Category Archives: Sea ice

Defusing the Arctic Methane Time Bomb

Guest Post by David Middleton The Arctic methane time bomb keeps ticking… From Scientific American… Climatewire More Arctic Methane Bubbles into Atmosphere A new study suggests more than twice as much of the potent greenhouse gas is bubbling out of … Continue reading

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Posted in Alarmism, Arctic, Methane, Paleoclimatology, Sea ice, Sea level | 80 Comments

Ice melting Arctic cyclones more common than previously thought

Remember the Arctic cyclone that chopped up the Arctic sea ice in 2012, resulting in a new record low summer extent for the satellite era? It turns out they are rather common. From the AGU Fall Meeting and the Ohio … Continue reading

Posted in AGU 2013, Arctic, Sea ice | Tagged , , , , | 41 Comments

On data losses -vs- geography in Cowtan and Way 2013: data dropout may account for most of the recent observed differences

At Climate Audit, Roman M. has a very interesting analysis that shows the surface grid cell losses from HadCRUT4 in C&W. It hones in on the issue of why the temperature differences from 2005 are much more significant than the … Continue reading

Posted in Antarctic, Arctic, Cowtan & Way, Sea ice | Tagged , , , , , , , , | 57 Comments

A new record: the most sea ice in Antarctica in 30 years by extent and by volume

Translated by Google from this press release in German at the Alfred Wegener Institute in Germany: Never so much sea ice at Antarctica in the last 30 years In light of global warming, it seems paradoxical that the sea ice … Continue reading

Posted in Antarctic, Sea ice | Tagged , , , | 56 Comments

NASA Announces New Record Growth Of Antarctic Sea Ice Extent

Researchers have measured a new record for sea-ice extent in the Antarctic. Why the white splendour is extending there while it is rapidly disappearing in the Arctic is a mystery. Antarctica: The extent of sea ice (white) reached a record … Continue reading

Posted in Antarctic, Sea ice | Tagged , | 127 Comments

Antarctic Sea Ice Didn’t Get The Memo That It Was Supposed To Melt

Image Credit: Cryosphere Today – University of Illinois – Polar Research Group By WUWT Regular Just The Facts Per the graph above, Antarctic Sea Ice Extent has remained above the 1981 – 2010 “normal” range for much of the last … Continue reading

Posted in IPCC, measurement, Sea ice | Tagged , , , , , , | 162 Comments

Weekly Area of Snow Extent

Guest Post by Willis Eschenbach I got to thinking about snow the other day. It was occasioned by my look at the correlation (both positive and negative) of temperature and albedo. Albedo is a measure of how much sunlight is … Continue reading

Posted in Sea ice | Tagged , , , | 149 Comments

Global Sea Ice Overview, Walrus Gathering and Northern Regional Sea Ice Retrospective

Image Credit: Cryosphere Today – University of Illinois – Polar Research Group By WUWT Regular Just The Facts For those beating the “imminent Arctic ice death spiral” drum, 2013 has not been a good year. Per the graph above, Global … Continue reading

Posted in Alarmism, measurement, Sea ice | Tagged , , , , , | 52 Comments

Study: The Late Cretaceous Period was likely ice-free

From the University of Missouri-Columbia COLUMBIA, Mo. – For years, scientists have thought that a continental ice sheet formed during the Late Cretaceous Period more than 90 million years ago when the climate was much warmer than it is today. … Continue reading

Posted in Paleoclimatology, Sea ice | Tagged , , , , , , , | 118 Comments

Claim: winds blamed for Antarctic sea ice approaching record high

Stronger winds explain puzzling growth of sea ice in Antarctica From University of Washington press room by Hannah Hickey Much attention is paid to melting sea ice in the Arctic. But less clear is the situation on the other side … Continue reading

Posted in Antarctic, Sea ice | Tagged , , | 126 Comments

Tough Times For Sea Ice Melt Enthusiasts…

Image Credit: Cryosphere Today – University of Illinois – Polar Research Group By WUWT Regular Just The Facts In previous years there was reason to cheer, .e.g. “Transport is steaming full speed ahead.” “Some serious ice transport going on there. … Continue reading

Posted in Sea ice | Tagged , , , , , , , | 153 Comments

JAXA timing worst ever – switching Arctic Sea Ice software, right as the minimum is about to happen

It looks as if we are about to see the turn in Arctic sea ice, and if so it will be earlier than last year. But right at that same time, JAXA has decided to switch horses mid-stream. They say … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , , , | 144 Comments

Introducing The New WUWT Northern Regional Sea Ice Reference Page – With Observations

Image credits: (NSIDC) – The Perry-Castañeda Library Map Collection By WUWT regular “Just The Facts” We are pleased to introduce WUWT’s newest addition, the Northern Regional Sea Ice Page Sometimes lost in the Global Warming Causes Sea Ice Death Spiral … Continue reading

Posted in Announcements, Arctic, Reference Pages, Sea ice, Sea Surface Temperature | Tagged , , , , , | 57 Comments

NASA says Arctic sea ice ‘Unlikely To Break Records’ in 2013

A video animation follows. Note also that Dr. Walt Meier is now with NASA Goddard, after leaving NSIDC at the end of July. This is his first report from NASA. – Anthony Arctic Sea Ice Update: Unlikely To Break Records, … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , | 112 Comments

The early chill in the Arctic continues

Temperature above 80 degrees north drops below freezing early, and continues to drop. Many people have been watching the remarkable early drop in air temperature at the DMI plot here: This drop looks to be about two weeks early. As … Continue reading

Posted in Arctic, Sea ice | Tagged , , , | 351 Comments

According to this DMI temperature plot, the high Arctic has dropped below freezing about two weeks early

The daily mean temp 80 -90 degrees North has remained below climatological normal for more than 120 days, and has now dropped below freezing  Normally, we don’t see this sort of drop until early to mid September. I’m surprised to … Continue reading

Posted in Arctic, Sea ice | Tagged , , , | 107 Comments

Observations From The WUWT Sea Ice Page

Image Credit: Cryosphere Today – University of Illinois – Polar Research Group By WUWT Regular Just The Facts Global Sea Ice Area, shown above, has remained quite average this year. However, this is not due to a recovery in Northern … Continue reading

Posted in Reference Pages, Sea ice, Sea Ice News | Tagged , , , , | 121 Comments

An alarmist prediction so bad, even Gavin Schmidt thinks it is implausible

Gosh, it’s that “methane ‘splode” again. This time the Guardian makes an easily testable hypothesis emblazoned in the headlines that we’ll be sure to remind them of in two years. Even Gavin Schmidt is panning this one, see below. From … Continue reading

Posted in Arctic, Methane, Sea ice | Tagged , , | 115 Comments

Remarkable correlation of Arctic sea ice to solar cycle length

This is interesting, especially since Solar Cycle 23 was quite long. The Hockey Schtick writes: A paper published by the Danish Meteorological Institute finds a remarkable correlation of Arctic sea ice observations over the past 500 years to “the solar … Continue reading

Posted in Arctic, Sea ice, Solar | Tagged , , , , , , , | 108 Comments

Avaaz! Save the world from a slushy death, just £2

People send me stuff. This is an email solicitation claiming that if you send Avaaz £2 a week (About $3.07 USD at current exchange rate) they’ll somehow be able to help NSIDC’s Julienne Stroeve get started putting back that Arctic ice, … Continue reading

Posted in Alarmism, NGOs, Sea ice | Tagged , , , , , , , | 139 Comments

Model-Data Comparison: Hemispheric Sea Ice Area

I discovered this climate model failure a while ago, but haven’t published a post about it because, if I were to compare the modeled and observed sea ice area for each hemisphere, I would need to make too many approximations … Continue reading

Posted in Climate FAIL, Modeling, Sea ice | 67 Comments

Newsbytes: Polar Bear Population Growing Despite Declining Sea Ice

Great News! But Where Is The News Coverage? From The GWPF and Dr. Benny Peiser Exciting news about polar bears in eastern Canada: a new the peer-reviewed paper concludes that despite sea ice having declined since the 1970s, polar bear … Continue reading

Posted in Polarbeargate, Sea ice | Tagged , , , , , , , | 60 Comments

SEARCH sea ice contest, call for contributions

WUWT has participated for the last two years, and I’ll post up a poll for the WUWT submission tomorrow. In the meantime, you can get a look at the current state of the Arctic Sea Ice at the WUWT Sea … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , , , | 63 Comments

Modeling sea ice loss

From Wiley Study explores atmospheric impact of declining Arctic sea ice There is growing recognition that reductions in Arctic sea ice levels will influence patterns of atmospheric circulation both within and beyond the Arctic. New research in the International Journal … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , , , | 80 Comments

More ‘ice free Arctic’ claims – we’ve heard it all before

From the University of Massachusetts at Amherst, something we’ve heard before. For example this claim from 2008. Gotta love the use of props to show how climate tipping points work: NASA: Arctic Ocean Could be Mostly Ice Free in 2013 … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , , , | 71 Comments

Fat polar bears (Ursus Maritimus Obesus) -vs- CFACT

The press release below is from Wiley, where they worry that the polar bear can’t find enough sea ice. Meanwhile, billboards proclaim the uptick in polar bear numbers thanks to conservation efforts and other factors. See below for 10 reasons … Continue reading

Posted in Arctic, Polarbeargate, Sea ice | Tagged , , , , , , , | 146 Comments

Ice loss model verification via satellite observations

European satellite confirms UW numbers: Arctic Ocean is on thin ice By Hannah Hickey (via university of Washington press release) The September 2012 record low in Arctic sea-ice extent was big news, but a missing piece of the puzzle was … Continue reading

Posted in Arctic, Modeling, Sea ice | Tagged , , , , , | 97 Comments

Sea Ice News: Volume 4 #1 – Arctic Ice gain sets a new record

From the Nature abhors a vacuum department comes this note from RealScience showing that Arctic sea ice has made a stunning rebound since the record low recorded in the late summer of 2012. With a few weeks of growth still to … Continue reading

Posted in Antarctic, Arctic, Sea ice, Sea Ice News | Tagged , , , | 165 Comments

Record Arctic Storm Melted Sea Ice

Image Credit: National Snow and Ice Data Center IUP Bremen From Live Science: Months before Hurricane Sandy hurled the Atlantic Ocean into houses and cities along the East Coast, another record-breaking cyclone battered North America, helping push this year’s Arctic … Continue reading

Posted in Sea ice, Weather | Tagged , , , | 116 Comments

Sea ice extent linked to ocean currents – hindcast model works

UPDATE: Perhaps in response to criticism here, MIT has changed the press release wording. See below. From MIT, now if they could work the wind patterns in, as NASA suggests, we might have a clearer picture of why the Arctic … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , , , | 95 Comments

Bipolar disorder – as in the Arctic, the Antarctic sea ice extent is affected by wind, unless of course it’s ‘climate change’

From the “no matter what happens it is climate change” department. So, according to this, when the Arctic loses ice it is due to climate change ‘global warming’ when the Antarctic gains ice it is due to ‘climate change’ and … Continue reading

Posted in Antarctic, Sea ice | Tagged , , , , , , , | 181 Comments

Finally: JPL intends to get a GRASP on accurate sea level and ice measurements

A climate science bombshell: New proposal from NASA JPL admits to “spurious” errors in current satellite based sea level and ice altimetry, calls for new space platform to fix the problem. People send me stuff. Today it is a PowerPoint … Continue reading

Posted in Sea ice, Sea level, Space, Technology | Tagged , , , , , , , | 127 Comments

Arctic Ice and the DMI deficit

There’s been some interest in these before and after graphs highlighted by the blog “sunshinehours” here. Arctic Sea Ice Not As Bad As They Claimed??? DMI To me it looked like a data processing change at DMI (Danish Meteorological Institute) of … Continue reading

Posted in Arctic, Sea ice | Tagged , , , , , | 30 Comments

NASA on Earth’s bipolar sea ice behavior

Opposite Behaviors? Arctic Sea Ice Shrinks, Antarctic Grows September 2012 witnessed two opposite records concerning sea ice. Two weeks after the Arctic Ocean’s ice cap experienced an all-time summertime low for the satellite era (left), Antarctic sea ice reached a … Continue reading

Posted in Antarctic, Arctic, Sea ice | Tagged , , , , | 175 Comments

Antarctic weight loss seems to be in the eye of the beholder

From Newcastle University New understanding of Antarctic’s weight-loss New data which more accurately measures the rate of ice-melt could help us better understand how Antarctica is changing in the light of global warming. The rate of global sea level change … Continue reading

Posted in Antarctic, Glaciers, Sea ice, Sea level | Tagged , , , | 59 Comments