Coastal Dune Model

Coastal Dune Model that includes updated vegetation and wrack dynamics.

Install

Prerequisites

To install the Coastal Dune Model from source, you will need to install some prerequisite packages.

• A C++ compiler
• CMake
• FFTW

If you are using Anaconda, these can be installed through the conda command.

$ conda create -n cdm --file=requirements.txt
$ conda activate cdm

This creates a new conda environment, cdm, with all of the prequisite packages installed.

Compile

Linux and Mac

To build and install cmake, run

$ mkdir _build && cd _build
$ cmake ../src -DCMAKE_INSTALL_PREFIX=$CONDA_PREFIX
$ make -j4
$ make install

This will install Coastal Dune Model into your current conda environment.

Windows

To build the CDM on Windows, you will need to install a C++ compiler. The following instructions assume Microsoft Visual Studio 2017 or Microsoft Build Tools for Visual Studio 2017.

After you have activated the conda environment you created in the previous section, you need to set up your compiler by running vcvarsall.bat. This can be done from within the Anaconda Powershell Prompt by running the following,

$ & 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat' x86

You should now be able to run cmake and then compile the program in a way that is similar to with Linux and Mac,

$ mkdir _build
$ cd _build
$ cmake ../src -DCMAKE_INSTALL_PREFIX:PATH=$env:CONDA_PREFIX
$ cmake --build . --target install

Use

With the Coastal Dune Model installed following the above instructions, you can run it with the coastal-dune-model executable that was installed in <path-to-installation>/bin. If this folder is in your PATH,

$ coastal-dune-model params.par

References

Biel, R. G., Moore, L. J., and Goldstein, E. B. (submitted). Influence of wrack on dune forma- tion.Journal of Geophysical Research: Biogeosciences.

Biel, R. G., Moore, L. J., Zinnert, J., and Brown, J. (in prep.). Inhibition or facilitation of dune development on barriers: The influence of back-beach vegetation on barrier island sta- ble states.Journal of Geophysical Research: Biogeosciences.

Duran, O. and Moore, L. J. (2013). Vegetation controls on the maximum size of coastal dunes. Proceedings of the National Academy of Sciences, 110(43):17217–17222.

Duran, O., Parteli, E. J., and Herrmann, H. J. (2010). A continuous model for sand dunes: Review, new developments and application to barchan dunes and barchan dune fields.Earth Surface Processes and Landforms, 35(13):1591–1600.

Duran Vinent, O. and Moore, L. J. (2015). Barrier island bistability induced by biophysical interactions.Nature Clim. Change, 5(2):158–162.

Moore, L. J., Vinent, O. D., and Ruggiero, P. (2016). Vegetation control allows autocyclic formation of multiple dunes on prograding coasts.Geology, 44(7):559–562.

Weng, W. S., Hunt, J. C. R., Carruthers, D. J., Warren, A., Wiggs, G. F. S., Livingstone, I., and Castro, I. (1991). Air flow and sand transport over sand-dunes. In Barndorff-Nielsen, O. E. and Willetts, B. B., editors,Aeolian Grain Transport, pages 1–22, Vienna. Springer Vienna.