File:Sediment in the North Sea (MODIS 2022-03-01).jpg
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Summary
[edit]DescriptionSediment in the North Sea (MODIS 2022-03-01).jpg |
English: Swirls of sediment snake through the shallow waters of the North Sea in late February 2022. The Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA’s Aqua satellite acquired a true-color image of the silty scene on February 27.
Mud-colored sediment is visible in the River Thames, which runs through the city of London, England and empties into the shallow Thames Estuary on the southeastern section of the island of Great Britain. Further north along the British coast sediment spills from several rivers, including River Great Ouse and River Nene, into an estuary called the Wash. These two sources mix with sediment raised from the shallow and sand-rich intertidal flats of the Outer Thames Estuary where the winnowing action of the waves and local currents carry the particles far into the North Sea. Sediment appears mud-colored when it floats near the surface of the water but, as it sinks and disperses, its reflectivity changes and the appearance changes from brown to green. As sediment sinks even deeper, it may begin to look blue. Some of the color in this image may also be due to the presence of phytoplankton—microscopic plant-like organisms that live in these waters year-round but may burst into vigorous growth when conditions are right to form large, colorful blooms. Nutrients supplied by sediment and carried along the currents helps spur spring and summer blooms in the North Sea. |
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Date | Taken on 27 February 2022 | ||
Source |
Sediment in the North Sea (direct link)
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Author | MODIS Land Rapid Response Team, NASA GSFC |
This media is a product of the Aqua mission Credit and attribution belongs to the mission team, if not already specified in the "author" row |
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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