U.S. IOOS®: Acronym List

3DVARThree‐Dimensional Variational Data Assimilation 
AABWAntarctic Bottom Water 
AAPAAmerican Association of Port Authorities
AATAMSAustralian Animal Tagging and Monitoring System
ABIAcoustic Backscatter Intensity 
ABSAnimal Borne Sensors
ACCAntarctic Circumpolar Current
ACO ALOHA Cabled Observatory 
ACOMOAustralian Coastal and Ocean Modeling and Observing 
ACTAlliance for Coastal Technologies
ACTNAtlantic Coastal Telemetry Network
ADCIRCAdvanced Circulation Model
ADCPAcoustic Doppler Current Profiler
AISAutomatic Identification System 
ALPSAutonomous and Lagrangian Platforms and Sensors 
AMAPPSAtlantic Marine Assessment Program for Protected Species
AMGAutonomous Microbial Genosensor
AMO Atlantic Multidecadal Oscillation 
AMOCAtlantic Meridional Overturning Circulation
AMPAutonomous Moored Profilers
AOAAnalysis of Alternatives
AODNAustralian Ocean Data Network 
AOMLAtlantic Oceanographic and Meteorological Laboratory
AONArctic Observing Network 
AOOSAlaska Ocean Observing System
ARDASAcoustic Receiver Data Acquisition System
ASAPAutomated Shipboard Aerological Program 
ATLASAutonomous Temperature Line Acquisition System 
ATNAnimal Telemetry Observing Network
AUVAutonomous Underwater Vehicles
AVHRRAdvanced Very High Resolution Radiometer
AXCTDAerial eXpendable Conductivity-Temperature-Depth 
AZMPAtlantic Zone Monitoring Program 
BOBBasic Observation Buoy
BODBiological Observations Data 
BOEMBureau of Ocean Energy Management
BONBiodiversity Observation Network 
BOPBuild Out Plans
CALCOFINOAA Fisheries California Cooperative Oceanic Fisheries Investigations 
CARICOOSCaribbean Regional Association
CBACost Benefit Analysis
CBDConvention on Biological Diversity 
CBOFSChesapeake Bay Operational Forecast System 
CCANCalifornia Current Acidification Network 
CCARColorado Center for Astrodynamics Research
CCECalifornia Current Ecosystem
CCHDOCarbon Hydrographic Data Office 
CCPComprehensive Conservation Plan 
CDCCenters for Disease Control and Prevention
CDIACCarbon Dioxide Information Analysis Center 
CDIPCoastal Data Information Program
CDOMColored Dissolved Organic Matter
CEFASCentre for Environment, Fisheries and Aquaculture Science 
CeNCOOSCentral and Northern California Ocean Observing System
CEOSCommittee on Earth Observation Satellites
CFClimate and Forecast Conventions
CGNCoastal Scale Nodes 
CGSNCoastal and Global Scale Nodes 
CICyberinfrastructure 
CIDAU.S. Geological Survey’s Center for Integrated Data Analytics 
CILERCooperative Institute for Limnology and Ecosystems Research
CIMSSCooperative Institute for Meteorological Satellite Studies
CISCanadian Ice Service
CLASSComprehensive Large Array Stewardship System 
CLIVARClimate Variability and Predictability Program
C-MANCoastal Marine Automated Network
CMBCoastal Monitoring Buoy 
CMDContinuously Managed Database 
CMSERCommission on Marine Science, Engineering and Resources 
CNMOCCommander Naval Meteorology and Oceanography Command
CNOChief of Naval Operations
COAMPSCoastal Ocean-Atmosphere Mesoscale Prediction System
COD NOAA Climate Observation Division
CODARCoastal Ocean Dynamic Applications Radar
COLConsortium for Ocean Leadership
CoMLCensus of Marine Life
COMPSCoastal Ocean Monitoring and Prediction System
COMTIOOS Coastal Ocean Modeling Testbed 
CONOPSConcept of Operations
COOACoastal Ocean Observation and Analysis 
COOLCoastal Ocean Observation Lab
CO-OPSCenter for Operational Oceanographic Products and Services 
CORLConsolidated Observations Requirements List (NOAA)
COSEECenter for Ocean Sciences Education Excellence 
COSEE-NOWCOSEE Networked Ocean World
COSEE-OSCOSEE Ocean Systems
COTSCommercial Off-the-Shelf
COTSCoastal Observation Technology System
CPRContinuous Plankton Recorder 
CRCPNOAA Coral Reef Conservation Program 
CSDLCoast Survey Development Laboratory 
CSIROAustralia’s Commonwealth Scientific and Industrial Research Organisation 
CSMICooperative Science and Monitoring Initiative 
CSRNational Center for Secure and Resilient Maritime Commerce 
CTDConductivity-Temperature-Depth 
CZCSCoastal Zone Color Scanner
D&FDeterminations and Findings
DA  Domoic Acid
DACData Assembly Center
DAMData Analyses and Modeling
DAPData Access Protocol 
DARTDeep-ocean Assessment and Reporting of Tsunami stations
DEMDigital Elevation Models
DICDissolved Inorganic Carbon 
DIFData Integration Framework
DMACData Management and Communications
DMAC-STData Management and Communications Steering Team
DODissolved Oxygen
DOCDepartment of Commerce
DODDepartment of Defense
DOEDepartment of Energy
DOIDigital Object Identifyers
DOIDepartment of Interior
DRGSDirect Readout Ground Station 
DWBCDeep Western Boundary Current 
DWHDeepwater Horizion/BP oil spill
E&OEducation and Outreach
EAEnterprise Architecture 
EBAEcosystem-Based Approache
EBCEastern Boundary Currents
EBMEcosystem Based Management
eBOBElementary Basic Observation Buoy
EBRMEcosystem-Based Resource Management 
ECOHABEcology and Oceanography of Harmful Algal Blooms
ECVEssential Climate Variable
EDSUSCG Environmental Data Server 
EEZExclusive Economic Zone
EISEnvironmental Impact Statements
EMCEnvironmental Modeling Center
eMOLTEnvironmental Monitors on Lobster Traps 
ENGOEnvironmental Non-Governmental Organization 
ENSOEl Niño Southern Oscillation 
EPAEnvironnemental Protection Agency
EPEEducation and Public Engagement 
ERDEnvironmental Research Division
ERDDAPEnvironmental Research Division Data Access Program
ERMAEnvironmental Response Management Application
ESExpert System
ESAEndangered Species Act
ESIPGulf of Maine Council EcoSystem Indicator Partnership
ESPEnvironmental Sample Processor
ESSDEarth System Science Data 
ESSEAEarth System Science Education Alliance 
EUCEquatorial Undercurrent
FACFederal Advisory Committee
FACTFlorida Atlantic Coast Telemetry
FADSFish Aggregating Devices
FEMAFederal Emergency Management Agency
FGDCFederal Geographic Data Committee
FISHFluorescent In Situ Hybridization
FLHFluorescent Line Height 
FMCFully Mission Capable 
FNMOCFleet Numerical Meteorology and Oceanography Center
FOARAMFederal Ocean Acidification and Monitoring Act
FOCFinal Operating Capability (or Full Operational Capability)
FOOFramework for Ocean Observing
FOSTER-LISFerry-based Observations for Science Targeting Estuarine Research – Long Island Sound
FRDFunctional Requirements Document
FVCOMFinite Volume Ocean Model 
FYFiscal Year
G&SGoods and Services
GCN GLOSS Core Network
GCN Global Coastal Network
GCOOSGulf of Mexico Coastal Ocean Observing System
GCOSGlobal Climate Observing System
GDAPGlobal Data Assembly Center
GDPGlobal Surface Drifter Program
GDPGross Domestic Product 
GEOGroup on Earth Observations
GEOGeostationary Earth Orbits
GEO-IDEGlobal Earth Observation–Integrated Data Environment
GEOSGlobal Earth Observation System
GEOSSGlobal Earth Observation System of Systems
GEWEXGlobal Energy and Water Exchanges 
GHRSSTGroup on High Resolution Sea Surface Temperature
GISGeographic Information System
GLERLGreat Lakes Environmental Research Lab 
GLOBEGlobal Learning and Observations to Benefit the Environment
GLOBECGlobal Ocean Ecosystem Dynamics
GLOSGreat Lakes Observing System
GLOS RAGreat Lakes Observing System Regional Association
GLOSSGlobal Sea Level Observing System (JCOMM)
GLRIGreat Lakes Restoration Initiative  
GMESGlobal Monitoring for Environmental Security
GMSLGlobal Mean Sea Level
GNOMEGeneral NOAA Operational Modeling Environment
GO-CEPTGlobal Oceans Collaborative Expedition Planning Tool
GODAEGlobal Ocean Data Assimilation Experiment
GOES Geostationary Operational Environmental Satellites
GOMCGulf of Maine Council on the Marine Environment 
GOMOOSGulf of Maine Ocean Observing System
GOOSGlobal Ocean Observing System
GO-SHIPGlobal Ocean Ship-based Hydrographic Investigations Program 
GOTSGovernment Off-the-Shelf
GPMGlobal Precipitation Measurement 
GPRAGovernment Performance and Results Act
GRAGOOS-Regional Alliance
GRACEGravity Recovery And Climate Experiment
GSAAGovernor’s South Atlantic Alliance 
GSCGOOS – Steering Committee 
GSSCGOOS Scientific Steering Committee
GTMBAGlobal Tropical Moored Buoy Array 
GTOPPGlobal Tagging of Pelagic Predators
GTOSGlobal Terrestrial Observing System
GTSGlobal Telecommunication System
GTSPPGlobal Temperature and Salinity Profile Programme
GUIGraphical User Interface
HABHarmful Algal Bloom
HABHRCA  Harmful Algal Bloom and Hypoxia Research and Control Act
HFIPHurricane Forecast Improvement Project
HFRHigh Frequency Radar
HLFRHigh Level Functional Requirements
HOT Hawaii Ocean Time-series 
HOTOHealth of the Ocean
HPIESHorizontal Electric Field and Pressure Inverted Echo Sounder 
HSI               Hyperspectral Imager
HSRPHydrographic Services Review Panel
HSTPHydrographic Systems and Technology Program 
HTTPHypertext Transfer Protocol
HYCOMHybrid Coordinate Ocean Model
I&MInventory and Monitoring 
IAAInteragency Agreement 
IAPSOInternational Association for the Physical Sciences of the Oceans
IASIntra-America Seas 
ICESInternational Council for the Exploration of the Sea
ICOADSInternational Comprehensive Ocean-Atmosphere Dataset
ICOAOSIntegrated Coastal Ocean Acidification Observing System
ICOOS ActIntegrated Coastal Ocean Observing System Act 
iCORDIInternational Collaboration on Research Data Infrastructures
ICOSRMIInteragency Committee on Ocean Science and Resource Management Integration
ICSUInternational Council for Science
ICWIndian Central Water 
IEAIntegrated Ecosystem Assessment
IEOSIntegrated Earth Observation System
IGESInstitute for Global Environmental Strategies 
IGLDInternational Great Lakes Datum 
I-GOOSIntergovernmental Committee for the Global Ocean Observing System
IGOSIntergovernmental Global Observing Strategy
IHOInternational Hydrographic Office 
IIPInternational Ice Patrol
IJCInternational Joint Commission
IMBERIntegrated Marine Biogeochemistry and Ecosystem Research
IMOInternational Maritime Organization 
IMONIntegrated Marine Observing Network 
IMOSIntegrated Marine Observing System 
IMPInventory and Monitoring Plan 
IndOOSIndian Ocean Observing System 
InSARSynthetic Aperture Radar Interferometry
INSTANTInternational Nusantara Stratification and Transport 
IOCIntergovernmental Oceanographic Commission
IOCInitial Operational Capability
IOCCPInternational Ocean Carbon Coordination Project 
IOCMIntegrated Ocean and Coastal Mapping
IOCOSComprehensive Integrated Ocean Carbon Observing System 
IODIndian Ocean Dipole/Zonal Mode
IODEInternational Oceanographic Data and Information Exchange 
IOOCInteragency Ocean Observing Committee
IOOSIntegrated Ocean Observing System
IPCCIntergovernmental Panel on Climate Change
IPETInteragency Performance Evaluation Task 
IPTIntegrated Product Team
IPYInternational Polar Year 
ISOInternational Organization for Standardization
ISSInternational Space Station
ITFIndonesian Throughflow
IWG-OPInteragency Working Group – Ocean Partnership
JAMSTECJapan Agency for Marine-Earth Science and Technology
JCOMMJoint Technical Commission for  Oceanographic and Marine Meteorology
JCOMMOPSJCOMM In Situ Observing Platform Support Centre 
JCSDAJoint Center for Satellite Data Assimilation
JERICOJoint European Research Infrastructure Network for Coastal Observatories
JIMOJoint Institute for Marine Observations
JISAOJoint Institute for the Study of the Atmosphere and Ocean 
JIWGUS-Canada Joint Ice Working Group 
JOCIJoint Ocean Commission Initiative
J-PICOJoint Panel for Integrated Coastal Observations
JSOSTJoint Subcommittee on Ocean Science and Technology
KDExtinction Coefficient
KESSKuroshio Extension System Study 
KUDOSKintama Underlying Data Operations System
LATEXLouisiana-Texas Shelf Physical Oceanography Program
LIDARLight Detection and Ranging Technologies
LISLong Island Sound
LISICOSLong Island Sound Integrated Coastal Observing System
LLOLarge Lakes Observatory 
LMR-ESLiving Marine Resources–Ecosystems Survey
LMSLLocal Mean Sea Level 
LOSLRLake Ontario-St. Lawrence River Study 
LRILiquid Robotics Inc.
LSCOPLarge-Scale Carbon Observing Plan
LTERLong Term Ecological Research
M&AModeling and Analysis
MABMid-Atlantic Bight 
MABLMarine Atmospheric Boundary Layer
MACOORAMid-Atlantic Coastal Ocean Observing Regional Association
MADISMeteorological Assimilation Data Ingest System 
MAPCO2Moored Autonomous pCO2 system
MARACOOSMid-Atlantic Regional Association Coastal Ocean Observing System
MARADMaritime Administration 
MARPOLMarine Pollution treaties (IMO)
MASModeling and Analysis Subsystems
MASTModeling and Analysis Steering Team
MBARIMonterey Bay Aquarium Research Institute
MBCMesopelagic Boundary Community 
MBGMarine BioGeography data standard
MCSSTMultichannel Sea Surface Temperature 
MDAMaritime Domain Awareness
MEEModel Evaluation Environments 
MERHABMonitoring and Event Response for Harmful Algal Bloom
MHKMarine and Hydrokinetic 
MHWMean High Water
MIMichigan 
MIPRMilitary Interdepartmental Purchase Request
MLLWMean Lower Low Water 
MMCMarine Mammal Commission
MMHSRPMarine Mammal Health and Stranding Response Program
MMIMarine Metadata Interoperability
MMPAMarine Mammal Protection Act  
MMSMinerals Management Service
MMSMaster Metadata Management System
MNMinnesota
MOBManagement Oversight Board 
MOCMeridional Overturning Circulation
MOCHAMeridional Overturning Circulation Heat-Transport Array
MODISModerate Resolution Imaging Spectrometer
MODUMobile Drilling Units
MOUMemorandum of Understanding
MPAMarine Protected Area
MPRMulti-Parameter Regressions 
MSLMean Sea Level 
MSPMarine Spatial Planning 
MSTNMulti-Sensor Telemetry Nodes 
MSUMichigan State University
MTRIMichigan Tech Research Institute 
MVCOMartha’s Vineyard Coastal Observatory
NAISNorth American Ice Service
NANOOSNorthwest Association of Networked Coastal Ocean Observing Systems
NAONorth Atlantic Oscillation
NARTNOAA’s North Atlantic Regional Team
NASNational Academy of Sciences
NASANational Aeronautics and Space Administration
NASBANucleic Acid Sequence-Based Amplification
NAVD88North American Vertical Datum of 1988 
NAVONaval Oceanographic Office
NAVOCEANONaval Oceanographic Office
NAWQA USCG National Water Quality Assessment 
NBNational Backbone
NCDCNational Climate Data Center 
NCEPNational Centers for Environmental Prediction
NCOMNavy Coastal Ocean Model
NDBCNational Data Buoy Center
nDICSurface Dissolved Inorganic Carbon 
NEBONortheast Benthic Observatory 
NECCNorth Equatorial Countercurrent 
NeCODPNortheast Coastal and Ocean Data Partnership
NEO NASA Earth Observations 
NEOSECNew England Ocean Science Education Collaborative
NEP National Estuaries Partnerships 
NEPANational Environmental Policy Act
NERACOOSNorth Eastern Regional Association of Coastal Ocean Observing Systems
NERRSNational Estuarine Research Reserve System
NESDISNational Environmental Satellite, Data, and Information
NETCNaval Education and Training Command
NetCDFNetwork Common Data Form 
NEXRADNext-Generation Radar
NFRANational Federation of Regional Associations for Coastal and Ocean Observing 
NGDCNOAA’s National Geophysical Data Center 
NGONongovernmental Organizations
NHCNational Hurricane Center 
NICNational Ice Center
NIONear Inertial Oscillations 
NJDEPNew Jersey Department of Environmental Protection
NMFSNational Marine Fisheries Service 
NMMLNational Marine Mammal Laboratory
NMPNational Mesonet Program 
NOAANational Oceanic and Atmospheric Administration
NODCNational Ocean Data Center
NOEPNational Ocean Economics Program
NOMADNavy Oceanographic Meteorological Automatic Device
NOPPNational Oceanographic Partnership Program
NORLCNational Ocean Research Leadership Council 
NOSNational Ocean Service
NPPSuomi-National Polar Partnership 
NRCNational Research Council
NRELNational Renewable Energy Laboratory
NRLNaval Research Laboratory
NRLSSCNaval Research Laboratory – Stennis Space Center
NROCNortheast Regional Ocean Council 
NRPCNatural Resources Program Center
NRTNear Real-Time
NSFNational Science Foundation
NSIPNational Streamflow Information Program
NSQANNational Stream Quality Accounting Network
NSRSNational Spatial Reference System 
NSTCNational Science and Technology Council
NTDENational Tidal Datum Epoch
NTLNotice to Lessees
NWLONNational Water Level Observation Network
NWPNumerical Weather Prediction
NWQMNNational Water Quality Monitoring Network
NWRNational Wildlife Refuge
NWRCNational Wildlife Refuge Complex
NWRSNational Wildlife Refuge System
NWSNational Weather Service
NWSTGNWS Telecommunication Gateway
NYHOPSNew York Harbor Observation and Prediction System 
O&MOperations and Maintenance
O&TObservations and Telemetry
OA  Ocean Acidification 
OAISOpen Archival Information System
OAPOcean Acidification Program
OAPOcean Action Plan
OBISOcean Biogeographic Information System
OCBOcean Carbon and Biogeochemistry 
OceanSITESOcean Sustained Interdisciplinary Time-series Environment observation System
OCEHOcean and Coastal Ecosystem Health 
OCIOffice of Cyberinfrastructure 
OCSOuter Continental Shelf
OCSLAOuter Continental Shelf Lands Act
ODIPOcean Data Interoperability Platform 
ODIPOcean Data Interoperability Platform 
OELOcean Engineering Laboratory
OEMNew York Office of Emergency Management 
OEPMOffice of Education Performance Measurement
OGCOpen Geospatial Consortium
OHHIOceans and Human Health Initiative
OMZOxygen Minimum Zone
ONROffice of Naval Research
OOIOcean Observatories Initiative
OOPCOcean Observations Panel for Climate 
OOPCOcean Observations Panel for Climate
OOSOcean Observing Systems 
OOSCOcean Observing Science Committee (UNLOS)
OPeNDAPOpen Source Project for a Network Data Access Protocol
OR&ROffice of Response and Restoration 
ORAPOcean Research Advisory Panel 
ORCAOcean Radar Conference for Asia
OREPOffice of Renewable Energy Programs 
ORIONOcean Research Interactive Observatory Networks
ORRAPOcean Research and Resources Advisory Panel (now ORAP)
OSCAROcean Surface Current Analysis Real-time 
OSEObserving System Evaluations 
OSEObserving System Experiment
OSMCObserving System Monitoring Center
OSRAOil Spill Risk Analysis
OSRPOil Spill Response Plans 
OSSEObserving System Simulation Experiment
OSTEPOcean Systems Test and Evaluation Program 
OSTPOffice of Science and Technology Policy 
OSVWOcean Surface Vector Winds
OTECOcean Thermal Energy Conversion
OTNOcean Tracking Network 
PAPassive Acoustic
PAPennsylvania
PAC OOI Program Advisory Committee 
PacIOOSPacific Islands Ocean Observing System
PANGEAPartnership for new GEOSS Applications 
PANYNJPort Authority of New York and New Jersey
PARPhotosynthetically Active Radiation
PARCPalmyra Atoll Research Consortium 
PAWSAPorts and Waterways Safety Assessment 
PBLPlanetary Boundary Layer
PDOPacific Decadal Oscillation
PFRPPelagic Fisheries Research Program
PIPrincipal Investigators
PICCCPacific Islands Climate Change Cooperative 
PIFSCPacific Islands Fisheries Science Center 
PIRATAPacific, Prediction and Research Moored Array in the Tropical Atlantic 
PITPlastic Infusion Technology
PLOCANPlatforma Oceanica de Canarias  
PMELPacific Marine Environmental Laboratory 
POESPolar Operational Environmental Satellite
PORTSPhysical Oceanographic Real-Time System
POSTPacific Ocean Shelf Tracking
PPPrimary Productivity
PRIMNMPacific Remote Islands Marine National Monument 
PSUPractical Salinity Units
PSVPlatform Supply Vessels 
QA Quality Assurance  
QARTODQuality Assurance for Real-Time Oceanographic Data
QCQuality Control
R&DResearch and Development
R2OResearch to Operations
R2RRolling-Deck-To-Repository (NSF)
RARegional Association
RACDCResource Assessment and Design Conditions
RACOONSRegional Association Coordinators for Coastal Ocean Observing Networks
RAMAResearch Moored Array for African-Asian-Australian Monsoon Analysis and Prediction 
RCMRADARSAT Constellation Mission 
RCOOSRegional Coastal Ocean Observing Systems
RCTNOAA Regional Collaboration Team 
RECONReal-time Coastal Observation Network
RFIDRadio-Frequency Identification
RICERegional Information Coordination Entity 
ROFFS™Roffer’s Ocean Fishing Forecasting Service, Inc. 
ROM Regional Ocean Model
ROMSRegional Ocean Modeling System
ROVRemotely Operated Vehicle
ROWGRadiowave Operators Working Group 
RSNRegional Scale Nodes 
RTOFSReal-Time Ocean Forecast System
RURutgers University
RU COOLRutgers University Coastal Ocean Observation Lab 
RUIMCSRutgers University Institute of Marine and Coastal Sciences 
RVResearch Vessel
S4Super Computer for Satellite Simulation and Data Assimilation Studies
SAFMCSouth Atlantic Fisheries Marine Council 
SAICScience Applications International. Corporation
SAMOSShipboard Automated Meteorological and Oceanographic System
SAONSustained Arctic Observing Network 
SARSearch and Rescue
SARSynthetic Aperture Radar
SAROPSSearch and Rescue Optimal Planning System
SARRSouth Asian Regional Reanalysis 
SAWSSouth African Weather Service 
SBAsSocietal Benefit Areas
SCCOOSSouthern California Coastal Ocean Observing System
SCDHECSouth Carolina Department of Health and Environmental Control
SCORScientific Committee on Oceanic Research
SCTRSeychelles Chagos Thermocline Ridge 
SDISpatial Data Infrastructure
SDRSubcommittee on Disaster Relief
SDSScience Data Segment 
SEStandard Error
SeaBASSSeaWiFS Bio-optical Archive and Storage System
SEAMAPNOAA Fisheries Southeast Area Monitoring and Assessment Program
SEaOSSouthern Elephant Seals as Oceanographic Samplers 
SeaWiFSSea-viewing Wide Field-of-view Sensor
SECOORASoutheast Coastal Ocean Observing Regional Association
SEISystem Engineering and Integration
SHASandwich Hybridization Assays
SHCStrategic Habitat Conservation 
SIFSubmission Integration Form 
SIMORSubcommittee on Integrated Management of Ocean Resources
SIOScripps Institution of Oceanography 
SLASea Level Anomalies
SLDMBSelf-Locating Datum Marker Buoy
SLOSHSea, Lake and Overland Surges from Hurricanes
SMCCPSentineal Monitoring for Climate Change in Long Island Sound Program 
SMRUSea Mammal Research Unit
SMZSpecial Management Zones
SOCATSurface Ocean Carbon Atlas 
SOLASSafety of Life at Sea
SOLECState of the Lakes Ecosystem Conference 
SOOPShip of Opportunity Program
SOOSSouthern Ocean Observing System 
SOPStandard Operating Procedure
SOSSensor Observation Service
SOSUSU.S. Navy Sound Surveillance System 
SOTShip Observations Team (JCOMM)
SPIStrategic Planning and Implementation team
SRBSurface Radiation Budget  
SRUSearch and Rescue Units
SSCSeacoast Science Center
SSHSea Surface Height
SSSSea Surface Salinity
SSTSea Surface Temperature
SSVSea Surface Velocity
STARCenter fro Satellite Applications and Research
STEMScience, Technology, Engineering, and Mathematics
STEWSSeismic-Tsunami Early Warning System 
STPSShort Term Prediction System statistical model
SURASoutheastern Universities Research Association
SWAQSubcommittee on Water Availability and Quality
SWESensor Web Enablement
SWOTSurface Water and Ocean Topography 
TA Total Alkalinity
TAO Tropical Atmosphere Ocean
TAO/TRITONTropical Atmosphere Ocean/Triangle Trans-Ocean Buoy Network 
TCTropical Cyclones
TCOONTexas Coastal Ocean Observing Network 
TCP/IPTransmission Control Protocol / Internet Protocol
TDSTHREDDS Data Server
TDWGTrilateral Datums Working Group 
THREDDSThematic Real-time Environmental Distributed Data Services
TIPTropical Implementation Panel 
TNCThe Nature Conservancy 
TOGATropical Ocean Global Atmosphere 
TOPPTagging of Pelagic Predators
TPIOTechnology, Planning and Integration Office 
TRITONTriangle Trans Ocean Buoy Network
TRLTechnology Readiness Level
TSGThermoSalinoGraph
TSSTotal Suspended Sediment 
UAFUnified Access Framework
UAVUnmanned Aerial Vehicle
U-GLOSUpper Great Lakes Observing System 
UMVUnmanned Maritime Vehicles 
UNCLOSUnited Nations Convention on the Law of the Sea 
UNESCOUnited Nations Educational, Scientific and Cultural Organization
UNFCCCUnited Nations Framework Convention on Climate Change 
UNOLSUniversity-National Oceanographic Laboratory System
UOTUpper Ocean Thermal 
USACEUnited States Army Corps of Engineers
USCGUnited States Coast Guard
USCOPUnited States Commission on Ocean Policy
USDOTUnited States Department of Transportation
USFWSUnited States Fish and Wildlife Service
USGSUnited States Geological Survey
USMCUnited States Marine Corps
USWRPUnited States Weather Research Program
VD&TVessel Detection and Tracking
VHFVery High Frequency
VIIRSVisible Infrared Imaging Radiometer Suite
VOSVoluntary Observing Ships 
WBCWestern Boundary Currents 
WCOFSWest Coast Operational Forecast System
WCRPWorld Climate Research Programme 
WCSWeb Coverage Services
WERAWellen Radar
WFOWeather Forecast Offices
WFSWeb Feature Service
WFSWest Florida Shelf 
WGFASTICES Working Group on Fisheries Acoustics, Science and Technology 
WGMSWave Glider Management System
WMOWorld Meteorological Organization
WMSWeb Map Services
WOC World Ocean Council 
WOCEWorld Ocean Circulation 
WODWorld Ocean Database 
WRAWind Resource Areas
WRCWorld Radio-communication Conference
WSDEWeb Services and Data Encoding
XBTExpendable Bathythermograph
XMLExtensible Markup Language
XSEDEExtreme Science and Engineering Discovery Environment