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Latest Sea level Stories

1d0648ce555b538c0db8891b243787c71
2009-02-27 07:35:00

A team of Yale geologists has a new perspective on the greenhouse-to-icehouse shift where global climate changed from an ice-free world to one with massive ice sheets in the Antarctic nearly 34 million years ago. The study, which is detailed in the February issue of Science, disproves a long-held theory that massive ice growth was accompanied by very little global temperature change. According to the report, there was an estimated 18°F drop in latitude temperatures, and nearly as great a...

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2009-02-16 15:42:18

The Greenland and Antarctica ice sheets are melting, but the amounts that will melt and the time it will take are still unknown, according to Richard Alley, Evan Pugh professor of geosciences, Penn State. In the past, the Greenland ice sheet has grown when its surroundings cooled, shrunk when its surroundings warmed and even disappeared completely when the temperatures became warm enough. If the ice sheet on Greenland melts, sea level will rise about 23 feet, which will inundate portions of...

2009-02-16 11:04:04

A U.S. geoscientist says although it's known the Greenland and Antarctica ice sheets are melting, how much ice will melt is undetermined. Penn State Professor Richard Alley said if Greenland's ice sheet melts, sea level will rise about 23 feet, which will inundate portions of nearly all continental shores. However, Antarctica, containing much more water, could add another 190 feet to sea level. We do not think that we will lose all, or even most, of Antarctica's ice sheet, said Alley. But...

2009-02-11 12:13:55

U.S. scientists say they have found proof that Earth's sea level was more than 70 feet (21 meters) higher 400,000 years ago than it is now. Storrs Olson, a zoologist at the Smithsonian's National Museum of Natural History, and geologist Paul Hearty of the Bald Head Island Conservancy said they discovered sedimentary and fossil evidence in the walls of a limestone quarry in Bermuda that documents the rise in sea level during an interglacial period of the Middle Pleistocene. Although Hearty and...

967b9f1a4155f5f5d6481d96e9ded4d51
2009-02-06 11:52:42

Sea levels could rise up to 21 feet in certain regions, according to a new report that takes into account new previously unconsidered factors. Geophysicists from the University of Toronto have previously reported that coastlines of North America and of nations in the southern Indian Ocean could face the greatest threats from a West Antarctic Ice Sheet collapse. But in a new report, scientists found that some estimates failed to take certain factors into account. "We aren't suggesting that a...

2009-01-28 13:11:02

The Dead Sea lies in a basin structure situated below the sea level. This deep subsidence is a result of a tectonic concurrence between processes in the upper lithosphere that led to subsiding and a compensating upward flow of rocks in the deeper layers of the lithosphere. This is a result presented by A. Petrunin and A. Sobolev from the GFZ - German Research Centre for Geosciences in the current issue of "PHYSICS OF THE EARTH AND PLANETARY INTERIORS" (Vol. 171, S. 387 - 399). In a series of...

5b69bc7104e39bf0750363ad8573106a1
2009-01-23 11:05:00

Did a catastrophic flood of biblical proportions drown the shores of the Black Sea 9,500 years ago, wiping out early Neolithic settlements around its perimeter? A geologist with the Woods Hole Oceanographic Institution (WHOI) and two Romanian colleagues report in the January issue of Quaternary Science Reviews that, if the flood occurred at all, it was much smaller than previously proposed by other researchers. Using sediment cores from the delta of the Danube River, which empties into the...

2009-01-22 00:19:40

A U.S. study suggests North Carolina is one of the states that will be hurt the most by a substantial rise in sea-level. Lead author Jim Titus of the U.S. Environmental Protection Agency said the sandy shore of the mid-Atlantic will erode faster than other coastal areas. The Outer Banks is at particular risk, The (Raleigh, N.C.) News & Observer reported Wednesday. The report suggests the sea-level could rise anywhere from 16 inches to about 3 feet by 2100. Earlier estimates, which...

837b758aa987e63ff82d790f37482aa41
2009-01-21 15:35:00

A new study suggests that Antarctica is rising in temperature, despite previous claims it was the only continent not suffering from global warming. Research in the past indicated that temperatures on much of Antarctica were staying the same or even cooling. But a review of satellite and weather records for the continent, which contains 90 percent of the world's ice and would raise world sea levels if it thaws, proves that freezing temperatures had risen by about 0.8 Fahrenheit since the...

6d9134de758302ed8dbed6630c7ab7d01
2009-01-17 14:05:00

The Environmental Protection Agency said on Friday rising seal levels on the United States' mid-Atlantic coast are happening faster than the global average because of global warming.The continued rise is threatening the future of coastal communities.The EPA released a report detailing coastal waters from New York to North Carolina have crept up by an average of 0.09 to 0.17 inches a year, compared with an average global increase of 0.07 inches a year.The report was commissioned by the Climate...


Latest Sea level Reference Libraries

Current Sea Level Rise
2013-04-01 10:39:21

The sea levels all around the world are rising. Current sea-level rise has the potential to affect human populations and the natural environment. Two key factors have contributed to the observed sea level rise. The first is thermal expansion: as the ocean water warms, it expands. The second is from the influence of land-based ice because of increased melting. The major store of water on land is found in the glaciers and the ice sheets. The rising of sea levels is one of several lines of...

0_d1919fec7bdce959545b042f39346f55
2010-11-15 18:22:54

A radar altimeter measures altitude above the terrain beneath an aircraft as opposed to a barometric altimeter which provides the distance above a pre-determined datum, usually sea level. Radar is the underpinning principle of the system. Radio waves that are reflected back from the ground are timed in order to calculate speed, distance, and time which are related to the each other and can be used to calculate the distance from one point to another. Lloyd Espenschied invented the radar...

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Word of the Day
snash
  • To talk saucily.
  • Insolent, opprobrious language; impertinent abuse.
This word is Scots in origin and probably imitative.