(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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