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Process showing how methane is derived from photosynthetic bacteria.
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Process showing how methane is derived from photosynthetic bacteria.
Process showing how methane is derived from photosynthetic bacteria.
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iBase ID
290254
Creator
Taylor, Eric S.
Title
Process showing how methane is derived from photosynthetic bacteria.
Process showing how methane is derived from photosynthetic bacteria.
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Date
04/18/2006
File name
16G1000-Methane.jpg
Notes
Image Of the Day caption: An enduring ocean mystery may finally be solved. For decades, scientists have known that the oceans surface waters are full of methane gas. But they didn't know where it came from, because most of the microbes that make methane cant survive in oxygen-rich surface waters. New research led by WHOI geochemist Dan Repeta may have found the answer. The study showed that photosynthetic bacteria in the upper ocean make chains of sugars called polysaccharides, while different bacteria snip apart those chains, releasing methane and other gases as byproducts. These findings reveal a previously-unknown microbial source of methane, a powerful greenhouse gas. Caption from WHOI news release: The new study determined that much of the oceans dissolved organic matter is made up of novel polysaccharideslong chains of sugar molecules created by photosynthetic bacteria in the upper ocean. Bacteria begin to slowly break these polysaccharides, tearing out pairs of carbon and phosphorus atoms from their molecular structure. In the process, the microbes create methane, ethylene, and propylene gasses as byproducts. Most of the methane escapes back into the atmosphere. - See more at: http://www.whoi.edu/news-release/mysterious-methane-in-the-ocean#sthash.mackLBVj.dpuf
Image Of the Day caption:
An enduring ocean mystery may finally be solved. For decades, scientists have known that the oceans surface waters are full of methane gas. But they didn't know where it came from, because most of the microbes that make methane cant survive in oxygen-rich surface waters. New research led by WHOI geochemist Dan Repeta may have found the answer. The study showed that photosynthetic bacteria in the upper ocean make chains of sugars called polysaccharides, while different bacteria snip apart those chains, releasing methane and other gases as byproducts. These findings reveal a previously-unknown microbial source of methane, a powerful greenhouse gas.
Caption from WHOI news release:
The new study determined that much of the oceans dissolved organic matter is made up of novel polysaccharideslong chains of sugar molecules created by photosynthetic bacteria in the upper ocean. Bacteria begin to slowly break these polysaccharides, tearing out pairs of carbon and phosphorus atoms from their molecular structure. In the process, the microbes create methane, ethylene, and propylene gasses as byproducts. Most of the methane escapes back into the atmosphere. - See more at: http://www.whoi.edu/news-release/mysterious-methane-in-the-ocean#sthash.mackLBVj.dpuf
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© Woods Hole Oceanographic Institution
©Shane Gross/Greenpeace
Adobe Farmhouse Photography
Getty Images/iStockphoto
Illustration by Eric S. Taylor, WHOI Creative
Illustration by Jack Cook
Illustration by Jayne Doucette
Illustration by Natalie Renier, WHOI Creative
Marine Imaging Technologies, LLC © Woods Hole Oceanographic Institution
Photo by Amy Apprill
Photo by Craig LaPlante
Photo by Daniel Hentz
Photo by Danielle Fino
Photo by Darlene Trew Crist
Photo by Elise Hugus
Photo by Hannah Piecuch
Photo by Jayne Doucette
photo by Jeff Yonover
Photo by Katherine Spencer Joyce
Photo by Ken Kostel
Photo by Marley L. Parker
Photo by Matthew Barton
Photo by ML Parker
Photo by Rebecca Travis
Photo by Sean Patrick Whelan
Photo by Tina Thomas
Photo by Tom Kleindinst
Photo by Véronique LaCapra
Photo courtesy of Woods Hole Oceanographic Institution Archives
Photographie : @alexis.rosenfeld
ROV SuBastian / Schmidt Ocean In
Video by Craig LaPlante
Video by Danielle Fino
Video by Hannah Piecuch
Video by Jayne Doucette
Video by Ken Kostel
Video by Matthew Barton
-- Other --
Illustration by Eric S. Taylor, WHOI Graphic Services
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Image courtesy of NOAA Ocean Exploration, Deep Connections 2019.
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etaylor: News Release, 11/17/2016 jdoucette: Image Of the Day, 01/10/2017
etaylor: News Release, 11/17/2016
jdoucette: Image Of the Day, 01/10/2017
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Biogeochemistry
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Marine Chemistry & Geochemistry
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Greenhouse Gases
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Methane (CH4)
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MCG - Marine Chemistry and Geochemistry
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