File:Evidence of global warming - time series of seasonal (red dots) and annual average (black line) of global upper ocean heat content for the 0-700m layer between 1955-2008.gif

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Evidence_of_global_warming_-_time_series_of_seasonal_(red_dots)_and_annual_average_(black_line)_of_global_upper_ocean_heat_content_for_the_0-700m_layer_between_1955-2008.gif ‎(800 × 567 pixels, file size: 47 KB, MIME type: image/gif)

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English: This graph shows a time series of seasonal (red dots) and annual average (black line) global upper ocean heat content for the 0-700m layer between 1955 and 2008. The graph shows that ocean heat content has increased over this time period, and is one of the many lines of evidence for global warming.

From the cited public-domain source (NOAA, 2010): "While ocean heat content varies significantly from place to place and from year-to-year (as a result of changing ocean currents and natural variability), there is a strong trend during the period of reliable measurements. Increasing heat content in the ocean is also consistent with sea level rise, which is occurring mostly as a result of thermal expansion of the ocean water as it warms." More information on the graph can be found in Johnson et al. (2009).

References: Ch. 3: Global Oceans, J.M. Levy, Ed.: c. Ocean heat content, G.C. Johnson, et al., fig 3.7, s.51, in: State of the Climate in 2008, as appearing in the August 2009 issue (Vol. 90) of the Bulletin of the American Meteorological Society (BAMS).
Date
Source NOAA: NESDIS: NCDC: Frequently Asked Questions: How do we know the Earth's climate is warming? Publisher: NOAA
Author NOAA
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(Reusing this file)		 Privacy Policy, Disclaimer, and Copyright Notice: ngdc.noaa.gov: "As required by 17 U.S.C. 403, third parties producing copyrighted works consisting predominantly of the material produced by U.S. government agencies must provide notice with such work(s) identifying the U.S. Government material incorporated and stating that such material is not subject to copyright protection within the United States. The information on government web pages is in the public domain and not subject to copyright protection within the United States unless specifically annotated otherwise (copyright may be held elsewhere). Foreign copyrights may apply."

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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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current04:12, 18 September 2012Thumbnail for version as of 04:12, 18 September 2012800 × 567 (47 KB)Enescot (talk | contribs){{Information |Description ={{en|1=This graph shows a time series of seasonal (red dots) and annual average (black line) global upper ocean heat content for the 0-700m layer between 1955 and 2008. The graph shows t...

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