Arctic sea ice growing at fastest rate in recorded history

Global snow and ice december 2019 state of the climate. The changes are associated with diminishing sea ice cover, according to a study published in the journal biology letters and led by the university of california, davis. Ice levels had been tracking lower throughout much of 2008, but rapidly recovered in the last quarter. Read scientific analysis on arctic sea ice conditions. Arctic sea ice refers to the area of the arctic ocean covered by ice. The graph above shows arctic sea ice extent as of november 2, 2017 along with daily ice extent data for five previous years. Arctic sea ice shrinks to secondlowest low on record. The four lowest ice extents on record have occurred between 2005 and 2009, with the record minimum reached during a dramatic drop in ice cover in 2007 that was exacerbated by unusual polar winds. Arctic icecap melting at its fastest recorded rate.

Arctic sea ice declining faster than the last 1,500 years. This increased growth of sea ice has helped to slow down the overall reduction. Based on the kinnard results, arctic sea ice extent is currently lower than at any time in the past 1,450 years. The high for antarctic sea ice in the satellite era was 2014. However, a late season surge in ice growth is still possible. Overall the earth is losing sea ice at a rate of 35,000 sq km per year,514 sq miles.

Average monthly arctic sea ice extent in september between 1979 and 2015 at a rate of. Arctic sea ice shrinks to smallest extent ever recorded. Arctic sea ice growing at fastest rate in recorded history. A reduction in seaice extent will promote strong arctic warming through the icealbedo feedback mechanism and may influence weather systems beyond the arctic e. Greenlands most famous glacier, the petermann glacier, has grown substantially and steadily over the past five years. The doubled rate of warming has led to increasingly smaller sea ice extents during arctic summer months and an overall reduction in sea ice. Antarctica and the arctic are two very different environments. Reconstructed changes in arctic sea ice over the past. While the antarctic sea ice yearly wintertime maximum extent hit record highs from 2012 to 2014 before returning to. Only decembers of 2006 and 2016 had a higher growth rate. The growing season has not ended, and 2019 arctic seaice extent is already higher than the previous four years and six out of the last 14 years. Sea ice in the arctic has shrunk to its smallest extent ever recorded, smashing the previous record minimum and prompting warnings of accelerated climate change satellite images show that the. Natural news cites a climate change denial blog called as evidence of the claim that sea ice has grown 40 percent since 2012.

Arctic sea ice likely reached its annual maximum winter extent on february 25, barring a late season surge. I have received many comments see below saying that the satellite data behind these graphs is spurious. There has been a significant overall loss of sea ice, which floats on the surface of the ocean, recorded during the past 27 years. Rapid growth spurt leaves amount of ice at levels seen 29 years ago. The arctic sea ice covers less area in the summer than in the winter. The sea ice reached its summer low point on saturday, extending 1. Melting sea ice may be speeding natures clock in the arctic. Arctic sea ice extent is third lowest on record universe. Arctic sea ice news and analysis sea ice data updated daily with. Record arctic sea ice growth continues posted on september 24, 2016 by tonyheller the arctic had the shortest melt season record this year, and the earliest end to the melt season on record. The arctic sea ice and its related biota are unique, and the yearround persistence of the ice has allowed the development of ice endemic species, meaning species not found anywhere else there are differing scientific opinions. And the 10 lowest ice extents have all been recorded since 2007.

Wintertime sea ice growth complicates the arctics big. Measured arctic sea ice volume is the lowest in the cryosat2 era as we head towards. Several studies project that the arctic ocean may become seasonally icefree by the year 2040 or even earlier. The rate of loss also appears to have accelerated since 2002 and this year has seen one of the fastest melt seasons on record. Suffer second largest two month drop in recorded history. Discussions about the amount of sea ice in the arctic often confuse two very different measures of how much ice there is. In july of this year, more sea ice melted than for any month on record. A recent study by nasa found that sea ice is growing faster during the winter months today than it did decades ago. Arctic sea ice reached its smallest extent for the year on september 10, tying for the secondsmallest minimum size on record. The past decades have seen a downward trend in arctic sea ice extent during both the growing and melting season, though the decline is steeper in the latter. Sea ice in the arctic grew to its annual maximum extent last week, and joined 2015, 2016 and 2017 as the four lowest maximum extents on record, according to scientists at the nasasupported nationa. The seasonal low point in arctic sea ice extent in september is also declining at a rate of. Arctic wintertime sea ice extent among lowest on record. The arctic sea ice minimum is the day in a given year when arctic sea ice reaches its smallest extent, occurring at the end of the summer melting season, normally during september.

Antarctic sea ice is gaining sea ice but antarctica is losing land ice at an accelerating rate. However the national snow and ice data center reported a significantly later date in 2015 on february 25, 2015, arctic sea ice extent appeared to have reached its annual. To them, arctic sea ice is a reliable indicator of a changing global climate. Changes in climate forcing directly affect the rate of ice growth, he said. Arctic sea ice is growing faster than before, but theres a catch.

Thanks to a rapid rebound in recent months, global sea ice levels now equal those seen 29 years ago, when the year 1979 also drew to a close. Strong arctic seaice growth this year watts up with that. Nsidc satellites provide a nearcontinuous record of arctic sea ice cover, allowing scientists to monitor changes from one day to the next. Any day now, arctic sea ice is expected to bottom out at its sixth lowest extent on record reports the national snow and ice data center nsidc. Greenlands surface gained ten times as much ice as it did five years ago, and was the fifth highest on record. Wintertime arctic sea ice growth slows longterm decline. Arctic sea ice has been in a steep decline since scientists started using satellites to measure it 40 years ago. In recent decades, sea ice in the arctic ocean has been melting faster than it re freezes in. As a result, sea ice behaves very differently in the two regions. The fast rate of the sea ice melting is resulting in the oceans absorbing and heating. One measure is seaice extent which, as the name implies, is a measure of coverage of the ocean where ice covers 15% or more of the surface.

Arctic seaice extent and volume are declining rapidly. We charted arctic sea ice for nearly every day since 1979. Temperatures rising, sea ice melting at record rate. The arctic seas ice has reached the secondlowest minimum extent on record at 4. Arctic sea ice growing at fastest rate in recorded history 7 nov 08 an abnormally cool arctic is seeing dramatic changes to ice levels.

Arctic sea ice extent in january 2020 is sitting above levels observed in the years 2019, 2018, 2017, 2016, 2015, 2012 record low extent, 2011, and 2010. According to nsidc, sea ice grew faster than average during december 2019 by an average of 82,100 square km 31,700 square milesthe third fastest december ice growth rate on record. Nasa arctic sea ice extent is third lowest on record. Changes in ice cover and freshwater flux out of the arctic ocean may also affect circulation in the north atlantic, which has profound influence on climate in europe and north america. Arctic sea ice expanding faster than normal watts up.

Climate impact of increasing atmospheric carbon dioxide. This years sea ice extent is substantially higher than last years record low minimum. Sea ice in the arctic grew to its annual maximum extent last week, and joined 2015, 2016 and 2017 as the four lowest maximum extents on record, according to scientists. Spring is coming sooner to some plant species in the low arctic of greenland, while other species are delaying their emergence amid warming winters. Hence, co2 cant be responsible for arctic sea ice decline. There is also considerable observational evidence that arctic sea ice extent over the last few decades is much lower than it has been for at least a century prior to modern times. Using climate models and observations of sea ice thickness from the european space agencys. Arctic sea ice is disappearing at alarming rate duration. Arctic sea ice extent in the past skeptical science. Massive arctic ice gain over the past five years real.

The great white con putting the arctic sea ice record. In reality, arctic sea ice is at a record low and global sea ice is diminishing. It grew from 1979 to 2014, while arctic sea ice was trending down. Zwallys work is currently incompatible with holocene sea level history and. The endofsummer arctic sea ice extent has almost halved since the early 1980s. The timing of seasonal events, such as first spring growth. The total amount of ice, which set a record low last year, grew in october at the fastest pace since recordkeeping began in 1979. Arctic sea ice minimum in 20 is sixth lowest on record.

Experts said arctic sea ice would melt entirely by. February is not over, and arctic seaice extent is already over half a million square kilometers higher than last year at this day. Arctic sea ice and the impact of record summer heat duration. Alltime record growth in arctic sea ice during past 2 weeks video september 6, 2016 september 5, 2016 by robert note. According to a nasa press release, new nasa research has found that increases in the rate at which arctic sea ice grows in the winter may have partially slowed down the decline of the arctic sea ice cover. Antarctic sea ice is growing despite a strongly warming southern ocean. Arctic sea ice has declined about 34 percent since measurements were first made in the late 1970s. In any case, arctic sea ice extent has been growing now for five years, 2017, despite continuing co2 rise. However, far from record lows, this year the arctic has seen the quickest refreeze ever recorded with the extent of sea ice growing 405,000 square miles 1. See arctic sea ice growing at fastest rate in recorded history. Blog the great white con putting the arctic sea ice. Arctic ice shrinks to second lowest level on record the. The total amount of ice, which set a record low last year, grew in october at the fastest pace since recordkeeping began in 1979, bringing ice back to levels from the 1980s. Official data reveals arctic sea ice is once again growing.

Sea ice in the arctic grew to its annual maximum extent on march 17 and joined 2015, 2016 and 2017 as the four lowest maximum extents on record, according to scientists at. Arctic wintertime sea ice extent is among lowest on record. Record arctic sea ice growth continues real climate science. Arctic sea ice shrinks to the secondlowest level ever. The 2012 sea ice extent is the lowest in the satellite record. Blog the great white con putting the arctic sea ice record straight. Not every location on the earth is having the same responses to climate changes. On sunday september 8th 20 the mail on sunday and the mail online published an article about arctic sea ice which we feel was economical with the truth. Our proxybased reconstructed history of latesummer arctic sea ice extent over the period ad5611995 is presented in fig. The previous record of the lowest extent of the arctic ocean covered by ice in 2012. Since satellite observations began, the extent of sea ice in the arctic has declined dramatically. Arctic sea ice is growing faster than before, but theres. A recent nasa study found that since 1958, the arctic sea ice cover has lost on average around twothirds of its thickness and now 70 percent of the sea ice cap is made of seasonal ice, or ice that forms and melts within a single year.