Articles with the keyword: 
In acidic oceans, sound carries further
Darkfrog submitted, created time 2 months 23 hours (sciencenow.sciencemag.org)
It seems that as the oceans grow more acidic with all this atmospheric CO2, sounds begin to travel longer distances before they dissipate. Despite what one might think, this is not good news for whales and dolphins, which use sound to communicate and travel. Military sonar can already disrupt cetacean behavior as much as five hundred kilometers away. If things continue at the current rate, then by 2050, these sounds will travel 70% further in some parts of the Atlantic. 
Jellyfish plague coastal waters, a symptom of deeper problems
Darkfrog submitted, created time 3 months 3 weeks (www.nytimes.com)
Well, I can say with confidence that the jellyfish have been showing up on the coast of New Jersey more or less on schedule midsummer--just as the water turns from cold to warm--for about twenty years now. I only remember one year that could be called a bona-fide infestation. (Word of advice: ALWAYS rinse off and change clothes before the drive home. It's keeping the stingers next to your skin that causes what I'll delicately call "dermatological side effects.") This year wasn't one of them
Microbes beneath sea floor genetically distinct
sea-maid submitted, created time 4 months 1 week (esciencenews.com)
Tiny microbes beneath the sea floor, distinct from life on the Earth's surface, may account for one-tenth of the Earth's living biomass, according to an interdisciplinary team of researchers, but many of these minute creatures are living on a geologic...
Answer to Carbon Emissions May Lie Under the Sea
jerry submitted, created time 4 months 1 week (sciencenow.sciencemag.org)
Scientists may have found a way to chemically lock up a trillion metric tons of carbon dioxide, many times the expected global carbon emissions over the next century. The plan involves injecting the greenhouse gas into huge formations of the porous volcanic rock basalt that lie on the sea floor. The approach would be expensive, however, and a host of questions remain about the technique.
Global warming a threat to sea life
kavin submitted, created time 7 months 10 hours (www.msnbc.msn.com)
Recently, a new study warns that low-oxygen zones where sea life is threatened or cannot survive are growing as the oceans are heated by global warming. Oxygen-depleted zones in the central and eastern equatorial Atlantic and equatorial Pacific oceans appear to have expanded over the last 50 years. Low-oxygen "dead zones" in the Gulf of Mexico and other areas also have been studied in recent years, raising concerns about the threat to sea life.
Ocean acidification may make algae flourish
Darkfrog submitted, created time 7 months 1 week (www.nytimes.com)
For many of the smallest marine life forms, the biggest issue on the block isn't global warming, it's ocean acidification. Acid in the oceans can dissolve the calcium carbonate that makes up coral's support structure. It was thought that the shells of coccolithophores, a type of algae that forms the base of much of the ocean's ecosystem, would be dissolved as well, and one study says that they will
Ocean Impact Map Reveals Human Reach Global
sumsung submitted, created time 9 months 2 weeks (www.sciam.com)
Fishing, fertilizer runoff, pollution, shipping, climate change—these are just a few of the ways that human activities influence the oceans that cover 70 percent of Earth's surface. And in all that vastness—139 million square miles (360 million square kilometers)—less than 4 percent remains unaffected, and more than a third has suffered serious human impacts, according to a new map published in Science.
Deep-ocean vents are a source of oil and gas
sumsung submitted, created time 10 months 1 day (www.nature.com)
Undersea thermal vents can yield unexpected bounty: natural gas and the building blocks of oil products. In a new analysis of Lost City, a hydrothermal field in the mid-Atlantic, researchers have found that these organic molecules are being created through inorganic processes, rather than the more typical decomposition of once-living material.
The Ocean's Biological Deserts Are Expanding
davidd submitted, created time 10 months 6 days (sciencenow.sciencemag.org)
This "biological desert" within a swirling expanse of nutrient-starved saltwater is the largest, and least productive, ecosystem of the South Pacific. Together with the subtropical gyres in other oceans, biological deserts cover 40% of Earth's surface. But their relative obscurity may be about to change. Researchers are reporting that the ocean's biological deserts have been expanding, and they are growing much faster than global warming models predict.
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