Interview with Dan about this paper on the Reviewer 2 podcast https://open.spotify.com/episode/0Ic5LLIcL0UvhBnXDQT3HE?si=nbRuQuiUSceDtaQeb11z4w
On Sat, 11 Jul 2020, 08:40 Andrew Lockley, <[email protected]> wrote: > https://www.essoar.org/doi/abs/10.1002/essoar.10503509.1 > > Reduced poleward transport due to stratospheric heating under > geoengineering > Authors > Daniele Visioni > iD > Isla Ruth Simpson > iD > Douglas G MacMartin > iD > Jadwiga H. Richter > Ben Kravitz > iD > Walker Lee > See all authors > Published Online:Sun, 5 Jul 2020 > DOI:https://doi.org/10.1002/essoar.10503509.1 > Download PDF > About > Tools > > Abstract > By injecting SO2 into the stratosphere at different latitudes, it might be > possible to reduce global mean surface temperature and to minimize changes > in the equator-to-pole and inter-hemispheric gradients, reducing some of > the impacts arising from climate change relative to equatorial SO2 > injection. This can happen only if the resulting aerosols are transported > to higher latitudes by the stratospheric circulation, ensuring that a > greater part of the solar radiation is reflected back to space at higher > latitudes, compensating for the reduced sunlight there. However, the > stratospheric heating produced by these aerosols modifies the global > circulation and strengthens the stratospheric polar vortex that acts as a > barrier to the transport of air towards the poles. We show how this heating > results in a nonlinear feedback where increasing injection rates lead to a > stronger high latitudinal transport barrier. This implies a potential > limitation in the high-latitude aerosol burden and subsequent high-latitude > cooling. > -- 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-07fr1SiSMRsjHxTdHcH6RrhmzxVTgpUZyw64MCsVfAk9w%40mail.gmail.com.
