Nitrogen isotopes in deep time:

Nitrogen is an essential nutrient for life, and its sources and cycling have varied over earth history. Stable isotope ratios of nitrogen compounds (expressed as δ15N, in ‰) are preserved in the sedimentary record and track these changes, providing important insights into associated biogeochemical f...

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Bibliographic Details
Main Authors: Mettam, Colin ca. 20./21. Jh (Author), Zerkle, Aubrey L. ca. 20./21. Jh (Author)
Format: Electronic eBook
Language:English
Published: Cambridge Cambridge University Press 2021
Series:Cambridge elements
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Online Access:BSB01
FHN01
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Summary:Nitrogen is an essential nutrient for life, and its sources and cycling have varied over earth history. Stable isotope ratios of nitrogen compounds (expressed as δ15N, in ‰) are preserved in the sedimentary record and track these changes, providing important insights into associated biogeochemical feedbacks. Here we review the use of nitrogen stable isotope geochemistry in unravelling the evolution of the global N cycle in deep time. We highlight difficulties with preservation, unambiguous interpretations, and local versus global effects. We end with several case studies illustrating how depositional and stratigraphic context is crucial in reliably interpreting δ15N records in ancient marine sediments, both in ancient anoxic (Archean) and more recent well oxygenated (Phanerozoic) environments
Item Description:Title from publisher's bibliographic system (viewed on 05 Feb 2021)
Physical Description:1 Online-Ressource (20 Seiten)
ISBN:9781108847186
DOI:10.1017/9781108847186

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