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Ocean and Climate Change Institute Fellows

Institute Fellows are selected based on their scientific leadership, their interest and ability to participate in interdisciplinary research, and their ability and willingness to communicate the importance of the Institute's research to the public and policy makers in government.

OCCI Fellow: Kristopher Karnauskas

Fellow Term: August '13 - July '16
Kris is an Associate Scientist in the Department of Geology & Geophysics.  His research aims to understand the dynamics of the tropical ocean and atmosphere as a coupled system, its interaction with ecosystems and with higher latitude regions, how and why the climate system has changed in the past, and how climate will continue to change in the future–both naturally and as driven by human activities.  As an OCCI fellow, Kris will focus on improving our understanding of centennial-scale climate variability by integrating large sets of global climate model simulations with in situ observations, paleoclimate proxies, and high-resolution ocean models.

Previous Ocean and Climate Institute Fellows

Sarah Das

Sarah Das

Fellow Term: May '09 - April '12

Sarah Das is an Associate Scientist in the Geology and Geophysics Department.  Her research interests are in glaciology and paleoclimatology, and the role of the cryosphere in the Earth System.  Much of her current research is directed towards reducing the uncertainty in predictions of rates of future sea-level rise by studying the behavior of large ice sheets in Greenland and West Antarctica.  As an OCCI fellow, she will focus on developing new methods and observations of atmosphere-ocean-ice interactions  to understand ice sheet melting, ice dynamics and meltwater run-off.
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Young-Oh Kwon

Young-Oh Kwon

Fellow Term: May '09 - April '12

Young-Oh Kwon is an Assistant Scientist in the Physical Oceanography Department. His research primarily revolves around one question, ‘what is the role of the ocean in climate?’  More specifically, his research focuses on the variability in the ocean and atmosphere, and the interaction between the two in the extra-tropics with time scales of a few years to several decades.  As an OCCI fellow, he will examine the global climate model simulations and compare them with the observational data, to understand the role of ocean-atmosphere coupling in the decadal climate variability primarily in the North Atlantic and North Pacific.

Delia Oppo

Delia Oppo

Fellow Term: January '06 - December '08

Delia Oppo is a Senior Scientist in the Department of Geology and Geophysics.  As an OCCI Fellow, she will focus on documenting past changes in the North Atlantic and tropics during the Holocene with the overall goal of understanding to what extent, and how, the climate of these regions are linked. She is taking several complementary approaches, utilizing a variety of proxies in sediment and coral archives, and beginning a collaborative modeling project to help place the paleoclimate data in a broader context.

Ruth Curry

Ruth Curry

Fellow Term: January '06 - December '08

Ruth Curry is a Senior Research Specialist in the Department of Physical Oceanography.  In the last ten years, much of her work has revolved around investigations of variability in Atlantic watermasses and ocean circulation as a response to climate forcing.  These include studies of decadal fluctuations in the North Atlantic baroclinic gyre circulation strength, variability in Labrador Sea Water properties and their influence on the subtropical mid-depths, documenting a wholesale shift in the freshwater balance of the Atlantic, identifying changes in net evaporation at low altitudes, and quantifying the amplitude and rates of dilution in the high latitude watermasses—the headwaters of the Atlantic meridional overturning circulation (MOC).

Peter Winsor

Peter Winsor

Fellow Term: April '05 - August '08

Peter Winsor is an Assistant Scientist in the Physical Oceanography Department. He is working on the variability of the stratification of the upper Arctic Ocean and its influence on the Arctic sea-ice cover, where the main feature, the cold halocline layer, prevents upward flux of heat from the relatively warm Atlantic layer to the surface and the sea ice. As a fellow he will continue to model the pathways of the Lake Agassiz freshwater outflow, and investigate how the buoyant plume evolves downstream and interacts with the Gulf Stream near the tail of the Grand Banks.

Jeffrey Donnelly

Jeff Donnelly

Fellow Term: April '04 - March '07

Jeff Donnelly is an Assistant Scientist in the Department of Geology and Geophysics.   His research is primarily focused on examining and quantifying natural archives of Holcene and Pleistocene environmental change.  He uses an interdisciplinary approach, combining the disciplines of sedimentology and stratigraphy, geomorphology, paleoecology, paleoclimatology, and oceanography.  Jeff's fellowship is held jointly between Coastal Ocean Institute and the OCCI.

Bernadette Sloyan

Bernadette Sloyan

Fellow Term: April '04 - July '05

Bernadette Sloyan was an Assistant Scientist in Department of Physical Oceanography.   She works to improve our understanding of the Southern Ocean and its interactions with the adjacent subtropical overturning circulation, with particular focus on its affect on the size and structure of the global meridional overturning circulation.

Scott Doney

Scott Doney

Fellow Term: April '03 - March '06

Scott Doney is an Associate Scientist in Department of Marine Chemistry and Geochemistry.  His work focuses on marine ecosystem dynamics and the role of the ocean in the global carbon cycle.  He is currently examining the impact of human-induced climate change on marine ecosystems and potential feedback mechanisms.

John Toole

John Toole

Fellow Term: June '01 - May '04

John Toole is a Senior Scientist in the Department of Physical Oceanography.   As an OCCI Fellow he led the Institute efforts to establish Station W, a permanent observing system for the Gulf Stream and Deep Western Boundary Current region of the North Atlantic.

Conrad Hughen

Konrad Hughen

Fellow Term: June '01 - May '04

Konrad Hughen is an Assistant Scientist in the Department of Marine Chemistry and Geochemistry.  As an OCCI Fellow he developed high-resolution reconstructions of past climate, ocean circulation and atmospheric chemistry.

Lloyde Keigwin

Lloyd Keigwin

Fellow Term: June '01 - May '04

Lloyd Keigwin is a Senior Scientist in the Department of Geology and Geophysics.  As an OCCI Fellow he pursued his interests in reconstructing the recent geological history of ocean circulation and climate change.

Ray Schmitt

Ray Schmitt

Fellow Term: June '01 - May '04

Ray Schmitt is a Senior Scientist in the Department of Physical Oceanography.  As an OCCI Fellow he pursued research on the global water cycle and how changes in it may affect future ocean circulation and climate variability.