Not exact matches
Water freezes to
ice when it is cooled to
below 0 degrees celcius, when
ice is
warmed to above 0 degress celcius it turns back into water.
My Leader also gave me some useful tips: applying
warm compresses before offering my baby the breast and cold compresses, or even
ice, after a feed to help deal with the inflammation, keeping myself well hydrated (see box
below).
Any parts of the bed this low are easily exposed to ocean water, allowing the
ice sheet to weaken from
below as the ocean water
warms.
Sea
ice skylights formed by
warming Arctic temperatures increasingly allow enough sunlight into the waters
below to spur phytoplankton blooms, new research suggests.
However, this year's
ice cover remains far
below the 1981 - 2010 average, indicating an ongoing, long - term decline of
ice because of
warming temperatures, according to scientists.
A thinner isotherm allows faster turnover of
warmer waters from
below, making the
ice melt faster (Journal of Geophysical Research, DOI: 10.1029 / 2009JC005820).
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.
Warm ocean water is washing up and melting the
ice from
below.
«At 1.5 degrees Celsius, half of the time we stay within our current summer sea
ice regime whereas if we reach 2 degrees of
warming, the summer sea
ice area will always be
below what we have experienced in recent decades.»
Their optimistic goal: keep global
warming below 1.5 degrees Celsius to avoid doomsday scenarios of rising seas, widespread droughts and melting
ice.
«Today, the Pine Island and Thwaites glaciers are grounded in a very precarious position, and major retreat may already be happening, caused primarily by
warm waters melting from
below the
ice shelves that jut out from each glacier into the sea,» said Matthew Wise of Cambridge's Scott Polar Research Institute, and the study's first author.
The other possibility they listed is that the glacier's
ice shelf portion was being melted from
below by a
warm ocean, similar to what is happening to
ice shelves today.
3 Earth's Frozen Methane Stash Global
warming seems to be accelerating the release of methane trapped in permafrost and
below Arctic
ice.
The conclusion that limiting CO2
below 450 ppm will prevent
warming beyond two degrees C is based on a conservative definition of climate sensitivity that considers only the so - called fast feedbacks in the climate system, such as changes in clouds, water vapor and melting sea
ice.
Worse still, in places like west Antarctica,
ice sheets rest on land that is
below sea level, and so could be exposed directly to
warm water.
A new study led by the University of Texas Institute for Geophysics has found that wind over the ocean off the coast of East Antarctica causes
warm, deep waters to upwell, circulate under Totten
Ice Shelf, and melt the fringes of the East Antarctic ice sheet from bel
Ice Shelf, and melt the fringes of the East Antarctic
ice sheet from bel
ice sheet from
below.
Totten Glacier, the largest glacier in East Antarctica, is being melted from
below by
warm water that reaches the
ice when winds over the ocean are strong — a cause for concern because the glacier holds more than 11 feet of sea level rise and acts as a plug that helps lock in the ice of the East Antarctic Ice She
ice when winds over the ocean are strong — a cause for concern because the glacier holds more than 11 feet of sea level rise and acts as a plug that helps lock in the
ice of the East Antarctic Ice She
ice of the East Antarctic
Ice She
Ice Sheet.
Solving the Puzzle The simple assumption was that any pockets of
warm, liquid water would drain downward through the
ice and refreeze, but Schmidt had read enough studies to know that would not happen on Europa — the
ice below was so thick it was virtually impermeable.
A March study shows that one large swath of the
ice sheet sits on beds as deep as 8,000 feet
below sea level and is connected to
warming ocean currents.
He proposed that the bottom layers of Europa's
ice shell would be slightly
warmer than the
ice on top, due to heating from both the ocean
below and the crushing pressure of the miles - thick
ice above.
To measure the forecasted inflow of
warm water under the Filchner - Ronne
Ice Shelf, in the past two Antarctic summers scientists from the Alfred Wegener Institute and the British Antarctic Survey drilled through the ice at seven sites to deploy oceanographic recording devices below
Ice Shelf, in the past two Antarctic summers scientists from the Alfred Wegener Institute and the British Antarctic Survey drilled through the
ice at seven sites to deploy oceanographic recording devices below
ice at seven sites to deploy oceanographic recording devices
below it.
Last year, scientists determined that the
ice shelf is being melted from
below by
warm water.
Warmer temperatures make it easier for the whales to hunt because their prey is less likely to climb onto sea
ice or hide
below it to escape.
In addition, the study authors write, the rift is providing a channel for
warm ocean water to creep toward the interior of the West Antarctic
Ice Sheet, gnawing away at the Ferrigno Glacier from
below.
Bacteria, however, have remained Earth's most successful form of life — found miles deep
below as well as within and on surface rock, within and beneath the oceans and polar
ice, floating in the air, and within as well as on Homo sapiens sapiens; and some Arctic thermophiles apparently even have life - cycle hibernation periods of up to a 100 million years while waiting for
warmer conditions underneath increasing layers of sea sediments (Lewis Dartnell, New Scientist, September 20, 2010; and Hubert et al, 2010).
Europa is now thought to have an global ocean of salty water or slush rather than
warm convecting
ice below its icy crust (more).
The research published in Nature Communications found that in the past, when ocean temperatures around Antarctica became more layered - with a
warm layer of water
below a cold surface layer -
ice sheets and glaciers melted much faster than when the cool and
warm layers mixed more easily.
Typically, the snout, margins, sides, and surface
ice are
below the pressure - melting point, while thicker
ice higher up in the accumulation area is
warm - based [3].
The fact that heat is able to escape Pluto's interior to
warm the
ice suggests that the impactor strike may have thinned the crust
below Sputnik Planitia, creating a weak spot through which the heat could rise.
These
ice shelves are being thinned from
below as they are
warmed by Circumpolar Deep Water11, which is being increasingly transported onto the continental shelf12, 13, 14.
The
ice shelf around Pine Island Glacier is currently thinning, and it is
warmed from
below by Circumpolar Deep Water that flows onto the continental shelf22, 23.
Warm waters have been eating away at
ice from
below in this region, and once grounding lines retreat far enough inland, entire glaciers can become unstable and collapse.
Ice shelves in West Antarctica, in particular, face a potentially rapid retreat driven by warm water intruding and eating away at ice from bel
Ice shelves in West Antarctica, in particular, face a potentially rapid retreat driven by
warm water intruding and eating away at
ice from bel
ice from
below.
If the temperature was
below freezing (or if it had been
below freezing) there might have been
ice on the road, even if the air had
warmed up some so that it was raining.
Does anyone know how to model the mechanism by which
warming from
below lubricates the
ice and allows it do dislodge a lot faster than
warming from above would melt it?
Other factors would include: — albedo shifts (both from
ice > water, and from increased biological activity, and from edge melt revealing more land, and from more old dust coming to the surface...); — direct effect of CO2 on
ice (the former weakens the latter); — increasing, and increasingly
warm, rain fall on
ice; — «stuck» weather systems bringing more and more
warm tropical air ever further toward the poles; — melting of sea
ice shelf increasing mobility of glaciers; — sea water getting under parts of the
ice sheets where the base is
below sea level; — melt water lubricating the
ice sheet base; — changes in ocean currents -LRB-?)
You almost assuredly saw at least one story about how the potent storm that triggered deadly tornado outbreaks and flooding across the South and Midwest in recent days carried so much
warm air to the North Pole that temperatures over the sea
ice, normally well
below zero through the dark boreal winter, briefly hitting 33 degrees Fahrenheit today.
I also assume that
warm water both from the Pacific and the Atlantic has gone into the Arctic Sea and done some melting of that
ice from
below.
Below you'll hear from scientists with significant concerns about keystone sections of the paper — on the evidence for «superstorms» in the last
warm interval between
ice ages, the Eemian, and on the pace at which seas could rise and the imminence of any substantial uptick in the rate of coastal inundation.
But since then, while the agency went on to propose listing the species as threatened (a step
below endangered), Dirk Kempthorne, the Secretary of the Interior, has refused to draw a line between human - caused
warming of the global climate and the retreating
ice that Dr. Amstrup and other government biologists say poses the biggest threat to the bears.
That's for pingos underneath the ocean, where slow
warming has thawed the seabed — which can collapse into a «moat» — but the material (brown, red arrows) being forced up from
below is dense mud and rock and clathrate and
ice.
All they tell us is that if there is no further
warming for 40 years, and Arctic temperatures remain largely at or
below today's values for another four whole decades, then we won't lose the Arctic summer
ice.
Dec. 19, 1:44 p.m. Updated
below A very important research effort has been under way during recent summers in the
warming, increasingly
ice - free shallows off Russia's Siberian coast.
We must be able to discuss how those
warm water incursions that lay
below the surface for 15 years can affect sea
ice.
Because heat flows only from
warm water to cold water, the heat flux
below the depth of temperature maximum is downward, away from the
ice.
The term «
ice age» is being used a lot, though the temperatures were just slightly
below freezing and the sleet was only made possible by
warm air in high altitudes.
The abstract
below is quite clear in finding no evident relationship between
ice loss and atmospheric or marine factors related to greenhouse - driven global
warming:
But, he also says: «teams offering projections say
ice extent will remain well
below the average for the last quarter century and a downward trend in summer
ice around the North Pole has not abated,» and we readers are then linked to his October, 2007 article and an August, 2007 image of a «
warmed over» Artic.
Totten Glacier, the largest glacier in East Antarctica, is being melted from
below by
warm water that reaches the
ice when winds over the ocean are strong — a cause for concern because the glacier holds more than 11 feet of sea level rise and acts as a plug that helps lock in the ice of the East Antarctic Ice She
ice when winds over the ocean are strong — a cause for concern because the glacier holds more than 11 feet of sea level rise and acts as a plug that helps lock in the
ice of the East Antarctic Ice She
ice of the East Antarctic
Ice She
Ice Sheet.
Warm / salty water eats the
ice from
below — stronger currents — what the
ice sacrifices from itself to separate with freshwater between the salty water — stronger currents take it away.