John Fegyveresi

About

Dr. John M. Fegyveresi is an Associate Professor of Practice in the School of Earth and Sustainability at Northern Arizona University, where he has been a faculty member since 2019. He also serves as the Graduate Program Director for the Climate Science and Solutions MS program.

Research Interests

Dr. Fegyveresi specializes in glaciology and climate science, focusing on ice core and polar ice sheet analysis to understand past and present climate conditions.

Ice Core and Polar Ice Sheet Analysis

• Ice core physical and chemical property analysis
• Quantifying ice sheet deformation and strain history
• Understanding bubble trapping processes in polar firn
• Polar ice sheet dynamics and behavior

Paleoclimate Reconstruction

• Modeling past polar climates using ice core data
• Development of new paleo-environmental reconstruction proxies
• Climate and environmental condition reconstruction from ice records
• Understanding long-term climate variability in polar regions

Climate Science

• Analysis of ice physical and chemical properties for climate insights
• Integration of field observations with modeling approaches
• Climate change impacts on polar ice systems

Education

• Ph.D. Geosciences, Pennsylvania State University (2015)
• M.S. Geosciences, Pennsylvania State University (2010)
• B.S. Computer Engineering, Case Western Reserve University (1998)

Research Methods and Expertise

Dr. Fegyveresi employs a range of advanced analytical techniques:

• Direct field measurements in polar environments
• Thin-section and micro-CT analyses of ice samples
• Ice-core gas extraction techniques
• Numerical modeling of ice sheet processes

Professional Experience

Academic Career

• Associate Professor of Practice, Northern Arizona University (2025-present)
• Assistant Professor of Practice, Northern Arizona University (2019-2025)
• Graduate Program Director, Climate Science and Solutions MS program (2019-Present)

Research Experience

• Research Physical Scientist (GS-12), US Army Corps of Engineers - Cold Regions Research and Engineering Laboratory (CRREL)

Research Impact

With 60 publications and over 1,700 citations, Dr. Fegyveresi has made significant contributions to understanding polar climate systems and ice sheet dynamics.

Graduate Student Supervision

As Graduate Program Director, Dr. Fegyveresi mentors students in:

• Glaciology and ice core analysis techniques
• Paleoclimate reconstruction methods
• Climate science research design
• Professional development in polar and climate sciences

Field Research

Dr. Fegyveresi conducts field research in polar environments, including:

• Ice core sampling and analysis
• Direct measurements of ice sheet properties
• Field-based studies of polar climate systems

Professional Service

• Graduate Program Director for Climate Science and Solutions MS program
• Contributor to polar and climate science research communities
• Reviewer for glaciology and climate science journals
• Advocate for polar climate research and education