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satcom15 Tourist Reged: 06/16/07 Posts: 161 Loc: Colorado, USA Re: Wilkins Ice Shelf is disintegrating       07/13/08 06:47 PM Edit   Reply   Quote   Quick Reply   The speed and continued breakup of Wilkins Ice shelf even during the winter is astounding. Thanks for the posts Hill. I wonder, if arctic and antarctic ice melting/disintegrating are accelerating seems like this would result in more open water with less reflection of solar radiation in the polar regions. By themselves, events such as the Wilkens and Larson iceshelf losses of solar radiation reflectance are fairly small in scale. However, do they have a small but postive feedback, growing effect over time? If there is more solar radiation absorbed and reemitted by open water, what does that mean for polar and eventually global temperatures? Will cloud cover increase over the polar regions because of higher atmospheric moisture content? Will the break-up of the iceshelf permit acceleration of antarctic icestreams and thus increases of fresh water in the ocean? What does that mean with respect to ocean salinity and water density in those regions? Do or can these events have consequences with respect to global ocean currents? What is happening under the West Antarctic Ice sheet? Is there erosion of the ice by underlying water? So many questions with no clear cut answers. My fear is that we have embarked on a human caused "experiment" in climate change with no desirable outcome. -------------------- "So we arrived and were able to plant our flag at the geographical South Pole" R. Amundsen 1911 "The Pole. Yes, but under very different circumstances than expected" R. F. Scott 1912 Post Extras

Entire topic Subject Posted by Posted on Wilkins Ice Shelf is disintegrating Hill 03/25/08 08:02 PM Re: Wilkins Ice Shelf is disintegrating kakasucai   06/18/08 02:21 AM Re: Wilkins Ice Shelf is disintegrating satcom15   07/13/08 06:47 PM Re: Wilkins Ice Shelf is disintegrating Hill   07/14/08 01:18 PM Re: Wilkins Ice Shelf is disintegrating (again) blt   06/15/08 12:00 PM Re: Wilkins Ice Shelf is disintegrating (again) Hill   06/17/08 12:45 PM Re: Wilkins Ice Shelf is disintegrating (again) Hill   07/11/08 07:48 PM Re: Wilkins Ice Shelf is disintegrating blt   04/01/08 11:02 PM Re: Wilkins Ice Shelf is disintegrating satcom15   04/04/08 06:52 PM Re: Wilkins Ice Shelf is disintegrating Pragueimp   04/03/08 02:01 AM Re: Wilkins Ice Shelf is disintegrating Ogle_Earth   03/27/08 05:23 PM Re: Wilkins Ice Shelf is disintegrating mspelto   03/30/08 05:15 AM Re: Wilkins Ice Shelf is disintegrating saellis   03/27/08 11:49 AM Re: Wilkins Ice Shelf is disintegrating Pragueimp   03/26/08 07:26 AM Re: Wilkins Ice Shelf is disintegrating Hill   03/26/08 10:38 PM Re: Wilkins Ice Shelf is disintegrating blt   03/29/08 05:54 PM Re: Wilkins Ice Shelf is disintegrating saellis   03/31/08 12:17 PM Re: Wilkins Ice Shelf is disintegrating satcom15   04/01/08 06:52 PM Re: Wilkins Ice Shelf is disintegrating ysb45   07/18/08 07:37 AM Re: Wilkins Ice Shelf is disintegrating Hill   07/18/08 09:31 AM Global Awareness about saving the environment. carelyou007   08/28/08 10:28 PM Re: Wilkins Ice Shelf is disintegrating Groovy23   07/18/08 11:07 AM Re: Wilkins Ice Shelf is disintegrating mspelto   08/26/08 03:12 PM Re: Wilkins Ice Shelf is disintegrating Hill   03/30/08 10:37 PM

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