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Use constraints
Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports. For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case Hugo Ahlenius, UNEP/GRID-Arendal)
Source(s)
CRU (2007). CRUTEM3v dataset. Climate Research Unit, University of East Anglia. http://www.cru.uea.ac.uk/cru/data/temperature [Accessed 5 May 2007]
Keeling, C.D. and Whorf, T.P. (2005). Atmospheric CO2 records from sites in the SIO air sampling network. In Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge
Mann, M.E. and Jones, P.D. (2003). 2,000 Year Hemispheric Multi-proxy Temperature Reconstructions, IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series #2003-051. NOAA/NGDC Paleoclimatology Program, Boulder
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Uploaded on Tuesday 21 Feb 2012
by GRID-Arendal
Historical trends in carbon dioxide concentrations and temperature
Year:
2008
Author:
Hugo Ahlenius, UNEP/GRID-Arendal
Description:
The more recent history, from the middle ages and up until now, show increasing temperatures, rising as the world emerged from the Little Ice Age (LIA), around 1850. With the industrial era, human activities have at the same time increased the level of carbon dioxide (CO2) in the atmosphere, primarily through the burning of fossil fuels. Carbon dioxide is one of the main greenhouse gases, and scientists have been able to connect human activities as one of the drivers to climate change and global warming. The top part of the CO2 measurements, the observations, are what is referred to as the 'Mauna Loa curve' or the 'Keeling curve'.
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Tags:
Carbon dioxide (62) , Climate (565) , Global warming (100) , Ice (204) , Atmosphere (58) , Indicator (76) , Temperature (110) , Climatology (22) , Geology (6) , Glaciology (3) , History (25)
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