It's possible that only a few small patches are needed to jam glaciers Andrew
On Sun, 21 Jul 2019, 12:03 David Sevier, <[email protected]> wrote: > I believe that it would be possible to stop/ slow down the increased flow > of the Western Antarctica ice sheet by the use of CO2 clathrates. Twenty > years ago I was writing a paper with Klaus Lackner’s help on storing CO2 in > stable Glaciers like the Eastern Antarctica ice sheet. A lot of CO2 could > be stored this way. In my conversations to develop this idea, I talked to a > glaciologist who made comments that have stayed with me. He said that if > large masses of C02 clathrates were created, they would sink steadily > within the glacier because they are heavier than ice and fall to the bottom > of the glacier. There they would not melt like normal ice under pressure as > they are stable up to 8 Celsius. Instead he thought they would act like > glue to stick the glacier to the bedrock. He mused that it would be real > neat to study the effect of this ...... never did publish the paper as > other stuff got in the way. I had worked out how to store a lot of CO2 this > way and how to do it. The idea was to use air based CO2 capture and put > this in the glacier as clathrates. > > Perhaps this should be looked as away to slow the glacier collapse? Would > not be that hard to do (but will still cost quite a lot of money as this > will be an expensive environment to do work in) and would give a much > needed application for air based CO2 capture. > > Dave > > Sent from my iPad > > On 21 Jul 2019, at 4:23 am, Russell Seitz <[email protected]> wrote: > > " I haven't checked, could filling these depressions give a significant > reprieve from rising seas?" > > No. Less than a centimeter of sea level rise would fill them all to the > brim, including elevated basins like Turfan. > > > On Thursday, July 18, 2019 at 1:21:27 PM UTC-4, Ernie Rogers wrote: >> >> The story about melting of the West Antarctic Ice Shelf is terrifying. >> Surely this is the kind of challenge we mean by the term "geoengineering." >> It seems there may be too solutions: hold the water (ice) right >> where it is, or--find someplace to put it. I would like to talk about the >> second route. There are rather large areas of the earth that are very dry >> and below sea level. >> https://geology.com/below-sea-level/ >> Why not put the water there? The Caspian depression is about 90 feet >> deep and covers about 200,000 square miles. The Dead Sea depression is >> very deep and fairly large. I haven't checked, could filling these >> depressions give a significant reprieve from rising seas? >> I believe there are economic benefits of a sea level canal to the >> Caspian that could make it a profitable venture. I think China would be >> willing to pay for it--it could give them a shorter shipping route to >> Europe. I'm not an expert--what do you think? Is someone working on this? >> > -- > 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/489b0926-144d-4de9-8346-a3c021ae1ac9%40googlegroups.com > <https://groups.google.com/d/msgid/geoengineering/489b0926-144d-4de9-8346-a3c021ae1ac9%40googlegroups.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/300EF465-C997-4394-BD41-98AFF57E6536%40carbon-cycle.co.uk > <https://groups.google.com/d/msgid/geoengineering/300EF465-C997-4394-BD41-98AFF57E6536%40carbon-cycle.co.uk?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/CAJ3C-04jddWMFOqnfQoo2rBFrU4oArit6Gz9K6e7EqYzCKr8gg%40mail.gmail.com.
