20CRv3: Twentieth Century Reanalysis Project version 3
2D-OI: Two-dimensional optimal interpolation
AgCFSR: Climate Forcing Dataset for Agricultural Modeling based on CFSR data
AgERA5: ECMWF ERA5 data for Agrometeorological indicators
AGCM: Atmospheric General Circulation Model
AgMERRA: Climate Forcing Dataset for Agricultural Modeling based on MERRA data
AHCCD: Adjusted and Homogenized Canadian Climate Dataset
AMSR-E: Advanced Microwave Scanning Radiometer - Earth Observing System sensor
ANUSPLIN: Australian National University Spline
Arctic-rcc: Arctic Regional Climate Center
ASRv2: Arctic System Reanalysis version 2
AWI: Alfred Wegener Institute
BCCA: Bias-correct climate analogues
BCCAQv2: Bias Correction/Constructed Analogues with Quantile mapping reordering version 2
CAA: Canadian Arctic Archipelago
CALM: Circumpolar Active Layer Monitoring
CanESM2: Canadian Earth System Model version 2
CANGRD: Canadian Gridded Temperature and Precipitation Anomalies
CanLEAD: Canadian Large Ensembles Adjusted Dataset
CanSWE: Canadian Historical Snow Water Equivalent dataset
CCCS: Canadian Centre for Climate Services
CCI: Climate Change Initiative
CCIN: Canadian Cryospheric Information Network
CCMEP: Canadian Centre for Meteorological and Environmental Prediction
CDD: Maximum Number of Consecutive Dry Days
CEDA: Centre for Environmental Data Analysis
CEHQ: Centre d’Expertise Hydrique du Québec
CEN: Centre d'études nordiques
CERSAT: Centre ERS d'Archivage et de Traitement
CFS: Canadian Forest Service
CFSv2: The NCEP Climate Forecast System Version 2
CFSR: Climate Forecast System Reanalysis
CHM: Canadian Hydrological Model
CIRA: Cooperative Institute for Research in the Atmosphere
CIRES: Cooperative Institute for Research in Environmental Sciences at the University of Colorado Boulder
CIRNAC: Crown-Indigenous Relations and Northern Affairs Canada
CIS: Canadian Ice Service
CloudSat: CLOUD SATellite
CMAP: CPC Merged Analysis of Precipitation
CMIP: Climate Model Intercomparison Project (phase 5, CMIP5; and phase 6, CMIP6)
CMORPH: CPC MORPHing technique, a high resolution precipitation dataset
CoCoRaHS: Community Collaborative Rain, Hail & Snow Network,
CORDEX: Coordinated Regional Climate Downscaling Experiment
CPC: Climate Prediction Center
CPCU: CPC Unified Gauge-Based Analysis of Global Daily Precipitation
CRBCPI: Climate-Resilient Buildings and Core Public Infrastructure
CRCM5: Canadian regional Climate Model version 5
CRD: Climate Research Division
Crocus-ERA5: Météo-France 1 D snow model using ERA5 data
CryoSat: CRYOgenic SATellite
CRU: Climatic Research Unit
CRU CL: Climatic Research Unit climate data over global land areas
CRUTEM4: Climatic Research Unit Air Temperature Anomalies version 4
CRU TS: Climatic Research Unit Time Series
CSA: Canadian Standards Association
CSV: Comma-separated values
Daymet: Daily Meteorological Surface Data
DIAS: Data Integration and Analysis System
DOE: United States Department of Energy
ECCC: Environment and Climate Change Canada
ECMWF: European Centre for Medium-Range Weather Forecasts
EM: Electromagnetic Induction
ERA5: Fifth major global reanalysis produced by ECMWF
ERA5-Land: ECMWF dataset for land applications based on ERA5
ERA-Interim: ECMWF global atmospheric reanalysis superseded now by the ERA5 reanalysis
ESA: European Space Agency
ESGF: Earth System Grid Federation
ESM: Earth System Model
ESMValTool: Earth System Model Evaluation Tool
ESRI: Environmental Systems Research Institute
ETCCDI: Expert Team on Climate Change Detection and Indices
EUMETSAT: European Organisation for the Exploitation of Meteorological Satellites
FWI: Fire Weather Index
GCM: General Circulation Model
GCOS: Global Climate Observing System
GDDs: Growing Degree Days
GEOSCAN: Geological Survey of Canada
GSCNC: Geological Survey of Canada - Northern Canada
GeoTIFF: Geographic Tagged Image File Format
GHGs: Green House Gases
GISTEMP: Goddard Institue for Space Studies air surface temperature analysis
GLDAS: Global Land Data Assimilation System
GlobSnow: Global Snow Project
GloFAS: Global Flood Awareness System
GloH2O: Portal with global data
GMAO: Global Modeling and Assimilation Office
GMFD: Global Meteorological Forcing Dataset for land surface modeling
GNWT: Government of the Northwest Territories
GPCC: Global Precipitation Climatology Center
GPCP: Global Precipitation Climatology Project
GPI: Geostationary Operational Environmental Sounder Precipitation Index
GPM: Global Precipitation Measurement
GSFC: NASA Goddard Space Flight Center
GTN‐P: Global Terrestrial Network for Permafrost
GWF: Global Water Futures
GWFNet: Global Water Futures Net catalogue
HadCRUT3: Hadley Centre Climatic Research Unit Temperature version 3
HadISDH: Met Office Hadley Centre Intergrated Surface Dataset of Humidity
HDDs: Heating Degree Days
HDF: Hierarchical Data Format
HRES: ECMWF’s operational high-resolution atmospheric model
HRLDAS: ECMWF’s High Resolution Land Data Assimilation system
HVAC: Heating Ventilation Air Conditioning
HTESSEL: land surface scheme in ERA5 (Tiled ECMWF Scheme for Surface Exchanges over Land incorporating land surface Hydrology)
HYDAT: Hydrometric Database
IABP: International Arctic Buoy Programme
IAMs: Integrated Assessment Models (
ICESat: NASA’s Ice, Cloud and land Elevation Satellite
IDF: Intensity-Duration-Frequency
IFREMER: French Research Institute for Exploitation of the Sea
IFS: ECMWF Integrated Forecasting System
IMERG: Integrated Multi-satellitE Retrievals for GPM
IMS: Interactive Multisensor Snow and Ice Mapping System
IPA: International Permafrost Association
IPCC: Intergovernmental Panel on Climate Change
ISD: Integrated Surface Database
IT: Information Technology
ITK: Indigenous Traditional Knowledge
IQ: Inuit Qaujimajatuqangit
JMA: Japan Meteorological Agency
JRA-55: Japanese 55-year Reanalysis
LSM: Land-surface model
LST: Land Surface Temperature
LTCE: Long Term Climate Extremes
MBCn: Multivariate bias correction with the N-dimensional probability density function transform
MERRA: Modern Era Retrospective-Analysis for Research and Applications
MERRA-2: Modern Era Retrospective-Analysis for Research and Applications version 2
MERRA-Land: A land-only ("off-line") replay of the MERRA land model component
MESH: Modelisation Environmentale Communautaire – Surface and Hydrology
Met1km: 1-km Resolution Daily Meteorological Dataset
MODIS: Moderate Resolution Imaging Spectro-Radiometer
Mosaic: One of the four land surface models used at GLDAS at NASA
MSC: Meteorological Service of Canada
MSU: Microwave Sounding Unit
MSWEP: Multi-Source Weighted-Ensemble Precipitation
NARR: North American Regional Reanalysis
NASA: National Aeronautics and Space Administration
NCAR: National Center for Atmospheric Research
NCDC: National Climatic Data Center
NCEI: NOAA National Centers for Environmental Information
NCEP: National Centers for Environmental Prediction
NESDIS: National Environmental Satellite, Data, and Information Service
NLDAS: North American Land Data Assimilation System,
NOAA: National Oceanic and Atmospheric Administration
Noah: One of the four land surface models used at GLDAS at NASA
NRCan: Natural Resources Canada
NRCS: Natural Resources Conservation Service
NSIDC: National Snow & Ice Data Center
N.W.T.: Northwest Territories
OGCM: Ocean General Circulation Model
OPI: Outgoing longwave radiation Precipitation Index
OSI SAF: Satellite Application Facility on Ocean and Sea Ice
Ouranos: Consortium sur la climatologie régionale et l'adaptation aux changements climatiques onsortium sur la climatologie régionale et
PAVICS: Analytics and Visualization for Climate Science
PCIC: Pacific Climate Impacts Consortium.
PCMDI: Program for Climate Model Diagnosis & Intercomparison
PDC: Polar Data Catalogue
PERSIANN: Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks
PIN: Permafrost Information Network
PIOMAS: Pan-Arctic Ice Ocean Modeling and Assimilation System
PMW: Passive Microwave
PNWNAMET: Pacific Northwest North America meteorological dataset
PRCPTOT: Total precipitation
PRISM: Parameter-elevation Regressions on Independent Slopes Model
PWRF: Polar Weather Research and Forecasting Model
q: absolute and specific humidity
QDM: Quantile Delta Mapping
R-ARCTICNET: Regional, Arctic Hydrometeorological data Network
RDA: NCAR Research Data Archive
RADARSAT: Radar Satellite
RCM: Regional Climate Model
RCP: Representative Concentration Pathway
RDRSv2: Regional Deterministic Reforecast System version 2
REDCAPP: Reanalysis Downscaling Cold Air Pooling Parameterization
RH: Relative humidity
RHBN: Reference Hydrometric Basin Network
RMSE: Root-mean-square error
RPN: format of standard files used at ECCC
RTS: Retrogressive Thaw Slumps
RX1day: Maximum 1-Day Total Precipitation
RX5days: Maximum 5-Day Precipitation
S14FD: S14 retrospecitive meteorological forcing dataset
SCD: Snow Cover Duration
SCDNA: Station-based serially complete dataset for North America
SCE: Snow Cover Extent
SDII: Simple precipitation intensity index
SIKU: Indigenous Knowledge Social Network
SLP: Sea-Level Pressure
SMAP: Soil Moisture Active Passive
SmartICE: Sea-ice Monitoring and Real-Time Information for Coastal Environments
SMOS: Soil Moisture and Ocean Salinity
SMMR: Scanning Multichannel Microwave Radiometer
Snow CCI: Snow Climate Change Initiative
SSM/I: Special Sensor Microwave/Imager
SSMIS: Special Sensor Microwave Imager/Sounder
SSP: Shared Socioeconomic Pathway
SWAT: Soil and Water Assessment Tool
SWE: Snow Water equivalent
SWOT: Surface Water and Ocean Topography
Tdw: Dew point temperature
Tmax: Daily maximum temperature
Tmean: Daily mean temperature
Tmin: Daily minimum temperature
TRMM: Tropical Rainfall Measuring Mission
UCAR: University Corporation for Atmospheric Research.
UDEL: University of Delaware
ULS: Upward-Looking Sonars
UNEP: United Nations Environment Programme
USDA: United States Department of Agriculture
UQAM: Université du Quebec à Montreal
WCRP: World Climate Research Programme
WHERD: Watershed Hydrology and Ecology Research Division
WMO: World Meteorological Organization
WMS: Web Map Service
WorldClim2: Version 2 of World Conservation Monitoring Centre high spatial resolution global weather and climate data
WSC: Water Survey of Canada
WWIC: Weather, Water, Ice, and Climate services
XML: Extensible Markup Language