Levels much lower than that are regularly detected by satellite (in terms of aerosol/gas species). Depends what you are trying to detect...
Sent from my iPhone > On 29 Jan 2014, at 18:21, Fred Zimmerman <[email protected]> wrote: > > > Money quote: > >> The perspective article shows, for example, that a three-month experiment >> in the equatorial zone would need to cause an increase in sunlight >> reflection that is three times as large as what occurred when Mount Pinatubo >> erupted in 1991 to exceed the background variability and be detected. > > I remember hearing David Keith express high confidence that we would be able > to detect SRM, this seems to take a different view. Thoughts? > > > > --- > Fred Zimmerman > Geoengineering IT! > Bringing together the worlds of geoengineering and information technology > GE NewsFilter: http://geoengineeringIT.net:8080 > > >> On Wed, Jan 29, 2014 at 9:51 AM, Stephen Salter <[email protected]> wrote: >> Hi All >> >> The site >> >> http://www.nature.com/nclimate/journal/v4/n2/pdf/nclimate2076.pdf >> >> has an interesting paper on the detection problem. >> >> Stephen >> -- >> Emeritus Professor of Engineering Design School of Engineering University of >> Edinburgh Mayfield Road Edinburgh EH9 3JL Scotland [email protected] Tel +44 >> (0)131 650 5704 Cell 07795 203 195 WWW.see.ed.ac.uk/~shs >> >> The University of Edinburgh is a charitable body, registered in >> Scotland, with registration number SC005336. >> >> -- >> 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.
