Plastic damage in sea ice - model outputs and observations.

Sea ice model outputs and observations analyzed in the paper: "On the sensitivity of sea ice deformation statistics to plastic damage".

For the outputs, there is one file every 6 hours (for January 2002). Each folder represents one experiment with the associated snapshot files each containing a matrix of the given variable.

The observations are the 3-day gridded velocity derivatives. The files are numpy arrays (.npy) containing time slices for every 3-day period for January 2002.

1. Naming convention of the files

Model outputs

The folders are named according to the model configuration following the names used in (Savard and Tremblay, 2024):

"Model name" + ( + "configuration" + )

The files in each configuration follow the following convention:

"Variable" + "year" + _ +  "month" + _ + "day" + _ + "hour" + _ + "minutes" + . + "experiment number"

There is also an info file, which provides the numerical parameters used in each run:

info + . + "experiment number"

Observations

The files are the velocity derivatives:

"partial derivative" + .npy

There is also a mask for the period of January-February-March:

mask80JFM.npy

2. Variables included

• u,v : sea ice velocity in the x,y directions (in m/s);
• A: ice concentration per grid cell (0 -- 1);
• h: mean ice thickness per grid cell (in m);
• dam: plastic damage per grid cell (0 -- 1); 
• div: sea ice divergence per grid cell (in s^-1);
• shear: sea ice shear per grid cell (in s^-1).

4. Recommended citation usage

If any or all simulations included in the current archive are used in a future study, we ask to cite this archive and the plastic damage paper (Savard and Tremblay, 2024). If the observations provided here are used in a future study, we ask to cite this archive and the original paper in which the data is used (Kwok, 1997).

The original RGPS 3-day gridded dataset can be accessed here: https://asf.alaska.edu/data-sets/derived-data-sets/seaice-measures/sea-ice-measures-data-products/