Arctic sea ice continues to rebound, quick link graphic added

Sea Ice Extent

I’ve been so impressed with the recovery thus far for Arctic sea ice, I’ve added a live icon for it in the lower right under the global satellite image. Just click on it to get a full sized graph like above.

Watch the red line as it progresses. So far we are back to 2005 levels, and significantly ahead of last year at this time.

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Alex
October 13, 2008 2:38 pm

I wonder if the media will be reporting this?
I notice however that the Antarctic ice unfortunately did not break the 2007 “record” and is now decreasing.
Brrrr,,, but I’m glad we are now moving into summer here in the Southern Hemisphere, pity that another cold front has just hit, temps plumeted from 37*C to 15*C today, and it’s raining

October 13, 2008 2:40 pm

This year, the rate of increase resembles what occurred a couple of weeks later last year.
http://nsidc.org/data/seaice_index/images/daily_images/N_timeseries.png
It will be interesting to see whether the rate levels off soon, or if it continues until this year approaches the 1979-2000 average.

Pops
October 13, 2008 2:46 pm

Don’t you just feel so sorry for all those polar bears? I bet they’re longing for some more gorebal warming because all that ice must be freezing their little endangered paws off.
Okay, okay. So it’s not a very scientific comment.

Manfred
October 13, 2008 2:46 pm

unprecendeted recovery !
how many ships are stuck in the ice ?

October 13, 2008 2:51 pm

Why do several of the curves (2008, 2006, 2003, maybe more) show the same little bump on what looks like 1. June? Are these data calibrated in any way?

Mark Nodine
October 13, 2008 2:52 pm

Meanwhile, the global ice area anomaly is close to its all-time greatest negative value.
http://arctic.atmos.uiuc.edu/cryosphere/IMAGES/global.daily.ice.area.withtrend.jpg

Mark Nodine
October 13, 2008 2:55 pm

Meanwhile, thanks to the Antarctic ice area, the global sea ice area anomaly is close to its greatest negative value since records started in 1979.
http://arctic.atmos.uiuc.edu/cryosphere/IMAGES/global.daily.ice.area.withtrend.jpg

Mark Nodine
October 13, 2008 2:59 pm

Meanwhile, thanks to the Antarctic ice area, the global sea ice area anomaly is close to its greatest negative value since records started in 1979. The Arctic recovery does look pretty impressive, though.
http://arctic.atmos.uiuc.edu/cryosphere/IMAGES/global.daily.ice.area.withtrend.jpg

Mike Clark
October 13, 2008 3:07 pm

As the study of charts and graphs is applied. It can be argued that a bottom has been put in. Furthermore, it is generally understood in the science of chart dynamics irrespective of what the chart indicates that when any dynamic which hyperextends at the top or bottom usually reverses in the opposite direction. In this case, ice measurements reached a very low point in 2007. The reaction has been to pull away quickly to the upside. The remainder of this season will tell the tale if the axiom for chart science is to be held true. To put it another way this season will indicate if a true reversal has been made.
Information relative to sun inactivity and magnetic fall off from the sun are giving us all a good look at what some have been predicting as far back as 2005. In this case chart science and solar science are lining up nicely.
If a quick review of the charts of the satellite temp record is done the same argument can be made. If both the satellite and ice charts indicate a reversal and the actual record in the near future also indicates a reversal then those who have predicted a long cooling period could be found prophetic. But, we all know if they are correct it won’t be prophecy it will be just plain ole good applied science which is what this world needs in a desparate way.

Steven Hill
October 13, 2008 3:07 pm

Where is Al Gore? These charts are wrong! The Hockey stick, remember the hockey stick!

Wyatt A
October 13, 2008 3:09 pm

To be fair, is there a similar graphic for the Antartic?

Mike86
October 13, 2008 3:11 pm

I did a plot using the data for this graph looking at the ice extent slopes over time. I eliminated the blank dates and calculated slopes for 5, 10, and 20 data point ranges, basically smoothing the lines out with increasing data. The highest rates of freeze over the 2002 – 2007 data range appear to be increasing over time, with 2007 being the highest. I ended in 2007 because we seem to be a couple of weeks away from the maximum freeze rate (~01Nov).
The maximum thaw rate was in July, 2007. While that’s not a surprise, the other years, including 2008, have basically the same maximum thaw slope.
I started in 2002, because that’s where this data set began. The data is on the site with the graph. The data was easy to dl and making the graph is pretty basic.
Mike86

Graeme Rodaughan
October 13, 2008 3:24 pm

In a couple of months it will be a SH summer and the Antarctic will be melting (as usual for summer), which will most likely be picked up by the MSM as unprecedented.
The Artic ice and polar bears will be forgotton, and the emperor penguins and leopard seals will have their day in the MSM “Sun”.
Graphic pictures of icebergs falling off the Antarctic ice shelves will be beamed around the world as dramatice evidence of CO2 induced global warming.
The meme of apocalyptic catastrophy that has been present in Western Civilisation for a long time will continue to get an airing on the MSM – because it is effective at selling advertising space…

Glenn
October 13, 2008 3:49 pm

Another record breaker:
“To avoid beating the September 2007 record low, more than 50% of this year’s first-year ice would have to survive; this has only happened once in the last 25 years”
http://nsidc.org/arcticseaicenews/2008/050508.html

crosspatch
October 13, 2008 3:54 pm

“Meanwhile, the global ice area anomaly is close to its all-time greatest negative value.”
Which makes absolutely no sense since Southern Hemisphere anomaly is only very slightly negative after hitting an all-time record high last year and the Northern Hemisphere anomaly is only 2/3 of what it was last year this time and has curved upwards toward zero.
I suspect some math error in how the data are correlated for the global anomaly graph.

crosspatch
October 13, 2008 3:54 pm

oops, forgot to close that anchor. Dangit.

Leon Brozyna
October 13, 2008 3:59 pm

I like this graph better than that of the NSIDC graph; the latter changes the axes on their graph around the fifth of each month which would induce a ‘jump’ in a gif animation {or even a slideshow ‘animation’}. Now all I need do is find a good piece of gif animation freeware and I’ll be set.

October 13, 2008 4:09 pm

OT, sunspots
On the current MDI visible sun, there is a facula on the edge around 10 o’clock, which shows a dark line on the magnetogram. Our current lonely sunspot started the same way, with an MDI bright spot over a magnetogram pair. Maybe we’ll get another spot.

Mike Bryant
October 13, 2008 4:24 pm

Wow I love having that Sea Ice Graph so handy. The Snow coverage over the
continental USA is now 12.7%
http://www.nohrsc.noaa.gov/nsa/index.html?region=National&year=2008&month=10&day=13&units=e
Last year on this day it was .3%.

Bill Marsh
October 13, 2008 4:52 pm

Mike,
That graphic means that 12.7% of the continental US (I’m assuming continental because the graphics only show the lower 48) is covered with snow/ice? Interesting implications for albedo for sure. Especially vs .3% for this time last year.

spangled drongo
October 13, 2008 5:08 pm

Crosspatch,
Makes you wonder about some of this stuff.
The JAXA site shows better than 6.5million sq. kilometers of ice and the NSIDC shows only 4.5 mil., both for the NH.

crosspatch
October 13, 2008 5:32 pm

Another thing I don’t understand is that while the graphic posted shows the current ice coverage the same now as it was at this time in 2005. This graph shows today still more than 100K sq km less than 2005. The more I compare “Cryosphere Today’s” data the more suspect it becomes.
If we have so much more ice now than at this time last year, why does their long term anomaly graph show today’s ice nowhere near the levels in 2005 or 2006. Someone’s not telling the truth. AMSR-E’s data compared to 2005/6 is nothing like Cryosphere Today’s today compared to 2005 or 2006.

AnyMouse
October 13, 2008 5:35 pm

Why do several of the curves (2008, 2006, 2003, maybe more) show the same little bump on what looks like 1. June?

It’s the end of Santa’s fiscal year, and he has to use up all his heat budget.

Steve W,
October 13, 2008 5:36 pm

Thanks for the graph and quick link Anthony! You are giving us exactly what we want. I will be checking it daily.

helvio
October 13, 2008 5:49 pm

It looks like EU, due to this financial crisis, wants to relief the industry from the carbon trading, in order to promote economic growth. They’ll discuss it Wednesday. Check here, here and here. It seems to me that it needs a big shake, like this crisis we’re in, for responsible people to realize society’s real needs and true priorities.

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