Latest Sea level Stories
WASHINGTON, March 15, 2011 /PRNewswire-USNewswire/ -- Researchers and flight crew arrived in Thule, Greenland, on Monday, March 14, for the start of NASA's 2011 Operation IceBridge, an airborne mission to study changes in Arctic polar ice.
Ice sheets have been losing mass at an accelerated rate over the past two decades, and these changes could soon become the dominant contributor to rising global sea levels, a NASA-funded study has discovered.
Rising sea levels could threaten an average of 9 percent of the land within 180 US coastal cities by 2100.
Hotter summers may not be as catastrophic for the Greenland ice sheet as previously feared and may actually slow down the flow of glaciers, according to new research.
Scientists reported on Friday that Greenland's icesheet shed a record amount of melted snow and ice in 2010.
New NASA satellite data indicate the current La NiÃ±a event in the eastern Pacific has remained strong during November and December 2010.
A new study of local sea-level trends by researchers at the Virginia Institute of Marine Science (VIMS) brings both good and bad news to localities concerned with coastal inundation and flooding along the shores of Chesapeake Bay.
Scientists from around the world have been hearing about the latest results from ESA's new GOCE, SMOS and CryoSat Earth observation missions at the biggest scientific gathering of the year.
Sudden changes in the volume of meltwater contribute more to the acceleration â€“ and eventual loss â€“ of the Greenland ice sheet than the gradual increase of temperature.
Southampton researchers have estimated that sea-level rose by an average of about 1 meter per century at the end of the last Ice Age, interrupted by rapid â€˜jumpsâ€™ during which it rose by up to 2 and a half meters per century.
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...
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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