File:Blooming Waters off Argentina - NASA Earth Observatory.jpg
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To download the full resolution and other files go to: earthobservatory.nasa.gov/IOTD/view.php?id=76401&src=... On a sunny spring day in November 2011, the clouds parted over coastal Argentina to reveal a massive bloom of phytoplankton coloring the ocean. Phytoplankton are microscopic, plant-like organisms that harness sunlight to turn carbon dioxide and water into sugars and oxygen (photosynthesis). They are the primary producers of the ocean and the center of the marine food web, providing food for everything from zooplankton to whales. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this natural-color image on November 5, 2011. The milky blue and green swirls are evidence of the abundant growth of phytoplankton across hundreds of kilometers of the sea. These organisms contain pigments (such as chlorophyll) that appear in varying shades of blues, greens, and reds depending on the species. The phytoplankton in the image are likely a blend of diatoms, dinoflagellates, and coccolithophores. Blooms of diatoms and dinoflagellates are more common in the spring, while coccolithophores tend to dominate in early summer. The blooms develop frequently in southern spring and summer at an intersection of two great current systems. The warm salty waters of the subtropical Brazil Current flow south and mix with colder, fresher waters that originate in the Southern Ocean and get carried northward by the Malvinas Current. Several major rivers, including the Rio de la Plata, carry nitrogen and iron-rich sediment from the continent into the sea, providing the nutrients needed for plant growth. |
| Date | |
| Source | Blooming Waters off Argentina |
| Author | NASA's Earth Observatory |
| Permission (Reusing this file) |
NASA image by Jeff Schmaltz, LANCE/EOSDIS MODIS Rapid Response. Caption by Jeff Schmaltz and Mike Carlowicz. |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This image was originally posted to Flickr by NASA Earth Observatory at https://www.flickr.com/photos/68824346@N02/6350775484. It was reviewed on 2 July 2012 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 17:19, 2 July 2012 | | 720 × 720 (158 KB) | Dzlinker (talk | contribs) | == {{int:filedesc}} == {{Information |Description=To download the full resolution and other files go to: [http://earthobservatory.nasa.gov/IOTD/view.php?id=76401&src=flickr earthobservatory.nasa.gov/IOTD/view.php?id=76401&src=...] On a sunny spring da... |
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