add postproc

docs/metrics_sea_ice.rst

@@ -68,6 +68,18 @@ A `demo parameter file`_ is provided in the sea ice code.
 * **obs_cell_area**: For equal area grids, the area of a single grid cell in units of km :sup:`2` . Only required if obs area file is not available.
 * **pole**: Set the maximum latitude for the Central Arctic and Arctic regions to exclude ice over the pole. Default is 90.1 to include all ice.
 
+Postprocessing
+==============
+
+A script is provided to create a multi-model bar chart using results from multiple runs of the sea ice driver. This script can be found in ./scripts/sea_ice_figures.py. 
+
+Example command: ::
+
+ python sea_ice_figures.py --filelist 'path/to/models/*/sea_ice_metrics.json' --output_path '.'
+
+
+A wildcard '*' can be used to glob multiple folders of results. The final path in the --filelist parameter must be the sea_ice_metrics.json file. The --output_path parameter can be any valid path.
+
 Reference
 =========
 Ivanova, D. P., P. J. Gleckler, K. E. Taylor, P. J. Durack, and K. D. Marvel, 2016: Moving beyond the Total Sea Ice Extent in Gauging Model Biases. J. Climate, 29, 8965–8987, https://doi.org/10.1175/JCLI-D-16-0026.1.