Nitrogen fixation in the past
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Employer: Utrecht University |
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Job location: Utrecht Netherlands |
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Apply before: 30 Oct 2019 |
Summary
For the reconstruction of the past oceanic N-cycle, the PhD candidate will utilize organic biomarkers, particularly those associated with nitrogen fixating cyanobacteria, including symbiotic species.
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Project description: The marine nitrogen cycle, like the marine carbon cycle, is intrinsically linked to global climate dynamics. Despite this, and despite extensive study of the modern-day N-cycle, a thorough understanding of the paleo-N cycle remains elusive. For the reconstruction of the past oceanic N-cycle, the PhD candidate will utilize organic biomarkers, particularly those associated with nitrogen fixating cyanobacteria, including symbiotic species. Furthermore, techniques for compound specific ?15N will be developed and employed to evaluate the isotopic signature of N fixation.
Supervisors: Schouten (NIOZ), Bale
Host institute: NIOZ
Required background/expertise: Geochemistry, stable isotopes, earth sciences, analytical chemistry
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