I view the question of whether the minimum
sea ice extent sets a new record this year as secondary.
Not exact matches
As the Arctic
sea -
ice reaches its summer minimum
extent, it is clear that it has yet again shrunk to one of the smallest areas in recent decades, 10 % above the record minimum
set last year.
A: The National Snow and
Ice Data Center (NSIDC) announced this week that the sea ice surrounding Antarctica reached its maximum extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square kilometers, which also set a record for the highest extent of sea ice around the continent since satellite measurements began in the late 197
Ice Data Center (NSIDC) announced this week that the
sea ice surrounding Antarctica reached its maximum extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square kilometers, which also set a record for the highest extent of sea ice around the continent since satellite measurements began in the late 197
ice surrounding Antarctica reached its maximum
extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square kilometers, which also
set a record for the highest
extent of
sea ice around the continent since satellite measurements began in the late 197
ice around the continent since satellite measurements began in the late 1970s.
This was the largest January Antarctic
sea ice extent on record, surpassing the previous record
set in 2008 by 220,000 square miles.
Historically, a new low
sea ice extent (area) is
set every five years, with small recoveries in - between.
Current
ice extent is well below levels at the same point in 2012, which went on to
set the current record for the lowest
sea ice minimum
extent:
«The far north has indeed been behaving bizarrely in Nov / Dec 2016,
setting many new records for temperature,
sea ice extent, atmospheric water vapour content, and Arctic amplification (the difference in temperature between the Arctic and northern mid-latitudes)»
The high anomalies up in the Arctic continue for a third month in GISTEMP and the question of the maximum Arctic
Sea Ice Extent is surely now only by how much this freeze season will be below the record low
set in 2017.
I got that in spades on the
sea ice thread when I argued that 2008 was not on a surefire course to surpass 2007's record, and rather was likely
set for an earlier and stronger recovery — yet I was correct (and incidentally
ice extent is now ~ 1.5 million km2 more than a year ago.)
Other data
sets such as ocean heat content,
sea ice extent, whatever, are not sufficiently mature or long - range (see Climate data records: maturity matrix).
Historically, a new low
sea ice extent (area) is
set every five years, with small recoveries in - between.
Using comprehensive data
sets of observations made between 1979 and 2001 of
sea ice thickness, draft,
extent, and speeds, we find that it is possible to tune model parameters to give satisfactory agreement with observed data, thereby highlighting the skill of modern
sea ice models, though the parameter values chosen differ according to the model forcing used.
-- Antarctic
sea ice extent reached record high for second year in a row; South Pole station
set record high temperature: The Antarctic maximum
sea ice extent reached a record high of 7.56 million square miles on October 1.
And variations in the thickness and
extent of
sea ice cloaking the Arctic Ocean are driven by yet another
set of complicating factors, ranging from long - term shifts in atmospheric pressure patterns to events as close - focus as the potent Arctic superstorm I reported on earlier this month.
The National Snow and
Ice Data Center predicts this year's minimum summer sea ice extent won't break the record set in 20
Ice Data Center predicts this year's minimum summer
sea ice extent won't break the record set in 20
ice extent won't break the record
set in 2012.
The US National Snow and
Ice Data Center, which monitors Arctic ice, said last week: «It is unlikely that Arctic sea ice extent this September will fall below the record minimum set in 2012.&raq
Ice Data Center, which monitors Arctic
ice, said last week: «It is unlikely that Arctic sea ice extent this September will fall below the record minimum set in 2012.&raq
ice, said last week: «It is unlikely that Arctic
sea ice extent this September will fall below the record minimum set in 2012.&raq
ice extent this September will fall below the record minimum
set in 2012.»
The Arctic wasn't just relatively hot last year — beating the previous record
set in 2010 by 0.17 degrees Celsius (0.3 degrees Fahrenheit)-- it also experienced the lowest
sea ice volume yet recorded, and the second - lowest
extent.
Arctic
sea ice shrank to its lowest level in 38 years last month, setting a record low for the month of May and setting up conditions for what could become the smallest Arctic ice extent in history, according to National Snow and Ice Data Center data released Tuesd
ice shrank to its lowest level in 38 years last month,
setting a record low for the month of May and
setting up conditions for what could become the smallest Arctic
ice extent in history, according to National Snow and Ice Data Center data released Tuesd
ice extent in history, according to National Snow and
Ice Data Center data released Tuesd
Ice Data Center data released Tuesday.
Sea ice extent also continued its rapid decline with the Japanese Space Agency showing 4,800,000 square kilometers of sea ice extent, about equal to the third lowest measurement set in 20
Sea ice extent also continued its rapid decline with the Japanese Space Agency showing 4,800,000 square kilometers of
sea ice extent, about equal to the third lowest measurement set in 20
sea ice extent, about equal to the third lowest measurement
set in 2008.
Sea ice extent fell to 4.10 million square kilometers (1.58 million square miles) on August 26, breaking the lowest
extent on record
set on September 18, 2007, of 4.17 million square kilometers (1.61 million square miles).
Arctic
sea ice is already beginning to melt and recede,
setting the stage for a very low
sea -
ice minimum
extent that the center will declare in September, he added.
Walsh, J.E. 1978 A data
set on Northern Hemisphere
sea ice extent World Data Center - A for Glaciology (Snow and Ice), «Glaciological Data, Report GD - 2», part 1, pp. 49 - 51 http://arctic.atmos.uiuc.edu/SEAICE/, accessed 12/25/20
ice extent World Data Center - A for Glaciology (Snow and
Ice), «Glaciological Data, Report GD - 2», part 1, pp. 49 - 51 http://arctic.atmos.uiuc.edu/SEAICE/, accessed 12/25/20
Ice), «Glaciological Data, Report GD - 2», part 1, pp. 49 - 51 http://arctic.atmos.uiuc.edu/SEAICE/, accessed 12/25/2009.
Global mean temperatures in 2011 did not reach the record -
setting levels of 2010, but were still the highest observed in a La Niña year, and Arctic
sea -
ice extent fell to near - record - low levels.
Antarctic
ice extent setting new records last year, and close to breaking them this year again Extreme weather as measured by ACE on a decline for decades Drought as measured by Palmer Drought Index flat for decades
Sea level increases not accelerating and possibly starting to decelerate Signature tropospheric hot spot completely missing Scientists by the bushel coming up with some of the most absurd excuses as to why....
In the summer of 2012, Arctic
sea ice has broken the previous record for minimum
extent (
set in 2007), fallen below 4 million square kilometers, and, as of September 17, dropped below 3.5 million square kilometers in
extent.
Arctic
sea ice extent (SIE) has decreased over recent decades, with record -
setting minimum events in 2007 and again in 2012.
While Greenland was
setting records linked to melting, another was being
set around the chilly mass of Antarctica, which saw a new highest daily
sea ice extent.
But Julienne Stroeve with the National Snow and
Ice Data Center says the extent of sea ice in the far north this month wasn't quite small enough to break the record set in 20
Ice Data Center says the
extent of
sea ice in the far north this month wasn't quite small enough to break the record set in 20
ice in the far north this month wasn't quite small enough to break the record
set in 2012.
In fact, 2015 and early 2016
set records for the most
sea ice extent observed.
In September 2007
sea ice extent reached its lowest level since the satellite record began in 1979; the monthly
extent, 4.28 × 106 square kilometers, surpassed the previous
sea ice minimum record (
set in 2005) by 1.28 × 106 square kilometers [Stroeve et al., 2008].
«It is found that the heat transport into the western Barents
Sea sets the boundary of the ice - free Atlantic domain and, hence, the sea ice extent.&raq
Sea sets the boundary of the
ice - free Atlantic domain and, hence, the
sea ice extent.&raq
sea ice extent.»
2012's
sea ice area and
extent were already trending low this year, but damage done to the thin and low concentration of
ice by this storm almost ensures that 2012 will eclipse 2007 in all categories as the lowest
sea ice on record by the time the September low is
set.
He says this winter may not
set a new record low
sea -
ice extent for a third consecutive year.
The
extent of Bering
Sea ice cover this year has so far exceeded that of the previous two years, he added, because the extraordinary and record - setting low sea - ice formation of the past two winters mainly were due to a couple of short - term factors: a strong El Nino and an unusually persistent warm - water mass in the north Pacific commonly called «The Blob.&raq
Sea ice cover this year has so far exceeded that of the previous two years, he added, because the extraordinary and record -
setting low
sea - ice formation of the past two winters mainly were due to a couple of short - term factors: a strong El Nino and an unusually persistent warm - water mass in the north Pacific commonly called «The Blob.&raq
sea -
ice formation of the past two winters mainly were due to a couple of short - term factors: a strong El Nino and an unusually persistent warm - water mass in the north Pacific commonly called «The Blob.»
As I have pointed out previously on spiked, when one out of six new studies showed that a new record had been
set for Arctic
sea ice extent, the Guardian's Damian Carrington declared: «Ice is the white flag being waved by our planet, under fire from the atmospheric attack being mounted by humanity.&raq
ice extent, the Guardian's Damian Carrington declared: «
Ice is the white flag being waved by our planet, under fire from the atmospheric attack being mounted by humanity.&raq
Ice is the white flag being waved by our planet, under fire from the atmospheric attack being mounted by humanity.»
Sea ice in the Arctic and the Antarctic
set record low
extents every day in December, continuing the pattern that began in November.
The March 24, 2016 maximum
sea -
ice extent was estimated at 5.6 million square miles (14.52 million square kilometers), which
set a new record for the lowest maximum
extent since satellite monitoring began in 1981.
Antarctic
sea ice has had a positive anomaly continually since that 2012 post and has
set all time
extent records.
Arctic
sea ice is now 28 % beneath its historic average
extent,
setting a record low for October.
The National Snow and
Ice Data Center (NSIDC) and NASA announced in mid-September that the extent of Arctic sea ice had dropped to 3.41 million square kilometers (1.32 million square miles)-- well below the previous record of 4.17 million square kilometers (1.61 million square miles) set in 20
Ice Data Center (NSIDC) and NASA announced in mid-September that the
extent of Arctic
sea ice had dropped to 3.41 million square kilometers (1.32 million square miles)-- well below the previous record of 4.17 million square kilometers (1.61 million square miles) set in 20
ice had dropped to 3.41 million square kilometers (1.32 million square miles)-- well below the previous record of 4.17 million square kilometers (1.61 million square miles)
set in 2007.
For the July report we have applied the same analysis for two different
sea ice extent data sets: 1) Bremen University (IUP) and 2) National Snow & Ice Data Center (NSID
ice extent data
sets: 1) Bremen University (IUP) and 2) National Snow &
Ice Data Center (NSID
Ice Data Center (NSIDC).
The SMHI group finds a 28 % chance of
setting a new record minimum
sea ice extent and Zhang states that there is a 2 in 9 (22 %) chance of
setting a new record.
Based on this approach, the AWI group says that there is either a 5 % or 36 % chance (depending on which method is employed) that the September 2009
sea ice will be below the 2007
extent and thus
set a new record.
Every year various groups
set out to predict summer Arctic
sea ice extent.
But to the south, the story is different: record -
setting sea -
ice extent.
The average
sea ice extent for the month of September was 4.28 million square kilometers (1.65 million square miles), the lowest September on record, shattering the previous record for the month,
set in 2005, by 23 percent (see Figure 1).
Other data
sets such as ocean heat content,
sea ice extent, whatever, are not sufficiently mature or long - range... Further, the surface temperature is most relevant to climate change impacts, since humans and land ecosystems live on the surface.»
Just after the June Outlook was completed (based on May data), arctic
sea ice extent briefly
set record daily rates of loss.
On September 9, the
sea ice extent was very close to the record low set in 2007, according to the National Snow and Ice Data Center (NSID
ice extent was very close to the record low
set in 2007, according to the National Snow and
Ice Data Center (NSID
Ice Data Center (NSIDC).
Scientists at the University of Bremen, who use a slightly different method to calculate
sea ice extent from AMSR - E measurements, declared that 2011 surpassed 2007,
setting a new record low.