Dear Alan and All, Here is a video we produced at Colby on energy consumption (not global warming) using lightbulbs. The tall gentleman on the library steps is Sherry Rowland. Perhaps someone could make an array of Christmas tree lights?
http://www.youtube.com/watch?v=YSPJOTX06JU Jim Fleming On Tue, Oct 1, 2013 at 4:59 PM, Alan Robock <[email protected]>wrote: > Dear David, > > I think an array of incandescent light bulbs around the world would work > much better. If you have 100 W bulbs, and want to model an imbalance at > the surface of 1 W/m2, then you will need one light bulb every 100 m2, > multiplied by 1 over the fraction of energy emitted by each bulb that is > heat rather than light. Light bulbs in an array separated by 5-10 m on a > side would not perhaps seem dramatic, but if you would zoom out and see > them everywhere on Earth, it could be. > > Alan Robock > > Alan Robock, Distinguished Professor > Editor, Reviews of Geophysics > Director, Meteorology Undergraduate Program > Department of Environmental Sciences Phone: +1-848-932-5751 > Rutgers University Fax: +1-732-932-8644 > 14 College Farm Road E-mail: [email protected] > New Brunswick, NJ 08901-8551 USA http://envsci.rutgers.edu/~robock > http://twitter.com/AlanRobock > Watch my 18 min TEDx talk at http://www.youtube.com/watch?v=qsrEk1oZ-54 > > On 10/1/2013 2:55 PM, David Appell wrote: > > Alan, > > I see your point.... Do you (or does anyone) have a more appropriate > analogy for such large amounts of heat? The tempting thing about the "Hiro" > is it's just the right amount (63 terajoules) for many global climate > numbers.... I have sometimes used "Civ," the power production of all of > human civilization (~15 terawatts), but it's not as intuitive or readily > imagined. > > David > -- > e: [email protected] > w: http://www.davidappell.com > t: @davidappell > b: http://davidappell.blogspot.com > > > On 10/1/2013 11:30 AM, Alan Robock wrote: > > Dear All, > > I think this is a terrible comparison to make and should not be used. I > heard someone this summer who was trained by Al Gore use this and she did > not distinguish between all the effects of atomic bombs and the energy > equivalent of the atomic explosions. > > Equating nuclear war and global warming is a false comparison. Nuclear > war is a much worse fate for our planet, and is a scare tactic. The number > is correct (I did the calculation myself when I first heard of this), but > trapping energy has completely different effects from dropping nuclear > bombs on people. Using this is distracting, sensational, and easy to > refute if the speaker does not carefully explain that it is the energy > released by the bombs, with no other effects including radioactivity, > fires, and blast. > > I told John Cook this at the AGU Chapman Conference on Climate > Communication this summer, and he said he would consider this > recommendation, but I don't know if he plans to continue to feature this > idea on Skeptical Science. > > But see > http://thebulletin.org/how-many-hiroshimas-does-it-take-describe-climate-changefor > another point of view. > > Alan > > Alan Robock, Distinguished Professor > Editor, Reviews of Geophysics > Director, Meteorology Undergraduate Program > Department of Environmental Sciences Phone: +1-848-932-5751 > Rutgers University Fax: +1-732-932-8644 > 14 College Farm Road E-mail: [email protected] > New Brunswick, NJ 08901-8551 USA http://envsci.rutgers.edu/~robock > http://twitter.com/AlanRobock > Watch my 18 min TEDx talk at http://www.youtube.com/watch?v=qsrEk1oZ-54 > > On 10/1/13 1:22 PM, Greg Rau wrote: > > To amplify Al's "400,000 Hiroshimas/day" statement below see: > > http://theconversation.com/four-hiroshima-bombs-a-second-how-we-imagine-climate-change-16387 > > It's actually 345,600 Hiroshimas/day or 4 bombs/sec, but you get the > idea. 90% of the heat is going into the ocean. This would seem a powerful > analogy (minus the radionuclides) for what we are doing to the planet and > why we need to intervene. > Greg > > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/groups/opt_out. > > > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- > You received this message because you are subscribed to the Google Groups > "geoengineering" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/groups/opt_out. > -- James Fleming On Sabbatical STS Program Colby College Web: http://www.colby.edu/profile/jfleming <http://web.colby.edu/jfleming> -- You received this message because you are subscribed to the Google Groups "geoengineering" group. 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