Model:BarrierBMFT: Difference between revisions

Latest revision as of 11:17, 6 June 2025

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	1D
Spatial extent	Landscape-Scale
Model domain	Coastal, Ecosystems
One-line model description	Barrier-Bay-Marsh-Forest Transect Coupled Model Framework
Extended model description	BarrierBMFT is a coupled model framework for exploring morphodynamic interactions across components of the entire coastal barrier system, from the ocean shoreface to the mainland forest. The model framework couples Barrier3D (Reeves et al., 2021), a spatially explicit model of barrier evolution, with the Python version of the Coastal Landscape Transect model (CoLT; Valentine et al., 2023), known as PyBMFT-C (Bay-Marsh-Forest Transect Model with Carbon). In the BarrierBMFT coupled model framework, two PyBMFT-C simulations drive evolution of back-barrier marsh, bay, mainland marsh, and forest ecosystems, and a Barrier3D simulation drives evolution of barrier and back-barrier marsh ecosystems. As these model components simultaneously advance, they dynamically evolve together by sharing information annually to capture the effects of key cross-landscape couplings. BarrierBMFT contains no new governing equations or parameterizations itself, but rather is a framework for trading information between Barrier3D and PyBMFT-C. The use of this coupled model framework requires Barrier3D v2.0 (https://doi.org/10.5281/zenodo.7604068) and PyBMFT-C v1.0 (https://doi.org/10.5281/zenodo.7853803).

Keywords:	marsh, ecogemorphology, barrier, coastal,

Supported platforms	Mac OS, Windows
Other platform
Programming language	Python
Other program language
Code optimized
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development	2021
Does model development still take place?	Yes
If above answer is no, provide end year model development
Code development status	As is, no updates are provided
When did you indicate the 'code development status'?	2022
Model availability	As code
Source code availability (Or provide future intension)	Through web repository
Source web address	https://github.com/UNC-CECL/BarrierBMFT
Source csdms web address
Program license type	GPL v3
Program license type other
Memory requirements
Typical run time

Describe input parameters	The use of this coupled model framework requires Barrier3D v2.0 (https://doi.org/10.5281/zenodo.7604068) and PyBMFT-C v1.0 (https://doi.org/10.5281/zenodo.7853803). 1) barrier3d-parameters.yaml: yaml-formatted text file containing initial values for all static and dynamic variables 2) barrier3d-elevation.npy: Initial interior elevation grid 3) barrier3d-storms.npy: Stochastically generated sequence of storms 4) barrier3d-dunes.npy: Initial height of dune cells 5) barrier3d-growthparam.npy: Alongshore varying growth rates for the dune domain 6) Equilibrium Bay Depth.mat: Array of bay depths for a given combination of rate of sea level rise and external sediment supply 7) MarshStrat.mat: Initial marsh stratigraphy
Input format
Other input format
Describe output parameters	Extent, and elevation, and cross-shore boundary locations of barrier, marsh (back-barrier and mainland), bay, and forest ecosystems; organic and mineral deposition; shoreline locations; dune elevations; overwash & shoreface fluxes
Output format
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	Explores ecogeomorphic couplings between adjacent and non-adjacent components of the entire coastal barrier system, from the ocean shoreface to the mainland forest. Processes include: Dune growth and storm erosion; storm overwash; shoreline change (ocean and back-barrier); dynamic shoreface response to sea-level rise, overwash, and dune growth; horizontal and vertical marsh dynamics; bay depth changes with wind waves; marsh migration into coastal forests; sediment exchange between barrier-marsh-bay-forest ecosystems; and carbon processes associated with ecogeomorphic changes.
Describe key physical parameters and equations
Describe length scale and resolution constraints	Cross-shore transect length can extend 10's of km from the ocean barrier shoreface into the mainland. Grid resolution on the barrier is 10 m, and 1 m spacing from the back-barrier marsh to the mainland.
Describe time scale and resolution constraints	Time step: one year, with multiple storms occurring within each year Duration: years to centuries
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/UNC-CECL/BarrierBMFT
Model forum / discussion board

Comments	Documentation available at: https://github.com/UNC-CECL/BarrierBMFT

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