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https://github.com/pydata/xarray/issues/3948#issuecomment-610413864 https://api.github.com/repos/pydata/xarray/issues/3948 610413864 MDEyOklzc3VlQ29tbWVudDYxMDQxMzg2NA== 3958036 2020-04-07T14:18:01Z 2020-04-07T14:18:01Z CONTRIBUTOR

Thanks @lanougue, @dcherian I think I see the simple answer now: use a deepcopy first, to leave the Dataset as is, then del the DataArray when finished with it, e.g. ``` da1 = ds["variable1"].copy(deep=True) ... do stuff with da1 ... del da1

da2 = ds["variable2"].copy(deep=True) ... do stuff with da2 ... del da2

... etc. ```

 
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