Connected Data Products Demo

Virtualize NISAR GUNW data into an Icechunk store and query it without downloading or converting the original HDF5 file.

Presented at the Building Open Connected Scientific Data Products for the Cryosphere hackdays, April 2026.

Notebooks

Notebook	Description
01-virtualize	Create virtual Zarr references to NISAR GUNW and persist to Icechunk (S3)
01-virtualize-https	Same via HTTPS (works from anywhere, Icechunk support in progress)
02-query-icechunk	Query 10 random points from the Icechunk store
03-query-h5netcdf	Query the same 10 points via h5netcdf (baseline comparison)

Running locally

uv sync
uv run jupyter lab

Requires a NASA Earthdata account.