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…

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 warm-cold oscillation

From the Institute of Physics Cold winters caused by warmer summers, research suggests Scientists have offered up a convincing explanation for the harsh winters recently experienced in the Northern Hemisphere;…

Polar bears becoming a problem in some Arctic towns – survey accuracy questioned

This interesting article shows the information and perception gap between scientists that do helicopter surveys of polar bears and the native people who co-exist in their presence.

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…

Warming Island / Greenland Sea Regional Climate and Arctic Sea Ice Reconstruction

Guest post by David Middleton The recent return of the Warming Island AGW myth inspired me to build a climate reconstruction for the Greenland Sea region. Temperature Reconstruction I performed…

Study suggests Arctic sea ice loss is not irreversible

We covered this topic before on WUWT, but it showed up again in this week’s AGU highlights. Given the attention to the recent Arctic sea ice low and quick turnaround,…

In other news…Arctic sea ice has turned the corner

We all need a break from the Gore-a-thon, so here’s some cheering news. As I reported on Sept 13th, Sea Ice News: Arctic sea ice “may” have turned the corner sea…

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 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…

Sea Ice News: Arctic sea ice extent making a sharp right turn

Over the past few days, Arctic sea ice extent has braked dramatically in the daily loss rate and now has made a sharp right turn, which is rather unusual. Here’s…

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…

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”…

Sea Ice News – July ARCUS forecast published

Figure 1. Distribution of individual Pan-Arctic Outlook (July Report) values for September 2010 sea ice extent. Credit: Arctic Research Consortium of the U.S. (ARCUS). Click to enlarge. Download High Resolution…

Peer reviewed paper – wind contributes to Arctic sea ice decline

From Dr. Roger Pielke Senior, one more paper saying what we’ve been reporting on since 2007 – Arctic sea ice extent is a significant function of wind and currents, not…

The ARCUS June Arctic Sea Ice Outlook

WUWT readers may recall last month when I asked them to complete a web poll for the ARCUS Arctic Sea Ice Outlook. Readers obliged and I submitted the results to…

Sea Ice News – June ARCUS forecast from readers submitted

JAXA AMSR-E Sea Ice Extent -15% or greater – click to enlarge I submitted the WUWT ARCUS sea ice forecast today, based on votes received in our poll. Here is…

Polar bear population – no change

From CNS News: From that article:

Sea Ice News – Call for Arctic sea-ice forecasts, plus forecast poll

It has been awhile since I’ve done a sea-ice report. That said, not much of note has been going on in the sea-ice arena, we are in that time of…

Sea Ice News #36 – Arctic maximum ice extent reached – NANSEN data disagrees with NSIDC's on the claim of a tie with 2006-2007

Now we start the slow slide into the Arctic Ice Minimum, likely sometime in September. It is important to point out that there’s a lot of ice up there, and…