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SUMMARY:The big melt: small cells big consequences - Prof. Liane G. Bennin
 g (GFZ Helmholtz Centre for Geosciences)
DTSTART;VALUE=DATE-TIME:20260213T120000Z
DTEND;VALUE=DATE-TIME:20260213T130000Z
UID:https://talks.ox.ac.uk/talks/id/ae1e322e-b0ac-4a6f-9f55-1bd70a5d2bec/
DESCRIPTION:Climate change enhanced melting of the Greenland Ice Sheet has
  long passed the 1.5˚ C threshold resulting in dramatic melt rates and a 
 large contribution to global sea level rise. Pigmented algae that bloom on
  snow and ice surfaces as well as dark cryoconite materials exacerbate thi
 s melting as they reduce albedo locally by up to 25 %. The algae blooms th
 emselves are fuelled by nutrients\, which they derive from melting snow an
 d ice and mineral dust. Such molecular scale mineral – microbe interacti
 ons play a fundamental role in the landscape-wide processes that shape our
  planet now and in a warmer future. Blooms are triggered annually through 
 the tight interplay between geochemical\, mineralogica\, microbiological a
 nd physical processes that we slowly start to unravel. Combining detailed 
 analyses of inorganic and organic components in snow and ice surface measu
 rements with drone and satellite data we can now determine the role that m
 icrobes and minerals play in shaping landscape scale processes on Greenlan
 d and this helps parameterise global melt and sea level rise model predict
 ions.\nSpeakers:\nProf. Liane G. Benning (GFZ Helmholtz Centre for Geoscie
 nces)
LOCATION:Department of Earth Sciences (Seminar rooms)\, South Parks Road O
 X1 3AN
TZID:Europe/London
URL:https://talks.ox.ac.uk/talks/id/ae1e322e-b0ac-4a6f-9f55-1bd70a5d2bec/
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DESCRIPTION:Talk:The big melt: small cells big consequences - Prof. Liane 
 G. Benning (GFZ Helmholtz Centre for Geosciences)
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