Re: [geo] Hurricane weakening via Marine Cloud Brightening MCB

2012-12-08 Thread Stephen Salter
Mike The growth of a hurricanes depends on positive feedback so it is easier to stop them early. Once they are really going people are terrified of legal liability and so do nothing. Stephen On 08/12/2012 01:19, Mike MacCracken wrote: Hi John, Kelly, ad Armand--With respect to hurricane

Re: [geo] Hurricane weakening via Marine Cloud Brightening MCB

2012-12-08 Thread Mike MacCracken
Hi Stephen--While I agree it would be easier to get them early, the challenge is that they can generate over a quite large area (Mercator maps make the tropics look smaller than they really are) and so it almost seems that limiting them (except perhaps in their later stages in the Gulf of Mexico

RE: [geo] Hurricane weakening via Marine Cloud Brightening MCB

2012-12-08 Thread John Latham
Gene, I share your sentiments entirely. Taking Sandy's $80 billion + with concomitant personal agonies, add to that, from a few weeks later, the tragic loss of more than 500 lives in the Phillipines, and extrapolate into the future, we create an utterly devastating picture. Our problem is

Re: [geo] Hurricane weakening via Marine Cloud Brightening MCB

2012-12-08 Thread Mike MacCracken
Hi Stephen--Thanks for suggestion. I wonder, however, if one cools one spot, they will just form somewhere else--tropical cyclones in the Pacific don't seem to need the Sahara to be generating eddies to get them going. And, actually, Mercator does shrink the tropics, and to have a feel for how

Re: [geo] Re: Congressional Ctte Geoengineering I - Assessing the Implications of Large-Scale Climate Intervention on YouTube

2012-12-08 Thread rongretlarson
Russell and list: Perhaps your comment was meant to wonder why we are being told of this three years later by Andrew. In Andrew's defense, let me note several other factors: a. This (Nov. 5, 2009) was just put up a few days ago by a Mr. Jim Lee. b. Looking at this will lead you to two more

[geo] At his AGU Tyndall Lecture: Raymond Pierrehumbert calls SRM geoengineering ideas crazy, and barking mad

2012-12-08 Thread David Lewis
AND, he added: the modelling technology is not even up to doing this adequately *despite what some aggressive proponents of geoengineering say* . Raymond made his comments on geoengineering during the QA after his talk. The full text of his geoengineering remarks, which occur starting around