Archive for the ‘Sea Ice’ Category

Ice Sea Ice Sea – And Repeat

October 21, 2013

Models (and history) project that Nova will likely post about near record Antarctica sea ice for the next few decades at least.

Climate Scientists don’t expect Antarctic to behave the same way as the Arctic. Here’s the projection for Antarctic Sea Ice with observations well within the bounds of model projections.

Antarctic Sea Ice Projection

Antarctic Sea Ice Projection. Source

Not only do the models not expect Antarctic Maximum Sea Ice Extent to drop away for several decades, there is also other science that indicates other factors greatly influence sea ice creation – it’s not just about temperatures as Nova wants you to believe.

Nova Cherry Picks Again

Strangely (or not given that Nova’s intent is to confuse you rather than educate you) Nova chooses a few selected years to compare against. The full set shows the maximum, whilst being close to a record, is really only remarkable for its late melt.

Antarctic Observations

Antarctic Observations

Poles Apart

Joanne talks about the media only showing one side of the argument – Ironic that she only gives half the picture. If you compare the images of the Antarctic and the Arctic, it’s obvious that the slight increase in Antarctic sea ice does not make up for the dramatic loss of ice in the Arctic.

Sept. 2013. The Antarctic has increased slightly but does not make up for the massive loss in Arctic ice. That contrast in 2012 was even more stark.

Sept. 2013. The Antarctic has increased slightly but does not make up for the massive loss in Arctic ice. That contrast in 2012 was even more stark. Source

DeJa Vu

Yes, we’ve been here before …

See you same time next year!

Fingers In Ears

September 3, 2013

With her digits firmly planted in her ears Joanne Nova pretends that AGW is not happening. The science says otherwise. Perhaps Jo is too busy with Tony “It’s crap” Abbott’s political campaign to write about the science, or perhaps it’s just because these climate science papers don’t agree with her preconceived, politically motivated, scientifically-unsupported, blogger opinion? Here’s a small sample of recent peer-reviewed science Joanne wants to wish away.

update: Nova has commented on this list saying “I can rebut most just from their headlines.” … but of course she doesn’t go any further than that and instead yet another person gets “moderated” when the topic becomes too much for Nova. Joanne repetitively points to her “Evidence”, a page which we’ve covered in detail .


psssst … Ignore the Arctic … look over here!!! Antarctic sea ice again!

October 12, 2012

Yet again Nova attempts to distract away from record loss of Artic sea ice, which currently has been at a record low for several months, and instead focus on the Antarctic sea ice which set a record high, if you ignore extent and focus on area, and even then only by a tiny margin and only for a day or two before disappearing back down into the average.

This time around, when researchers, those that studying the Antarctic climate, suggest a possible cause for the slight increase in Antarctic sea ice is related to the wind, Nova jumps up and down furiously. First she claims the research is wrong, that Borenstein is just pretending, then she claims the IPCC and others were wrong because this new theory would contradict them. Which is it Nova?

In Nova’s haste to prove everything wrong, a few clumsy mistakes are made along with one classic (see “Could sea ice increase, and ice shelves melt .” detailed below).


Arctic vs Antarctic Ice

September 20, 2012

Joanne Nova suggests newspapers are being biased by not covering the “almost new record” of Antarctic sea ice and instead seem to be more preoccupied with how the Arctic has lost 50% of its summer sea ice.

In her haste to claim wrongdoing she forgets a number of key facts.

  • The current Antarctic sea ice anomaly is only 60% of the one recorded in 2007, so it’s not a record.
  • Even if the increase continued for this year, and it became a new record, it is not part of a dramatic trend unlike the Arctic situation.
  • The extra 7% of Antarctic sea ice area, does not offset the 50% loss of Artic ice. Globally the trend is downward.
  • The Antarctic ice is thinner; having slightly more thinner ice is no substitute for the loss of thick multi-year Arctic ice.
  • The Antarctic ice cannot be feasibly moved to the northern hemisphere so it’s no help to the polar animals that depend upon the ice.
  • The causes for sea ice increase may well be explained by a number of factors.
  • The Antarctic (not just sea ice) is continuing to lose mass.
  • From a feedback mechanism point of view (less ice means more sun enters the water rather than being reflected) the increase in ice during winter does not have as much impact on the feedback as loos of ice during summer because it occurs at a time when there is less direct sunlight.
  • The small increase in Antarctic sea ice is not sucking methane back in.

The difference in sea ice of the Artic vs Antarctic is explained well on the website. Nova should read more and write less – but that might interfere with her scare campaign.

Perhaps Nova prefers video?