"NCL is an interpreted language designed specifically for scientific data analysis and visualization" and has been developed by NCAR. Following scripts were constructed based on the knowledge gained from the NCL web site (NCL web page). We thank the development team to make NCL available to us.

Terms and conditions of use

We have no responsibility or liability for any unintended consequences or damages that the use of the following scripts may cause. Please use them at your own risk.


Time series

Latitude plot

Longitude-Latitude plot/annimation

Polar stereographic plot

* Sea ice concentration data (HadISST. were downloaded from here in June 2018.
* Titchner, H. A., and N. A. Rayner (2014), The Met Office Hadley Centre sea ice and sea surface temperature data set, version 2: 1. Sea ice concentrations, J. Geophys. Res. Atmos., 119, 2864-2889, doi: 10.1002/2013JD020316.

Latitude-Pressure plot

Panel plot



Ice sheet drainage basin mask

* Shapefiles were donwloaded from NSIDC and NASA/IMBIE in August 2018.
* A file, shapefile_utils.ncl, is required.

Colorbar preference