First buoy to monitor ocean acidification launchedJune 13, 2007Scientists will measure air-sea exchange of carbon dioxide, oxygen and nitrogen gas in Gulf of Alaska The first buoy to monitor ocean acidification has been launched in the Gulf of Alaska. Attached to the 10-foot-diameter buoy are sensors to measure climate indicators. Acidification is a result of carbon dioxide absorbed by the seas. "The instruments will measure the air-sea exchange of carbon dioxide, oxygen and nitrogen gas in addition to the pH, a measure of ocean acidity, of the surface waters," said Steven Emerson of the University of Washington, the project's lead scientist. "This is the first system specifically designed to monitor ocean acidification." The buoy is anchored in water nearly 5,000 meters deep. Once it hit the water, the buoy immediately began to transmit data via satellite. The buoy is part of a National Science Foundation (NSF) grant awarded to oceanographers at the University of Washington and Oregon State University, working in collaboration with scientists at NOAA's Pacific Marine Environmental Laboratory (PMEL), and at Fisheries and Oceans Canada and the Institute of Ocean Sciences in Sidney, B.C. "Information from this buoy will lead to a better understanding of ocean acidification--a growing threat to the world's oceans--by helping scientists determine exactly how physical and biological processes affect carbon dioxide in the north Pacific Ocean," said Fred Lipschultz, program director in NSF's division of ocean sciences. The grant was funded through NSF's Biocomplexity in the Environment emphasis area on Carbon and Water in the Earth System. The goal of the research is to examine how ocean circulation and ecosystems interact to determine how much carbon dioxide the north Pacific Ocean absorbs each year. "The Gulf of Alaska region is particularly important because it is likely to be one of the first regions to feel the impacts of ocean acidification," said Christopher Sabine, a PMEL oceanographer. "This a significant step in furthering our understanding of how the ocean is reacting to carbon dioxide, as well as an important addition to the growing Global Ocean Observing System of Systems, which incorporates the best technology to provide the best science to help decision makers and the general public," said Richard Spinrad, assistant administrator of NOAA's Office of Oceanic and Atmospheric Research. Useful NSF Web Sites: NSF Home Page: http://www.nsf.gov NSF News: http://www.nsf.gov/news/ For the News Media: http://www.nsf.gov/news/newsroom.jsp Science and Engineering Statistics: http://www.nsf.gov/statistics/ Awards Searches: http://www.nsf.gov/awardsearch/ National Science Foundation |
|||||||||||||||||||||
| Related Ocean Acidification Current Events and Ocean Acidification News Articles Ocean acidification may contribute to global shellfish decline Relatively minor increases in ocean acidity brought about by high levels of carbon dioxide have significant detrimental effects on the growth, development, and survival of hard clams, bay scallops, and Eastern oysters, according to researchers at Stony Brook University's School of Marine and Atmospheric Sciences. Man-made crises 'outrunning our ability to deal with them,' scientists warn The world faces a compounding series of crises driven by human activity, which existing governments and institutions are increasingly powerless to cope with, a group of eminent environmental scientists and economists has warned. Time to tap climate-change-combating potential of the world's ecosystems Investing in restoration and maintenance of the Earth's multi-trillion dollar ecosystems - from forests and mangroves to wetlands and river basins - can have a key role in countering climate change and climate-proofing vulnerable economies. Carnegie Institution The future of the Earth could rest on potentially dangerous and unproven geoengineering technologies unless emissions of carbon dioxide can be greatly reduced, a new study has found. New findings show increased ocean acidification in Alaska waters The same things that make Alaska's marine waters among the most productive in the world may also make them the most vulnerable to ocean acidification. University of Hawaii at Manoa researchers reveal ocean acidification at Station ALOHA The burning of fossil fuels has released tremendous amounts of the greenhouse gas carbon dioxide (CO2) into the atmosphere, significantly impacting global climate. NOAA Report Finds Threats to California's Cordell Bank Marine Sanctuary A new NOAA report on the health of Cordell Bank National Marine Sanctuary indicates that the overall condition of the sanctuary's marine life and habitats is fair to good, but identifies several emerging threats to sanctuary resources. Rising acidity levels could trigger shellfish revenue declines, job losses Changes in ocean chemistry - a consequence of increased carbon dioxide (CO2) emissions from human industrial activity - could cause U.S. shellfish revenues to drop significantly in the next 50 years, according to a new study by researchers at the Woods Hole Oceanographic Institution (WHOI). Global sunscreen won't save corals Emergency plans to counteract global warming by artificially shading the Earth from incoming sunlight might lower the planet's temperature a few degrees, but such "geoengineering" solutions would do little to stop the acidification of the world oceans that threatens coral reefs and other marine life. Elevated Water Temperature and Acidity Boost Growth of Key Sea Star Species, UBC Researchers New research by UBC zoologists indicates that elevated water temperatures and heightened concentrations of carbon dioxide can dramatically increase the growth rate of a keystone species of sea star. More Ocean Acidification Current Events and Ocean Acidification News Articles |
|||||||||||||||||||||
|
|||||||||||||||||||||
|
|||||||||||||||||||||