Dr Paul Halloran
Senior Lecturer


Paul’s primary research interests focus on understanding the role of the marine carbon cycle within the Earth system. His multi-disciplinary background allows this to be tacked in a novel way. Paul’s degree and PhD were in the Department of Earth Sciences in Oxford, where working with Ros Rickaby, he examined ENSO change over the Pliocene, developed novel geochemical climate proxy techniques, and investigated the impact of ocean acidification on calcifying phytoplankton. After his PhD Paul moved to the Met Office Hadley Centre as a scientist, then senior scientist in ocean biogeochemical modeling. In the Hadley Centre Paul was heavily involved in the development, validation and application of the Earth System Model HadGEM2-ES. Working with this model, Paul and colleagues investigated the mechanisms behind novel biogeochemical climate feedbacks, the role of anthropogenic aerosols in recent climate change, reversibility in the earth system and more. In 2013 Paul took up a lectureship in the School of Geography, University of Exeter, where he is working to unite past and future climate research to help improve our understanding of the Earth system.

Please note that I am on shared parental leave from October to December. I will be in the office for short periods throught this leave, but please email me in advance to arrange meetings, and be prepared for a delay in my response.

Office hours: 13.00-14.00 Mondays, 11.30-12.30 Thursdays



Broad research specialisms:

  • Earth System Modeling
  • Ocean Modelling
  • Marine carbon and biogeochemical cycles
  • Palaeoclimate reconstruction


PCAP, Exeter, 2014
PhD, Earth Sciences, Oxford. 2008
MSci, Earth Sciences, Oxford, 2004


Contact details

Internal tel5859
Tel+44 (0) 1392 725859
AddressLaver Building
University of Exeter
North Park Road

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