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SUMMARY:Atmospheric oxygen: Useful for more than just breathing... - Andre
 w Manning - University of East Anglia
DTSTART:20160906T130000Z
DTEND:20160906T143000Z
UID:TALK67379@talks.cam.ac.uk
CONTACT:Dr Anna Jones
DESCRIPTION:Despite decades of research\, we still have poor understanding
  of the global and regional carbon cycle\, and with significant uncertaint
 y on how the carbon cycle is responding to climate change.  Is it then any
  wonder that the world's governments continue to drag their feet on fossil
  fuel emissions mitigation (despite rhetoric to the contrary).  Currently\
 , the natural land and ocean carbon sinks give humanity a "free ticket"\, 
 in that they are absorbing roughly half of the CO2 we emit into the atmosp
 here\, greatly reducing the severity of climate change. But for how long?\
 n\nAtmospheric oxygen (O2) is consumed at the same time that fossil fuels 
 emit CO2\; conversely\, atmospheric O2 is emitted at the same time that la
 nd plants grow and absorb CO2.  But ocean processes do not exhibit the sam
 e anti-correlation between CO2 and O2 fluxes. These couplings and decoupli
 ngs between CO2 and O2 result in O2 being a powerful atmospheric tracer\, 
 providing new insights into the carbon cycle.  In this seminar\, I will hi
 ghlight some exciting applications of atmospheric O2 measurements\, includ
 ing: O2 from BAS's Halley Research Station\, verification of fossil fuel C
 O2 emissions\, quantifying carbon sinks\, O2 in terrestrial ecology\, and 
 O2 in China\n
LOCATION:room 187\,  British Antarctic Survey\, High Cross\, Cambridge\, C
 B3 0ET
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