Well, maybe what that says is that we should simply consider SRM in the same context as mitigation and adaptation proposals. Everything winds up coming out of the same RF/carbon budget. We need a global systems solution anyway.
--- Fred Zimmerman Geoengineering IT! Bringing together the worlds of geoengineering and information technology GE NewsFilter: http://geoengineeringIT.net:8080 On Tue, Sep 24, 2013 at 10:08 AM, Ken Caldeira < [email protected]> wrote: > As per my earlier email seeking a new definition of "geoengineering", what > is the point of lumping all SRM and CDR techniques together and not > considering the entire range of mitigation (and possibly adaptation) > proposals? > > Many CDR techniques (e.g., BECCS, DAC) have far greater similarity with > conventional mitigation approaches than they do with spraying aerosols in > the stratosphere. > > see: https://groups.google.com/forum/#!topic/geoengineering/xsD3wqMahbc > > > _______________ > Ken Caldeira > > Carnegie Institution for Science > Dept of Global Ecology > 260 Panama Street, Stanford, CA 94305 USA > +1 650 704 7212 [email protected] > http://dge.stanford.edu/labs/caldeiralab @kencaldeira > > > > > On Tue, Sep 24, 2013 at 3:57 PM, Andrew Lockley > <[email protected]>wrote: > >> Fred >> >> John Shepherd (cc) did a graphical analysis of this issue, which I found >> very helpful. >> >> I've cc'd him, and maybe he can provide the graph. >> >> A >> On Sep 24, 2013 2:54 PM, "Fred Zimmerman" <[email protected]> >> wrote: >> >>> We spend a lot of time discussing the merits of individual approaches to >>> geoengineering and arguing for prioritizing one or the other. >>> >>> Assuming hypothetically that >>> >>> 1) all methods, all flavors of SRM/CDR are "approved" by a governance >>> authority >>> 2) all methods, all flavors are assigned values for "years to >>> deployment" and "RF per year" and "cost per unit of RF" >>> >>> has anyone done an exercise modeling the optimum mix across all >>> methods/all flavors? if some methods/flavors are disapproved? if values >>> are modified? >>> >>> >>> --- >>> Fred Zimmerman >>> Geoengineering IT! >>> Bringing together the worlds of geoengineering and information technology >>> GE NewsFilter: http://geoengineeringIT.net:8080 >>> >>> -- >>> 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.
