Earth ID: 30974

Long-term Global Warming trend, 2017 update

Released on June 19, 2018

There is a newer version of this story located here: https://svs.gsfc.nasa.gov/31028

The world is getting warmer. This map shows global, annual temperature anomalies from 1880 to 2017 based on analysis conducted by NASA’s Goddard Institute for Space Studies (GISS). Red and blue shades show how much warmer or cooler a given area was compared to an averaged base period from 1951 to 1980. The graph shows yearly, global GISS temperature anomaly data from 1880 to 2017. Though there are minor variations from year to year, the general trend shows rapid warming in the past few decades, with the last decade being the warmest. To conduct its analysis, GISS uses publicly available data from approximately 6300 meteorological stations around the world; ship-based and satellite observations of sea surface temperature; and Antarctic research station measurements. These three datasets are loaded into a computer analysis program that calculates trends in temperature anomalies relative to the annual average temperature from 1951 to 1980. Generally, warming is greater over land than over the oceans because water is slower to absorb and release heat. Warming may also differ substantially within specific landmasses and ocean basins.

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For More Information

http://data.giss.nasa.gov/gistemp/

Credits

Marit Jentoft-Nilsen: Lead Visualizer

Please give credit for this item to:
NASA's Goddard Space Flight Center, NASA Goddard Institute for Space Studies

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Data Used:

GISS Surface Temperature Analysis (GISTEMP)/GISTEMP

Model - NASA/GISS

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Note: While we identify the data sets used in these visualizations, we do not store any further details nor the data sets themselves on our site.

Keywords:
SVS >> HDTV
GCMD >> Earth Science >> Atmosphere >> Atmospheric Temperature >> Air Temperature
GCMD >> Earth Science >> Atmosphere >> Atmospheric Temperature >> Temperature Anomalies
SVS >> Hyperwall
SVS >> Climate Change
NASA Science >> Earth

GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0