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Latest Chemical oceanography Stories

2008-12-18 15:48:24

Concern about increasing ocean acidification has often focused on its potential effects on coral reefs, but broader disruptions of biological processes in the oceans may be more significant, according to Donald Potts, a professor of ecology and evolutionary biology at the University of California, Santa Cruz, and an expert in coral reef ecology and marine biodiversity. Potts gave an invited talk on "Geobiological Responses to Ocean Acidification" at the Fall Meeting of the American...

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2008-12-12 10:36:23

Researchers have discovered that the ocean's chemical makeup is less stable and more greatly affected by climate change than previously believed. The researchers report in the December 12, 2008 issue of Science that during a time of climate change 13 million years ago the chemical makeup of the oceans changed dramatically. The researchers warn that the chemical composition of the ocean today could be similarly affected by climate changes now underway "“ with potentially far-reaching...

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2008-12-01 14:15:00

Microorganisms in rivers and streams play a crucial role in the global carbon cycle that has not previously been considered. Freshwater ecologist Dr. Tom Battin, of the University of Vienna, told a COST ESF Frontiers of Science conference in October that our understanding of how rivers and streams deal with organic carbon has changed radically. Microorganisms such as bacteria and single celled algae in rivers and streams decompose organic matter as it flows downstream. They convert the carbon...

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2008-11-25 08:15:00

Researchers now believe the ocean is growing more acidic faster than once thought, thanks to increasing levels of atmospheric carbon dioxide. University of Chicago scientists documented the phenomena in a paper published online in the Proceedings of the National Academy of Sciences. "Of the variables the study examined that are linked to changes in ocean acidity, only atmospheric carbon dioxide exhibited a corresponding steady change," said J. Timothy Wootton, the lead author of the study...

2008-10-17 18:00:13

Due to high growth and the uniqueness of their product line, Ocean's Flavor Sea Salt is expanding with the help of its production facility partner to meet that growing need. Ocean's Flavor produces a low-sodium, all natural sea salt. Ocean's Flavor products are natural due to the specialized process that optimizes the environment's natural ability to produce salt. This sea salt is comprised of lower sodium, but maintains great taste and the ocean's healthy minerals, which are required for a...

2008-10-16 18:00:15

A U.S. ecologist says he's found a commercially valuable species of clam thriving in oxygen-depleted waters of a so-called "dead zone" off the East Coast. Andrew Altieri, a post-doctoral researcher at Brown University, discovered the population of quahog clams increased in hypoxic zones, defined as areas in which dissolved oxygen in the water has been depleted. He said he determined whether quahog clams have a natural capacity to survive in oxygen-starved waters, but their predators...

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2008-10-15 10:45:00

Coastal dead zones, an increasing concern to ecologists, the fishing industry and the public, may not be as devoid of life after all. A Brown scientist has found that dead zones do indeed support marine life, and that at least one commercially valuable clam actually benefits from oxygen-depleted waters. Andrew Altieri, a post-doctoral researcher in the Department of Ecology and Evolutionary Biology at Brown University, studied dead zones in Narragansett Bay, one of the largest estuaries on...

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2008-09-30 08:50:00

Scientists said Monday that the number of polluted "dead zones" in the world's oceans are increasing and coastal fish stocks are more at risk than once thought. Writing in the journal Proceedings of the National Academy of Sciences, researchers said the rise of "dead zones" -- areas of oxygen-starved water -- "are emerging as a major threat to coastal ecosystems globally." The zones are found from the Gulf of Mexico to the Baltic Sea in areas where algae bloom and use oxygen from the water....

2008-09-18 03:00:08

When I attend a middle school or high school career day, I often have a student tell me, "I want to be an oceanographer." But as we talk more, I realize that what the student really wants to be is a marine biologist. Or sometimes it's the other way around - the student says "marine biology" when he or she is thinking of oceanography. What's the difference? Basically, it comes down to this - an oceanographer studies the oceans, a marine biologist studies marine life. Oceanography is the...

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2008-09-12 10:30:00

The precise timing of the origin of life on Earth and the changes in life during the past 4.5 billion years has been a subject of great controversy for the past century. The principal indicator of the amount of organic carbon produced by biological activity traditionally used is the ratio of the less abundant isotope of carbon, 13C, to the more abundant isotope, 12C. As plants preferentially incorporate 12C, during periods of high production of organic material the 13C/12C ratio of carbonate...


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
mundungus
  • A stinking tobacco.
  • Offal; waste animal product; organic matter unfit for consumption.
This word comes from the Spanish 'mondongo,' tripe, entrails.