Education

PhD, Columbia University, 2000

Description

Bluewater physical oceanographer

Research interests

I am interested in the circulation and thermohaline balances of the ocean on global and regional scales. My current research focuses on the the Atlantic meridional overturning circulation (AMOC), a component of the global thermohaline circulation (THC), and its role in seasonal to decadal climate change. I'm particularly interested in the net effects of mesoscale phenomena and mesoscale variability on the Atlantic MOC, and in the development of improved methodologies for measuring and monitoring mesoscale and sub-mesoscale flows on interbasin scales.

I work mostly in the southern hemisphere, which is poorly observed relative to the northern one, and specialize in ocean currents around Africa and in the South Atlantic Ocean including the South Atlantic Current, Benguela Current, Agulhas Current, Agulhas Return Current, and Mozambique and East Madagascar Currents. I have also worked in the Drake Passage, the Weddell Sea, and in the Gulf of Maine.

I use an instrument called an Inverted Echo Sounder (IES) to measure ocean thermal profiles acoustically as well as making more traditional measurements. I also work with satellites and specialize in combining satellite and field measurements in new and innovative ways.

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