AASTI Arctic and Antarctic Ice Surface Temperatures from thermal Infrared satellite sensors
AIRS Atmospheric InfraRed Sounder
Air temperature See page on "Why a new temperature dataset"
ARM Atmospheric Radiation Measurement programme
Average temperature In station data files often the average temperature based on hourly temperature data is presented (the average and mean temperatures may differ)
CCI Climate Change Initiative
CDG Climate Data Guide (https://climatedataguide.ucar.edu/)
CMSAF EUMETSAT’s Climate and Monitoring, Satellite Application Facility
CEDA Centre for Environmental Data Analysis
CEMS Climate and Environmental Monitoring from Space
DEM Digital Elevation Model
DMI Danish Meteorological Institute
DOI Digital Object Identifiers
DTR Diurnal Temperature Range
EC European Commission
ECA&D European Climate Assessement Database (https://www.ecad.eu/)
ECV Essential Climate Variables
E-OBS Gridded dataset bases on data from ECA&D (https://www.ecad.eu/download/ensembles/ensembles.php)
ERA ECMWF Reanalysis
ESA European Space Agency
ESA CCI European Space Agency Climate Change Initiative
EUMETSAT European Organisation for the Exploitation of Meteorological Satellites
EUSTACE EU Surface Temperature for All Corners of Earth
FVC Fraction of Vegetation Cover
GHCN-D Global Historical Climate Network – Daily
GlobTemp GlobTemperature project (http://www.globtemperature.info/)
GSOD Global Surface Summary of the Day
HadISD Hadley Centre Integrated Surface Daily
IAT Near surface air temperatures over ice
ICA&D International Climate Assessment Database (https://www.ecad.eu/icad.php)
ICOADS International Comprehensive Ocean-Atmosphere Data Set
IPCC Intergovernmental Panel on Climate Change
IPCC DDC IPCC Data Distribution Centre
IST Ice Surface Temperature
JULES Joint UK Land Environment Simulator
KNMI Royal Dutch Meteorological Institute (Koninklijk Nederlands Meteorologisch Instituut)
Locally systematic uncertainty Errors that are highly correlated across short separations in time and distance (see Product user guide section 2.1.2.1)
LSA-SAF EUMETSAT’s Land Surface Analysis Satellite Application Facility
LSAT Land Surface Air Temperature
LST Land Surface Temperature
LSTday Daytime LST
LSTngt Night time LST
LSWT Lake Surface Water Temperature
MAD Mean Absolute Difference
MAT Marine Air Temperature
Maximum temperature Highest temperature measured during a day, often measured in the early afternoon
MDB Matchup DataBase
Mean temperature Average of the minimum and maximum daily temperature (over land) In station data files often the average temperature based on hourly temperature
data is presented. The average and mean temperatures may differ.
Minimum temperature Lowest temperature measured during a day, often measured in the early morning just before sunrise
MODIS MODerate resolution Imaging Spectroradiometer (satellite)
NACLIM North Atlantic CLIMate (project)
NASA National Aeronautics and Space Administration
NH Northern Hemisphere
NMAT Night time Marine Air Temperature
NWP Numerical Weather Prediction
OSI-SAF EUMETSAT’s Ocean and Sea Ice Satellite Application Facility
PROMICE PROGramme for Monitoring of the Greenland ICE Sheet
QC Quality Control
Random uncertainty Errors that are both random and independent between all data (see Product user guide section 2.1.2.1)
RMSD Root Mean Square Difference
SAF Satellite Application Facilities
SAT Surface Air Temperature
SEVIRI Spinning Enhanced Visible and InfraRed Imager (satellite)
SH Southern Hemisphere
Skin temperature See surface skin temperature
SST Sea Surface Temperature
STFC Science & Technology Facilities Council
Surface air temperature Air temperature at a height of about 2 meters (see "Why a new temperature dataset")
Surface skin temperature Temperature of the surface of the earth measured by satelittes (see "Why a new temperature dataset")
Systematic uncertainty Errors that have a structure that is persistent in time and space (see Product user guide section 2.1.2.1)
SZA Solar Zenith Angle
T2m Screen-level air temperature (at 2 m height, normally measured at in situ station)
Tasmax Maximum surface air temperature (= Tmax)
Tasmin Minimum surface air temperature (=Tmin)
Tavg Averaged daily T2m
Tmax Maximum daily T2m
Tmean See mean temperature
Tmin Minimum daily T2m
Tskin Skin temperature (measured with satellite)
Uncertainty The ‘doubt’ we have about the measurand’s value, given the measured value and our understanding of effects causing errors (see Product user guide section 2.1.2.1)
WP Work package
Look for example at the IPCC glossary: https://www.ipcc.ch/report/sr15/glossary/