File:Great_Lakes,_No_Clouds_(4968915002)_Brighter.jpg
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Summary
DescriptionGreat Lakes, No Clouds (4968915002) Brighter.jpg |
English: In Late August 2010 the Moderate Resolution Imaging Spectroradiometer aboard NASA's Aqua satellite provided a rare satellite view of a cloudless summer day over the entire Great Lakes region. North Americans trying to sneak in a Labor Day weekend getaway on the lakes were hoping for more of the same.The Great Lakes comprise the largest collective body of fresh water on the planet, containing roughly 18 percent of Earth's supply. Only the polar ice caps contain more fresh water. The region around the Great Lakes basin is home to more than 10 percent of the population of the United States and 25 percent of the population of Canada.Many of those people have tried to escape record heat this summer by visiting the lakes. What they found, according to The Hamilton Spectator, was record-breaking water temperatures fueled by record-breaking air temperatures in the spring and summer. By mid-August, the waters of Lake Superior were 6 to 8°C (11 to 14°F) above normal. Lake Michigan set records at about 4°C (7°F) above normal. The other three Great Lakes – Huron, Erie, and Ontario -- were above normal temperatures, though no records were set.The image was gathered by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite at 1:30 p.m. Central Daylight Time (18:30 UTC) on August 28. Open water appears blue or nearly black. The pale blue and green swirls near the coasts are likely caused by algae or phytoplankton blooms, or by calcium carbonate (chalk) from the lake floor. The sweltering summer temperatures have produced an unprecedented bloom of toxic blue-green algae in western Lake Erie, according to the Cleveland Plain Dealer..References.Environmental Protection Agency. (n.d.) The Great Lakes Atlas. Accessed September 3, 2010..The Cleveland Plain Dealer. (August 22, 2010) Scientists say the toxic blue-green algae will only get worse on Ohio lakes. Accessed September 3, 2010..The Hamilton Spectator. (August 13, 2010) Great Lakes turn to 'bath water.' Accessed September 3, 2010.NASA image by Jeff Schmaltz, MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Mike Carlowicz.Instrument: Aqua - MODISClick here to see more images fromNASA Goddard’s Earth ObservatoryNASA Goddard Space Flight Centeris home to the nation's largest organization of combined scientists, engineers and technologists that build spacecraft, instruments and new technology to study the Earth, the sun, our solar system, and the universe.Follow us onTwitterJoin us onFacebook |
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Source | http://earthobservatory.nasa.gov/IOTD/view.php?id=45615 | ||
Author | NASA | ||
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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 | 16:12, 11 October 2022 | 5,200 × 4,000 (16.54 MB) | TheWxResearcher | Uploaded a work by NASA from http://earthobservatory.nasa.gov/IOTD/view.php?id=45615 with UploadWizard |
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Image title |
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Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | GIMP 2.10.30 |
File change date and time | 12:08, 11 October 2022 |
Color space | sRGB |
Image width | 5,200 px |
Image height | 4,000 px |
Unique ID of original document | xmp.did:05801174072068119109EF8D72F9CB02 |
Date and time of digitizing | 07:08, 30 August 2010 |
Date metadata was last modified | 10:42, 2 September 2010 |
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