Sentences with phrase «ice scientist at»

But according to Joey Comiso, a sea ice scientist at Goddard, the recovery flattened last winter and will likely reverse after this melt season.
Similarly, Mark Brandon, a sea - ice scientist at the Open University, reproduced an interesting series of tweets and links to articles that showed the development of the current panic about ice, beginning with (alleged) comedian Marcus Brigstocke's misconception of the story.
«The winter maximum gives you a head start, but the minimum is so much more dependent on what happens in the summer that it seems to wash out anything that happens in the winter,» Walt Meier, a sea ice scientist at NASA's Goddard Space Flight Center, explained in a recent statement.
The new model is the first to document and quantify this new feedback — one that is not accounted for in climate models, says Jason Box, an ice scientist at the Geological Survey of Denmark and Greenland in Copenhagen, who has documented rising impurities at a local scale during field campaigns.
But according to Joey Comiso, a sea ice scientist at Goddard, the recovery flattened last winter and will likely reverse after this melt season.

Not exact matches

«In a future mission, we could fly through those plumes and tell a lot about the chemistry and nature of the surface» and possibly a liquid ocean below, Bob Pappalardo, a planetary scientist at NASA's Jet Propulsion Laboratory who wasn't involved in the work, told Business Insider — all without having to drill through the moon's miles - thick ice shell.
All the forces of nature that we used to call «acts of God» have become, at least in part, acts of humankind (excepting volcanoes and earthquakes — though scientists this winter announced that lurching ice had more than doubled the number of earthquakes under Greenland).
But ice shouldn't be stable at Ceres's surface, says Andy Rivkin, a planetary scientist at the Johns Hopkins University Applied Physics Laboratory.
Murali Haran, a professor in the department of statistics at Penn State University; Won Chang, an assistant professor in the department of mathematical sciences at the University of Cincinnati; Klaus Keller, a professor in the department of geosciences and director of sustainable climate risk management at Penn State University; Rob Nicholas, a research associate at Earth and Environmental Systems Institute at Penn State University; and David Pollard, a senior scientist at Earth and Environmental Systems Institute at Penn State University detail how parameters and initial values drive an ice sheet model, whose output describes the behavior of the ice sheet through time.
But although scientists have studied the impacts of forest fires and acid rain, no one's looked closely at the impacts of ice storms.
For glaciers that extend from low to high elevation, measurements taken at the low end — the glacier's «snout» — may not tell scientists much about how the same ice sheet is behaving higher up the mountain.
Using satellite radar and helicopter observations, scientists at Laval University in Quebec and the University of Alaska at Fairbanks discovered that the more - than -150-square-mile Ward Hunt Ice Shelf on the north coast of Canada's Nunavut territory has split in half.
From an appendectomy on the Antarctic ice sheet to the comparative luxury of the new South Pole station, scientist Vladimir Papitashvili talks about his life's work at the poles
«Provinces not only differed in their prevalence of high - dose opioid prescribing, but each province also appears to favour different opioids,» said Gomes, who is also a scientist at ICES.
Scientists have predicted a new phase of superionic ice, a special form of ice that could exist on Uranus and Neptune, in a theoretical study performed by a team of researchers at Princeton University.
«These objects may hold ice and preserve a record of conditions at formation between the orbits of Mars and Jupiter,» he told New Scientist.
Miller and a few other scientists began to suspect that life began not in warmth but in iceat temperatures that few living things can now survive.
Scientists from Rice University and Texas A&M University - Corpus Christi's Harte Research Institute for Gulf of Mexico Studies have discovered that Earth's sea level did not rise steadily but rather in sharp, punctuated bursts when the planet's glaciers melted during the period of global warming at the close of the last ice age.
In an analysis, the National Snow and Ice Data Center said the sea ice extent as of Sept. 16 was 2 million square miles, an amount just below revised estimates for 2009, the former sixth place finisher, said Julienen Stroeve, a scientist at the centIce Data Center said the sea ice extent as of Sept. 16 was 2 million square miles, an amount just below revised estimates for 2009, the former sixth place finisher, said Julienen Stroeve, a scientist at the centice extent as of Sept. 16 was 2 million square miles, an amount just below revised estimates for 2009, the former sixth place finisher, said Julienen Stroeve, a scientist at the center.
The scientists believe that sea ice is still at the heart of the story.
The features would be the first large ice volcanoes in the solar system, says Jeff Moore, a New Horizons scientist at NASA Ames Research Center in Mountain View, California, though the team is not yet willing to say the discovery is definite.
One of the Science co-authors, Peter Huybers, a climate scientist at Harvard University, says he was pleased by the confirmation — especially because it comes from a fast - spreading center, where the ice age signal is more difficult to observe.
«The disintegration came as a total surprise,» says Scambos, who, with scientists at the British Antarctic Survey, has been monitoring the continent's ice shelves continually via satellite for many years.
Without action to stave off climate change, some scientists believe that, at that rate, all of the year - round ice in the Arctic could be gone by as early as 2030.
«Poor adherence with the Canadian pregnancy prevention guidelines means that Canada, inadvertently, is using pregnancy termination rather than pregnancy prevention to manage fetal risk from isotretinoin,» states lead author Dr. David Henry, senior scientist at the Institute for Clinical Evaluative Sciences (ICES) and executive co-lead of the Canadian Network for Observational Drug Effect Studies (CNODES).
At the time, scientists had hints from satellites, but they weren't sure if the world's major ice sheets were melting.
«It is a very good paper which provides valuable new insights about the physical processes controlling the change in reflectivity of the Greenland ice sheet and specifically its darkening over time,» said Eric Rignot, a senior research scientist at NASA's Jet Propulsion Laboratory who studies ice sheets but was not involved with the new study.
After a week of rumbling, Iceland's Bárðarbunga volcano began erupting yesterday, say scientists at the Icelandic Meteorological Office (IMO) in Reykjavik — although the eruption remained entirely under the thick ice covering the volcano.
After a few years the warnings of a new ice age (which only a minority of scientists had thought at all plausible) were dropped, and attention concentrated on global warming.
By looking at the ratio of two of these cosmic - ray - made elements — aluminum - 26 and beryllium - 10 caught in crystals of quartz, and measured in an accelerator mass spectrometer — the scientists were able to calculate how long the rocks in their samples had been exposed to the sky versus covered by ice.
Scientists believed the Siberian forebears of Native Americans arrived 9,000 years ago, at the end of the last ice age.
In a March report in Geophysical Research Letters scientists at the U.S. Naval Research Laboratory (NRL) describe how large waves can penetrate more deeply into ice cover and break it up faster and more completely than anyone had suspected.
Now Chad Trujillo, a planetary scientist at the California Institute of Technology, and his colleague Mike Brown have identified a massive hunk of rock and ice that is nearly 800 miles across, the largest minor planet ever discovered in the solar system.
«People had calculated that water ice would be stable at the pole, but no one knew whether it actually existed there,» says planetary scientist William Boynton of the University of Arizona in Tucson, who is in charge of the instrument that found the ice.
Nevertheless, some scientists claim that ratios of oxygen isotopes in marine fossils from the east coast of the US indicate that the Antarctic ice sheet melted at least partially during the Pliocene.
A better understanding of how and why the Larsen C crack expanded so quickly could help scientists better predict the future of all Antarctic ice shelves, says Richard Alley, a glaciologist at Penn State.
Planetary scientists Robert Pappalardo and Amy Barr of the University of Colorado at Boulder theorize that rust - colored dots on Europa are blobs of mineral - rich ice that rose to the top of the satellite's frozen crust.
Measurements of the shape of this feature tell scientists that Charon's water ice layer may have been at least partially liquid in its early history, and has since refrozen.
While some may see evidence of rapid glacier thinning in the past and again today as evidence that the West Antarctic Ice Sheet is nearing a collapse driven by human - caused climate change, Steig said at this point, scientists just don't know whether that is the case.
The scientists measured the isotope ratios in three ice cores from across East Antarctica, each of which dates back to at least 340,000 years ago.
While Arrhenius appears to have been wrong about the temperature effect on the Antarctic, scientists today have found strong evidence for what they now call Arctic amplification in the North Pole, said Mark Serreze, the director of the National Snow and Ice Data Center at the University of Colorado, Boulder.
NASA scientists prepare for an unprecedented look at the Red Planet's ancient seas and modern ice fields — key sites in the ongoing search for life.
The scientists stressed the need for more study of the conditions at the bottom of the ice sheet because of a proposal published in the Bulletin of the Atomic Scientists in 1973 to use the ice sheet as a dumping ground for radioactscientists stressed the need for more study of the conditions at the bottom of the ice sheet because of a proposal published in the Bulletin of the Atomic Scientists in 1973 to use the ice sheet as a dumping ground for radioactScientists in 1973 to use the ice sheet as a dumping ground for radioactive waste.
By combining GOCE's high - resolution measurements with information from Grace, scientists can now look at changes in ice mass in small glacial systems — offering even greater insight into the dynamics of Antarctica's different basins.
Scientists will then comb these for clues from isotopes as to the age and temperature of the ice at the bottom of the sheet.
For several years, scientists at the Polar Research Institute of China in Shanghai, who are also members of IPICS, have been probing the ice sheet that covers Dome A, a plateau close to the centre of the Antarctic continent.
But, as scientists including National Oceanic and Atmospheric Administration (NOAA) Administrator Jane Lubchenco said today at a press conference at the American Geophysical Union's fall meeting, record - setting melting happened anyway: record snow melt, record sea ice minimum, melting even at the top of the Greenland ice sheet (in what was once called the «dry snow zone»), and widespread warming of permafrost.
Satellites can't peek below the ice, though, so scientists at the time didn't know whether the bloom was an oddity or representative of a shift in the Arctic environment.
Also in the mid-1990s, another group of scientists proposed the now widely accepted mechanism for how lakes can form under glaciers: Heat radiating from Earth's interior is trapped under the thick, insulating ice sheet, and pressure from the weight of all the ice above it lowers the melting point of the ice at the bottom.
But not much was made of all this; scientists at the time were less interested in water than in the ice thickness.
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