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Author:

Krug, Andrew Zachary

Title:

TAXIC AND PHYLOGENETIC APPROACHES TO UNDERSTANDING THE LATE ORDOVICIAN MASS EXTINCTION AND EARLY SILURIAN RECOVERY

Graduate Program:

Geosciences

Keywords:

recovery
mass extinction
Late Ordovician
diversity

File:

Download Andrew_Z._Krug_Dissertation.pdf

Committee Members:

Mark E Patzkowsky, Committee Chair/Co-Chair
Timothy Bralower, Committee Member
Christopher Howard House, Committee Member
Peter Daniel Wilf, Committee Member
Alan Walker, Committee Member

Author:

Jones, Daniel Seth

Title:

MICROBIAL ECOLOGY AND BIOGEOCHEMISTRY OF SULFIDIC KARST ECOSYSTEMS

Graduate Program:

Geosciences

Keywords:

biogeography
sulfide oxidation
acidophile
karst
Hydrogen sulfide
Acidithiobacillus

File:

Download Jones_dissertation.pdf

Committee Members:

Jennifer Macalady, Dissertation Advisor/Co-Advisor
Jennifer Macalady, Committee Chair/Co-Chair
Matthew Scott Fantle, Committee Chair/Co-Chair
Mark E Patzkowsky, Committee Member
Christopher Howard House, Committee Member
Brian Dempsey, Committee Member

Author:

Rhodes, Matthew E

Title:

The Diversity and Coping Mechanisms of Life Inhabiting the Hypersaline Dead Sea

Graduate Program:

Geosciences

Keywords:

Lateral Gene Transfer
Haloarchaea
Halophile
Dead Sea
Metagenomics

File:

Download Dissertation_Final.pdf

Committee Members:

Christopher Howard House, Dissertation Advisor/Co-Advisor
Christopher Howard House, Committee Chair/Co-Chair
Jennifer Macalady, Committee Chair/Co-Chair
Mark E Patzkowsky, Committee Member
Ming Tien, Committee Member

Author:

Payne, Rebecca

Title:

CO2, O2, and the History of the Greenhouse Effect: Select Problems in the Evolution of Earth's Atmosphere and Climate

Graduate Program:

Geosciences

Keywords:

geoscience
climate
paleoclimate
astrobiology
photochemistry
climate modeling
Archean
Phanerozoic
Earth history
Earth climate
geology

File:

Download RCPayne_PhDdissertation_final.pdf

Committee Members:

James Kasting, Dissertation Advisor/Co-Advisor
James Kasting, Committee Chair/Co-Chair
Christopher Howard House, Committee Member
Julie Genevieve Cosmidis, Committee Member
Raymond Gabriel Najjar, Jr., Outside Member
Mark E Patzkowsky, Program Head/Chair

Author:

Fox, Allison

Title:

Post-depositional Alteration of Organic Material: Implications for Interpreting Molecular Biosignatures

Graduate Program:

Geosciences

Keywords:

Biosignatures
organic matter preservation
carbon isotopes

File:

Download Fox_Thesis_Final.pdf

Committee Members:

Katherine Haines Freeman, Dissertation Advisor/Co-Advisor
Katherine Haines Freeman, Committee Chair/Co-Chair
Christopher Howard House, Committee Member
Julie Genevieve Cosmidis, Committee Member
Kristen Fichthorn, Outside Member
Mark E Patzkowsky, Program Head/Chair

Author:

Reinthal, Mary

Title:

Utilizing 234U/238U and 87Sr/86Sr to understand the provenance and fate of uranium in Shaver’s Creek, Pennsylvania

Graduate Program:

Geosciences

Keywords:

radiogenic isotopes
uranium
fertilizer
agronomy
CZO
critical zone
Shale Hills
Cole Farm
hydrogeology

File:

Download Thesis_Reinthal.pdf

Committee Members:

Susan Louise Brantley, Thesis Advisor/Co-Advisor
Christopher Howard House, Committee Member
Timothy Bralower, Committee Member
Lin Ma, Special Signatory
Mark E Patzkowsky, Program Head/Chair

Author:

Wong, Gregory

Title:

Enhanced Evaluation of Martian Habitability in the Past and Present: The Search for Viable Electron Donors

Graduate Program:

Geosciences

Keywords:

Mars
Astrobiology
Habitability
Geochemistry
Microbiology
Planetary Science

File:

Download Wong_Dissertation_Final.pdf

Committee Members:

Christopher Howard House, Dissertation Advisor/Co-Advisor
Christopher Howard House, Committee Chair/Co-Chair
James Kasting, Committee Member
Julie Genevieve Cosmidis, Committee Member
Suvrath Mahadevan, Outside Member
Mark E Patzkowsky, Program Head/Chair