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Sustainable Seas

Ocean Acidification

on Saturday, 08 October 2011. Posted in Sustainable Seas

Ocean Acidification PDF Print E-mail

Ocean acidification is an undisputed fact. The ocean presently takes up one-fourth of the carbon CO2 emitted to the atmosphere from human activities. As this CO2 dissolves in the surface ocean, it reacts with seawater to form carbonic acid, increasing ocean acidity and shifting the partitioning of inorganic carbon species towards increased CO2 and dissolved inorganic carbon, and decreased concentration of carbonate ion.

While our understanding of the possible consequences of ocean acidification is still rudimentary, both the scientific community and the society at large are increasingly concerned about the possible risks associated with ocean acidification for marine organisms and ecosystems. 


Global Land Ice PDF Print E-mail

More than 2 trillion tons of ice melted in arctic since 2003

WASHINGTON (AP) | December 2008   More than 2 trillion tons of land ice in Greenland, Antarctica and Alaska have melted since 2003, according to new NASA satellite data that show the latest signs of what scientists say is global warming.

More than half of the loss of landlocked ice in the past five years has occurred in Greenland, based on measurements of ice weight by NASA's GRACE satellite, said NASA geophysicist Scott Luthcke. The water melting from Greenland in the past five years would fill up about 11 Chesapeake Bays, he said, and the Greenland melt seems to be accelerating.

NASA scientists planned to present their findings Thursday at the American Geophysical Union conference in San Francisco. Luthcke said Greenland figures for the summer of 2008 aren't complete yet, but this year's ice loss, while still significant, won't be as severe as 2007.

The news was better for Alaska. After a precipitous drop in 2005, land ice increased slightly in 2008 because of large winter snowfalls, Luthcke said. Since 2003, when the NASA satellite started taking measurements, Alaska has lost 400 billion tons of land ice.


http://co2now dot org/Know-the-Changing-Climate/Effects/

Sustainable Seas

on Tuesday, 20 September 2011. Posted in Sustainable Seas

Sylvia Earle: Sustainable Seas

Monday, October 19, 2009 - 8:00pm - 10:00pm

Campbell Hall, UC Santa Barbara

Sylvia Earle PosterGeneral public $12.00
UCSB Students $8.00

Oceanographer and 2009 TED Prize-winner Sylvia Earle has led more than 50 expeditions worldwide involving more than 6,000 hours underwater. She has served as the chief scientist of the National Oceanic and Atmospheric Administration, and is currently an explorer-in-residence at the National Geographic Society. Now, Earle is the face behind Google Oceans, a comprehensive simulated ocean guide that explores the evolving history of the sea. Earle will share her joy of discovery through images and stories from her more than 30-year aquatic career – and express how that joy can help save the world.

Co-presented by UCSB Arts & Lectures, the Carsey-Wolf Center's Environmental Media Initiative, and the Environmental Studies Program as part of the Critical Issues in America Forum titled “Forty Years After the Big Spill – Looking Back, Looking Ahead: 21st Century Environmental Challenges in a Global Context.” Presented in conjunction with the Interdisciplinary Humanities Center series OIL + WATER.





Sylvia A. Earle, called "Her Deepness" by the New Yorker and the New York Times, "Living Legend" by the Library of Congress, and first "Hero for the Planet" by Time Magazine, is an oceanographer, explorer, author and lecturer with experience as a field research scientist, government official, and director for corporate and non-profit organizations including the Kerr McGee Corporation, Dresser Industries, Oryx Energy, the Aspen Institute, the Conservation Fund, American Rivers, Mote Marine Laboratory, Duke University Marine Laboratory, Rutgers Institute for Marine Science, the Woods Hole Oceanographic Institution Research, National Marine Sanctuary Foundation, Ocean Futures, and Ocean Conservancy. Formerly Chief Scientist of NOAA, Dr. Earle is a National Geographic Explorer in Residence, Founder of SEAlliance, Mission Blue, and Deep Ocean Exploration and Research, Inc., and Chairs Advisory Councils for the Harte Research Institute for Gulf of Mexico Studies; the Ocean in Google Earth; the Marine Science and Technology Foundation and the Schmidt Research Vessel Institute. She has a BS degree from Florida State University, MS and PhD. from Duke University, 19 honorary degrees, has lectured in more than 80 countries, appeared in hundreds of radio and television productions and has authored more than 175 scientific, technical and popular publications including Exploring the Deep Frontier, Sea Change, Wild Ocean, Dive, The National Geographic Atlas of the Ocean and The World is ...


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