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Tag: sealevel
Antarctic Melting Could Double Sea-Level Rise
2016-04-12 14:59:00| Climate Ark Climate Change & Global Warming Newsfeed
CourtHouse News: Scientists have underestimated the impact of Antarctic ice-sheet melting on global sea levels, which one group of researchers now believe may rise 50 feet in the next 500 years if greenhouse gas emissions continue. The massive West Antarctic ice sheet - one of the final leftovers from the last ice age - is larger than Mexico, and capable of raising global sea level by 12 feet or more due to its significant width and depth. While scientists had presumed that it would take hundreds of years for...
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Burning fossil fuels is responsible for most sea-level rise since 1970
2016-04-12 01:50:00| Climate Ark Climate Change & Global Warming Newsfeed
Econo Times: Global average sea level has risen by about 17 cm between 1900 and 2005. This is a much faster rate than in the previous 3,000 years. The sea level changes for several reasons, including rising temperatures as fossil fuel burning increases the amount of greenhouse gases in the atmosphere. In a warming climate, the seas are expected to rise at faster rates, increasing the risk of flooding along our coasts. But until now we didn't know what fraction of the rise was the result of human activities....
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Ice sheet modeling of Greenland, Antarctica helps predict sea-level rise
2016-02-16 17:02:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: The Greenland and Antarctic ice sheets will make a dominant contribution to 21st century sea-level rise if current climate trends continue. However, predicting the expected loss of ice sheet mass is difficult due to the complexity of modeling ice sheet behavior. To better understand this loss, a team of Sandia National Laboratories researchers has been improving the reliability and efficiency of computational models that describe ice sheet behavior and dynamics. The team includes researchers Irina...
NASA Says Sea-Level Rise Temporarily Slowed By Aquifers & Lakes
2016-02-15 23:03:00| Climate Ark Climate Change & Global Warming Newsfeed
Nature World: For the first time, scientists can see how water storage on land affects how much and how fast sea levels have risen. An orbiting NASA satellite calculated the amount of water stored on Earth's continents, and the measurements revealed that terrestrial bodies are soaking up an extra 3.2 trillion tons of water, which is briefly mitigating the rise in sea level by approximately 20 percent. This land water is being stored in lakes, underground aquifers and the soil. Researchers from NASA's Jet Propulsion...
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Washington, DC sinking fast, adding to threat of sea-level rise
2015-07-28 17:02:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: New research confirms that the land under the Chesapeake Bay is sinking rapidly and projects that Washington, D.C., could drop by six or more inches in the next century--adding to the problems of sea-level rise. This falling land will exacerbate the flooding that the nation's capital faces from rising ocean waters due to a warming climate and melting ice sheets--accelerating the threat to the region's monuments, roads, wildlife refuges, and military installations. For sixty years, tide gauges have...
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