Nitrogen Isotopes in Deep Time

Name: Nitrogen Isotopes in Deep Time
Brand: Cambridge University Press
SKU: 9781108810708
Price: 3250 KES
Availability: OutOfStock
ISBN: 9781108810708

by Aubrey L. Zerkle , Colin Mettam

Book Details

Format Paperback / softback

Book Series Elements in Geochemical Tracers in Earth System Science

ISBN-10 1108810705

ISBN-13 9781108810708

Publisher Cambridge University Press

Imprint Cambridge University Press

Country of Manufacture GB

Country of Publication GB

Publication Date Feb 18th, 2021

Print length 28 Pages

Weight 60 grams

Dimensions 15.20 x 22.80 x 0.80 cms

Product Classification: Earth sciences Hydrology & the hydrosphere Hydrology and the hydrosphere Oceanography (seas and oceans)Oceanography (seas)The environment

KSh 3,250.00

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Stable isotope ratios of nitrogen compounds are preserved in the sedimentary record and track these changes over Earth's history, 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.

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 d15N, 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 d15N records in ancient marine sediments, both in ancient anoxic (Archean) and more recent well oxygenated (Phanerozoic) environments.

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