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SUMMARY:Carbon-dioxide motion and reaction in subsurface aquifers - Dr Sil
 vana Cardoso\, CUED
DTSTART:20150220T130000Z
DTEND:20150220T140000Z
UID:TALK53720@talks.cam.ac.uk
CONTACT:Aleksandra Przydrozna
DESCRIPTION:Chemical and physical disequilibrium in the ocean\, atmosphere
  and in the Earth’s subsurface can lead to gigantic convective flows of 
 methane and carbon dioxide. Examples in the atmosphere and oceans include 
 the turbulent plumes formed during the Icelandic volcanic eruption (2010)\
 , the BP oil spill in the Gulf of Mexico (2010)\, and the large number of 
 methane plumes found recently in the Arctic Sea (2013). Whether in natural
  accumulations or during geo-storage in sub-surface saline aquifers\, carb
 on dioxide dissolves in the water contained in the porous rock\; this CO2-
 rich fluid is heavy and sinks driving vigorous laminar convection. In this
  talk\, we focus on the interaction between hydrodynamics and chemistry\, 
 including chemical reaction or dissolution/precipitation\, in such flows. 
 Using complementary theoretical\, numerical and experimental approaches\, 
 we quantify the changes in the patterns of flow and concentration caused b
 y ongoing chemical processes and mixing in the fluids.
LOCATION:LR3B\, Inglis Building\, CUED.
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