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Original source page, titled "Global Temperature Anomalies from 1880 to 2019" Visualizations by Lori Perkins, includes the descriptions: "This color-coded map in Robinson projection displays a progression of changing global surface temperature anomalies. Normal temperatures are the average over the 30 year baseline period 1951-1980.
English: Warming stripes graphic comparing different datasets of Global Mean Surface Temperature (GMST). General concept of warming stripes was developed by Ed Hawkins (climatologist) Five data sources for five datasets are listed at File:20200324 Global average temperature - NASA-GISS HadCrut NOAA Japan BerkeleyE.svg
The "border" temperature between red and blue stripes was chosen as the average of the highest and lowest temperature values (not as an average of a date range as is customary in warming stripes). Data for Version 1 is through 2023, updated over the data shown in the 2019 Related File linked below.
English: Chart showing global average sea surface temperature over time, beginning in 1880, with annual average and 5-year smoothed average NASA GISS data source: Link to NASA GISS data access page (click on "Annual Mean Temperature Change over Land and over Ocean") and direct link to chart data; Thicker line is 5-year average
Projected global surface temperature changes relative to 1850–1900, based on CMIP6 multi-model mean changes. The IPCC Sixth Assessment Report defines global mean surface temperature (GMST) as the "estimated global average of near-surface air temperatures over land and sea ice, and sea surface temperature (SST) over ice-free ocean regions, with changes normally expressed as departures from a ...
The last decade has brought the temperatures to the highest levels ever recorded. The graph shows global annual surface temperatures relative to 1951-1980 mean temperatures. As shown by the red line, long-term trends are more apparent when temperatures are averaged over a five year period.
A reconstruction of Arctic temperatures over four centuries by Overpeck et al. 1997 reached similar conclusions, but both these studies came up against the limitations of the climate reconstructions at that time which only resolved temperature fluctuations on a decadal basis rather than showing individual years, and produced a single time ...
Global surface temperature; Global warming hiatus; Scientific consensus on climate change; Temperature anomaly; Warming stripes; Talk:Climate change/Archive 86; Talk:Climate change/Archive 94; Talk:Climate change/Archive 95; Talk:Climate change in the United States/Archive 1; Talk:Data and information visualization; Talk:Instrumental ...