MSGID: 1:317/3 649b23a9
PID: hpt/lnx 1.9.0-cur 2019-01-08
TID: hpt/lnx 1.9.0-cur 2019-01-08
June 27, 2023 - Bloom in the Black Sea

   Bloom
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   The dark water of the Black Sea was tinted with swirls of light blue in
   late June 2023. The Moderate Resolution Imaging Spectroradiometer
   (MODIS) on board NASA’s Aqua satellite acquired a true-color image of
   the colorful scene on June 24.

   The bright colors are the result of a widespread bloom of
   phytoplankton—microscopic plant-like organisms that float near the
   surface of the water year-round in relatively small numbers. When water
   temperature, sunlight length, and nutrient load are favorable,
   phytoplankton can reproduce explosively and create large floating
   colonies that can be seen from space.

   The water of the Black Sea is enriched by nutrients carried in by the
   Danube, Dnieper, Dniester, Don and other rivers, creating fertile
   territory for the growth of phytoplankton. These microscopic algae,
   bacteria, and protists use chlorophyll to make their own food from
   sunlight and dissolved nutrients and are considered the “primary
   producers” of the seas and oceans. More than 150 different types of
   phytoplankton have been observed in the Black Sea over the years, and
   they support a rich bounty of fish and other marine organisms found
   here. On the other hand, an over abundance of these organisms can
   deplete oxygen dissolved in the water and cause stress to the other
   marine life that lives in the Black Sea.

   Image Facts
   Satellite:  Aqua
   Date Acquired: 6/24/2023
   Resolutions:  1km (1008.6 KB),  500m (2.8 MB),  250m (7.8 MB)
   Bands Used: 1,4,3
   Image Credit: MODIS Land Rapid Response Team, NASA GSFC



https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2023-06-27
 
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