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User talk:JDWpianist (view source)
Revision as of 18:02, February 16, 2010
, 18:02, February 16, 2010→{{Lsh|Anthropogenic global warming|theory}}: reply to EdPoor
Were you referring just to [[sea ice]], i.e., floating on the ocean - or to all ice at pole(s) including that on land? Recall that when an iceberg melts it has hardly any effect on sea level. One kilogram of ice displaces one liter of fresh water, and just about the same amount of salt water. --[[User:Ed Poor|Ed Poor]] <sup>[[User talk:Ed Poor|Talk]]</sup> 12:32, 16 February 2010 (EST)
Were you referring just to [[sea ice]], i.e., floating on the ocean - or to all ice at pole(s) including that on land? Recall that when an iceberg melts it has hardly any effect on sea level. One kilogram of ice displaces one liter of fresh water, and just about the same amount of salt water. --[[User:Ed Poor|Ed Poor]] <sup>[[User talk:Ed Poor|Talk]]</sup> 12:32, 16 February 2010 (EST)
:That comment was a response to a picture that Jpatt uploaded, which showed that this year's temperatures for most of the globe were colder than the average of the previous 8 years. The one surprising exception was the polar ice caps, whose temperatures were clearly warmer this year than the average.
:So yes, the segment you just quoted was my understanding of the typical global warming argument, which seems to say that higher temperatures at the poles means a faster increase in sea levels. Perhaps I'm misunderstanding their position, but what I always hear from climatologists in the press is that polar temperatures are their main worry. Maybe you're right -- and I certainly hope that you are -- that polar ice melting would have little effect on sea level. I'm not qualified to judge the facts, but I do attempt to understand both sides, so as not to be duped by propaganda and misinformation. [[User:JDWpianist|JDWpianist]] 13:02, 16 February 2010 (EST)