Catalog https://www.ncei.noaa.gov/thredds-ocean/catalog/regional-climatologies/nordic-and-north-atlantic/TAR/monthly-mean/density/catalog.html

Dataset	Size	Last Modified
`density`		`--`
`density.all-years.all-months.all-depths.tar.gz`	`10.01 Gbytes`	`2016-11-08T18:44:02Z`