William, can you talk about the lakes and rivers below the ice cap?
I've seen news that Lake Vostok, for example, may not be isolated,
based on detection of sequential surface elevation changes that would
indicate motion of substantial amounts of water under the ice. No
mention of outbreaks at the edge of the ice as far as I know.
But at the depth of the bottom of the ice, well below sea level ---
do you have any idea what's happening? I know BAS was supposed to be
running submersibles in under the edge of the ice (was it BAS that
lost one?) I'd imagine some kind of remote flow sensors must be
being placed where subglacial water would be found coming out, that
could test for variations in rate or salinity or temperature.
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