For example, if it made skies whiter, it could potentially be more difficult (or easier) for drivers to pick out pedestrians. Over billions of people and decades, this could have a significant effect.
Andrew Lockley On Sun, 7 Apr 2019, 17:01 Douglas MacMartin, <[email protected]> wrote: > There’s not that much ground-based astronomy in UV, relative to optical > and IR astronomy. > > > > Impact on optical astronomy is straightforward; if you lose 5% of the > direct light, you need 5% longer integration time to get same number of > photons. > > > > Impact on IR astronomy is less obvious, as limited by the background from > the sky, which depends on water vapour and temperature through the > atmospheric column (with most telescopes being at 14000’ or so). Shouldn’t > be hard to estimate, I’ve never gotten someone interested enough to do the > calculations but I could try again (my other job is being on the design > team for the Thirty Meter Telescope). > > > > I did ask people whether they noted anything after Pinatubo, and the > answer I got was no… that doesn’t mean there wasn’t an effect, but it > wasn’t something that the astronomy community by and large remembered. > > > > *From:* [email protected] <[email protected]> *On > Behalf Of *Russell Seitz > *Sent:* Sunday, April 7, 2019 9:31 AM > *To:* geoengineering <[email protected]> > *Subject:* [geo] Re: SRM optical impacts > > > > Why would reductions in the downwelling tropospheric light flux > increase any of the above? I'd instead ask instrumental astromomers > what they think SO2 scattering would do in the UV , as they have a lot to > lose from scattered light, which can cost them contrast and degrade the > signal to noise ratio in interferometry and spectroscopy. > > > > Try the Magellan and OWL teams > > On Wednesday, April 3, 2019 at 7:47:35 AM UTC-4, Andrew Lockley wrote: > > Has there been any investigation of SRM effects on vision? Eg perceived > glare, macular degeneration, corneal sunburn, vision development in > infants, object recognition when driving (and their equivalent in animals)? > > > > Andrew Lockley > > -- > 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 https://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/d/optout. > > -- > 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 https://groups.google.com/group/geoengineering. > For more options, visit https://groups.google.com/d/optout. > -- 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 https://groups.google.com/group/geoengineering. For more options, visit https://groups.google.com/d/optout.
