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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 ...
Since then, it has increased about a full 1°C—in a time period less than 1/3,000th the width of the top chart. Bottom chart: This 1°C increase, commonly called global warming, accelerated since 1980—a period less than 1/20,000th the width of the top chart. SOURCES (and related explanations): 1. Top chart (800,000 years): — Data itself:
Thumbnail: The first frame of this video is the 2000+-year chart. You can make that frame the thumbnail by using the thumbtime=0 specfication when invoked: [[File:20200320 ~140 and ~2000 year global average temperature charts (full speed).webm |thumb |upright=1.5 |thumbtime=0 | (caption)]]. Otherwise, the default thumbnail will prevail.
This is a list of countries and sovereign states by temperature. Average yearly temperature is calculated by averaging the minimum and maximum daily temperatures in the country, averaged for the years 1991 – 2020, from World Bank Group , derived from raw gridded climatologies from the Climatic Research Unit .
For each country-level #ShowYourStripes graphic (Hawkins, June 2019), the average temperature in the 1971–2000 reference period is set as the boundary between blue (cooler) and red (warmer) colours, the colour scale varying +/- 2.6 standard deviations of the annual average temperatures between 1901 and 2000.
Summer 2023 saw record-breaking heat, and, according to the Centers of Disease Control and Prevention, 90% of the 120,000 heat-related emergency room visits in the United States last year took ...
YouTube earlier this year wound down most of its originals division, in a significant pullback on its investment in scripted and unscripted programming. But it’s not totally out of the game ...
Some discrepancies between the UAH temperature measurements and temperatures measured by other groups remain, with (as of 2019) the lower troposphere temperature trend from 1979-2019 calculated as +0.13 °C/decade by UAH, [7] [8] and calculated at +0.208 °C/decade by RSS.