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ROMS Test Cases

roms_test

License

Copyright (c) 2002-2024 The ROMS/TOMS Group

License: MIT

Overview

The Regional Ocean Modeling System (ROMS) framework is intended for users interested in ocean modeling. Please check https://github.com/myroms for instructions on registering into the ROMS community and downloading its source code.

Currently, we have the following Test Cases that can be activated with their respective CPP flags:

Test Case Description
DAMEE_4 North Atlantic Grid #4, 0.75° resolution
External ROMS input metadata files
IRENE ESMF/NUOPC coupling for Hurricane Irene, 27-29 Aug 2011
WC13 ROMS 4D-Var data assimilation, California Current System, 1/3° resolution
basin Big Bad Basin, Stommel/Munk wind-driven Western intensification
benchmark Idealized Southern Ocean benchmark tests
bio_toy One-dimensional (vertical) Biology Toy Tests
bl_test Boundary Layers KPP Test
bin CSH and BASH scripts
canyon Homogeneous Coastal Form Stress Canyon Tests
channel Idealized Uniform Periodic Channel, Optimal Perturbations Test
dogbone Dog-bone Nesting Test Cases: Composite and Refinement Grids
double_gyre Idealized Double-Gyre Generalized Stability Analysis Tests
estuary_test Suspended Sediment Test in an Estuary
flt_test Floats Lagrangian Trajectories 2D and 3D Tests
grav_adj Gravitation Adjustment Test Problem
inlet_test ROMS/SWAN coupling with MCT library
kelvin Kelvin Wave Test
lab_canyon Laboratory Canyon, A True Annulus Test in Polar Coordinates
lake_jersey Idealized Nesting Refinement Tests
lmd_test Large et al. (1994) KPP Test
riverplume River Plume Tests
seamount Tall Isolated Seamount Test
sed_test Suspended Sediment Test in a Channel
shoreface Shore Face Planar Beach Test
soliton Equatorial Rossby Soliton Tests
test_chan Sediment Test Channel Case
test_head Sediment Test Headland Case
upwelling Wind-Driven Upwelling/Downwelling over a Periodic Channel
weddell Idealized Weddell Sea Shelf Application
windbasin Wind-Driven Constant Coriolis Basin Test

Instructions

This repository contains idealized and realistic Test Cases that can be used for testing different parts of ROMS kernels and algorithms. Use the following command to download the ROMS Test Cases repository:

git clone https://github.com/myroms/roms_test.git

Before downloading, ensure that your ~/.gitconfig has the appropriate git-lfs configuration for correctly downloading some test input and observation NetCDF files. Otherwise, the Test Cases requiring input NetCDF files will fail. The Git LFS is a command line extension and specification for managing large files with Git. A sample of the configuration file looks like this:

   more ~/.gitconf

   [user]
        name = GivenName MiddleName FamilyName
        email = your@email
   [credential]
        helper = cache --timeout=7200
        helper = store --file ~/.my-credentials
   [filter "lfs"]
        clean = git-lfs clean -- %f
        smudge = git-lfs smudge -- %f
        process = git-lfs filter-process
        required = true

Alternatively, you may execute git lfs pull at your location of this repository to download a viable version of the Git LFS files from the remote repository in GitHub. Also, to add the LFS filter to your existing ~/.gitconfig automatically, you could use git lfs install from anywhere in your computer directories.

As shown in the table above, there is a sub-directory for each Test Case containing the GNU and CMake build scripts, an application header file (*.h), a standard input script (roms_*.in), and a Data sub-directory for input files, if applicable. We highly recommend that users define the ROMS_ROOT_DIR variable in their computer shell logging environment, specifying where the User cloned/downloaded the ROMS source code:

setenv ROMS_ROOT_DIR  MyDownlodLocationDirectory

The build scripts will use this environmental variable when compiling any of the ROMS Test Cases without the need to customize the location of the ROMS source code.

Users need to study the build scripts to learn how to customize them. Notice that there are a few options for their execution:

Usage:

   ./build_roms.sh [options]
or
   ./cbuild_roms.sh [options]

Options:

  -j [N]      Compile in parallel using N processes or CPUs. For example:

                  build_roms.sh -j 10

  -b          Compile a specific ROMS GitHub branch. For example:

                  build_roms.sh -j 5 -b feature/kernel

  -p macro    Prints any Makefile macro value. For example:

                  build_roms.sh -p FFLAGS

  -noclean    Do not clean already compiled objects. For example:

                  build_roms.sh -j 10 -noclean

Check https://github.com/myroms/roms for available branches other than master and develop. Notice that the feature branches are under development and targeted to advanced users, superusers, and beta testers. Regular and novice users must use the default develop branch.

If using the -b option, the build script will clone the ROMS source code from GitHub into your project sub-directory src, for example:

git clone https://www.github.com/myroms/roms.git src
cd src
git checkout feature/kernel

The CMake build scripts (cbuild_roms.csh and cbuild_roms.sh) are more complicated and are intended for advanced users.

The doxygen version of ROMS is available at:

https://www.myroms.org/doxygen

The WikiROMS documentation and tutorials portal is available at:

https://www.myroms.org/wiki