File:Phytoplankton Bloom in Baltic Sea (MODIS 2018-07-19).jpg

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Captions

Captions

The Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA’s Terra satellite acquired a true-color image of the colorful scene on July 15.

Summary

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Description
English: Streaks and swirls of green and blue colored the waters of the Baltic Sea in mid-July 2018. The Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA’s Terra satellite acquired a true-color image of the colorful scene on July 15.

The colors give evidence of a phytoplankton bloom – a massive growth of microscopic, plant-like organisms. While phytoplankton occur in these waters year-round they are usually in relatively low numbers. Only when conditions are just right – enough sunlight, correct water temperature, and proper nutrients present – do the organisms begin to reproduce explosively, creating large blooms that can easily be seen from space.

A number of different types of phytoplankton live in these waters, and the typical blooms in spring and late summer tend to contain different species. In the summer, the predominant organisms is typically a type of blue-green algae. At least one type of blue-green algae found in these waters is considered toxic and can cause illness in animals and humans, while the others are colorful but are not toxic. It’s not possible to tell, from space, which organism is predominant nor if it is toxic.
Date Taken on 15 July 2018
Source

Phytoplankton Bloom in Baltic Sea (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: 2018-07-19.

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Author Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC
This media is a product of the
Terra mission
Credit and attribution belongs to the mission team, if not already specified in the "author" row

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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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