issue_comments: 866121561

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https://github.com/pydata/xarray/issues/5510#issuecomment-866121561 https://api.github.com/repos/pydata/xarray/issues/5510 866121561 MDEyOklzc3VlQ29tbWVudDg2NjEyMTU2MQ== 2448579 2021-06-22T16:07:27Z 2021-06-22T16:08:35Z MEMBER

I am not sure there is a good solution here.

As @max-sixty says, xarray does not carry around information that links a specific variable to a subset of coordinate variables (like a coordinates attribute). So in effect, all variables are associated with all coordinate variables.

We could special-case bounds variables (we do this in some places in the encoding/decoding functions) but realization will always be a problem. I think you can override it by explicitly setting the coordinates="" attribute. Perhaps .attrs["coordinates"] = None will avoid writing the attribute, if not we could make it work?

cc @DWesl 

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