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| Keywords: Phytoplankton Bloom off Ireland, Image of the Day DVIDS834426.jpg en Swirling clouds of blue and green lit the Atlantic Ocean west of Ireland on June 2 2006 when the Moderate Resolution Imaging Spectroradiometer modis gsfc nasa gov MODIS on NASA's aqua nasa gov/ Aqua satellite captured this image The ocean is normally black in true-color photo-like satellite images such as this one but a large phytoplankton bloom lent the water its brilliant blue and green hues Phytoplankton are microscopic plants that grow in the sunlit surface waters of the ocean When enough of the plants grow in one place the bloom can be seen from space Aside from coloring ocean waters phytoplankton play a large role in sustaining ocean ecosystems and in global climate The tiny plants are the base of the marine food chain and places where blooms are frequent tend to support a thriving marine population Since the plants need nutrients like iron to grow fertile waters are often near a continental shelf in areas where cool water from the ocean's depths pushes to the surface This upwelling water carries with it nutrients that had settled to the ocean floor; the nutrients allow the water to sustain large phytoplankton blooms Phytoplankton influence global climate by regulating gases in the atmosphere Like all plants phytoplankton absorb carbon dioxide and release oxygen as they grow When the plants die they sink to the ocean floor carrying the absorbed carbon with them Over the course of the Earth's history the oceans have become the primary sink for atmospheric carbon dioxide Since carbon dioxide is a greenhouse gas it traps heat at the Earth's surface the Earth would be a much warmer place without phytoplankton In recognition of the importance of Earth's oceans President Bush declared June 4-10 2006 www whitehouse gov/news/releases/2006/06/20060602-6 html National Oceans Week In his proclamation the President said I call upon the people of the United States to learn more about the vital role the oceans play in the life of our country and how we can conserve their many natural treasures I encourage all our citizens to observe this week with appropriate programs and activities The large image provided above has a resolution of 250 meters per pixel The image is available in rapidfire sci gsfc nasa gov/gallery/ 2006153-0602/Ireland A2006153 1305 additional resolutions from the MODIS Rapid Response Team earthobservatory nasa gov/Library/Phytoplankton/phytoplankton1 html What are Phytoplankton NASA Identifier Ireland_AMO_2006153 2011-07-06 Glenn Research Center https //www dvidshub net/image/834426 834426 2013-02-08 03 44 WASHINGTON D C US PD-USGov Images from DoD uploaded by Fæ Ireland island Atlantic Ocean Phytoplankton | ||||
