Browsing Institutt for geofag by Author "Jahren, Anne Hope"
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Cui, Ying; Schubert, Brian A.; Jahren, Anne Hope (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)Abstract Current atmospheric CO2 concentration is known to be higher than it has been during the past ∼800 k.y. of Earth history, based on direct measurement of CO2 within ice cores. A comparison to the more ...
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Hedrick, Valisa E.; Halliday, Tanya M.; Davy, Brenda M.; Zoellner, Jamie M.; Jahren, Anne Hope (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)The δ13C value of blood is a novel proposed biomarker of added sugars (AS) intake. AS prediction equations using either a single- (δ13C) or dual-isotope model (δ13C and δ15N) were previously developed in an adult population ...