CESM LENS on AWS

• CESM LENS on AWS
  • Re-create notebooks with Pangeo Binder
  • Intake Catalogs
    • Requirements
    • Examples

Examples of analysis of CESM LENS data publicly available on Amazon S3 (us-west-2 region) using xarray and dask

Re-create notebooks with Pangeo Binder

Try these notebooks on Pangeo Binder. Note that the session is ephemeral. Your home directory will not persist, so remember to download your notebooks if you made changes that you need to use at a later time!

Intake Catalogs

The master intake catalog URL is:

https://raw.githubusercontent.com/NCAR/cesm-lens-aws/master/intake-catalogs/master.yaml

This catalog is an Intake catalog. The data is stored in Zarr format and meant to be opened with Xarray.

Requirements

Using this catalog requires the following package versions:

• Intake-xarray >= 0.3.1
• Dask >= 2.2.0

Examples

To open the catalog and load a dataset from Python, you can run the following code

import intake
cat_url = "https://raw.githubusercontent.com/NCAR/cesm-lens-aws/master/intake-catalogs/master.yaml"
cat = intake.Catalog(cat_url)
ds = cat.ice_northern_hemisphere_monthly.grid_cellmean_ice_thickness_RCP85.to_dask()

To explore the whole catalog, you can try:

cat.walk(depth=5)