Figure
Global (left) and European land (right) average near-surface temperatures anomalies relative to the pre-industrial period
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European data
Metadata
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Methodology:
Left chart: A new approach for monitoring global temperature change since the 1850–1900 period is being used in line with the IPCC AR6 WGI report “Climate Change 2021: The Physical Science Basis” and the WMO statements on “The state of the global climate” from the Preliminary Statement for 2021 onwards. This approach results in a best estimate of 0.69°C with an uncertainty range (0.54 to 0.78 °C) to relate the standard WMO reference period 1981–2010 to 1850–1900. Datasets are normalized so that 1981–2010 average match with the ERA-5 average. The anomalies of each dataset are calculated relative to the average for 1981–2010 and then by adding the offset of 0.69° C to relate it to 1850–1900.
Right chart: For Europe there is no such “consensus” estimate for relating datasets to 1850–1900. Datasets are first normalised to 1981–2010 ERA-5 average. The anomaly values are relative to the 1850–1900 average. That average uses HadCRUT5 and Berkeley Earth for 1850–1879 and these two plus GISTEMP and NOAA GlobalTemp for 1880–1900. This is not what was done in the AR6 method to produce the consensus estimate for the global value, as it used only datasets that went back to 1850.
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Units:
Both charts: °C
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Rights:
- EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: Copernicus Climate Change Service (C3S), European Centre for Medium-Range Weather Forecasts (ECMWF), Goddard Institute for Space Studies (NASA), Japan Agency for Marine-Earth Science and Technology, Met Office Hadley Centre observations datasets, National Oceanic and Atmospheric Administration (NOAA).
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Owners:
- Copernicus Climate Change Service (C3S)
- European Centre for Medium-Range Weather Forecasts (ECMWF)
- Goddard Institute for Space Studies (NASA)
- Japan Agency for Marine-Earth Science and Technology
- Met Office Hadley Centre observations datasets
- National Oceanic and Atmospheric Administration (NOAA)
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Figure type:
- Graph
Additional information
Left chart: Data are based on 12 month callendar year averaging. Data for Europe and the Arctic are over land only. HadCRUT5 dataset refers to the ensemble mean, the minimum and maximum values for the HadCRUT5 ensemble are included.
Right chart: Data are based on 12 month callendar year averaging. Europe is defined as the land-only part of the bounded lat/lon box 25°W – 40°E, 34°N – 72°N. HadCRUT5 dataset refers to the ensemble mean, the minimum and maximum values for the HadCRUT5 ensemble are included.
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Geographic coverage
Temporal coverage
For references, please go to https://www.eea.europa.eu/data-and-maps/figures/global-left-and-european-land or scan the QR code.
PDF generated on 25 Jun 2022, 10:57 PM
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