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Keywords
Climate (campaign title)
Day
Educational and research equipment
Experiments
KWCI (GPI)
Mesocosms
MY Esperanza
Ocean acidification
Oceans (campaign title)
Outdoors
Research
Sampling (activity)
Save the Arctic (campaign title)
Science
Testing

Mesocosm and MY Esperanza in Svalbard

The top of a mesocosm (experiment water enclosure), tied to buoys for stability, with the Greenpeace ship Esperanza on standby in the background. The ship and crew are working with scientists from the German marine research institute IFM-GEOMAR to investigate ocean acidification, by deploying nine large mesocosms in Kongsfjord, near the Arctic scientific research station of Ny-Alesund. The mesocosms are being used to investigate future implications of ocean acidification, a phenomenon caused by carbon dioxide (CO2) emissions that has just as much potential to damage marine ecosystems as climate change. Absorption of excess CO2 pollution by seawater causes its PH level to drop, making it more difficult for creatures integral to the food web to form shells and skeletons. 
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Arctic Under Pressure Expedition

The Greenpeace ship MY Esperanza and its crew are working with scientists from the German marine research institute IFM-GEOMAR to investigate ocean acidification, with the use of nine large mesocosms, or experiment water enclosures, in Kongsfjord, near the Arctic scientific research station of Ny-Alesund in Svalbard. The mesocosms are being used to investigate future implications of ocean acidification, a phenomenon caused by carbon dioxide (CO2) emissions that has just as much potential to damage marine ecosystems as climate change. Absorption of excess CO2 pollution by seawater causes its PH level to drop, making it more difficult for creatures integral to the food web to form shells and skeletons. Commenting on the success of the experiment Professor Ulf Riebesell, leader of the project said: "The experiment was successful and we have now the largest data set in our hand for impacts of ocean acidification. What we have learned from this experiment is that ocean acidification has an impact on the base of the food web, and this has implications for the entire ecosystem." The crew also tracks and documents fishing vessels from an industry exploiting this fragile ecosystem. Greenpeace is calling for the area of the Arctic Ocean historically protected year round by sea ice to be closed to all industrial activity, including destructive fishing. 
Related Collections: 
Arctic Under Pressure Expedition - The Acid Test
Arctic Under Pressure Expedition - Full Set (Photo & Videos)
Conceptually similar
Unique identifier: GP022SN 
Type: Image 
Shoot date: 31/05/2010 
Locations: Arctic, Kongsfjorden, Norway, Ny-Ålesund, Spitsbergen, Svalbard
Credit line: © Nick Cobbing / Greenpeace 
Size: 5435px × 3623px     7.16 MB 
Ranking: ★★★★★★ (B)