Catalog https://tomcat.chips.eofrom.space/thredds/catalog/cci/v6.0-release/geographic/annual/iop/2004/catalog.html

Dataset	Size	Last Modified
2004		--
ESACCI-OC-L3S-IOP-MERGED-1Y_YEARLY_4km_GEO_PML_OCx_QAA-2004-fv6.0.nc	3.002 Gbytes	2025-04-01T17:28:03Z

PML RSG THREDDS Data Server at Plymouth Marine Laboratory see Info
THREDDS Data Server [Version 4.6.11 - 2017-12-04T16:22:46-0700] Documentation