Category Archives: sea ice

Was the Northeast Passage first navigated in 1660?

If true, it suggests periods of reduced Arctic sea ice during that time that made this feat possible. Reposted from the blog Ecotretas with permission   A graphical comparison between the North East Passage (blue) and an alternative route through … Continue reading

Posted in Arctic, sea ice | Tagged , , , , , , , | 65 Comments

Sea ice variability within and outside the Arctic Circle

The essay below is a result of some collaboration between Jeff Condon and myself. I’ve been wondering for quite some time if there was any trend difference between the truly “arctic” sea ice inside the Arctic Circle and the ice … Continue reading

Posted in sea ice | Tagged , , , , , , , | 54 Comments

Alaska On The Rocks

Guest Post by Willis Eschenbach From the “weather is not climate” department, the sea ice is in early and thick in Alaska. It makes me shiver just to look at the picture. They had to use an icebreaker to get … Continue reading

Posted in Arctic, sea ice, snow | Tagged , , , , , , , , , | 172 Comments

The Ridiculousness Continues – Climate Complexity Compiled

By WUWT regular “Just The Facts” With the help of an array of WUWT reader comments on this thread and several others documented within, I’ve been compiling a summary of all potential climatic variables in order to build a conceptual … Continue reading

Posted in aerosols, AMO, Antarctic, Arctic, climate data, clouds, cosmic rays, dust storms, earth, Earthquakes, energy, ENSO, feedbacks, geothermal energy, Gravity, hurricanes, Methane, oceans, PDO, petroleum, Science, sea ice, snow, solar, solar power, thorium power, tornadoes, wind power | Tagged , , , , , , , , , , | 238 Comments

Russian river water affecting the Arctic – AO shift blamed

From the University of Washington Russian river water unexpected culprit behind Arctic freshening near US, Canada A hemisphere-wide phenomenon – and not just regional forces – has caused record-breaking amounts of freshwater to accumulate in the Arctic’s Beaufort Sea. Freshwater … Continue reading

Posted in Arctic, sea ice | Tagged , , , , , , , , | 41 Comments

New WUWT Polar Vortex Reference Page

By WUWT regular “Just The Facts” We are pleased to introduce WUWT’s newest addition, the WUWT Polar Vortex Reference Page. For those unfamiliar, a Polar Vortex is “caused when an area of low pressure sits at the rotation pole of … Continue reading

Posted in Antarctic, Arctic, ozone, sea ice, stratospheric water vapor | Tagged , , , , , | 81 Comments

NSF just now figures out Archimedes’ buoyancy principle

Just like Archimedes discovered millennia ago, it is well known today that the Arctic ice cap displaces it’s own weight in the water so that when it melts it will not cause a rise in global sea level. Surprisingly, the … Continue reading

Posted in Arctic, Science, sea ice | Tagged , , , , , , | 157 Comments

Model predicts Arctic sea ice extent

From the University of Washington , some great news if it holds predictive power over time in the face of a cyclic, noisy, non-linear system. Model provides successful seasonal forecast for the fate of Arctic sea ice Relatively accurate predictions … Continue reading

Posted in Arctic, forecasting, modeling, sea ice | Tagged , , | 47 Comments

Sea Ice News: Arctic sea ice “may” have turned the corner

UPDATES: New NSIDC data and a press release from them added below. While some folks (Joe Romm in particular) are touting the recent University of Bremen press release suggesting a new record low has been met, declaring record minimum Arctic extent … Continue reading

Posted in Arctic, sea ice, Sea Ice News | Tagged , , , , , , | 209 Comments

Final 2011 sea ice outlook submitted to ARCUS

While I’ve sent this to Helen Wiggins at ARCUS (and have confirmation of receipt), I’m also posting it here for the record. PAN-ARCTIC OUTLOOK  FROM WUWT (acronym for WattsUpWithThat.com)

Posted in Arctic, forecasting, sea ice | 39 Comments

Final Arctic Sea Ice forecast poll

Poll now closed. Results below will be submitted to ARCUS on Sept 1st. Once again, I’m going to give WUWT readers an opportunity to make a forecast for submission, based on voting. See the poll at the end. I’m late … Continue reading

Posted in Arctic, forecasting, sea ice | 178 Comments

Icebreaker at the North Pole

From the Alfred Wegener Institute news that a ship that reached the real geographic North Pole, unlike the hapless group of Whisky sponsored rowers (Row to the Pole) who are pointlessly attempting to reach the location of 1996 magnetic pole, … Continue reading

Posted in Arctic, sea ice | Tagged , , , , | 84 Comments

Still no polar ice tipping points ahead

We covered this earlier, but this is a new press release on the subject today. From the University of Washington via Eurekalert Model shows polar ice caps can recover from warmer climate-induced melting A growing body of recent research indicates … Continue reading

Posted in Arctic, sea ice | 85 Comments

ARCUS Sea Ice August forecast online

The August SEARCH forecast is now online, a little late this month. As before, I’ll make the poll for WUWT readers available at the end of the month for the final forecast. Personally I think the last WUWT reader poll … Continue reading

Posted in Arctic, forecasting, sea ice | 44 Comments

From NCAR an “unexpected new result” – “Arctic ice… likely to expand as it is to contract”

It seems that the Serreze “death spiral” might be on hold. From UCAR/NCAR: Arctic ice melt could pause in near future, then resume again BOULDER—Although Arctic sea ice appears fated to melt away as the climate continues to warm, the … Continue reading

Posted in Arctic, modeling, sea ice | 146 Comments

Quote of the week – death of the Arctic “death spiral”?

We all cringed, then laughed when Dr. Mark Serreze of NSIDC first said it, then marveled about it as it got a life of its own, being the buzzphrase for every alarmist who wanted to shriek about declining Arctic sea … Continue reading

Posted in Alarmism, Arctic, sea ice | 115 Comments

Arctic “death spiral” or dead sensor?

As many readers have noted, one of the Arctic sea ice extent plots on our WUWT sea ice page took a Serreze style nosedive today: Source: http://ocean.dmi.dk/arctic/plots/icecover/icecover_current.png According to DMI (Danish Meteorological Institute), this is the source of the data: … Continue reading

Posted in Arctic, sea ice | 138 Comments

New study suggests Arctic ‘tipping point’ may not be reached

This is interesting. While there’s much noise from alarmists that we are on an “Arctic death spiral” the team for this paper’s press release today found evidence that ice levels were about 50% lower 5,000 years ago. The paper references … Continue reading

Posted in Arctic, sea ice | Tagged , , , | 114 Comments

August WUWT Arctic sea ice outlook submitted to ARCUS

This month, we have nearly a perfect bell curve distribution of votes, except for a minority vote that says less than 4.5 million sq kilometers. 750 votes were cast. PAN-ARCTIC OUTLOOK – WUWT (acronym for WattsUpWithThat.com)

Posted in Arctic, forecasting, sea ice | Tagged , , , | 50 Comments

The “Row to the Pole” publicity stunt looks doomed to failure by a sea ice block

Regular readers may recall that back on June 15th, I pointed out the absurdity of this “Row to the Pole” publicity stunt sponsored by the whisky company “Old Pulteney” which had plans to row to the North Magnetic Pole (based … Continue reading

Posted in Arctic, sea ice | Tagged , , | 122 Comments

Antarctic ice – more accurate estimates

Guest post by Verity Jones @ Digging In The Clay Cracking ice shelves make headlines, but ice loss estimates that are revised downwards don’t.  While there is great hand wringing over coastal ice loss in Greenland and the West Antarctic … Continue reading

Posted in Antarctic, sea ice | Tagged , , | 35 Comments

August ARCUS forecast poll – What will the September NSIDC Arctic minimum extent be?

Once again, I’m going to give WUWT readers an opportunity to make a forecast for submission, based on voting. See the poll at the end.  I’ll run this poll each month in the week before the deadline, and we’ll see … Continue reading

Posted in Arctic, sea ice | Tagged , , | 136 Comments

Antarctic Ice shelf collapse – “worse than we thought”

Researchers Provide Detailed Picture of Ice Loss Following Collapse of Antarctic Ice Shelves An international team of researchers has combined data from multiple sources to provide the clearest account yet of how much glacial ice surges into the sea following … Continue reading

Posted in Antarctic, satire, sea ice | Tagged , , | 132 Comments

The BBC Endeavours to Provide More Biased Coverage on Climate Change

By WUWT regular “Just The Facts” The BBC’s governing body, the BBC Trust, has released a report on its coverage of climate change, that is based partly on “an independent review” by Steve Jones, a Genetics Professor at University College London … Continue reading

Posted in Alarmism, media, sea ice, Uncategorized | Tagged , , , , , , , | 81 Comments

Polar OBuoy – the movie

An engineer who helped deploy “obuoys” in the Arctic submitted this story, but wishes to remain nameless since he feels that he’ll be ostracized for sharing here. I’ll respect his wishes, and pass along the information. He writes via the … Continue reading

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