This year's record low
sea ice maximum extent might not necessarily lead to a new record low summertime minimum extent, since weather has a great impact on the melt season's outcome, Meier said.
The Arctic's
sea ice maximum extent has dropped by an average of 2.8 percent per decade since 1979, the year satellites started measuring sea ice.
Not exact matches
This year's
maximum extent of Arctic
sea ice, reached March 7 (shown), is the smallest peak
extent ever seen.
Together, the meager
maximum extent and thin
ice could spell trouble for this year's minimum
sea ice extent, expected during September.
Arctic
sea ice hit a record low wintertime
maximum extent in 2017.
Antarctic
sea ice saw an early
maximum extent in 2016, followed by a very rapid loss of
ice starting in early September.
This year,
sea ice in the Arctic reached its smallest maximum extent since satellites began tracking polar ice patterns, according to the National Snow and Ice Data Center, while scientists have also forecast ice - free Arctic summers in two to three decades (ClimateWire, July 16, 201
ice in the Arctic reached its smallest
maximum extent since satellites began tracking polar
ice patterns, according to the National Snow and Ice Data Center, while scientists have also forecast ice - free Arctic summers in two to three decades (ClimateWire, July 16, 201
ice patterns, according to the National Snow and
Ice Data Center, while scientists have also forecast ice - free Arctic summers in two to three decades (ClimateWire, July 16, 201
Ice Data Center, while scientists have also forecast
ice - free Arctic summers in two to three decades (ClimateWire, July 16, 201
ice - free Arctic summers in two to three decades (ClimateWire, July 16, 2013).
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).
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.
September marks the end of winter when the
sea ice that surrounds Antarctica swells to its
maximum extent.
At the opposite end of world, September marks the end of winter when the
sea ice that surrounds Antarctica swells to its
maximum extent.
The
extent of Arctic
sea ice reached the
maximum area of its seasonal cycle on March 7th coming in at 14.42 million km2.
Bentley, M.J., and Anderson, J.B., 1998, Glacial and Marine Geological Evidence for the
Extent of Grounded
Ice in the Weddell
Sea - Antarctic Peninsula Region During the Last Glacial
Maximum: Antarctic Science, v. 10, (3), p. 307 - 323Berkman, P.A. and Ku, T. - H.
The minimum Arctic
sea ice has declined by a little over half since its
maximum extent of the past three decades.
The NSIDC announced on Monday that Arctic
sea ice hit its
maximum extent for the winter on March 24, when it averaged 5.607 million square miles.
This was the 10th smallest
maximum sea ice extent on record for the Antarctic and the earliest occurrence of the
maximum extent in the 1979 - 2016 satellite record.
On August 31, the Antarctic
sea ice reached its annual
maximum extent at 7.12 million square miles.
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.
Low
maximum sea ice extent also occurred over periods of some decades (e.g., mid-seventeenth and mid-eighteenth centuries, early fifteenth and late thirteenth centuries), with absolute values in some cases as low as the twentieth century ones, but these periods were in no case as persistent as in the twentieth century. . .
The twentieth century sustained the lowest
maximum sea ice extent values since A.D. 1200.
The presently low
maximum sea ice extent in the Western Nordic Seas is unique over the last 800 years, and results from a sea ice decline started in late - nineteenth century after the Little Ice Age.&raq
ice extent in the Western Nordic
Seas is unique over the last 800 years, and results from a
sea ice decline started in late - nineteenth century after the Little Ice Age.&raq
ice decline started in late - nineteenth century after the Little
Ice Age.&raq
Ice Age.»
We have just passed the annual
maximum in Arctic
sea ice extent which always occurs sometime in March.
It was yesterday last year that saw the 2017 daily
maximum for JAXA
Sea Ice Extent (and today for NSIDC).
Least unexpected observations: (Joint winners) 2006 near - record minima in Arctic
sea ice extent, near - record
maxima in Northern Hemisphere temperatures, resumed increase in ocean heat content, record increases in CO2 emissions
This second hypothesis is compatible with reconstructions from dinocysts that suggest
maximum sea -
ice extent during the early Holocene.»
For 2007, the Arctic
sea ice extent minimum was 25 % below the previous minimum, whereas the
sea ice extent maximum for the Antarctic was roughly 1 % above the previous year.
If you plot the average Arctic
Sea Ice extent for 20 years, the you should also plot the monthly
maximum and minimum values on the same figure so that we can get some perspective on where the 2007 and 2008 data falls in the context of annual variability, or examine for trends.
This is 0.7 percent higher than the previous record high
extent of 7.51 million square miles that occurred in 2012 and 8.6 percent higher than the record low
maximum sea ice extent of 6.96 million square miles that occurred in 1986.
-- 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.
In March 2017, the annual
maximum extent of Arctic
sea ice hit a record low for the third straight year, according to the US National Snow and Ice Data Cent
ice hit a record low for the third straight year, according to the US National Snow and
Ice Data Cent
Ice Data Centre.
Interesting you cut - off total
ice extents at 2012, especially since the total
extent of Arctic
sea ice has actually increased since then, and in fact the Antarctic
ice extents are at a RECORD
MAXIMUM — so things aren't always what they appear to be in a very complex system known as global climate.
Arctic
sea ice appears to have reached a record low wintertime maximum extent for the second year in a row, according to scientists at the NASA - supported National Snow and Ice Data Center (NSIDC) and NA
ice appears to have reached a record low wintertime
maximum extent for the second year in a row, according to scientists at the NASA - supported National Snow and
Ice Data Center (NSIDC) and NA
Ice Data Center (NSIDC) and NASA.
Ice around Iceland (the number of weeks when ice was observed in this case) must correlate very well with the arctic sea ice extent / area, at least with the annual maxim
Ice around Iceland (the number of weeks when
ice was observed in this case) must correlate very well with the arctic sea ice extent / area, at least with the annual maxim
ice was observed in this case) must correlate very well with the arctic
sea ice extent / area, at least with the annual maxim
ice extent / area, at least with the annual
maximum.
Center officials say the
sea ice probably reached its maximum extent on March 7th, when it covered about 5 - and - a-half-million square miles of the Arctic Ocean, including portions of the Bering Sea that lie south of the Arctic Circ
sea ice probably reached its
maximum extent on March 7th, when it covered about 5 - and - a-half-million square miles of the Arctic Ocean, including portions of the Bering
Sea that lie south of the Arctic Circ
Sea that lie south of the Arctic Circle.
An overall warming in the 2 × CO2 experiment causes reduction of
sea -
ice extent by 15 %, with
maximum decrease in summer and autumn, consistent with observed seasonal
sea -
ice changes.
So much so that the center declared this year's Arctic
sea -
ice maximum extent was the lowest in 38 years, since satellite monitoring began.
Arctic
sea ice cover as of Wednesday reflects had already begun to slowly recede two weeks after it had reached its
maximum extent for the winter of 2016 - 17 on March 7, when it reached 5.57 million square miles (14.42 million square kilometers).
Segment I begins with a cold North Atlantic -LRB-- AMO),
maximum sea ice extent in the European Arctic shelf
seas (+ WIE).
A map of
sea ice extent at the climax of the Last Glacial
Maximum (both perennial and seasonal
ice), prepared with the help of a colleague, makes it possible to discuss what genetic and fossil evidence can tell us about the probable effects of glacial conditions on polar bears and ringed seals.
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.
The warm Arctic winter limited the formation of
sea ice so much that this year's
maximum extent, measured in March, was the smallest
maximum ever recorded.
Arctic
sea ice extent reached its wintertime
maximum on March 7, at 5.57 million square miles (14.42 million square kilometers).
The truth is that in the arctic we're seeing record low levels of
sea ice year after year, including just this year, when in March the North Pole saw the lowest
maximum ice extent on record.
NSIDC reported that the 2010 seasonal
sea ice maximum was quite late (31 March compared to the climatological date of 26 February) and the total
maximum ice extent approached the climatological mean.
When there is less summer
sea ice extent, the rebound to the following Spring
maximum is greater.
So an increased GHG effect should manifest in the polar regions in a decrease in winter
sea ice extent and a smaller increase in summer
sea ice extent relative to the winter
maximum extent (ie a smaller annual range in
sea ice extent).
We have performed a similar assessment — see «Temporal Trends In Arctic and Antarctic
Sea Ice Maximum and Minimum Areal
Extents» https://pielkeclimatesci.wordpress.com/2009/09/09/temporal-trends-in-arctic-and-antarctic-
sea-
ice-
maximum-and-minimum-areal-
extents/
For Antarctica, the lowest
maximum extent, recorded on September 12, follows a record low minimum
sea ice coverage recorded on March 1 after the summer thaw, he said.
After a reaching its
maximum extent unusually early and then following a period of relatively unchanging overall
extent, Antarctic
sea ice extent started to decline in earnest.
It is important to understand that the
maximum extent of
sea ice during the winter is a less important climatic indicator than the minimum
extent in summer.