azavea / azavea/noaa-hydro-data

Determine reason for size difference of rechunked retrospective Zarr

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Description

We produced a rechunked version of the NWM retrospective data set, geared toward time-series queries. This new Zarr file (s3://azavea-noaa-hydro-data/experiments/jp/rechunk/output.zarr/) is half the size of the original (s3://noaa-nwm-retrospective-2-1-zarr-pds/chrtout.zarr). We ought to take a moment to understand why this happened.

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