File:Phytoplankton bloom off Tasmania (MODIS 2018-01-29).jpg

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Captions

Captions

The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Aqua satellite acquired this true-color image on January 25.

Summary

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Description
English: Milky-blue swirls and streaks of green and turquoise floated in the waters of the Indian Ocean off the west coast of Tasmania in late January 2018. The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Aqua satellite acquired this true-color image on January 25.

The color comes from phytoplankton, which are single-celled plant-like marine organisms that use chlorophyll to create energy. They are present in the ocean water year-round, but when light, water temperature, and nutrient levels are just right, tiny phytoplankton begin to reproduce explosively, often creating huge colonies which can be seen from space.

Because the large blooms are free-floating, they can mark the flow of water currents. The swirling pattern is created by eddies, or vortices, in the ocean. Converging ocean currents off the coast of Tasmania frequently created eddies. The swirling currents help bring nutrient-rich water up off the ocean floor and tend to spur the growth of phytoplankton.
Date Taken on 25 January 2018
Source

Phytoplankton bloom off Tasmania (direct link)

This image or video was catalogued by Goddard Space Flight Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: 2018-01-29.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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Author Jeff Schmaltz, 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

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Public domain 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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