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Zarr is one of these relatively newly adopted data formats specifically for N-Dimensional arrays. It is an effective way to store large N-dimensional data in the cloud and access chunks.  Zarr can be viewed as the cloud based version of NetCDF files.  Zarr does not come in a single file as NetCDF or HDF5 does but as a directory with chunks of data in compressed files and metadata in JSON files.

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4.). The R statistics package can also read Zarr files:  https://r-spatial.org/r/2022/09/13/zarr.html

5.). OpenLayers is working on a prototype for adding support: https://github.com/spacebel/geozarr-openlayers

Are other standards groups looking at Zarr:

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