https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.7 2026-04-15T10:53:30.610Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/providers/ed0a7d29-1e7e-43c2-baa4-452de3609d61 CLIVAR/CCHDO Date=2015-04-14 User Id=gee-cee Entity=BroaderRelation Operation=INSERT User Note=Move Concepts System Note=add broader relation New Value=CLIVAR/CCHDO [ed0a7d29-1e7e-43c2-baa4-452de3609d61,139549] - CLIVAR/CCHDO [ad87ea55-0ae0-4c1d-9ce9-1e3de4d2855e,139547] Date=2015-04-14 User Id=gee-cee Entity=BroaderRelation Operation=DELETE User Note=Move Concepts System Note=delete broader relation Old Value=CLIVAR/CCHDO [ed0a7d29-1e7e-43c2-baa4-452de3609d61,139549] - CLIVAR/CCHDO [ad87ea55-0ae0-4c1d-9ce9-1e3de4d2855e,139547] Date=2015-04-14 User Id=gee-cee Entity=BroaderRelation Operation=INSERT User Note=Move Concepts System Note=add broader relation New Value=CLIVAR/CCHDO [ed0a7d29-1e7e-43c2-baa4-452de3609d61,139549] - CLIVAR AND CARBON HYDROGRAPHIC DATA OFFICE [bf1f5645-6622-4f80-9691-de9e433b95c0,139545] Date=2015-04-14 User Id=gee-cee Entity=BroaderRelation Operation=DELETE User Note=Move Concepts System Note=delete broader relation Old Value=CLIVAR/CCHDO [ed0a7d29-1e7e-43c2-baa4-452de3609d61,139549] - CLIVAR AND CARBON HYDROGRAPHIC DATA OFFICE [bf1f5645-6622-4f80-9691-de9e433b95c0,139545] The CCHDO's primary mission is to be a repository and distribution center for CTD and Hydrographic data sets of the highest possible quality. These data are a product of WOCE, CLIVAR and numerous other oceanographic research programs -- past, present and to come. Whenever possible we provide these data in three widely-used formats: WOCE, netCDF and WHP-Exchange, which we recommend for data submissions to the CCHDO.