Recent Dissertations and Theses


Water and Volatile Element Accretion to the Inner Planets

Adam Sarafian, Ph.D., 2018
Sune Nielsen, Co-Advisor
Horst Marschall, Co-Advisor


Influence of Meltwater on Greenland Ice Sheet Dynamics

Laura Stevens, Ph.D., 2017
Sarah Das, Advisor

Geophysical and Petrological Constraints on Ocean Plate Dynamics

Emily Sarafian, Ph.D., 2017
Rob Evans, Co-Advisor
Glenn Gaetanni, Co-Advisor

Trace Element Proxies and Mineral Indicators of Hydrothermal Fluid Composition and Seafloor Massive Sulfide Deposit Formation Processes

Guy Evans, Ph.D., 2017
Margaret Tivey, Advisor

Reconstructing Deglacial Ocean Ventilation Using Radiocarbon: Data and Inverse Modeling

Ning Zhao, Ph.D., 2017
Lloyd Keigwin, Advisor

Geophysical and Geochemical Constraints on the Evolution of Oceanic Lithosphere From Formation to Subduction

Gregory Horning, Ph.D., 2017
Juan Pablo Canales, Co-Advisor
Robert Sohn, Co-Advisor

Coral Biomineralization, Climate Proxies and the Sensitivity of Coral Reefs to CO2-Driven Climate Change

Thomas DeCarlo, Ph.D., 2017
Anne Cohen, Advisor


A Scientific Framework for Evaluating Coral Reef Resilience to Climate Change

Hannah Barkley, Ph.D., 2016
Anne Cohen, Advisor

Little Ice Age Climate in the Western Tropical Atlantic Inferred from Coral Geochemical Proxies

Alice Alpert, Ph.D., 2016
Delia Oppo Co-advisor
Anne Cohen, Co-advisor

Seismic Constraints on the Processes and Consequences of Secondary Igneous Evolution of Pacific Oceanic Lithosphere

Helen Feng, Ph.D., 2016
Dan Lizarralde, Advisor

Plan-View Evolution of Wave-Dominated Deltas

Jaap Nienhuis, Ph.D., 2016
Andrew Ashton, Advisor

Chemical, Isotopic, and Temporal Variations during Crustal Differentiation: Insights from the Dariv Igneous Complex, Western Mongolia

Claire Bucholz, Ph.D., 2016
Oliver Jagoutz


Investigating the Evolution and Formation of Coastlines and the Response to Sea-Level Rise

Alejandra Ortiz, Ph.D., 2015
Andrew Ashton, Advisor

Mechanical and Geological Controls on the Long-Term Evolution of Normal Faults

Jean-Arthur Olive, Ph.D., 2015
Mark Behn, Advisor

Exploring the Climate Change Refugia Potential of Equatorial Pacific Coral Reefs

Elizabeth Joan Drenkard, Ph.D., 2015
Anne Cohen, Co-advisor
Daniel McCorkle, Co-advisor
Kristopher Karnauskas, Co-advisor

Lithospheric Dynamics of Earth's Subduction Zones and Martian Tectonic Provinces

Min Ding, Ph.D., 2015
Jian Lin, Advisor


Quaternary Morphology and Paleoenvironmental Records of Carbonate Islands

Michael Toomey, Ph.D., 2014
Jeffrey Donnelly, Advisor

Amundsen Sea Sea-Ice Variability, Atmospheric Circulation, and Spatial Variations in Snow Isotopic Composition from New West Antarctic Firn Cores

Alison Criscitiello, Ph.D., 2014
Sarah Das, Advisor


Evolution of Oceanic Margins: Rifting in the Gulf of California and Sediment Diapirism and Mantle Hydration During Subduction

Nathaniel Miller, Ph.D., 2013
Daniel Lizarralde, Advisor

Deep Explosive Volcanism on the Gakkel Ridge and Seismological Constraints on Ahallow Recharge at TAG Active Mound

Claire Pontbriand, Ph.D., 2013
Robert Sohn & S. Adam Soule, Advisors

Climate Controls on Coral Growth in the Caribbean

Sara Bosshart, S.M., 2013
Delia Oppo & Anne Cohen, Advisors

The CAFE Experiment: A Joint Seismic and MT Investigation of the Cascadia Subduction System

Shane McGary, Ph.D., 2013
Robert Evans, Advisor


Investigation of the Effect of a Circular Patch of Vegetation on Turbulence Generation and Sediment Deposition Using Four Case Studies

Alejandra Ortiz, S.M., 2012
Heidi Nepf, Advisor

Advanced Geophysical Studies of Accretion of Oceanic Lithosphere in Mid-Ocean Ridges Characterized by Contrasting Tectono-Magmatic Settings

Min Xu, Ph.D., 2012
Juan Pablo Canales, Advisor

Earthquake Behavior and Structure of Oceanic Transform Faults

Emily Roland, Ph.D., 2012
Jeffrey McGuire, Advisor

Aridification of the Indian Subcontinent During the Holocene: Implications for Landscape Evolution, Sedimentation, Carbon Cycle and Human Civilizations

Camilo Ponton, Ph.D., 2012
Timothy Eglinton and Liviu Giosan, Advisors

Determining Timescales of Natural Carbonation of Peridotite in the Samail Ophiolite, Sultanate of Oman

Evelyn Mervine, Ph.D., 2012
Susan Humphris and Kenneth Sims, Advisors

The Centennial and Millennial Variability of the IndoPacific Warm Pool and the Indonesian Throughflow

Fern Gibbons, Ph.D., 2012
Delia Oppo, Advisor

Constraining Circulation Changes Through the Last Deglaciation with Deep-sea Coral Radiocarbon and Sedimentary 231Pa/230Th

Andrea Burke, Ph.D., 2012
Laura Robinson and Olivier Marchal, Advisors

Hydrological and Biogeochemical Cycling Along the Greenland Ice Sheet Margin

Maya Bhatia, Ph.D., 2012
Sarah Das and Elizabeth Kujawinski, Advisors


Quantifying Overwash Flux in Barrier Systems: An Example from Martha’s Vineyard, Massachusetts, USA

Emily Carruthers, S.M., 2011
Jeffrey Donnelly, Andrew Ashton, and Robert Evans, Advisors

Late Holocene Hurricane Activity and Climate Variability in the Northeastern Gulf of Mexico

D. Philip Lane, Ph.D., 2011
Jeffrey Donnelly and Kerry Emanuel, Advisors

Experimental Studies of Melting and Crystallization Processes in Planetary Interiors

Michael Krawczynski, Ph.D., 2011
Timothy Grove, Advisor


Syn-eruptive Degassing of a Single Submarine Lava Flow: Constraints on MORB CO2 Variability, Vesiculation, and Eruption Dynamics

Dorene Samantha Nakata, S.M.
S. Adam Soule, Advisor

Temporal and Petrogenetic Constraints on Volcanic Accretionary Processes at 9-10 Degrees North East Pacific Rise

Christopher L. Waters, Ph.D., 2010
Kenneth W. Sims, University of Wyoming, and Maurice Tivey, Advisors

Controls on Earthquake Rupture and Triggering Mechanisms in Subduction Zones

Andrea Llenos, Ph.D., 2010,
Jeffrey McGuire, Advisor

Coral Calcifications Insights from Inorganic Experiments and Coral Responses to Environmental Variables

Michael C. Holcomb, Ph.D., 2010
Anne Cohen and Daniel McCorkle, Advisors


Basalt Petrogenesis Beneath Slow and Ultraslow-Spreading Arctic Mid-Ocean Ridges

Lynne Elkins, Ph.D., 2009
Kenneth Sims, Advisor

Uranium-Series Radionuclide Records of Paleoceanographic and Sedimentary Changes in the Arctic Ocean

Sharon Hoffmann, Ph.D., 2009
Jerry McManus, Advisor

Tropical Cyclones Within the Sedimentary Record: Analyzing Overwash Deposition from Event to Millenial Timescales

Jonathan Woodruff, Ph.D., 2009
Jeffrey Donnelly, Advisor

Low-Latitude Western North Atlantic Climate Variability During the Past Millennium: Insights from Proxies and Models

Casey P. Saenger, Ph.D., 2009
Delia Oppo, Co-Advisor; Anne Cohen, Co-Advisor


Plagioclase preferred orientation in layered mylonites: Evaluation of flow laws for the lower crust

Luc Mehl, S.M., 2008
J. Gregory Hirth, Advisor

Dismantling the Deep Earth: Geochemical Constraints from Hotspot Lavas for the Origin and Lengthscales of Mantle Heterogeneity

Matthew G. Jackson, Ph.D., 2008
Stanley Hart, Advisor

The Dynamics of Oceanic Transform Faults: Constraints from Geophysical, Geochemical, and Geodynamical Modeling

Patricia Gregg, Ph.D., 2008
Jian Lin, Advisor


Influence of Grain Size Evolution and Water Content on the Seismic Structure of the Oceanic Upper Mantle

James Elsenbeck, S.M., 2007
Dan Lizarralde, Mark Behn, Advisors

Experimental and Observational Constraints on Deformation, Seismicity, and Fluid Transport at Oceanic Spreading Centers

Brian J. deMartin, Ph.D., 2007
J. Gregory Hirth, Advisor

Seismic and Gravitational Studies of Melting in the Mantle's Thermal Boundary Layers

Emily M. Van Ark, Ph.D., 2007
Robert Detrick, Jian Lin, Stephane Rondenay, Advisors

Oceanic Lithosphere Magnetization: Marine Magnetic Investigations of Crustal Accretion and Tectonic Processes in Mid-Ocean Ridges

Clare M. Williams, Ph.D., 2007
Maurice Tivey, Advisor

Geochemical and Rheological Constraints on the Dynamics of the Oceanic Upper Mantle

Jessica M. Warren, Ph.D., 2007
Nobumichi Shimizu, J. Gregory Hirth, Henry Dick, Advisors


Geochemical Tools and Paleoclimate Clues: Multi-Molecular and Isotopic Investigations of Tropical Marine Sediments and Alpine Ice

Matthew Makou, Ph.D., 2006
Timothy Eglinton, Delia Oppo, Advisors

The Influence of Ridge Geometry on Lithospheric Accretion at Ultraslow-Spreading Rates Between 9º-25º E on the Southwest Indian Ridge: Basalt Compositional Sensitivity to Local Tectomagmatic Processes

Jared Jeffrey Standish, Ph.D., 2006
Henry J.B. Dick, Advisor

Gulf Stream Temperature, Salinity and Transport During the Last Millenium

David Lund, Ph.D., 2006
William Curry, Advisor

The Paleoceanography of the Bering Sea During the Last Glacial Cycle

Mea Young S. Cook, Ph.D., 2006
Lloyd Keigwin, Advisor


Slip on Ridge Transform Faults: Insights from Earthquakes and Laboratory Experiments

Margaret Boettcher, Ph.D., 2005
J. Gregory Hirth, Jeffrey McGuire, Advisors

Geochemical Characterization of Endmember Mantle Components

Rhea Workman, Ph.D., 2005
Stanley Hart, Advisor

Tropical Climate Variability from the Last Glacial Maximum to the Present

Kristina Dahl, Ph.D., 2005
Delia Oppo, Advisor

Abrupt Climate Change in the Atlantic Ocean During the Last 20,000 Years: Insights from Multi-element Analyses of Benthic and Planktic Foraminifera and a Coupled OAGCM

Rosemarie Came, Ph.D., 2005
Delia Oppo, Advisor


Effects of Ridge Topography on Marine 3D Magnetometric Resistivity Models

Lisa Lassner, 2004
Robert Evans, Advisor

Reconstructing Long Term Sediment Flux From the Brooks Range, Alaska Using Shelf Edge Clinoforms

Christina Kaba, S.M., 2004
David Mohrig, Advisor

The Evolution of Oceanic Gabbros: In-situ and Ancient Examples

Astri Kvassnes, Ph.D., 2004
Henry J.B. Dick, Advisor

Petrologic and Microstructural Constraints on Focused Melt Transport in Dunites and The Rheology of the Shallow Mantle

Michael Braun, Ph.D., 2004
Peter Kelemen and Greg Hirth , Advisors

Observations and Modeling of Wave-Acceleration-Induced Sediment Transport in the Surfzone

Fernanda Hoefel, Ph.D., 2004
Steve Elgar, Advisor

Quantifying Channelized Submarine Depositional Systems from Bed to Basin Scale

William Lyons, Ph.D., 2004
John Grotzinger and David Mohrig, Advisors


Subduction Dynamics at the Middle America Trench: New Constraints from Swath Bathymetry, Multichannel Seismic Data, and 10Be

Robyn Kelly, Ph.D., 2003
Neal Driscoll and Peter Clift, Advisors

A Radiocarbon Method and Multi-Tracer Approach to Quantifying Groundwater Discharge to Coastal Waters

Carolyn Gramling, Ph.D., 2003
Dan McCorkle, Advisor


Absarokites from the Western Mexican Volcanic Belt: Constraints on Mantle Wedge Conditions

Marc A. Hesse, S.M., 2002
Timothy Grove, MIT, Advisor

The Evolution of Lithospheric Deformation and Crustal Structure from Continental Margins to Oceanic Spreading Centers

Mark Behn, Ph.D., 2002
Jian Lin and Maria Zuber, Advisors


Structure and evolution of an oceanic megamullion on the Mid-Atlantic Ridge at 27° N

Amy R. McKnight, S.M., 2001
Brian Tucholke, Advisor

Crustal Accretion and Evolution at Slow and Ultra-slow Spreading Mid-Ocean Ridges

Allegra Hosford Scheirer, Ph.D., 2001
Jian Lin and Maurice Tivey, Advisors

Interactions Between Mantle Plumes and Mid-Ocean Ridges: Constraints from Geophysics, Geochemistry, and Geodynamical Modeling

Jennifer Georgen, Ph.D., 2001
Jian Lin, Advisor