| Acronym | Definition |
|---|
| AD | Automatic Differentiation |
| AER | Atmospheric and Environmental Research |
| AGU | American Geophysical Union |
| APB | Animal mounted Pinniped temperature profile |
| AVHRR | Advanced Very High Resolution Radiometer |
| AVISO | Archiving, Validation and Interpretation of Satellite Oceanographic Data |
| AWI | Alfred-Wegener-Institut |
| CLIVAR | Climate Variability and Predictability |
| CoM | Center-of-Mass |
| CSIRO | Commonwealth Scientific and Industrial Research Organisation |
| CTD | Conductivity, temperature and depth |
| ECCO | Estimating the Circulation and Climate of the Ocean |
| ECCO-IcES | ECCO Ocean-Ice Interactions in Earth System Models |
| ECCO2 | Estimating the Circulation and Climate of the Ocean, Phase II |
| ENVISAT | Environmental Satellite |
| ERS | European Remote Sensing |
| FWF | Freshwater Flux |
| GCM | General Circulation Model |
| GECCO2 | German contribution of Estimating the Circulation and Climate of the Ocean, Phase II |
| GFDL | Geophysical Fluid Dynamics Laboratory |
| GFO | GEOSAT Follow-On |
| GODAE | Global Ocean Data Assimilation Experiment |
| GRACE | Gravity Recovery and Climate Experiment |
| IB | Inverted Barometer |
| IERS | International Earth Rotation and Reference Systems Service |
| IOC | Intergovernmental Oceanographic Commission |
| ITP | Ice-Tethered Profilers |
| JPL | Jet Propulsion Laboratory |
| KFS | Kalman filter and smoother |
| LAS | Live Access Server |
| LLC | Lat-Lon-Cap |
| MICOM | Miami Isopycnic Coordinate Ocean Model |
| MIT | Massachusetts Institute of Technology |
| MITgcm | MIT General Circulation Model |
| MOM | GFDL Modular Ocean Model |
| NASA | National Aeronautics and Space Administration |
| NetCDF | Network Common Data Form |
| NOAA | National Oceanic and Atmospheric Administration |
| NOPP | National Ocean Partnership Program |
| NSF | National Science Foundation |
| OAM | Oceanic Angular Momentum |
| OBP | Ocean Bottom Pressure |
| OCCA | OCean Comprehensible Atlas |
| ONR | Office of Naval Research |
| RTS | Rauch-Tung-Striebel |
| SARAL | Satellite with ARgos and ALtiKa |
| SBO | Special Bureau for the Oceans |
| SDSC | San Diego Supercomputing Center |
| SIO | Scripps Institution of Oceanography |
| SOSE | Southern Ocean State Estimate |
| SPNA | Subpolar North Atlantic |
| SSH | Secure Shell |
| SSM/I | Special Sensor Microwave Imager |
| SSMIS | Special Sensor Microwave Imager/Sounder |
| UH | University of Hamburg |
| UNESCO | United Nations Educational, Scientific and Cultural Organization |
| V4r1 | Version 4 release 1 |
| V4r2 | Version 4 release 2 |
| V4r3 | Version 4 release 3 |
| V4r4 | Version 4 release 4 |
| WCRP | World Climate Research Programme |
| WebDAV | Web Distributed Authoring and Versioning |
| WMO | World Meteorological Organization |
| WOCE | World Ocean Circulation Experiment |
| XBT | eXpendable BathyThermograph |
