Dear Dr Durbrow
It may be possible to test the initial effects marine cloud brightening
in a wide range of conditions at a very small scale.
If you go to www.see.ed.ac.uk/~shs open the /Climate change
folder and download /Field trial simulation you will see how by adding
together a large number of satellite images which have been translated
to make the source positions congruent and then rotated to align local
wind directions you can detect changes to reflected energy which would
not be visible in a single image of a cloud field.
If spray vessels are not ready we might be able to do this from
dust-free land bases with long fetches of sea on both sides. What
happens after the sea surface has been cooled is a bit harder but you
might be able to do something with climate models using the technique
described in /Coded modulation.
Stephen Salter
On 17/01/2014 16:58, Ken Caldeira wrote:
Nobody is proposing tests at this time that will have detectable
climate effects.
People want to better understand local processes. Thus spatially
separated tests should not produce any substantial interference.
_______________
Ken Caldeira
Carnegie Institution for Science
Dept of Global Ecology
260 Panama Street, Stanford, CA 94305 USA
+1 650 704 [email protected]
<mailto:[email protected]>
http://dge.stanford.edu/labs/caldeiralab
https://twitter.com/KenCaldeira
On Thu, Jan 16, 2014 at 6:36 PM, Dr D <[email protected]
<mailto:[email protected]>> wrote:
I'm reading David Keith's book, A Case for Climate Engineering,
and I've gotten to his proposal for phases in climate modification
testing and deployment. It occurred to me, however, that different
climate engineering schemes may occur at the same time… For
example, marine cloud brightening and aerosol injection might be
deployed at the same time in the Pacific. How then do we evaluate
each if they occur simultaneously in roughly the same area? Thanks
for any insight here….
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