Sentences with phrase «arctic sea ice»

The ocean heat content change is from this section and Levitus et al. (2005c); glaciers, ice caps and Greenland and Antarctic Ice Sheets from Chapter 4; continental heat content from Beltrami et al. (2002); atmospheric energy content based on Trenberth et al. (2001); and arctic sea ice release from Hilmer and Lemke (2000).
Also, most of the projected surface warming is the high latitudes of the northern hemisphere, along with the direst impacts (melting of arctic sea ice and greenland, release of methane from permafrost, etc)
know this could be another polar bear drowning incident (caused by a storm — not arctic sea ice retraction).
According to the National Snow and Ice Data Center (NSIDC), arctic sea ice extent for June 2011 was the second lowest in the satellite data record since 1979.
Retrospective analysis and future prediction of the arctic sea ice system (Jinlun Zhang, D. Andrew Rothrock, and Michael Steele; Applied Physics Laboratory) http://psc.apl.washington.edu/zhang/IDAO/index.html
Now all they have to do is notice the co-incidence between the AMO and arctic sea ice, and that AGW - ranting point can also be put to bed, too.
This year the arctic sea ice is melting so rapidly that the NSR is opening earlier than ever.
Lett., 2011, doi: 10.1029 / 2011GL048008) evaluated the NCAR CCSM4 model arctic sea ice trends and found that on time - scales less than 10 years, it's equally possible for the September sea ice to increase or decrease even into the 21st century.
To put this estimate in context, this is below the 2009 minimum of 5.4 million square kilometers and represents a continuation of the long - term loss of summer arctic sea ice.
This may have important implications for the future evolution of the arctic sea ice cover.
The caveat of course is that the causal linkage between arctic sea ice loss and Jetstream disruption has a cogent explanation, but it has yet to be formally recognized by IPCC.
Why was Judith Curry invited as an expert on arctic sea ice?
There are useful things that can be said related to Atlantic temperatures, sea level, and water vapour, but the specific circulation link to arctic sea ice is tenuous at best, and completely speculative at worst.
Was it the IPCC TAR or the AR4 which said a summer arctic sea ice free event was unlikely to happen until the 2090s; the end of the century?
The range of 1.4 °C to 4.3 °C in the committed warming overlaps and surpasses the currently perceived threshold range of 1 °C to 3 °C for dangerous anthropogenic interference with many of the climate - tipping elements such as the summer arctic sea ice, Himalayan - Tibetan glaciers, and the Greenland Ice Sheet.
To measure coverage of arctic sea ice, we searched Nexis for «arctic and (ice or melt).»
Hi iceman, Sorry for the tardy reply, that pesky real life thing again...:) The reason there is so little excitement about the record high sea ice extent in the antarctic (aside from it having no appealing potential victims, like polar bears) versus the record low arctic sea ice is probably because the southern record is only a matter of 2 % anamoly, whereas in the north we are now looking at levels over 40 % below average.
It is worth noting that the loss of ice in the NH * is * significantly different from the model expectations, in that the models are under predicting in a big way the arctic sea ice response to GW.
But so far Fox News remains silent not only on Monnett's case but also on the record arctic sea ice loss this summer that portends danger for polar bears.
The purpose of the seasonal predictions of arctic sea ice is for scientific research and education only.
With this information, would you end up with a credible interval of more than 75 % for 1.5 to 4.5 even if the answer and prior was for number of years before arctic sea ice practically disappears for 1 day a year?
Record droughts in many areas of the world, the loss of arctic sea ice — what you see is an increasing trend that is superimposed on annual variablity (no bets on what happens next year, but the five - to - ten year average in global temperatures, sea surface temperatures, ocean heat content — those will increase — and ice sheet volumes, tropical glacier volumes, sea ice extent will decrease.
Given that arctic sea ice is already set to disappear given current levels of GHGs in the atmosphere, there is little chance that this feedback will contribute to an ice age any time in the foreseeable future.
(sounds exactly like the arctic sea ice and the climate change «death spiral» never ending journey towards catastrophe)
Instead, some are associated with any GHG, while others such as arctic sea ice decrease occur due to any persistent warming.
For example... they know little about hydrology, arctic sea ice, vegetation and transpiration processes, etc..
How do you bridge a divide with attendees like Steven Goddard (who believes that it snows dry ice in antarctica therefore proving all textbooks on physical chemistry wrong, and that arctic sea ice volume is drastically increasing), or Tallbloke (who rejects the last 90 - ish years of physics, starting with Einstein, and insists that the ether is real), etc etc?
That's a pretty silly claim on Dr. Curry's part if you consider that in the months the arctic sea ice isn't diminished, there's never really so much sunlight as you'd count it against the average, so whatever albedo changes there are during the half of the year that matters, they're when the sun is at its highest angle.
Does less arctic sea ice results in enhanced cooling to space in this region?
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Though if there was generally less arctic sea ice, it sort of opens ocean shipping route during the summer and general make passage by ice breakers easier.
Of course it matters to what happens to arctic sea ice.
Elaboration on the arctic sea ice «bifurcation» blunder added here: https://judithcurry.com/2012/09/16/reflections-on-the-arctic-sea-ice-minimum-part-i/#comment-241199
The temperature that arctic sea ice melts and freezes is the set point for earth temperature.
The SEARCH Sea Ice Action Team guides the direction and activities of the Sea Ice Action Network, which communicates efforts to collaboratively understand the implications of diminishing arctic sea ice.
«Now we're building on that foundation to explain how another component in the climate system — arctic sea ice — contributes to winter weather patterns across the Northern Hemisphere,» said Ron Isaacs, AER president and chief executive officer.
Advance research on the interactions between arctic sea ice and global physical systems such snow cover extent, ocean and atmospheric circulation patterns, and mid-latitude effects.
Just after the June Outlook was completed (based on May data), arctic sea ice extent briefly set record daily rates of loss.
The summer arctic sea ice extent, in contrast, has been significantly under predicted by the models, while the summer Antarctic sea ice extent increase has been missed by the models.
Zhang, J., M. Steele, and R. Woodgate, The role of Pacific water in the dramatic retreat of arctic sea ice during summer 2007, J. Polar Science, 19 (2), 93 - 107, 2008.
The most recent calculations of ice mass balance in the antarctic also do indicate loss of ice, though nothing close to the changes seen in the arctic sea ice and Greenland ice sheet.
As such, we argued that the scientific understanding of arctic sea ice decline and polar bear ecology is more credible than the viewpoints put forward on contrarian blogs.
An interesting newcomer to the public discussion of arctic sea ice; fabulous visualizations and good insights [link]
Al Gore and his ilk have to keep the focus on stuff beyond the reach of the average person (like glaciers and arctic sea ice).
(11/24/2011) Recent arctic sea ice loss is «unprecedented» over the past 1,450 years, concludes a reconstruction of ice records published in the journal Nature.
Satellite data since 1978 show that annual average arctic sea ice extent has shrunk by 2.7 [2.1 to 3.3] % per decade, with larger decreases in summer of 7.4 [5.0 to 9.8] % per decade.
The outlook for arctic sea ice for September 2009, based on June data, indicates a continuation of low pan-arctic sea ice extent and no indication that a return to historical levels will occur.
rises, to the cold pdo / more la ninas, no further ocean heat content rise, to antarctica sea ice expansions, while the arctic sea ice is no longer on the decline, to arctic temp.
If this pattern should be reestablished it would likely lead to a stronger reversal of the decline in arctic sea ice.
We also have evidence for model deficiency - e.g., underestimating the rate of arctic sea ice loss, and for other variables / statistics it is unclear how they are doing.
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