I realize that Artic
sea ice reached an all time low this year (since 1979).
Multiyear
sea ice reached a minimum between ~ 8500 and 6000 years ago, when the limit of year - round sea ice at the coast of Greenland was located ~ 1000 kilometers to the north of its present position.
The extent of
the sea ice reached a record high for the second year in a row, of 7.56 million square miles on October 1 − 0.7 % higher than the previous record high of 7.51 million sq miles in 2012 and 8.6 % higher than the record low maximum of 6.96 million sq miles in 1986.
Arctic
sea ice reached its maximum annual extent on March 21, and the amount measured was the fifth - lowest level ever recorded.
At the other end of the globe, the extent of Antarctic
sea ice reached record - high levels in September.
«One thing these layers of sediment enable us to do is to «read» when
the sea ice reached that precise point,» Jochen Knies tells us.
As the Antarctic
sea ice reached record levels, scientists floated several hypotheses, including possible changes in the ozone hole over Antarctica, or increased amounts of fresh water — which freezes more easily — on the surface of the ocean around Antarctica.
Declining Arctic
sea ice reached a milestone in the summer of 1998 when the ice pulled back completely from the Arctic coasts of Alaska and Canada, opening up the Northwest passage through which the diatom may have passed, Reid and colleagues write in their report of the diatom's return published in the journal Global Change Biology in 2007.
Southern polar
sea ice reached its peak at the end of August, and November, December, January and February all saw rapid declines.
For instance, in 2007, when Arctic
sea ice reached its lowest extent since 1979, a rash of speculation followed about when the ice might disappear altogether.
Holdean wrote «The «mini ice age» lasted from the 1300s to about 1850 and that is when the glaciers and
sea ice reached their peaks.
Figure 4: Arctic
sea ice reached its lowest annual extent — the absolute minimum — on September 15, 2007.
«Even though Antarctic
sea ice reached a new record maximum this past September, global sea ice is still decreasing,» said Claire Parkinson, author of the study and climate scientist at NASA's Goddard Space Flight Center in Greenbelt, Md. «That's because the decreases in Arctic sea ice far exceed the increases in Antarctic sea ice.»
The total extent of the Arctic
sea ice reached 5.59 million square miles, which is about 450,000 square miles less than the average and 20,000 square miles more than 2017.
That should be expected when you consider that the «mini ice age» lasted from the 1300s to about 1850 and that is when the glaciers and
sea ice reached their peaks.
Except in its Western Peninsula, Antarctica is gaining ice, and Antarctic
sea ice reached an all - time high in 2007.
On September 19, Arctic
sea ice reached its 2010 minimum, at 4.60 million square kilometers (1.78 million square miles).
For example, this year in March the Arctic
sea ice reached its maximum extent, * but it was the lowest maximum extent ever seen since satellite records began in 1979.
In the Arctic, where
sea ice reached a record low for February, land temperatures averaged 8 degrees above normal (4.5 degrees Celsius), Blunden said.
And meanwhile down south exactly the same thing happened as in the far north, although [due to the reversed situation of a central continent and surrounding seas — instead of a central ocean, surrounded by land masses] with exactly the opposite effect: the Antarctic
sea ice reached its highest ever extent during the Southern Hemisphere winter.
That's one reason that, even with today's announcement that
the sea ice reached a new low extent for the satellite era, I wouldn't bet that «the Arctic is all but certain to be virtually ice free within two decades,» as some have proposed.
He has been insisting that the world has been cooling since 2007, his «proof» being that 2007 was the year the Arctic
sea ice reached its minimum and has been since «recovering.»
On August 31, the Antarctic
sea ice reached its annual maximum extent at 7.12 million square miles.
On September 10, Arctic
sea ice reached its annual minimum extent at 1.60 million square miles, statistically tying 2007 as the second smallest extent in the 1979 — 2016 satellite record, according to the National Snow and Ice Data Center.
Antarctic
sea ice reached its summer minimum at the end of February, clocking in at 2.18 m sq km.
The extent of Arctic
sea ice reached the maximum area of its seasonal cycle on March 7th coming in at 14.42 million km2.
Arctic Sea Ice In September, Arctic
sea ice reached its second - lowest extent ever recorded; 2012 holds first place.
The sea ice reached its maximum winter extent unusually early this year and has been falling fast, to a new record low for this time of year (see graph below).
Arctic
sea ice reaches its peak at the end of the winter; last year that winter peak set a record low.
Each year, the Arctic
sea ice reaches its minimum extent in September.
September 2012: Arctic
sea ice reaches a record new low of 3.4 million square kilometers.
Each year, the Arctic
sea ice reaches its minimum extent in September.
Aerial view of an ice floe from Greenpeace's expedition to document Arctic
sea ice reaching the lowest level on record.
Briefly: Arctic
sea ice reaches a minimum in late September every year.
Scientists express concern as Arctic
Sea ice reaches its lowest winter maximum ever recorded.
With Arctic
sea ice reaching its lowest level in the satellite record after an astonishingly rapid summer melt, the question of whether disappearing sea ice might lead to more extreme winters in Europe and North America needs more scrutiny.
This week probably saw the Arctic Ocean's
sea ice reach its minimum extent for the year and begin to expand again, as it usually does in mid-September.
Not exact matches
In March 2017,
sea ice around the North and South Poles
reached record lows for that time of year.
Once caught, the fish are bled and put into a mixture of
ice cold
sea water and
ice, called slush
ice, where they are stored until we
reach the dock.
«If an icebreaker is not available to clear a channel in the
sea ice, fuel and cargo resupply ships may not be able to
reach McMurdo Station,» reads the email from Raytheon Polar Services.
Also, because of Quelccaya's high elevation (about 3.5 miles above
sea level), only significant air pollution can
reach the
ice cap.
Balco never
reached Larsen B because of the ship's problems with
sea ice, but Eugene Domack, the marine geologist who led the 2010 expedition, has already estimated the age of the Larsen B
ice shelf.
«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.»
Map of current land and
ice separating the Weddell and Ross
seas, courtesy of Wikimedia Commons / Wutsje / CIA Octopuses have made themselves at home in most of the world's oceans — from the warmest of tropical
seas to the deep, dark
reaches around hydrothermal vents.
«We were also able to verify that
sea ice cover does indeed impede ocean swell from
reaching the coastline by showing which regions of
sea ice impact the intensity of microseisms.
That is because the enormous glacier, which constitutes 10 percent of the West Antarctic
Ice Sheet, is thinning rapidly, allowing more and more of its land - based ice to reach the s
Ice Sheet, is thinning rapidly, allowing more and more of its land - based
ice to reach the s
ice to
reach the
sea.
Scientists who have been monitoring the 175 - kilometre rift in the Larsen C
ice shelf say that it could
reach the ocean within weeks or months, releasing an iceberg twice the size of Luxembourg into the Weddell
Sea.
«It is conceivable that part of that litter then drifts even farther to the north and northwest, and
reaches the Fram Strait,» states the AWI biologist, adding, «Another cause for litter in the Arctic could be the retreat of the Arctic
sea ice.
This year's maximum extent of Arctic
sea ice,
reached March 7 (shown), is the smallest peak extent ever seen.
Total
sea ice cover on the Arctic Ocean peaked on March 7, satellite observations show,
reaching a total area of 14.42 million square kilometers.