File:North American Temperature Anomaly March 2012.png
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DescriptionNorth American Temperature Anomaly March 2012.png |
English: The map depicts land surface temperatures of March 8-15 compared to the average of the same eight day period from 2000-2011. Areas with warmer than average temperatures are shown in red; near-normal temperatures are white; and areas that were cooler than the 2000-2011 base period are blue.
Land surface temperatures are distinct from the air temperatures that meteorological stations typically measure. LSTs indicate how hot the surface of the Earth in a particular location would feel to the touch. From a satellite vantage point, the “surface” includes a number of materials that capture and retain heat, such as sand in the desert, the dark roof of a building, or the pavement of a road. As a result, daytime land surface temperature are usually much higher than air temperatures—something that anyone who has walked barefoot across a parking lot on a summer afternoon knows instinctively. |
Date | |
Source | http://eoimages.gsfc.nasa.gov/images/imagerecords/77000/77465/namericalsta_tmo_2012068_lrg.png http://earthobservatory.nasa.gov/IOTD/view.php?id=77465 |
Author | NASA Earth Observatory image by Jesse Allen, using data from the Level 1 and Atmospheres Active Distribution System (LAADS) |
Licensing[edit]
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:53, 23 March 2012 | 1,800 × 1,800 (2.86 MB) | Sagredo (talk | contribs) |
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Horizontal resolution | 35.43 dpc |
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Vertical resolution | 35.43 dpc |
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