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VSP | CGC Hosts Database

Database of CGC Hosts
Project Description

Columbia University

Contact Info

Columbia University
Earth and Environmental Sciences
Lamont-Doherty Earth Observatory
61 Rt. 9W
Palisades, NY 10964

Sidney R Hemming

Phone: (845) 365-8417
Fax: 845-365-8155
Email: sidney@ldeo.columbia.edu

Fields of Interest

Abrupt climate change, paleo-ocean circulation, proxy development

Description of Scientific Projects

Current projects include: characterization of sediment sources around Antarctic to probe the subice geology and to provide a database for ice rafted detritus and paleocurrent studies; paleohydrological change in the Mono Basin, western United states; high precision dating of volcanic ashes interbedded with lake sediments in the Eocene Green River Formation of Wyoming Colorado and Utah to quantify sedimentary cyclicity in a greenhouse climate; North Atlantic ice rafting and abrupt climate change; paleo-water mass variations using Nd isotopes from authigenic ferromanganese oxides; development of sediment tracer approaches to study variations in ocean currents in the past

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