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CATEGORIES:Scott Polar Research Institute - Polar Physical Sc
 iences Seminar
SUMMARY:The flow pattern evolution of the Scandinavian Ice
  Sheet reconstructed from high-resolution mapping 
 of subglacial bedforms. - Frances Butcher\, Univer
 sity of Sheffield 
DTSTART;TZID=Europe/London:20240229T160000
DTEND;TZID=Europe/London:20240229T170000
UID:TALK212191AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/212191
DESCRIPTION:The Scandinavian Ice Sheet (SIS) reached its maxim
 um extent over Fennoscandia and Northern Europe ~2
 1–20 ka. At its maximum volume\, the SIS hosted ap
 proximately 15 m sea level equivalent of water. Wh
 en it retreated\, this water was delivered to the 
 oceans\, and the SIS left a rich variety of glacia
 l landforms which can be used to reconstruct the i
 ce sheet and its evolution over time. Empirical re
 constructions of past ice sheets based on observat
 ions of their landform records can be used to bett
 er understand ice sheet dynamics and their respons
 es to climate changes. In this talk\, I will prese
 nt a new reconstruction of the flow pattern evolut
 ion of the SIS derived from extensive subglacial b
 edform mapping using new high-resolution (metre-sc
 ale) digital elevation models over Finland\, Swede
 n\, and Norway. I will present this in its context
  as a part of the ERC-funded PALGLAC project (PI P
 rof. C. Clark). PALGLAC is combining multiple obse
 rvational ingredients to produce a new empirical r
 econstruction of the entire Scandinavian Ice Sheet
 \, and combining this with data-model comparison a
 pproaches to improve numerical model representatio
 ns of ice sheet dynamics and evolution. Such insig
 hts are important to improve our understanding of 
 the potential responses of Earth’s contemporary ic
 e sheets to anthropogenic climate change\, and thu
 s their likely future contributions to global sea 
 level rise.
LOCATION:Scott Polar Research Institute\, main lecture thea
 tre
CONTACT:
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