I think it would be difficult to get strong public support for this mechanism, even beyond the challenge of getting (any) public support for SAI. By "difficult" I mean, good luck with that.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Jessica Gurevitch Distinguished Professor Department of Ecology and Evolution Stony Brook University Stony Brook, NY 11794-5245 USA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ On Fri, Jun 25, 2021 at 4:19 PM Andrew Lockley <[email protected]> wrote: > Pengfei appears on the reviewer 2 podcast to discuss this paper > > > https://open.spotify.com/episode/2qNxBiuHJI5zWET2GXSy9u?si=62YxobEeT7CjNtjch2cWuw&utm_source=native-share-menu&dl_branch=1 > > I'm curious as to whether one could implement this idea using truck bombs, > or possibly air launched bombs like the MOAB > https://en.m.wikipedia.org/wiki/GBU-43/B_MOAB > > Here's a video of a sulphur based thermobaric charge. The plume isn't very > sooty, but that can be fixed https://youtu.be/xsWrfWJOu4Q > > I'm wondering if you could mix up sulphur powder with inexpensive ANFO > booster, and possibly with liquid oxygen, to make a sooty mushroom cloud > that is dark enough to lift (in sunlight) to the stratosphere. > > Getting the mushroom cloud out the boundary layer should be feasible. > Here's a combat video showing a plume that probably makes it > https://youtu.be/7GzDceVdpMI > Here's another combat video, showing differently formulated explosives, > giving a much darker plume https://youtu.be/v9r0u3dY48o > > I'd welcome ideas on this, particularly from chemists and engineers with > explosives experience. > > Andrew > > > On Sat, 15 May 2021, 20:35 Andrew Lockley, <[email protected]> > wrote: > >> >> https://advances.sciencemag.org/content/7/20/eabe3416 >> >> Toward practical stratospheric aerosol albedo modification: Solar-powered >> lofting >> View ORCID ProfileRu-Shan Gao1,†, View ORCID ProfileKaren H. >> Rosenlof1,*,†, View ORCID ProfileBernd Kärcher2, View ORCID ProfileSimone >> Tilmes3, Owen B. Toon4, View ORCID ProfileChristopher Maloney1,5 and >> Pengfei Yu6,* >> See all authors and affiliations >> >> Science Advances 14 May 2021: >> Vol. 7, no. 20, eabe3416 >> DOI: 10.1126/sciadv.abe3416 >> Article >> Figures & Data >> Info & Metrics >> eLetters >> PDF >> Abstract >> Many climate intervention (CI) methods have been proposed to offset >> greenhouse gas–induced global warming, but the practicalities regarding >> implementation have not received sufficient attention. Stratospheric >> aerosol injection (SAI) involves introducing large amounts of CI material >> well within the stratosphere to enhance the aerosol loading, thereby >> increasing reflection of solar radiation. We explore a delivery method >> termed solar-powered lofting (SPL) that uses solar energy to loft CI >> material injected at lower altitudes accessible by conventional aircraft. >> Particles that absorb solar radiation are dispersed with the CI material >> and heat the surrounding air. The heated air rises, carrying the CI >> material to the stratosphere. Global model simulations show that black >> carbon aerosol (10 microgram per cubic meter) is sufficient to quickly loft >> CI material well into the stratosphere. SPL could make SAI viable at >> present, is also more energy efficient, and disperses CI material faster >> than direct stratospheric injection >> > -- > 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 view this discussion on the web visit > https://groups.google.com/d/msgid/geoengineering/CAJ3C-06eGrYHaB_y2Ru1cFa9OWTMUjgz3c0kNp3F7_5k4Riqkw%40mail.gmail.com > <https://groups.google.com/d/msgid/geoengineering/CAJ3C-06eGrYHaB_y2Ru1cFa9OWTMUjgz3c0kNp3F7_5k4Riqkw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/geoengineering/CA%2BPtSAOWWw_KPNtuLaCw2dvkU01ULnNBk-W7yyGATGyNAa24UQ%40mail.gmail.com.
