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Mr Serginio Remmelzwaal

Mr Serginio Remmelzwaal

Mr Serginio Remmelzwaal

Geology (PhD)

Area of research

Assessing past oxygen in the ocean using Cr isotopes as a palaeoproxy

+44 (0) 117 954 5243

Summary

My research focusses on the underlying controls on Cr isotope fractionation and element partitioning to further develop a new proxy for redox conditions in palaeo-oceans. This includes a detailed assessment of vital effects in key planktic foraminiferal species using modern foraminifera, as well as a closer look at the partition coefficient and distribution of Cr in benthic and planktic foraminifera using NanoSIMS and laser ablation methods. 

This novel proxy is then applied to study how climate change influenced ocean deoxygenation during the Pleistocene, PETM (56 Ma) and the early Toarcian oceanic anoxic event (183 Ma).

These data will be assessed by comparison with an Earth System model of intermediate complexity (GENIE), which has been successfully applied to anoxic conditions in the Cretaceous before.

Previous research conducted at UCL focused on primary productivity during the Weissert Anoxic Event in the Valanginian using sulphur stable isotopes.

Biography

  • 2014 - present; Geology (PhD); University of Bristol
  • 2010 - 2014; Earth Sciences (MSci); University College London
  • 2014 - 2014; Intercollegiate Student; Imperial College London
  • 2012 - 2013; Exchange Student; University of Washington

Teaching

Demonstrating:

2015/2016 - Sedimentology (2nd year), University of Bristol

2015 - 3rd-year field mapping skills (Assynt, Scotland), University of Bristol

2014/2015 - Geology 1, University of Bristol

2012 - Introduction to Geological Sciences, University of Washington

Keywords

  • Isotope Geochemistry
  • Palaeoceanography
  • Climate modeling
  • Micropalaeontology

Memberships

Organisations

School of Earth Sciences

Postgraduate students

Research groups

Research themes

Interdisciplinary groups

Recent publications

View complete publications list in the University of Bristol publications system

Courses

Mr Remmelzwaal currently teaches 5 courses:

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