| Library | Thesaurus | Title | Alt Title | Version | Members | Modified |
| A05 | | AtlantOS Essential Variables | AtlantOS EVs | 4 | 24 | 3/29/2019 2:01:22 AM |
| BQ1 | | EMODnet Bathymetry Quality Indicators of horizontal accuracy (QI_Horizontal) | EMODnet Bathy QI_Horizontal | 1 | 4 | 7/15/2023 4:00:03 AM |
| BQ2 | | EMODnet Bathymetry Quality Indicators of vertical accuracy (QI_Vertical) | EMODnet Bathy QI_Vertical | 1 | 5 | 7/15/2023 4:00:03 AM |
| BQ3 | | EMODnet Bathymetry Quality Indicators of survey purpose (QI_Purpose) | EMODnet Bathy QI_Purpose | 1 | 4 | 7/15/2023 4:00:03 AM |
| C16 | | SeaDataNet sea areas | SDN sea areas | 9 | 127 | 11/7/2012 2:00:06 AM |
| C17 | | ICES Platform Codes | ICES Platforms | 1074 | 12983 | 9/23/2023 4:00:05 AM |
| C19 | View | SeaVoX salt and fresh water body gazetteer | SeaVoX water bodies | 24 | 271 | 9/13/2023 4:00:02 AM |
| C32 | | International Standards Organisation countries | ISO countries | 10 | 282 | 11/18/2020 2:00:03 AM |
| C34 | | Activity purpose categories | Purpose categories | 4 | 22 | 8/27/2011 3:00:05 AM |
| C35 | | European Nature Information System Level 3 Habitats | EUNIS3 Habitats | 1 | 56 | 2/19/2010 2:01:37 AM |
| C36 | | Monitoring activity legislative drivers | Monitoring drivers | 10 | 92 | 4/28/2022 4:00:03 AM |
| C37 | | Ten-degree Marsden Squares | Marsden-10 | 3 | 612 | 1/9/2009 2:00:05 AM |
| C38 | | SeaDataNet Ports Gazetteer | SeaDataNet Ports | 86 | 4987 | 9/7/2023 4:00:05 AM |
| C39 | | World Meteorological Organisation sea states | WMO sea states | 1 | 10 | 9/30/2009 3:01:08 AM |
| C45 | | Marine Strategy Framework Directive descriptors 2010/477/EU | MSFD descriptors 2010 | 3 | 11 | 2/25/2017 2:00:02 AM |
| C46 | | Marine Strategy Framework Directive criteria 2010/477/EU | MSFD criteria 2010 | 1 | 29 | 11/11/2010 2:00:07 AM |
| C47 | | Marine Strategy Framework Directive indicators 2010/477/EU | MSFD indicators 2010 | 1 | 56 | 11/11/2010 2:00:07 AM |
| C64 | | United Kingdom Charting Progress 2 sea regions | UK CP2 sea regions | 1 | 9 | 6/7/2011 3:00:24 AM |
| C77 | | SeaDataNet Cruise Summary Report data categories | SeaDataNet CSR data categories | 4 | 96 | 9/27/2022 4:00:02 AM |
| C86 | | SeaDataNet contact and security access roles | SeaDataNet roles | 5 | 16 | 4/26/2018 3:00:03 AM |
| D01 | | DCAT Themes for Linked Data Representation of the SeaDataNet EDMED Catalogue | EDMED DCAT Themes | 1 | 5 | 11/11/2017 2:00:03 AM |
| EF1 | | EMODnet Seabed Habitats Essential Fish Habitat (EFH) vocabulary | EMODnet SeaHab Essential Fish Habitat | 1 | 4 | 9/6/2023 4:00:04 AM |
| EL1 | | SeaVoX Sampling and Observation Platform Event Actions | Platform Event Actions | 2 | 22 | 12/17/2022 2:00:01 AM |
| EL2 | | SeaVoX Sampling and Observation Platform Event Processes | Platform Event Processes | 1 | 16 | 12/15/2022 2:00:01 AM |
| F02 | | Marine Microbial Flow Cytometry Standardised Group Names | Marine FCM groups | 8 | 16 | 11/14/2022 2:00:07 AM |
| G17 | | MD_MaintenanceFrequencyCode | MD_MaintenanceFrequencyCode | 1 | 12 | 7/5/2012 3:00:09 AM |
| G26 | | MD_SpatialRepresentationTypeCode | MD_SpatialRepresentationTypeCode | 1 | 6 | 7/5/2012 3:00:09 AM |
| GS3 | | Geo-Seas adjusted Folk sediment lithology classes | Adjusted Folk classes | 1 | 17 | 10/15/2010 3:00:11 AM |
| GS4 | | Geo-Seas geological sample colours | Geo-Seas colours | 3 | 267 | 3/9/2011 2:00:05 AM |
| GS5 | | Geo-Seas sediment grain-size skewness descriptors | Geo-Seas skewness descriptors | 1 | 5 | 10/15/2010 3:00:11 AM |
| GS6 | | Geo-Seas sediment grain-size kurtosis descriptors | Geo-Seas kurtosis descriptors | 1 | 3 | 10/15/2010 3:00:11 AM |
| GS8 | | Geo-Seas Seismic Methods | Seismic Methods | 1 | 5 | 1/29/2011 2:00:05 AM |
| GS9 | | Geo-Seas Seismic Survey Dimensionality | Seismic Dimensionality | 1 | 3 | 1/29/2011 2:00:05 AM |
| GSA | | Geo-Seas Seismic Data Product Types | Seismic Data Products | 1 | 7 | 1/29/2011 2:00:05 AM |
| GSB | | Geo-Seas Seismic Receiver Types | Seismic Receivers | 1 | 6 | 1/29/2011 2:00:05 AM |
| GSC | | MGD77 Bathymetry Sound Velocity Correction Codes | MGD77 bathymetry corrections | 1 | 67 | 3/5/2011 2:00:05 AM |
| H01 | | EMODnet micro-litter types | Microlitter_type | 10 | 10 | 7/25/2023 4:00:01 AM |
| H02 | | EMODnet micro-litter shapes | Microlitter_shape | 2 | 10 | 2/14/2018 2:00:03 AM |
| H03 | | EMODnet micro-litter size classes | Microlitter_size | 8 | 18 | 8/3/2023 4:00:04 AM |
| H04 | | EMODnet micro-litter colour classes | Microlitter_colour | 7 | 21 | 1/19/2022 2:00:03 AM |
| H05 | | EMODnet micro-litter material or polymer type | Microlitter_material+polymer | 4 | 22 | 10/26/2022 4:00:01 AM |
| H06 | | EMODnet micro-litter transparency classes | Microlitter_transparency | 2 | 2 | 4/26/2021 4:00:01 PM |
| HA2 | | EMODnet human activity categories | EMODnet Human Activities | 3 | 56 | 11/2/2018 2:00:04 AM |
| L02 | | SeaDataNet Geospatial Feature Types | SeaDataNet Geospatial Feature Types | 2 | 3 | 3/28/2014 2:00:02 AM |
| L03 | | SeaDataNet Measurement Periodicity Categories | SeaDataNet Measurement Periodicity | 3 | 12 | 8/27/2011 3:00:05 AM |
| L04 | | Matrix Categories | Matrix Categories | 1 | 6 | 4/9/2016 3:00:03 AM |
| L05 | | SeaDataNet device categories | SDN devices | 89 | 269 | 9/1/2023 4:00:07 AM |
| L06 | | SeaVoX Platform Categories | SeaVoX Platform Categories | 17 | 81 | 3/25/2021 2:00:02 PM |
| L07 | | SeaDataNet data access mechanisms | SeaDataNet data access | 3 | 7 | 9/11/2015 3:00:01 AM |
| L08 | | SeaDataNet Data Access Restriction Policies | SeaDataNet Data Access Policies | 5 | 14 | 5/5/2021 4:00:15 AM |
| L10 | | SeaDataNet geographic co-ordinate reference frames | SeaDataNet CRS | 3 | 523 | 3/3/2011 2:00:05 AM |
| L11 | | SeaDataNet depth measurement reference planes | SeaDataNet datum origins | 10 | 35 | 5/23/2017 3:00:03 AM |
| L12 | | SeaDataNet parameter quality control procedures | SeaDataNet QC procedures | 2 | 5 | 2/13/2010 2:01:36 AM |
| L13 | | SeaVoX Vertical Co-ordinate Coverages | SeaVoX Vertical Coverages | 5 | 38 | 5/21/2020 4:00:01 AM |
| L14 | | SeaDataNet Activity Operational Stati | SDN Activity Operational Stati | 3 | 8 | 11/25/2022 2:00:01 AM |
| L15 | | SeaDataNet quality management system accreditations | SDN QMS accreditations | 3 | 7 | 3/15/2021 2:00:01 PM |
| L18 | | SeaDataNet Cruise Summary Report quantification units | CSR units | 1 | 27 | 11/14/2007 6:33:35 PM |
| L19 | | SeaDataNet keyword types | SDN keyword types | 4 | 22 | 7/7/2021 4:21:48 PM |
| L20 | | SeaDataNet measurand qualifier flags | SeaDataNet flags | 8 | 13 | 5/14/2022 4:00:05 AM |
| L21 | | SeaDataNet device category types | Device category types | 5 | 8 | 7/17/2012 3:00:03 AM |
| L22 | | SeaVoX Device Catalogue | SeaVoX Device Catalogue | 649 | 2064 | 9/19/2023 4:00:02 AM |
| L23 | | SeaDataNet metadata entities | SDN metadata entities | 9 | 16 | 9/7/2017 3:00:04 AM |
| L24 | | SeaDataNet data transport formats | SDN formats | 10 | 19 | 3/5/2021 2:00:04 AM |
| L26 | | EDIOS permitted sampling interval units | EDIOS sampling units | 1 | 8 | 5/7/2014 9:19:59 AM |
| L30 | | MEDATLAS Data Centres | MEDATLAS Centres | 5 | 57 | 8/11/2017 3:00:03 AM |
| L31 | | Geo-Seas data object quality flags | Geo-Seas object flags | 1 | 5 | 9/22/2010 3:00:05 AM |
| L33 | | WMO C3 vocabulary of XBT data types | C3 XBT types | 3 | 242 | 8/11/2017 3:00:03 AM |
| M01 | | MEDIN data format categories | MEDIN formats | 3 | 13 | 6/2/2016 3:00:04 AM |
| M03 | | The Crown Estate Renewable Energy Development Areas | TCE Renewable Development Areas | 1 | 18 | 5/15/2012 3:00:03 AM |
| M04 | | The Crown Estate Renewable Energy Development Phases | TCE Renewable Development Phases | 1 | 10 | 5/15/2012 3:00:03 AM |
| M05 | | MEDIN socio-economic governance objective categories | MEDIN governance objective types | 1 | 10 | 8/23/2013 3:00:03 AM |
| M06 | | MEDIN monitoring activity categories | MEDIN monitoring types | 1 | 8 | 8/23/2013 3:00:03 AM |
| M09 | | MEDIN ecosystem valuation method types | MEDIN EV method types | 1 | 6 | 11/15/2013 2:00:04 AM |
| M10 | | MEDIN ecosystem valuation methods | MEDIN EV methods | 1 | 18 | 11/15/2013 2:00:04 AM |
| M11 | | MEDIN ecosystem service types | MEDIN ES types | 2 | 9 | 3/15/2017 2:00:02 AM |
| M12 | | JNCC categories of human activity in the marine environment | JNCC human activity categories | 3 | 11 | 9/29/2015 3:00:02 AM |
| M13 | | JNCC standard list of human activities in the marine environment | JNCC human activity standard list | 2 | 39 | 9/12/2015 3:00:02 AM |
| M14 | | OSPAR list of defined pressures on the marine environment | OSPAR marine environment pressure list | 3 | 31 | 8/11/2017 3:00:03 AM |
| M15 | | OSPAR list of themes of defined pressures on the marine environment | OSPAR marine environment pressure themes | 2 | 6 | 9/12/2015 3:00:02 AM |
| M23 | | HELCOM 'HUB' Underwater Biotope and Habitat Classification System | HELCOM HUB | 1 | 396 | 1/22/2019 2:00:04 AM |
| M28 | | Ramsar Classification System for Wetland Type upper categories | Ramsar upper categories | 1 | 3 | 8/19/2022 4:00:01 AM |
| M29 | | Ramsar Classification System for Wetland Type | Ramsar classification | 1 | 43 | 8/19/2022 4:00:01 AM |
| N01 | | MEDIN metadata record availability | Availability | 4 | 3 | 1/11/2012 7:46:54 AM |
| P01 | ViewView | BODC Parameter Usage Vocabulary | BODC PUV | 1174 | 46815 | 9/29/2023 4:00:03 AM |
| P02 | View | SeaDataNet Parameter Discovery Vocabulary | SeaDataNet PDV | 126 | 468 | 8/31/2023 4:00:06 AM |
| P03 | View | SeaDataNet Agreed Parameter Groups | SeaDataNet APG | 25 | 77 | 7/4/2023 4:00:02 AM |
| P04 | | Global Change Master Directory Science Keywords V5 | GCMD Science Keywords V5 | 4 | 1413 | 4/18/2007 3:55:46 PM |
| P05 | | International Standards Organisation ISO19115 Topic Categories | ISO Topic Categories | 0 | 19 | 4/28/2005 1:00:00 AM |
| P06 | | BODC-approved data storage units | BODC units | 141 | 396 | 9/5/2023 4:01:39 AM |
| P07 | | Climate and Forecast Standard Names | CF Standard Names | 82 | 5223 | 7/6/2023 4:00:04 AM |
| P08 | View | SeaDataNet Parameter Disciplines | SeaDataNet Disciplines | 5 | 12 | 2/3/2017 2:00:03 AM |
| P09 | | MEDATLAS Parameter Usage Vocabulary | MEDATLAS PUV | 75 | 638 | 9/29/2023 4:00:03 AM |
| P17 | | Partnership for Observation of the Global Ocean ships of interest | POGO ships | 50 | 89 | 11/19/2022 2:00:01 AM |
| P22 | | GEMET - INSPIRE themes, version 1.0 | INSPIRE themes | 1 | 34 | 7/31/2009 3:00:56 AM |
| P23 | | MEDIN Parameter Discipline Keywords | MEDIN Disciplines | 3 | 12 | 6/9/2012 3:00:04 AM |
| P24 | | Units of measure dimensions | Dimensions | 16 | 43 | 11/16/2022 2:00:02 AM |
| P35 | View | EMODnet Chemistry aggregated parameter names | EMODNET chemistry aggregations | 19 | 231 | 11/18/2022 2:00:02 AM |
| P36 | | EMODnet Chemistry chemical groups | EMODNET Chemistry themes | 6 | 16 | 4/22/2023 4:00:02 AM |
| P64 | | Global Change Master Directory Science Keywords V6 | GCMD Science Keywords V6 | 1 | 1546 | 12/17/2013 2:25:21 PM |
| S02 | | BODC parameter semantic model relationships between what theme and where theme | Where/what relationships | 22 | 61 | 8/10/2023 4:00:06 AM |
| S03 | | BODC parameter semantic model sample preparation entity descriptions | Sample preparation | 78 | 292 | 8/17/2022 4:00:02 AM |
| S04 | | BODC parameter semantic model analytical method entity descriptions | Analytical method | 143 | 570 | 3/31/2023 4:00:00 AM |
| S05 | | BODC parameter semantic model data processing entity descriptions | Data processing | 65 | 255 | 9/21/2023 4:00:03 AM |
| S06 | | BODC parameter semantic model parameter entity names | Parameter entity names | 140 | 300 | 9/13/2023 4:00:02 AM |
| S07 | | BODC parameter semantic model parameter statistic | Parameter statistic | 14 | 49 | 4/28/2022 4:00:03 AM |
| S11 | | BODC parameter semantic model biological entity development stage terms | Biological entity life stage terms | 34 | 104 | 8/26/2023 4:00:04 AM |
| S21 | | BODC parameter semantic model sphere names | Sphere names | 12 | 22 | 2/6/2015 2:00:02 AM |
| S23 | | BODC semantic model sphere phase names | Sphere phase names | 7 | 15 | 11/1/2019 2:00:06 AM |
| S25 | | BODC parameter semantic model biological entity names | Biological entity names | 169 | 8705 | 9/12/2023 4:00:03 AM |
| S26 | | BODC parameter semantic model matrices | BODC matrices | 36 | 209 | 10/12/2022 4:00:03 AM |
| S27 | | BODC parameter semantic model chemical substances | BODC substances | 164 | 2060 | 8/15/2023 4:00:03 AM |
| V12 | | SeaDataNet Vocabularies | SDN Vocabularies | 34 | 124 | 9/6/2023 4:00:04 AM |
| W01 | | SeaDataNet Sensor Web Enablement and SensorML type vocabulary | SDN SWE type | 0 | 35 | 1/5/2015 10:03:22 AM |
| W02 | | SeaDataNet Sensor Web Enablement and SensorML sub-type vocabulary | SDN SWE sub-type | 0 | 6 | 1/5/2015 10:05:18 AM |
| W03 | | SensorML History Event Types | SensorML Event Types | 2 | 17 | 11/11/2020 2:00:01 PM |
| W04 | | SensorML Capability Section Terms | SensorML Capabilities | 2 | 14 | 12/9/2017 2:00:02 AM |
| W05 | | SensorML Characteristic Section Terms | SensorML Characteristics | 3 | 10 | 12/9/2017 2:00:02 AM |
| W06 | | SensorML Classification Section Terms | SensorML Classifications | 1 | 2 | 7/21/2016 3:00:02 AM |
| W07 | | SensorML Identification Section Terms | SensorML Identifications | 4 | 15 | 5/23/2022 4:00:02 AM |
| W08 | | SensorML Contact Section Terms | SensorML Contacts | 3 | 7 | 6/6/2023 4:00:02 AM |
| W09 | | Sensor Web Enablement Observations and Measurements Section Terms | SWE O+M | 0 | 0 | 7/27/2017 10:41:58 AM |
| W10 | | SensorML Output Section Data Interface Terms | SensorML Output Data Interface | 0 | 0 | 7/27/2017 11:12:26 AM |
| W11 | | SensorML Event Classification Terms | SensorML Event Classification | 1 | 3 | 11/5/2020 2:00:02 AM |
