Global analysis reveals climatic controls on the oxygen isotope composition of cave drip water

δ18O of speleothems are a widely used paleoclimate proxy. Here, the authors conduct a global analysis of cave drip water δ18O compositions and find that drip waters from warmer climates have a seasonal bias toward precipitation δ18O of recharge periods, unlike in cooler climates where drip waters ma...

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Autores principales: Andy Baker, Andreas Hartmann, Wuhui Duan, Stuart Hankin, Laia Comas-Bru, Mark O. Cuthbert, Pauline C. Treble, Jay Banner, Dominique Genty, Lisa M. Baldini, Miguel Bartolomé, Ana Moreno, Carlos Pérez-Mejías, Martin Werner
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
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Acceso en línea:https://doaj.org/article/796cc0681a8a466a8d693c8cf617b6a6
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Sumario:δ18O of speleothems are a widely used paleoclimate proxy. Here, the authors conduct a global analysis of cave drip water δ18O compositions and find that drip waters from warmer climates have a seasonal bias toward precipitation δ18O of recharge periods, unlike in cooler climates where drip waters match well with recharge-weighted δ18O.