoreline through time
  • step number - saves the surface morphology and stratigraphy for the model at each time step
Output format
Other output format MAT-file
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 Processes represented:

Note: See also the GEOMBEST+ Users Guide, section 4

4.1 Equilibrium profile
4.2: Sea Level Change
4.3: Initial Morphology/Stratigraphy
4.4: Depth-Dependant Shoreface Response Rate
4.5: Backbarrier Deposition
4.6: Bay and Marsh Infilling

Describe key physical parameters and equations
Describe length scale and resolution constraints Constraints:
  • Cell length - 10 - 100 meters
  • Cell height - 0.01 - 0.5 meters
Describe time scale and resolution constraints Constraints:
  • Time step - 1 - 50 years
  • Duration - Hundreds to thousands of years
Describe any numerical limitations and issues


Describe available calibration data sets
Upload calibration data sets if available:
Describe available test data sets Sample input files used to create plots shown in manual.
Upload test data sets if available: Media:Accretionresponse.xlsx, Media:Erosionresponse.xlsx, Media:Tract1.xlsx, Media:Run1.xlsx
Describe ideal data for testing


Do you have current or future plans for collaborating with other researchers?
Is there a manual available? Yes
Upload manual if available: Media:Geombest+ Users Guide.doc
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
Is this a data component
DOI model 10.5281/zenodo.16687
For model version 1.0
Year version submitted 2015
Link to file https://csdms.colorado.edu/pub/models/doi-source-code/geombest-plus-1.0.zip
Can be coupled with:
Model info
David Walters
Moore, Duran, Fagherazzi, Mariotti

  • Download GEOMBEST-Plus version: 1.0
    Doi: 10.5281/zenodo.16687
Nr. of publications: 1
Total citations: 0
h-index: --"--" is not a number.
m-quotient: 0
Qrcode GEOMBEST-Plus.png
Link to this page



Introduction

History

References




Nr. of publications: 1
Total citations: 0
h-index: --"--" is not a number.
m-quotient: 0



Featured publication(s)YearModel describedType of ReferenceCitations
Walters, D.; Moore, L.; Duran, O.; Fagherazzi, S.; Mariotti, G.; 2015. Geombest-Plus: Release 1.0. , , https://zenodo.org/record/16687. 10.5281/zenodo.16687
(View/edit entry)
2015 GEOMBEST-Plus

Source code ref.

0
See more publications of GEOMBEST-Plus


Issues

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Input Files

Output Files