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Latest Sea level Stories

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2011-07-18 14:12:07

Melting ice sheets contributed much more to rising sea levels than thermal expansion of warming ocean waters during the Last Interglacial Period, a UA-led team of researchers has found By Daniel Stolte, University of Arizona Thermal expansion of seawater contributed only slightly to rising sea levels compared to melting ice sheets during the Last Interglacial Period, a University of Arizona-led team of researchers has found. The study combined paleoclimate records with computer simulations of...

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2011-07-17 07:31:08

Study on Jakobshavn Isbrae supports growing evidence that calving glaciers are particularly sensitive to climate change Large, marine-calving glaciers have the ability not only to shrink rapidly in response to global warming, but to grow at a remarkable pace during periods of global cooling, according to University at Buffalo geologists working in Greenland. The conclusion stems from new research on Jakobshavn Isbrae, a tongue of ice extending out to sea from Greenland's west coast. Through...

2011-07-13 12:37:05

Fresh research into glaciers could help scientists better predict the impact of changing climates on global sea levels Fresh research into glaciers could help scientists better predict the impact of changing climates on global sea levels. Scientists have shown for the first time that the terrain beneath glaciers influences how much glacier melt contributes to fluctuations in sea levels. Researchers say the study will improve their understanding of how ice sheet movements have affected sea...

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2011-07-04 05:05:00

Sea levels could be rising faster than scientists originally believed, thanks to the warming subsurface waters that could cause more rapid melting of ice sheets in Greenland and Antarctica, researchers from the University of Arizona are claiming. In a new study, University of Arizona Assistant Professor of Geosciences Jianjun Yin and colleagues analyzed 19 different climate models under which global warming would accelerate the melting of the world's largest ice sheets over the next two...

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2011-06-21 06:05:00

A consistent link exists between changes in global mean surface temperature and sea level, resulting in a greater rate of sea-level rise along the U.S. Atlantic coast than that of the past 2,000 years, says an international research team. "Sea-level rise is a potentially disastrous outcome of climate change, as rising temperatures melt land-based iced and warm ocean waters," says Benjamin Horton, associate professor and director of the Sea Level Research Laboratory at the University of...

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2011-06-18 06:05:11

Official media said Friday that Cuban scientists have calculated that median sea levels around the Caribbean nation will rise above 30 inches by the end of the century due to global climate change. Abel Centella, scientific director of the country's Meteorological Institute, told Part daily Granma that models predict the sea will rise 10.6 inches by 2050, and 33.5 inches by 2100. There were no more details of what preparations the island is undertaking, although Granma said scientists are...

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2011-06-17 08:10:00

A new survey of barrier islands published earlier this spring offers the most thorough assessment to date of the thousands of small islands that hug the coasts of the world's landmasses. The study, led by Matthew Stutz of Meredith College, Raleigh, N.C., and Orrin Pilkey of Duke University, Durham, N.C., offers new insight into how the islands form and evolve over time "“ and how they may fare as the climate changes and sea level rises. The survey is based on a global collection of...

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2011-06-04 15:44:55

A Spanish research team, using 3D reflection seismology, has for the first time mapped the geomorphological features of the Ebro river basin between five and six million years ago. The images obtained show that the surface analyzed is today 2.5 or 3 kilometers below the sea bed."The results shed light on the way in which the sea level fell during the Messinian (between 5.33 and 6 million years ago), and imply that the subsequent inundation of the river margins happened extremely quickly",...

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2011-05-12 07:41:31

ESA's CryoSat team working on the Greenland ice sheet has been honored with a visit from a Dutch delegation including HRH Prince of Orange. The visit is part of a tour to learn more about climate change in polar regions and consequences for the environment. Prince Willem-Alexander's visit to Greenland was at the invitation of the World Wide Fund for Nature-Netherlands. The delegation included Johan van de Gronden, CEO of WWF-NL, Robbert Dijkgraaf, President of the Royal Dutch Academy of...

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2011-05-12 06:50:00

When NASA's salt-seeking Aquarius instrument ascends to the heavens this June, the moon above its launch site at California's Vandenberg Air Force Base won't be in the seventh house, and Jupiter's latest alignment with Mars will be weeks in the past, in contrast to the lyrics of the song from the popular Broadway musical "Hair." Yet for the science team eagerly awaiting Aquarius' ocean surface salinity data, the dawning of NASA's "Age of Aquarius" promises revelations on how salinity is...


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...

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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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