John Thomas Andrews (John T. Andrews)
Institute of Arctic and Alpine Research University of Colorado Boulder
My research centers on using sediment properties, such as grain-size and X-ray diffraction determined mineralogy, to gain an understanding of ice/ocean interactions. My research centers on the northern marginal seas which link the North Atlangtic Ocdean to the Arctic Ocean. Hence my currently NSF-funded research is focused on the Iceland and Greenland Seas, the Irminger Basin, Baffin Bay, and the Labrador Sea. My temporal interest is broad—the last 2-3 Ma, but in pratical terms my main interest is the last 12,000 years at a century-scale, and the last glacial cycle at a millenial scale. I am particularly interested in the records that span the interval between the Younger Dryas cold event and the so-called Heinrich events numbers 1 to 4. A current research interest is how these are associated with abrupt climate events within Baffin Bay and which are associated with the Innuitian and Greenland ice sheets, and the NE Laurentide Ice Sheet.
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