Same here. Suddenly curious about this after having read about it in KSR's book!
On Monday, 11 January 2021 at 01:42:00 UTC [email protected] wrote: > After having read Kim Stanley Robinson's *Ministry for the Future* in > which he gives a depiction of basal meltwater drainage as a near-term scifi > solution(?) to sea level rise, it is totally surreal to read about this in > real peer-reviewed literature. Kudos Andrew, and hope to hear more about > this work on your podcast! > On Friday, 25 December 2020 at 6:44:40 pm UTC+11 Andrew Lockley wrote: > >> https://www.sciencedirect.com/science/article/pii/S1674927820300940 >> >> Glacier geoengineering to address sea-level rise: A geotechnical approach >> Author links open overlay panelAndrewLockleyaJohn C.Moorebd >> https://doi.org/10.1016/j.accre.2020.11.008 >> Get rights and content >> Under a Creative Commons licenseopen access >> Abstract >> It is remarkable that the high-end sea level rise threat over the next >> few hundred years comes almost entirely from only a handful of ice streams >> and large glaciers. These occupy a few percent of ice sheets’ coastline. >> Accordingly, spatially limited interventions at source may provide >> globally-equitable mitigation from rising seas. Ice streams control >> draining of ice sheets; glacier retreat or acceleration serves to greatly >> increase potential sea level rise. While various climatic geoengineering >> approaches have been considered, serious consideration of geotechnical >> approaches has been limited – particularly regarding glaciers. This study >> summarises novel and extant geotechnical techniques for glacier restraint, >> identifying candidates for further research. These include draining or >> freezing the bed; altering surface albedo; creating obstacles: retaining >> snow; stiffening shear margins with ice; blocking warm sea water entry; >> thickening ice shelves (increasing buttressing, and strengthening fractured >> shelves against disintegration); as well as using regional climate >> engineering or local cloud seeding to cool the glacier or add snow. Not all >> of these ideas are judged reasonable or feasible, and even fewer are likely >> to be found to be advisable after further consideration. By describing and >> evaluating the potential and risks of a large menu of responses – even >> apparently hopeless ones – we can increase the chances of finding one that >> works in times of need. >> >> Keywords >> Climate interventionTargeted geoengineeringAntarcticaGreenlandGlaciersSea >> level rise >> > -- 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/d0923ff6-e3b4-4c72-9878-4a7d26bcb3ffn%40googlegroups.com.
