University of Cambridge > > Department of Earth Sciences Seminars (downtown) > The evolution of the geobiological nitrogen cycle

The evolution of the geobiological nitrogen cycle

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If you have a question about this talk, please contact David Wallis.

This is a hybrid event. The talk will be given via Zoom (, and screened live in the Tilley Lecture Theatre.

Nitrogen limits biological productivity in large parts of the modern ocean, and it may have constrained the proliferation of life over Earth’s history. This talk will discuss how nitrogen isotopes can be used to reconstruct the evolution of nitrogen availability through time. Furthermore, hydrothermal vents and lightning will be discussed as potentially important nutrient sources that may have helped sustain the early biosphere.

This talk is part of the Department of Earth Sciences Seminars (downtown) series.

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