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Water vapour source impacts on oxygen isotope variability in tropical precipitation during Heinrich events

Lewis (previously Bretherton), Sophie; LeGrande, Allegra N.; Kelley, Maxwell; Schmidt, Gavin A


Water isotope records such as speleothems provide extensive evidence of past tropical hydrological changes. During Heinrich events, isotopic changes in monsoon regions have been interpreted as implying a widespread drying through the Northern Hemisphere tropics and an anti-phased precipitation response in the south. Here, we examine the sources of this variability using a water isotope-enabled general circulation model, Goddard Institute for Space Studies ModelE. We incorporate a new suite of...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Climate of the Past Discussions
DOI: 10.5194/cp-6-325-2010


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