Sentences with phrase «of ice movement»

Not exact matches

These other interpretations employ other types of evidence: oral history, the evolution of plants and animals, archaeology, stones, tools and weapons, material artefacts of all kinds, song, poetry, even dance and body movement, Antarctic ice, radio - activity, all these open windows into the past.
Researchers were tracking the movement of the walrus and their behaviors in order to understand how the loss of sea ice affects their foraging patterns.
How whales use sound Sound occurs naturally in the ocean, of course — from waves, wind, precipitation, ice movement and fish, among other sources.
Here the Gulf Stream and the Labrador current meet; here the movement of the ice is influenced sometimes by the one and sometimes by the other of these currents; and here in latitude 41 degrees 46 minutes and longitude 50 degrees
When he hit his head on the ice, the sudden movement of his brain inside his skull could have crushed or even cut them against the bone, preventing signals from his nose from reaching his brain.
Studying surging glaciers could also offer insights into grander - scale ice flows with global consequences: the movements of the ice sheets in Antarctica and Greenland, which can change abruptly, altering the ice discharges that affect sea level.
MISSOULA, Mont. — Starving polar bears, icon of the climate change movement, may be able to adapt to an ice - free summer season in the Arctic after all.
The ebb and flow of lakes such as Whillans are thought to influence the movement of the overlying ice sheet.
The WISSARD team will study processes at the interface of ice and water that affect the movement.
Reichert says that such ultrathin layers of water are a common phenomenon, and understanding the behavior of HDL and LDL water may lead to insights into water's behavior in diverse situations, from ice skating to ion movement across biological cell walls.
To measure polar bears» energy expenditure during the summer months, Whiteman and his colleagues used satellite collars to track the movement of individual bears, both on shore and on ice.
Rest: Unpainful movement of the area is important, but avoid putting weight on the injury for a prolonged time, perhaps by using crutches, until it is less painful to use Ice: Apply ice, not heat, to the affected area for 10 to 20 minutes every hour or two throughout the first 24 to 72 hours or until the swelling subsides Compression: Wear an elastic compression wrap for the first 24 to 36 hours to help minimize any swelling Elevation: Rest the injury above heart level for two to three hours per day to reduce the amount of swelling that collects in the body's extremities Stabilization: Especially if medical care is not readily available, like in the wilderness, stabilize the injured area until care becomes availaIce: Apply ice, not heat, to the affected area for 10 to 20 minutes every hour or two throughout the first 24 to 72 hours or until the swelling subsides Compression: Wear an elastic compression wrap for the first 24 to 36 hours to help minimize any swelling Elevation: Rest the injury above heart level for two to three hours per day to reduce the amount of swelling that collects in the body's extremities Stabilization: Especially if medical care is not readily available, like in the wilderness, stabilize the injured area until care becomes availaice, not heat, to the affected area for 10 to 20 minutes every hour or two throughout the first 24 to 72 hours or until the swelling subsides Compression: Wear an elastic compression wrap for the first 24 to 36 hours to help minimize any swelling Elevation: Rest the injury above heart level for two to three hours per day to reduce the amount of swelling that collects in the body's extremities Stabilization: Especially if medical care is not readily available, like in the wilderness, stabilize the injured area until care becomes available
They will also use GPS to monitor movements of the ice shelf.
Their findings, published June 6 in Proceedings of the National Academy of Sciences, indicate that the corridor could not account for the initial dispersal of humans south of the ice sheets, but could have been used for later movements of people and animals, both northward and southward.
«It was the biggest collapse of its kind up to that point, and it served to demonstrate how ice shelves regulate the movement of ice from the interior of the ice sheet to the ocean.»
«Ice age bison fossils shed light on early human migrations in North America: Study dates the first movements of bison through an ice - free corridor that opened between the ice sheets after the last glacial maximum.&raqIce age bison fossils shed light on early human migrations in North America: Study dates the first movements of bison through an ice - free corridor that opened between the ice sheets after the last glacial maximum.&raqice - free corridor that opened between the ice sheets after the last glacial maximum.&raqice sheets after the last glacial maximum.»
Tulaczyk and Joughin should start to see within two years how water controls movement of the ice.
The goal is to understand how the flow of water controls ice movement.
A glaciologist rather than a biologist, he wanted to investigate a question critical to climate change: Do subglacial rivers and lakes lubricate the movement of ice over land — and might they somehow accelerate a glacier's flow into the ocean, triggering rapid sea level rise?
Guiding their movement is an array of unseen forces, including mountains, valleys, and lakes — and maybe even smoldering volcanoes — hidden beneath the ice.
Every 10 seconds for the next two years, this unit will triangulate radio signals with GPS satellites overhead to measure movement of the ice to the nearest half inch.
In 2008 a satellite study based on rates of snowfall and ice movement estimated a loss of 210 cubic kilometers of ice per year — a 59 percent increase in the past decade.
Tulaczyk's team installed instruments on the ice surface above Lake Whillans to monitor movement of the ice sheet.
The GPS stations have tracked the movement of the Whillans Ice Stream and confirmed a curious fact: The Whillans sits still most of the time.
Prof. Kathleen Cullen and her PhD student Jess Brooks of the Dept of Physiology have been able to identify a distinct and surprisingly small cluster of cells deep within the brain that react within milliseconds to readjust our movements when something unexpected happens, whether it is slipping on ice or hitting a rock when skiing.
There are researchers who create robots that move like snakes; some study human movements and functions by making a humanoid robot, and from there they train the robot to play table ice - hockey, dance, and even juggle; some work together to design an electronic wheel chair that can be controlled by the tongue; some are interested in creating a database of human facial expression that can be used in creating animation and facial pattern recognition research.
Zehner says that the agency plans to build and launch at least five «sentinel» satellites to monitor not only trace gases that indicate pollution in the atmosphere, but also the surface temperature of the oceans, the movement of ice and the shifting of land masses.
He says previous predictive models of Greenland's ice loss did not adequately take into account the faster movement of its southern glaciers, which is accelerating the amount of ice entering the ocean: «Greenland is probably going to contribute more to sea level rise, and faster than predicted by these models.»
Scientists closely monitor the size and movement of ice shelves because when they break up, they indirectly contribute to sea level rise through their impact on land ice.
This process of transforming the fluffy snow into hard ice is physical and both the thickness and the movement of the water molecules are dependent on the temperature.
The researchers reached that conclusion by capturing more than two dozen polar bears, implanting temperature loggers and tracking their subsequent movements on shore and on ice in the Arctic Ocean's Beaufort Sea, north of Alaska and Canada, during 2008 - 2010.
To complicate matters further, horizontal movements of the ice above the bedrock can disturb the bottommost ice, causing its annual layers to mix up.
The movement of these large masses of ice also leaves distinct marks on the walls of valleys and in the form of deposits of glacial sediment.
But despite earlier pollen analysis that pegged the movement of some tree species (that is, average advancement via seed dispersal) at about a kilometer per year after the last ice age, genetic studies have reduced that estimate to a pace closer to a tenth of a kilometer per year, Loarie says.
Other scientists show how robotic drones, called Seagliders, swoop under the ice to track the movement of the pack and how it changes as ocean conditions change.
The IPCC also predicts greater sea - level rise than it did in 2007, as it now includes models of ice - sheet movements.
The IPCC is predicting greater sea level rise than it did in 2007, as it now includes models of ice sheet movements.
That could produce enough pressure to push slush up through weak points in the brittle surface ice, driving the movement of the plates.
We were particularly interested in the nature of this relationship because of the hypothesized seasonal movement of krill to inshore waters around the Antarctic Peninsula in winter, rapid changes in the climate and sea ice patterns of the Antarctic peninsula [15], [16] and the known relationships between baleen whales and krill.
While the water under the Antarctic ice is not itself related to global warming, the suprisingly large amount of water, the surprising speed with which it moves, and its effect of «lubricating» the movement of the Antarctic ice, may affect how the ice sheets respond to warming.
What is alarming is that the volume of water and the extent and rapidity of its movement is suprisingly much greater than previously believed, and that a possible, perhaps likely, effect of this on ice sheet dynamics is to make the ice sheets less stable and more likely to respond more quickly to global warming than previously expected.
Scientists are exploring undersea volcanoes, monitoring coastal erosion along hard - to - reach shorelines, and studying the movement of sea ice — all in real time.
Much more interesting are the three distinct types of mineral flow across the landscape, produced by the movement of ice - rich material, landslides or blankets of ejected particles following impact into ice - rich material.
Greenhouse gas levels may also have been affected by other factors which have been proposed as causes of ice ages, such as the movement of continents and vulcanism.
Ice movement is dominated by the motion of glaciers, whose activity is determined by a number of processes.
Glacier - ice shelf interactions: In a stable glacier - ice shelf system, the glacier's downhill movement is offset by the buoyant force of the water on the front of the shelf.
When ice shelves go, it's like removing a cork, which will speed up movement of ice sheets toward the sea.
Controls on the movement and composition of firn air at the West Antarctic Ice Sheet Divide.
Bowhead whales live in the Arctic all year round, and their movements are influenced by the freezing and melting of sea ice.
However, both newcomers and veterans of the vegan movement often eat frozen pizzas, burritos, mac n» cheese, and ice cream.
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