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SUMMARY:Earth Systems Palaeobiology: using climate models to better unders
 tand the habitats of marine animals through geologic time - Richard Stocke
 y - University of Southampton
DTSTART:20240122T180000Z
DTEND:20240122T190000Z
UID:TALK209812@talks.cam.ac.uk
CONTACT:Lucas Measures
DESCRIPTION:As Earth warms due to anthropogenic emissions\, the oceans are
  warming and losing oxygen\, posing major threats to marine animal ecosyst
 ems. Earth has warmed and cooled many times before\, and the geologic reco
 rd hosts evidence for ocean deoxygenation and the extinction of marine ani
 mals linked to many of these ancient warming events. Notably\, the impacts
  of warming on ocean environments and marine ecosystems appear to have var
 ied considerably over the Phanerozoic\, with some leading to catastrophic 
 events and others having little-to-no observable impacts on ocean oxygenat
 ion and marine biodiversity. Studies that have tried to link warming and m
 arine extinction at the global scale have been unable to identify unifying
  mechanistic principles that explain this variation in the magnitude of oc
 ean deoxygenation and extinction across ancient climate perturbations\, le
 aving a critical knowledge gap.\n\n \n\nIn my research\, I apply climate m
 odels to address fundamental questions about how environmental change has 
 impacted Earth’s ecosystems through time. By integrating models of ancie
 nt climates\, oceans and ecosystems with more traditional fossil and geoch
 emical data\, we can move from simple correlations to a more mechanistic u
 nderstanding of how environmental change impacted marine ecosystems throug
 h Earth history. We aim to provide a transformative new perspective on anc
 ient environments by linking global-scale climate to the ocean-\, ecosyste
 m- and organism-scales that are critically important to ocean oxygenation 
 and marine animal ecology. The power of Earth system models in simulating 
 ecological responses to deep-time environmental change is only recently be
 ing explored\, so there is lots of exciting research to get involved in!
LOCATION: Harker 1\, Department of Earth Sciences\, Downing Street
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