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knocker

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Everything posted by knocker

  1. Quite true. The average annual loss of mass from the Greenland ice sheet during 2003-2012 has been approximately 234 km3 of water,- or approximately 0,65 mm in average annual contribution to global sea level. Barletta et al. 2012 http://polarportal.org/en/greenland-ice-shelf/nbsp/total-mass-change/
  2. Interesting piece in the Irish Times. I like the quote from Carl Sagan, “We live in a society absolutely dependent on science and technology and yet have cleverly arranged things so that almost no one understands science and technology. That’s a clear prescription for disaster.†Society would benefit from a better understanding of what is and isn’t science A theory is distinguished by having both explanatory and predictive power http://www.irishtimes.com/news/science/society-would-benefit-from-a-better-understanding-of-what-is-and-isn-t-science-1.1458052
  3. I'm sorry, the glacier isn't floating on the sea but is grounded. It;s the massive lumps that calve, (icebergs) that break off when parts move seaward, that are then floating and add to sea level rise. http://nora.nerc.ac.uk/259453/1/Jenkins_preprint.pdf
  4. The last time Watching the birth of an iceberg http://www.eurekalert.org/pub_releases/2011-11/nsfc-wtb110211.php Also of interest Ocean currents speed melting of Antarctic ice A major glacier is undermined from below http://www.eurekalert.org/pub_releases/2011-06/teia-ocs062311.php
  5. Interesting, I didn't realize he was still out on license.
  6. The contribution of the Greenland ice sheet to sea-level rise will continue to increase http://www.eurekalert.org/pub_releases/2013-07/bas-tco070913.php
  7. Sense About Science guide "Making Sense of Uncertainty http://www.senseaboutscience.org/data/files/resources/127/SAS012_MSU_ONLINE.pdf
  8. The original comment was. As the thread is about the 2013 melt, as far as I'm aware nobody was forecasting ice free this summer so this in the plural "ice free Arctic summers not happening" is irrelevant and based on what anyway?
  9. Reply to John. (this is like talking through a third party). I assume the posts are peer reviewed? That's not an accurate quote. And
  10. Hi John, I've replied here otherwise it will be a back-of-the- legs job. One criticism I read. http://www.abc.net.au/science/articles/2013/06/03/3773350.htm
  11. I posted this in the New Research thread on the 30th. May. There have since been some major criticisms of it. https://uwaterloo.ca/news/news/global-warming-caused-cfcs-not-carbon-dioxide-study-says
  12. Well this paper made this of it. Historic Variations in Arctic sea ice. Part II: 1920-1950 http://judithcurry.com/2013/04/10/historic-variations-in-arctic-sea-ice-part-ii-1920-1950/
  13. Some interesting stuff here but it takes time to plough through. AGU Chapman Conference on Climate Science Communication A couple of weeks ago, there was a small conference on Climate Science communication run by the AGU. Both Mike and I attended, but it was very notable that it wasn’t just scientists attending – there were also entertainers, psychologists, film-makers and historians. There were a lot of quite diverse perspectives and many discussions about the what’s, why’s and how’s of climate science communication. http://www.realclimate.org/index.php/archives/2013/07/agu-chapman-conference-on-climate-science-communication/
  14. An interesting paper Keith but why was it necessary to add: This applies to paleometeorologists, polar ice cores, tree rings, pollen, and other proxies? Are you seriously saying that scientists in many disciplines, many of whom think the current warming has at least a partly AGW content are not aware of the past?
  15. Wildfires may contribute more to global warming than previously predicted They suggest that fire emissions could contribute a lot more to the observed climate warming than current estimates show. http://www.lanl.gov/newsroom/news-releases/2013/July/07.09-wildfires-may-contribute-to-global-warming.php
  16. Scientists Image Vast Subglacial Water System Underpinning West Antarctica’s Thwaites Glacier http://www.jsg.utexas.edu/news/?p=4487
  17. I understand your point perfectly Paul. None of this would have arisen if the original post had been in the Arctic thread where it surely belonged and then further discussion would not have been a problem. I can think of a couple of reasons why that thread was chosen but that would be speculation so will desist.
  18. http://www.purdue.edu/discoverypark/climate/assets/pdfs/Patchen%20OP0601.pdf
  19. Warming of the Oceans and Implications for the (Re)insurance Industryhttps://www.genevaassociation.org/media/616661/GA2013-Warming_of_the_Oceans.pdf
  20. In view of the post above and the greater information at the link, I would be grateful if you would elaborate on, "Unprecedented no melting half way though melt season north of 80n". The debate on ice free summers is a separate issue. This is their analysis.
  21. I was actually going to copy the post into my latest post in the Arctic thread which is the only thread that seemed applicable to the original post anyway but decided against because Songster had already adequately replied.
  22. The daily contribution from all points on the ice sheet (top) and the amount accumulated from September 1 until now (bottom). The blue curves show this season’s mass balance measured in gigatonnes (Gt; 1 Gt is one billion tonnes and corresponds to 1 cubic kilometre of water). For comparison the mean curves from the period 1990-2011 are shown (in grey) with two standard deviations on either side. The red line shows the corresponding curve for the 2011-2012 season, when there was very high summer melt in Greenland. http://polarportal.org/en/greenland-ice-shelf/nbsp/surface-conditions/
  23. Rates of change in global temperatures http://www.climate-lab-book.ac.uk/2013/rates-of-change/
  24. Michael Mann Blog. FiveThirtyEight: The Number of Things Nate Silver Gets Wrong About Climate Changehttp://www.huffingtonpost.com/michael-e-mann/nate-silver-climate-change_b_1909482.html
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