Sentences with phrase «ice cover allows»

(4) The rapid decrease of summer sea - ice cover allows increasing numbers of killer whales to use the Canadian High Arctic as a hunting ground.
Also less ice cover allows the vastly warmer sea water to warm the much colder arctic air.
«The combination of sunlight and rich nutrients in the Antarctic waters previously blocked by the ice cover allows phytoplankton to thrive.»

Not exact matches

I lined a large wicker basket with the cookies, going heavy on the sprinkled variety as I knew they would be popular with the young ones, and set out ice cream scoops, ice cream, and the candy - covered pie plates, which were just large enough to allow for rolling the edges of the cookie into a sweet coating that added some nice crunchiness to the sandwich.
Cover all of your eggs with icing and allow them to dry uncovered for at least 6 - 8 hours.
Cover with plastic wrap and allow the plastic to touch the ice cream — this will help prevent ice crystals from forming.
Stir in the coconut cream, cover and allow the ice to absorb its fragrance.
Some researchers say that the ice sheet must have melted during the Pliocene, allowing trees to cover the mountains and diatoms to thrive in the seas.
The scientists theorize that a warming Arctic environment has reduced sea ice cover, allowing for more wave action that stirs up sediments and mobilizes more radium.
Mount Belinda has begun erupting beneath its thick cover of polar ice, allowing scientists their first chance to examine an Antarctic lava flow in action.
There is evidence that Earth has gone through at least one globally frozen, «snowball» state in the last billion years, which it is thought to have exited after several million years because global ice - cover shut off the carbonate - silicate cycle, thereby allowing greenhouse gases to build up to sufficient concentration to melt the ice.
This empirical climate sensitivity corresponds to the Charney (1979) definition of climate sensitivity, in which «fast feedback» processes are allowed to operate, but long - lived atmospheric gases, ice sheet area, land area and vegetation cover are fixed forcings.
«Conversely, above normal ice cover was associated with La Nina conditions which are accompanied by the Aleutian low moving westward of normal allowing higher pressure and colder conditions to move over the Bering Sea.
Satellites provide a near - continuous record of Arctic sea ice cover, allowing scientists to monitor changes from one day to the next.
Our current ice age climate started 3 + million years ago when the ismus between Central & South America closed, changing ocean currents and allowing the poles to become ice covered.
As CO2 climbs, temps get coupled and climb higher faster, thus melting the Artic ice cover, thus allowing more and more snowfall in the NH, thus creating glaciers, thus creating a negative feedback, thus starting cooling, thus CO2 starts to drop, thus cooling picks up, thus finally the Artic freezes again, thus starts less snowfall, etc..
The only problem with all the predictions about the level of the World Ocean rising is that, the World Ocean is refusing to rise up in support of the predictions, the other problem is that ice is frozen fresh water and frozen fresh water only covers about 5 % of this planet above sea level and frozen water under the level of the World Ocean does not count as the World Ocean will fall a small amount if that ice melts, so if the ice there is enough to get the World Ocean to rise and significant amount then it must be piled up very high, I cubic kilometer of water as ice, should it melt, would make 1000 square kilometers rise by one meter, so when you use this simple math then somewhere on the planet, above the level of the sea, then there must be over 500,000 cubic kilometers of ice, piled up and just waiting to melt, strange that no one can find that amount of ice, all these morons who talk about the rise of the World Ocean in tens of meters, this includes you Peter Garrett or Mr. 7 Meters, the ice does not exist to allow this amount of rise in the World Ocean, it is just not there.
Ever since satellites allowed a detailed view of the Arctic and its ice, a pronounced decrease in summer sea ice cover has been observed (with this year setting a new record low).
Cambridge ocean physicist Peter Wadhams said receding sea ice cover in the Arctic has allowed summer temperatures in the East Siberian Sea to rise several degrees above freezing.
That means, the perennial sea ice cover must have been interrupted by phases with some restricted open - water conditions during summer that allowed foraminifers to reproduce56.
These new sea ice proxy records are needed (1) to fully prove the scenarios of a succession from an extended ice shelf to polynya / open - water conditions (cf., Fig. 6), (2) to reconstruct in more detail the changes in sea ice cover for early, middle and late LIG intervals characterized by very different external forcings and related internal feedback mechanisms, and (3) to allow a more fundamental proxy data / modeling comparison that results in model improvements and better reproduction of the LIG climatic evolution and prediction of future climatic scenarios20, 21,22,23, 64.
Because the cloud effect is self limiting, it's instantly reversible as ice cover stops fauna and flora from producing aerosols in the cooling World, so allows the IA.
The Polar Research Group at the University of Illinois have, since 2004, run a website called The Cryosphere Today, which allows users to compare the ice cover of the Arctic on any two dates.
A 1C warming now would allow for a lot less plant growth then a 1C warming when the world is half covered with ice.
To avoid long response times in extreme climates, today's ice sheets are assigned surface properties of the tundra, thus allowing them to have a high albedo snow cover in cold climates but darker vegetation in warm climates.
«This means an inevitable death for the ice cover, because the summer retreat is now accelerated by the fact that the huge areas of open water already generated allow storms to generate big waves which break up the remaining ice and accelerate its melt,» Wadhams said.
«Other satellites have already shown drops in the area covered by Arctic sea ice as the climate has warmed, but CryoSat allows scientists to estimate the volume of sea ice — a much more accurate indicator of the changes taking place in the Arctic,» added Tommaso Parrinello, CryoSat Mission Manager.
These effects are magnified by snow and ice: by reducing snow and ice cover, warming reduces the reflectivity of the ground and allows more solar energy to be absorbed, further increasing the warming; conversely for cooling.»
Microwave imagery must allow for variations in surface emissivity and can not act as a surrogate for air temperature over either snow - covered (Peterson et al., 2000) or sea - ice areas.
Less sea ice cover and a shorter ice season allows wind and wave action to attack the previously ice - protected coastline, especially during the autumn storm season.
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