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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Is this analysis of the probable long term effects of climate change logical?
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<blockquote data-quote="[serious]" data-source="post: 69605724" data-attributes="member: 160873"><p>It seems to be a mashup of several different concepts, so there isn't a single answer here. Quick and dirty response to several concepts the poster discusses:</p><p></p><p>1. "Methane gun" hypothesis: The idea is that rising temps will trigger a relatively sudden methane release causing very extreme warming and potentially destroying most life on earth. This one is exceedingly unlikely. potential methane deposits are far too deep to react quickly to atmospheric temperature changes. </p><p>2. Stalling of ocean currents in the atlantic. It's plausible that melt water from primarily greenland could result in changes to the gulf stream. The gulf stream does seem to be slowing as I recall. A full stall is unlikely though. </p><p>3. Day after tomorrow style ice age. Flat out impossible. My guess is they were looking at ideas about the above gulf stream changes causing a temperature drop in Europe and assumed that it would be a global issue. Speaking of, best sources I've seen seem to indicate that cooling from such a shutdown would be smaller than the increase from warming. </p><p></p><p>Now, as far as some effects of global warming being unavoidable at this point, that's 100% accurate. However, that does not mean we shouldn't do anything about it. If your house is on fire you don't say, "well, my house is already on fire, no sense doing anything about it" you call the fire department and minimize the damage.</p></blockquote><p></p>
[QUOTE="[serious], post: 69605724, member: 160873"] It seems to be a mashup of several different concepts, so there isn't a single answer here. Quick and dirty response to several concepts the poster discusses: 1. "Methane gun" hypothesis: The idea is that rising temps will trigger a relatively sudden methane release causing very extreme warming and potentially destroying most life on earth. This one is exceedingly unlikely. potential methane deposits are far too deep to react quickly to atmospheric temperature changes. 2. Stalling of ocean currents in the atlantic. It's plausible that melt water from primarily greenland could result in changes to the gulf stream. The gulf stream does seem to be slowing as I recall. A full stall is unlikely though. 3. Day after tomorrow style ice age. Flat out impossible. My guess is they were looking at ideas about the above gulf stream changes causing a temperature drop in Europe and assumed that it would be a global issue. Speaking of, best sources I've seen seem to indicate that cooling from such a shutdown would be smaller than the increase from warming. Now, as far as some effects of global warming being unavoidable at this point, that's 100% accurate. However, that does not mean we shouldn't do anything about it. If your house is on fire you don't say, "well, my house is already on fire, no sense doing anything about it" you call the fire department and minimize the damage. [/QUOTE]
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Physical & Life Sciences
Is this analysis of the probable long term effects of climate change logical?
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