File:Map of projected global warming across the globe by the 2050s using the IPCC SRES A1b greenhouse gas emissions scenario. Data from CMIP3 (2007).jpg
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DescriptionMap of projected global warming across the globe by the 2050s using the IPCC SRES A1b greenhouse gas emissions scenario. Data from CMIP3 (2007).jpg |
English: The following description is based on the cited public-domain source: This map shows the average of a set of climate model experiments projecting changes in surface temperature for the period 2050-2059, relative to the period from 1971-1999. Future greenhouse gas emissions were fed into the climate models to project future temperature changes. In this temperature projection, emissions are based on the Intergovernmental Panel on Climate Change's emissions scenario "A1b". Scenario A1b assumes humans will roughly balance their use of fossil fuels with other, non-carbon emitting sources of energy. All models project some warming for all regions, with land areas warming more than oceans. The image shows greatest warming in Arctic regions, with warming of around 6 to 9 °F. Scenario A1b is an emissions projection based on plausible assumptions of how human development might progress over the 21st century. However, because emissions projections depend on the choices people make in the future (e.g., over future efforts on energy efficiency and choices over the use of fossil fuels), climate scientists can’t say with certainty how probable this temperature projection is. Greenhouse gas concentrations may grow at rates that are higher or lower than is projected in scenario A1b. Future temperature changes may therefore be larger or smaller than is projected in this map. |
Date | |
Source | Map of projected temperatures for IPCC Scenario A1b, in ClimateWatch Magazine » Global Temperature Projections. NOAA Climate Portal. |
Author | Ned Gardiner, Hunter Allen, and Jay Hnilo |
Permission (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." |
Other versions | The above projection for Scenario A1b can be compared with projections based on two other emissions scenarios at File:Map of projected global warming across the globe by the 2050s. Projections based on three SRES greenhouse gas emissions scenarios. Data from CMIP3 (2007).jpg |
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Public domainPublic domainfalsefalse |
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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current | 05:39, 3 October 2012 | 888 × 474 (109 KB) | Enescot (talk | contribs) | {{Information |Description ={{en|1=The following description is based on the cited public-domain source: This map shows the average of a set of climate model experiments projecting changes in surface temperature for the ... |
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Orientation | Normal |
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Horizontal resolution | 72.009 dpi |
Vertical resolution | 72.009 dpi |
Software used | Adobe Photoshop CS4 Macintosh |
File change date and time | 16:29, 6 July 2012 |
Color space | sRGB |
Image width | 888 px |
Image height | 474 px |
Date and time of digitizing | 03:37, 1 March 2012 |
Date metadata was last modified | 09:29, 6 July 2012 |
Unique ID of original document | xmp.did:82B5ED330B206811945D89CEE524454D |