ApocaDocuments (6) matching "global warming" from this week
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Sat, Jun 19, 2010
from University of Tennessee, via EurekAlert:
Scientist links increase in greenhouse gases to changes in ocean currents
By examining 800,000-year-old polar ice, scientists increasingly are learning how the climate has changed since the last ice melt and that carbon dioxide has become more abundant in the Earth's atmosphere.
For two decades, French scientist Jérôme Chappellaz has been examining ice cores collected from deep inside the polar ice caps of Greenland and Antarctica. His studies on the interconnecting air spaces of old snow -- or firn air -- in the ice cores show that the roughly 40 percent increase of carbon dioxide in the atmosphere since the Earth's last deglaciation can be attributed in large part to changes in the circulation and biological activity of the oceanic waters surrounding Antarctica.... ...
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Sweet! That means it's in large part not our fault, right?
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Fri, Jun 18, 2010
from Utrecht University via ScienceDaily:
Climate Change Threatens Food Supply of 60 Million People in Asia
According to an article by three Utrecht University researchers published in the journal Science on 11 June, climate change will drastically reduce the discharge of snow and ice meltwater in a region of the Himalayas, threatening the food security of more than 60 million people in Asia in the coming decades. The Indus and Brahmaputra basins are expected to be the most adversely affected, while in the Yellow River basin the availability of irrigation water will actually increase. ...
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Doesn't McDonald's sooo feed that many folks in, like, ten minutes?
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Fri, Jun 18, 2010
from CanWest News Service:
Carbon emissions having harmful, lasting impact on oceans: Reports
The oil spill in the Gulf of Mexico is a disaster, but it may pale compared to what scientists say is brewing in the world's oceans due to everyday consumption of fossil fuels.
The billions of tonnes of carbon dioxide sent wafting into the atmosphere each year through the burning of oil, gas and coal are profoundly affecting the oceans, says a series of reports published Friday in the journal Science... Marine scientists Ove Hoegh-Guldberg, at the University of Queensland in Australia, and John Bruno, at University of North Carolina, describe how the oceans act as a "heat sink" and are slowly heating up along with the atmosphere as greenhouse gas emissions climb.
The warming, they say, is "likely to have profound influences on the strength, direction and behaviour" of major ocean currents and far-reaching impacts on sea life.
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The surf is up a creek with a dissolving paddle.
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Thu, Jun 17, 2010
from London Guardian:
Cutting greenhouse gases will be no quick fix for our weather, scientists say
Global warming will continue to bring havoc to the world's weather systems for decades after reductions are made in greenhouse gas emissions, a new study shows.
Scientists at the Met Office Hadley Centre in Exeter say climate change could bring greater disruption to the planet's water cycle than previously thought.
The research suggests that increased floods and droughts could continue long after future efforts to stabilise temperature may succeed. ...
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Creedence asks: "Who'll stop the rain?" ...looks like nobody!
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Tue, Jun 15, 2010
from Cape Cod Times, from DesdemonaDespair:
Cape lobster industry faces crisis
In what could be the first major economic blow to local fisheries pinned on global warming, regulators are contemplating shutting down the lobster industry from Buzzards Bay to Long Island Sound for five years due to a drastic population drop brought on by temperature changes of just a few degrees in inshore waters.
Lobstermen south of Cape Cod have seen their catches nosedive for the past decade, from more than 20 million pounds in 1997 to less than 5 million last year. In the past, overfishing, water pollution, pesticides and an outbreak of shell disease were blamed for the failure of the fishery.
But tough fishing regulations have done nothing to reverse the trend, and some scientists now believe water temperature may be the primary obstacle to recovery.... It's called trophic shift -- when the environment changes so dramatically that the least tolerant resident species move out, and ones more adapted to live under those new conditions move in. ...
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It's not just the lobsters that are in hot water!
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Mon, Jun 14, 2010
from Science News:
Operation Icewatch 2010 gears up
...June is the time when polar scientists start to scrutinize in earnest how much ice will be left atop the Arctic Ocean after this year's summer melt season. The National Snow and Ice Data Center in Boulder, Colo., reported this week that ice extent -- a measure of total ice-covered area, including some gaps in the ice -- was, at the end of May, close to the lowest ever recorded for that time of year...there's no denying the remarkable overall decline of Arctic ice cover since satellite observations began in 1979. ...
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It may be melting because we're paying attention to it!.
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