Earth  ID: 4255

2014 Global Temperature Anomalies: United States to Global view

The year 2014 ranks as Earth’s warmest since 1880, according to an analysis by NASA scientists.

The 10 warmest years in the instrumental record, with the exception of 1998, have now occurred since 2000. This trend continues a long-term warming of the planet, according to an analysis of surface temperature measurements by scientists at NASA’s Goddard Institute of Space Studies (GISS) in New York.

In an independent analysis of the raw data, NOAA scientists also found 2014 to be the warmest on record.

For understanding climate change, the long-term trend of rising temperatures across the planet is more important than any year’s individual ranking. These rankings can be sensitive to analysis methods and sampling. While 2014 ranks as the warmest year in NASA’s global temperature record, it is statistically close to the values from 2010 and 2005, the next warmest years.

Since 1880, the average surface temperature of Earth has warmed by about 1.4 degrees Fahrenheit (0.8 degrees Celsius), a trend that is largely driven by the increase in carbon dioxide and other human emissions into the planet’s atmosphere. The majority of that warming has occurred in the past three decades.


Regional differences in temperature in any year are more strongly affected by weather dynamics than the global mean. For example, in the U.S. in 2014, parts of the Midwest and East Coast were anomalously cool, while Alaska and three western U.S. states – California, Arizona and Nevada – recorded their warmest years on record, according to NOAA, which assesses official U.S. temperature records.


The GISTEMP analysis website is located at: http://data.giss.nasa.gov/gistemp/

 

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For More Information

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


Visualization Credits

Gavin A. Schmidt (NASA/GSFC GISS): Lead Scientist
Reto A. Ruedy Ph.D. (SIGMA Space Partners, LLC.): Scientist
Robert B Schmunk Ph.D. (SIGMA Space Partners, LLC.): Scientist
Patrick Lynch (Wyle Information Systems): Lead Writer
Michelle Handleman (USRA): Lead Producer
Joy Ng (USRA): Producer
Leslie McCarthy: Producer
Lori Perkins (NASA/GSFC): Lead Data Visualizer
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio

Data provided by Robert B. Schmunk (NASA/GSFC GISS)

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Data Used:
GISS Surface Temperature Analysis (GISTEMP)/GISTEMP
Model - NASA/GISS
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.

This item is part of this series:
Global Temperature Anomalies

Keywords:
SVS >> Climate
SVS >> Global Warming
SVS >> HDTV
DLESE >> Physical oceanography
GCMD >> Earth Science >> Biosphere >> Ecological Dynamics >> Extinction
GCMD >> Earth Science >> Climate Indicators >> Teleconnections >> El Nino Southern Oscillation
GCMD >> Earth Science >> Oceans >> Coastal Processes >> Sea Level Rise
SVS >> Model Data
SVS >> iPod
SVS >> Science On a Sphere
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