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Latest Chemical oceanography Stories

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2009-09-16 10:24:52

Scientists in Pennsylvania report that boosting production of crops used to make biofuels could make a difficult task to shrink a vast, oxygen-depleted "dead zone" in the Gulf of Mexico more difficult. The zone, which reached the size of Massachusetts in 2008, forms in summer and threatens marine life and jobs in the region. Their study is scheduled for the Oct. 1 issue of ACS' semi-monthly journal Environmental Science & Technology. Christine Costello and W. Michael Griffin and...

2009-09-02 08:10:00

GEOLOGY includes studies of the Fraser River delta, British Columbia; the impact of global climate change on microfossil communities; alluvial fans in Taiwan; earthquake ruptures; earth-flows along the Eel River; Mediterranean fossil whales; collecting bias and carnivorous dinosaurs of the Kem Kem Formation, Morocco; and the effects Hurricanes Cindy, Katrina, and Rita on barrier island systems. GSA TODAY tells a 20-million-year-old story of interactions among the Columbia River, volcanic...

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2009-08-24 13:30:21

A marine scientist said Alaska's $4.6 billion fishing industry might be in danger because marine waters in the area are turning acidic from absorbing greenhouse gases faster than tropical waters, The Associated Press reported. Jeremy Mathis, a chemical oceanographer at the University of Alaska Fairbanks, said the same things that make Alaska's marine waters among the most productive in the world - cold, shallow depths and abundant marine life "“ also make them the most vulnerable to...

2009-08-13 15:45:42

 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. According to new findings by a University of Alaska Fairbanks scientist, Alaska's oceans are becoming increasingly acidic, which could damage Alaska's king crab and salmon fisheries.This spring, chemical oceanographer Jeremy Mathis returned from a cruise armed with seawater samples collected from the depths of the Gulf of Alaska. When he...

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2009-08-06 10:15:00

The burning of fossil fuels has released tremendous amounts of the greenhouse gas carbon dioxide (CO2) into the atmosphere, significantly impacting global climate. Were it not for the absorption of CO2 by the oceans, the alarming growth of atmospheric CO2 concentration would be substantially greater than it is. However, this beneficial role of the oceans as a CO2 "scrubber" does not come without undesired consequences. When dissolved, CO2 acts as an acid, and lowers seawater pH. Since the...

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2009-08-04 09:45:00

Climate change, land-use patterns are culprits, scientists to report at Ecological Society of America conferenceWhat do the Gulf of Mexico's "dead zone," global climate change, and acid rain have in common? They're all a result of human impacts to Earth's biology, chemistry and geology, and the natural cycles that involve all three.On August 4-5, 2009, scientists who study such cycles--biogeochemists--will convene at a special series of sessions at the Ecological Society of America (ESA)'s...

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2009-07-31 08:05:00

This summer, one of the world's leading ocean science bodies, the United Nations Educational, Scientific and Cultural Organization's (UNESCO's) and Intergovernmental Oceanographic Commission (IOC) adopted the new international thermodynamic equation of state for seawater called TEOS-10. A complex, dynamic mixture of dissolved minerals, salts, and organic material, seawater has historically presented difficulties in terms of determining its physical chemical properties.For 30 years, climate...

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2009-07-25 13:35:00

A scientist reported Friday that the Gulf of Mexico's "dead zone," where low amounts of oxygen in the water make it hard for anything to live there, is less than half the size as predicted earlier this year. Every year in the gulf bacteria, Which feed on algae blooms from the flow of farming runoff and other nutrients from the Mississippi River, cause the notorious hypoxic area to form in the Gulf. According to Nancy Rabalais, a researcher that specializes in the problem for the Louisiana...

2009-07-20 14:13:00

UNITED STATES DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration NATIONAL OCEAN SERVICE Monterey Bay National Marine Sanctuary 299 Foam Street Monterey, California 93940 PALM BEACH, Calif., July 20 /PRNewswire-USNewswire/ -- The following letter by the National Oceanic and Atmospheric Administration is being republished by the Save the Earth Foundation: Neal Pargman, Founder Save The Earth 37594 Eveningside Road Palm Desert, CA 92211 Dear Neal, Many years before...

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2009-07-20 10:40:00

The world's peak ocean science body has adopted a new definition of seawater developed by Australian, German and US scientists to make climate projections more accurate. In Paris late last month the General Assembly of UNESCO's Intergovernmental Oceanographic Commission (IOC) accepted the case for the introduction of a new international thermodynamic description of seawater, cast in terms of a new salinity variable called Absolute Salinity. Hobart-based CSIRO Wealth from Oceans Flagship...


Latest Chemical oceanography Reference Libraries

Ocean Acidification
2013-04-01 10:32:20

Ocean acidification is the name that was given to the ongoing decrease in the pH of Earth’s oceans, a cause of the uptake of anthropogenic carbon dioxide from the atmosphere. About 30 to 40 percent of the carbon dioxide that is released by humans into the atmosphere dissolves into the lakes, oceans, and rivers. To maintain the chemical equilibrium, some of it reacts with the water to create carbonic acid. Some of these extra carbonic acid molecules react with a water molecule to provide a...

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Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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