Risks
include the loss of sea ice cover upon which several marine mammals depend for food and protection.
Note, that the ocean heat content
includes loss of sea ice area, but not loss of sea ice thickness.
«The region is profoundly affected by climate change —
including loss of sea ice, acidification of the ocean, and increased access for industries that pose significant risks to the ocean environment.»
Not exact matches
Some species win, others don't Meanwhile, the
loss of sea ice is making life harder for some marine animals,
including polar bears and walruses, that rely on
sea ice to hunt, breed and rear their young.
«While more research should be done, we should be aware that an increasing number
of studies,
including this one, suggest that the
loss of Arctic
sea ice cover is not only a problem for remote Arctic communities, but could affect millions
of people worldwide.»
Those changes may
include the
loss of Arctic summer
sea ice, the collapse
of ice sheets in Greenland and western Antarctica, dieback
of the Amazon rainforest and changes in the jet stream and the pattern
of El Niño and La Niña weather cycles.
«However the problem is not only local — a number
of studies have indicated that Arctic
sea ice loss can affect weather patterns across the northern midlatitudes,
including Europe, most
of North America, and much
of Asia,» Cvijanovic added.
Many scientists concede that without drastic emissions reductions by 2020, we are on the path toward a 4C rise as early as mid-century, with catastrophic consequences,
including the
loss of the world's coral reefs; the disappearance
of major mountain glaciers; the total
loss of the Arctic summer
sea -
ice, most
of the Greenland
ice - sheet and the break - up
of West Antarctica; acidification and overheating
of the oceans; the collapse
of the Amazon rainforest; and the
loss of Arctic permafrost; to name just a few.
People need to know what will be the immediate, the short and medium term «Impacts» in people's lives as a result
of that Arctic
Sea Ice Loss —
including the specific types
of likely «Impacts» in the region in which those people actually live and work.
And the
loss of the
sea ice will mean the
loss of an entire ecosystem, with repercussions that could
include a major food chain, because
of organisms that live on the underside
of the
sea ice.
The contribution from glaciers and
ice caps (not
including Greenland and Antarctica), on the other hand, is computed from a simple empirical formula linking global mean temperature to mass
loss (equivalent to a rate
of sea level rise), based on observed data from 1963 to 2003.
Alarmed at the pace
of change to our Earth caused by human - induced climate change,
including accelerating melting and
loss of ice from Greenland, the Himalayas and Antarctica, acidification
of the world's oceans due to rising CO2 concentrations, increasingly intense tropical cyclones, more damaging and intense drought and floods,
including glacial lakes outburst loods, in many regions and higher levels
of sea - level rise than estimated just a few years ago, risks changing the face
of the planet and threatening coastal cities, low lying areas, mountainous regions and vulnerable countries the world over,
The fate
of sea ice in the Arctic Ocean is determined by a complicated mix
of factors,
including the pressure changes, with the biggest
loss of old thick
ice resulting more from a great «flush»
of floes than melting, Dr. Rigor and many other scientists tracking the region say.
This estimate
includes 2nd - and 3rd - year
sea ice and covers only the central Arctic Basin, so the
loss of older thicker
sea ice is even greater (see also Comiso, 2011, J. Climate, Vol.
The vulnerable nations declared that they are, «Alarmed at the pace
of change to our Earth caused by human - induced climate change,
including accelerating melting and
loss of ice from Greenland, the Himalayas and Antarctica, acidification
of the world's oceans due to rising CO2 concentrations, increasingly intense tropical cyclones, more damaging and intense drought and floods,
including Glacial Lakes Outburst Floods, in many regions and higher levels
of sea - level rise than estimated just a few years ago, risks changing the face
of the planet and threatening coastal cities, low lying areas, mountainous regions and vulnerable countries the world over...»
States that several interlinked processes have been suggested as contributing to the warming,
including stratospheric ozone depletion, local
sea -
ice loss, an increase in westerly winds, and changes in the strength and location
of low — high - latitude atmospheric teleconnections
A team
of scientists led by the U.S. Geological Survey found that polar bears, increasingly forced on shore due to
sea ice loss, may be eating terrestrial foods
including berries, birds and eggs, but any nutritional gains are limited to a few individuals and likely can not compensate for lost opportunities to consume their traditional, lipid - rich prey —
ice seals.
The Arctic is warming twice as fast as the rest
of the planet, for reasons that may
include its layered atmosphere, which traps heat, and the
loss of sea ice and snow cover, which when present help reflect the sun's energy.
Viable avenues for improving the information base
include determining the primary causes
of variation among different climate models and determining which climate models exhibit the best ability to reproduce the observed rate
of sea ice loss.
The NSIDC
Sea Ice News and Analysis May 2008 report seems to have forecast more ice loss than has actually occurred, including forecasts of a possible «ice - free North Pole.&raq
Ice News and Analysis May 2008 report seems to have forecast more
ice loss than has actually occurred, including forecasts of a possible «ice - free North Pole.&raq
ice loss than has actually occurred,
including forecasts
of a possible «
ice - free North Pole.&raq
ice - free North Pole.»
We also increasingly recognized that
loss of Arctic
sea ice affects Northern Hemisphere weather patterns,
including severe cold outbreaks and storm tracks.
Several interlinked processes have been suggested as contributing to the warming,
including stratospheric ozone depletion, local
sea -
ice loss, an increase in westerly winds, and changes in the strength and location
of low — high - latitude atmospheric teleconnections.
Tipping points occur because
of amplifying feedbacks... Climate - related feedbacks
include loss of Arctic
sea ice, melting
ice sheets and glaciers, and release
of frozen methane as tundra melts.
The new study supplements earlier research published in Geophysical Research Letters demonstrating a link between Arctic
sea ice loss and extreme weather particularly in both the summer and winter,
including prolongation
of «drought, flooding, cold spells, and heat waves.»
A series
of extremely low September
sea ice conditions during the last decade,
including the unprecedented declines in 2007 and 2012, suggests a recent acceleration in the long - term Arctic
sea ice loss (e.g., Stroeve et al., 2012b).
Thirteen years
of GRACE data provide an excellent picture
of the current mass changes
of Greenland and Antarctica, with mass
loss in the GRACE period 2002 - 15 amounting to 265 ± 25 GT / yr for Greenland (
including peripheral
ice caps), and 95 ± 50 GT / year for Antarctica, corresponding to 0.72 mm / year and 0.26 mm / year average global
sea level change.
Identify the impacts
of a changing climate on
sea ice loss;
sea ice loss on patterns
of atmospheric circulation and precipitation; oceanic circulation both within and beyond the Arctic,
including the meridional overturning circulation in the Atlantic Ocean; and weather patterns in middle latitudes.
They determined, however, that this volume had now increased by a further 3 cubic miles each year, prompted by an acceleration in the rate at which the
ice caps and glaciers are melting.Unlike what many other scientists have said —
including, most prominently, NASA's James Hansen (who believes that a rise in 17 inches by 2100 will be mainly precipitated by the melting
of ice sheets)-- the authors
of this study believe that the
loss of ice from glaciers and
ice caps will account for the majority
of the expected rise in
sea levels.
When Schwartz calculated the average ocean warming, he only
included the increase in the senisible heat
of the oceans, but he should also have
included the increase in latent heat from the
loss of sea ice.
When a full - depth ocean model is used, something intriguing happens: the
loss of Arctic
sea ice triggers a far - flung response that mimics climate change itself,
including a slowdown
of the Atlantic Meridional Overturning Circulation (AMOC), a build - up
of heat in the tropical oceans over several decades, and a warming
of the atmosphere a few miles above the tropics.
Loss of high spatial resolution would have a detrimental effect on measurements
of all parameters,
including sea ice, snow cover, and precipitation.
Research there has shown a direct link between the
loss of sea ice and the health
of polar bears,
including a connection between an earlier spring melting
of sea ice and lower survival rates for cubs.
«Many scientists concede that without drastic emissions reductions by 2020, we are on the path toward a 4C rise as early as mid-century, with catastrophic consequences,
including the
loss of the world's coral reefs; the disappearance
of major mountain glaciers; the total
loss of the Arctic summer
sea -
ice, most
of the Greenland
ice - sheet and the break - up
of West Antarctica; acidification and overheating
of the oceans; the collapse
of the Amazon rainforest; and the
loss of Arctic permafrost; to name just a few.
Thus, it was unhelpful, in my opinion, for David Adam to write an about «wind - blown
sea ice» in the Arctic recently without
including the wider knowledge about what is happening to the volume
of sea ice, and multi-year
ice loss.