Sentences with phrase «from ice scientists»

Not exact matches

Trump's stance on the environment contradicts thousands of scientists and decades of research, which has linked many observable changes in climate, including rising air and ocean temperatures, shrinking glaciers, and widespread melting of snow and ice, to an increase in greenhouse gas emissions from human activities.
The melting adds between 120 and 140 tons of ice to the ocean, which scientists say will raise water levels globally anywhere from 1.33 to 1.5 inches each year.
Seeing these discouraging results, Woodruff and colleague Lonnie Shea, a materials scientist, suggested suspending individual immature follicles in tiny beads of alginate, a substance derived from brown algae and commonly used as an ice cream thickener.
Scientists first thought this water was melting from surface ice, but that interpretation is less likely for the slopes near the equator, where the surface is probably too warm for ice.
Images from the High Resolution Stereo Camera on Mars Express show raft - like ground structures — dubbed «plates» — that look similar to ice formations near Earth's poles, according to an international team of scientists.
Other scientists have documented true seals using their pawlike forelimbs in stereotypically terrestrial ways, too, such as using the claws to dig out lairs in ice or uncovering buried fish from the seafloor.
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.
In addition to such ice changes — accelerated melting in Greenland, western Antarctica and from mountain glaciers throughout the world — scientists have improved their understanding of the atmosphere's workings.
Lancaster University scientists worked with colleagues from China and Germany to collect and analyse samples from ice cores which had been laid down over 30 years, to show how residues of Perfluoroalkyl substances (PFASs) in the environment have changed over time.
A new study by a team of scientists from the University of Malta and the Institut de Génétique Moléculaire de Montpellier (CNRS / Université de Montpellier) could help develop treatment strategies for a crippling disorder that was the focus of the Ice Bucket Challenge, the world's largest global social media phenomenon.
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
Scientists have proposed that heat emanating outward from the planet's core may pass through an inner layer of superionic ice, and through convection, create vortices on the outer layer of ionic water that give rise to local magnetic fields.
Exact numbers are a work in progress The scientists used a combination of surface elevation data from satellites and planes between 1978 and 2012 and a GPS network that weighs the ice sheet like a scale, according to Ohio State.
Atmospheric scientists from the GEOMAR Helmholtz Centre for Ocean Research Kiel and the Max Planck Institute for Meteorology in Hamburg have now found an explanation that could significantly improve the interpretation of ice cores.
«The ice cores obtained through international collaborations were critical to the success of this study in that they allowed us to develop records from parts of Antarctica not often visited by U.S. - based scientists,» said co-author Tom Neumann of NASA's Goddard Space Flight Center in Greenbelt, Maryland, who participated in a Norway - U.S. traverse that collected several of the cores used in this study.
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.
Another recommendation was to reduce the size of the expensive - to - operate LC - 130 fleet of ice - equipped aircraft from 10 to six; these aircraft are kept busy servicing the stations and ferrying scientists to research locations.
Although a British team was unsuccessful in its quest to penetrate Lake Ellsworth, a group of Russian scientists successfully retrieved samples from Lake Vostok, thousands of kilometers away on the Eastern Antarctic Ice Sheet.
As the Arctic summers are getting warmer we may see an acceleration of global warming, because reduced sea ice in the Arctic will remove less CO2 from the atmosphere, Danish scientists report.
Ever since hikers first spotted the remains of Ötzi the Iceman, as he is known, emerging from the melting ice in the Ötztal Alps near the Austrian - Italian border in 1991, scientists have been working to determine how he died and what he was doing in such a remote spot.
After a glaciologist from Alaska believed she heard trapped air bubbles escaping the ice, she teamed with other scientists from Texas to eavesdrop on bits of melting glacier ice taken from Gulkana Glacier in Alaska.
With the help of computer - generated scenery, scientists act as tour guides through exotic spacescapes — clambering around the surface of a comet, for instance, while describing the supersonic jets of ice that erupt from its surface.
For many years, there has been a quest to solve the problem of measuring acidity in the porous annual layers of the ice and now scientists from the Niels Bohr Institute have succeeded.
An article in the March issue of Oceanography, authored by scientists from Cornell and Rutgers universities, points to 2012's unprecedented Arctic sea ice melt as the root cause of the events that transformed a relatively modest storm into a destructive force (ClimateWire, Sept. 20, 2012).
Recording these temperatures continuously can help scientists develop a detailed picture of the physics by which the ocean melts the ice shelves from below, says oceanographer Laurence Padman of Earth & Space Research in Corvallis, Oregon.
Scientists have drilled into one of the most isolated depths in all of the world's oceans: a hidden shore of Antarctica that sits under 740 meters of ice, hundreds of kilometers in from the sea edge of a major Antarctic ice shelf.
Scientists find translucent fish in a wedge of water hidden under 740 meters of ice, 850 kilometers from sunlight
Some scientists plan to assess the stability of the remaining ice shelf, others will map the region's seafloor topography and still others want to study the newly exposed ecosystem that's been hidden from the sun for up to 120,000 years (SN Online: 10/13/17).
Scientists drilling ice cores out of Greenland have found lead from fly ash, a byproduct of coal combustion, dating back to the era.
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.
«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).
After further analysis of the data, the scientists found that although a strong El Niño changes wind patterns in West Antarctica in a way that promotes flow of warm ocean waters towards the ice shelves to increase melting from below, it also increases snowfall particularly along the Amundsen Sea sector.
The scientists looked into the hypothesis that soot from forest fires in China, Siberia and North America could be driving the increased darkening of the ice sheet.
Scientists have explained Sputnik Planitia's youthful appearance by positing that it is an ancient impact basin — a giant crater filled with thick floes of younger ice that, driven by heat seeping up from below, churn and refresh the surface.
Several Russian news outlets are reporting that Russian scientists have successfully drilled to Antarctica's Lake Vostok, a massive liquid lake cut off from daylight for 14 million years and buried beneath 2 miles (3.7 kilometers) of ice.
At the time, scientists had hints from satellites, but they weren't sure if the world's major ice sheets were melting.
Scientists spent a month in Denali National Park in 2013 drilling ice cores from the summit plateau of Mt. Hunter.
Scientists are studying ice from different climate periods in the past to better understand how the ice sheet might respond in the future.
For decades scientists have theorized how that ice might act as an insulator, preserving vestiges of warmth and moisture deep within Pluto and other objects so far from the sun.
Scientists are interested in knowing more about ice from the Eemian period, a time from 115,000 to 130,000 years ago that was about as warm as today.
Yes, Virginia, There Was a Big Bang Scientists using a radio telescope atop the 10,000 - foot - high Antarctic ice sheet have detected a 14 - billion - year - old pattern from the Big Bang.
Scientists have documented this transition before: In 2002, a Rhode Island sized chunk of ice calved from a different ice shelf, Larsen B, along the Antarctic Peninsula (SN: 10/18/14, p. 9).
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.
Fast - melting Arctic sea ice has forced some 35,000 Pacific walruses to retreat to the Alaska shoreline, scientists from several federal agencies said on Wednesday.
Not long ago, it was thought impossible for ice to remain intact for millions of years: Scientists assumed it would eventually sublimate, transforming in the frigid, dry air directly from ice to vapor.
But scientists increasingly attribute much of the observed grounding line retreat — particularly in West Antarctica — to the influence of warmer ocean water seeping beneath the ice shelves and lapping against the bases of glaciers, melting the ice from the bottom up.
Some scientists speculate that the sun may be entering a prolonged inactive phase, similar to the one that lasted from 1645 to 1715 and coincided with the «little ice age» in Europe — although there is no evidence that the sun will rescue us from global warming.
Scientists theorize the bright objects are pieces of dry ice that have broken away from points higher on the slope.
Scientists using evidence from bison fossils have determined when an ice - free corridor opened up along the Rocky Mountains during the late Pleistocene.
A team of scientists melted five samples of ice from Antarctica in hopes of reviving the oldest known frozen bacteria — millions of years older than any previously brought to life.
a b c d e f g h i j k l m n o p q r s t u v w x y z