html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue
https://github.com/pydata/xarray/issues/825#issuecomment-210685190,https://api.github.com/repos/pydata/xarray/issues/825,210685190,MDEyOklzc3VlQ29tbWVudDIxMDY4NTE5MA==,4295853,2016-04-15T23:36:54Z,2016-04-15T23:36:54Z,CONTRIBUTOR,"Thanks @jhamman. You are correct that this could get challenging without proper notions of units.  Do we have a utility to transfer attributes from one Dataset to another? If not, perhaps that is the simplest, short term resolution to this issue that is even more general than addition of a `keep_attrs` flag. I don't think it would be to hard to write although it may be out of xarray scope. 
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,148765426
https://github.com/pydata/xarray/issues/825#issuecomment-210647514,https://api.github.com/repos/pydata/xarray/issues/825,210647514,MDEyOklzc3VlQ29tbWVudDIxMDY0NzUxNA==,4295853,2016-04-15T21:10:36Z,2016-04-15T21:10:36Z,CONTRIBUTOR,"@mcgibbon, I would agree that in general attributes should be preserved to maintain provenance of DataArrays or Datasets unless there is a really good reason to drop them. 
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