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 availa
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 availa
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 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.&raq
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.&raq
ice - free corridor that opened between the
ice sheets after the last glacial maximum.&raq
ice 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.