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Tag: depletion
Shale well depletion raises questions about oil boom
2013-12-18 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Fuel Fix: The stubborn rock that the energy industry breached to unleash a nationwide oil and gas rush remains a worthy foe, as producers must turn their drills ever faster to keep the boom`s lifeblood flowing. Engineers have long known that shale, the source rock that fed North American sandstone reservoirs for millennia, could never muster the natural pressure producers need to extract oil and gas. Its molecules are too tightly packed: Shale is about 1,000 times denser than brick, and so far, only hydraulic...
Tags: questions
oil
boom
raises
Acid Rain and Ozone Depletion May Have Triggered Mass Extinction 250 Million Years Ago
2013-11-23 18:02:00| Climate Ark Climate Change & Global Warming Newsfeed
Nature World: Acid rain and ozone depletion may have caused the Earth's most severe known mass extinction, a new study published in the journal Geology suggests. Some 250 million years ago, at the end of the Permian period, more than 90 percent of marine species and over 70 percent of terrestrial species died off, setting the scene for the day of the dinosaur. The die-off was so extreme that, according to fossil records left behind, ecological diversity was not fully restored for another several million...
New study forecasts over 25 percent depletion of world's forests
2013-10-10 09:23:00| Climate Ark Climate Change & Global Warming Newsfeed
All Voices: Forests worldwide will continue to slowly shrink before leveling out at a lower level, say researchers based at the University of Guelph, Ontario, Canada, in a new study. Varied trends, mostly downwards in terms of forest cover, affect the world's forest from illegal logging in Indonesia, associated with palm oil production, causing horrendous smog hundreds of miles away in Singapore to natural phenomena like ash-dieback disease, currently affecting many established hardwoods in Western Europe....
Tags: study
percent
worlds
forests
As US Oil Booms, an Unlikely Word Rises: Depletion
2013-05-28 09:31:00| Climate Ark Climate Change & Global Warming Newsfeed
CNBC: Could the U.S. energy revolution fall prey to the law of diminishing returns? Oil depletion, or the rate at which a new production is sapped from existing wells, is a hot topic in energy circles. It was common fodder during the years where some analysts ominously warned about demand outstripping oil, but is rarely mentioned in the context of America's budding energy boom. At least for now, depletion is not an immediate risk for a country that has only begun to scratch the surface of its oil...
Tags: word
oil
rises
depletion
USGS cites accelerating rate of depletion, posing problems for irrigation, surface water
2013-05-23 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Bloomberg: Groundwater is being depleted at a rapidly accelerating pace, posing potential problems for irrigation and surface water flow, according to a U.S. Geological Survey study released May 20. U.S. groundwater supplies were depleted by more than two times the volume of Lake Erie between 1900 and 2008, the study said. However, 25 percent of that amount--or 800 cubic kilometers of the 1000 cubic kilometers depleted--occurred between 2000 and 2008, indicating a rapid increase in the depletion rate, USGS...
Tags: rate
problems
water
surface