The Interdisciplinary PhD Program in Earth System Science (ESS) prepares students to address complex, coupled Earth system processes using integrated approaches drawn from geology, geography, environmental science, geochemistry, geophysics and spatial analysis. The program emphasizes research excellence, critical thinking and interdisciplinary collaboration to advance understanding of Earth’s dynamic systems.
PhD candidates work closely with faculty mentors to design and conduct original research that contributes to fundamental science and real-world solutions.
- Interdisciplinary curriculum spanning physical, chemical, biological and spatial perspectives
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Research training in Earth system dynamics, environmental change and geospatial methods
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Collaborative faculty mentorship across geoscience specialties
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Significant research component culminating in a doctoral dissertation
The program prepares graduates for careers in academic research, government agencies, environmental consulting, natural resource management and related fields.
The ESS PhD curriculum combines core interdisciplinary coursework with advanced seminars, research methods training and dissertation research.
Minimum Requirements
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Total hours: A minimum of 60 graduate credit hours beyond the bachelor’s degree
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Core courses: Emphasis on Earth system science foundations, research design and quantitative methods
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Seminars: Participation in departmental and interdisciplinary research seminars
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Research credits: Significant credit hours applied to dissertation research
Students may petition to count up to 30 hours of relevant graduate coursework from a completed master’s degree toward the 60-hour requirement, subject to approval by the ESS program coordinator and Graduate School.
A personalized Plan of Study is developed in consultation with the student’s adviser and advisory committee early in the program. The plan ensures that coursework aligns with the student’s research goals and meets university requirements.
Prior to advancing to candidacy, students must pass a comprehensive examination that demonstrates mastery of core Earth system science principles and research readiness.
A significant portion of the PhD degree is devoted to dissertation research conducted under the guidance of the student’s adviser. Upon completion of original research, the student must successfully defend the dissertation before the advisory committee.
Students in the ESS PhD program engage in research across a broad range of Earth system topics, including but not limited to:
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Earth surface processes and landscape dynamics
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Climate variability and paleoclimate reconstruction
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Biogeochemical cycles and environmental change
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Geospatial analysis and Earth observation
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Geochemical and isotope systems
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Subsurface structure and geophysical imaging
Many students participate in funded research projects and collaborate with faculty across COSAM, other colleges at Auburn and external agencies.
Qualified applicants are considered for competitive graduate assistantships that provide:
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Stipend support
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Tuition assistance
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Opportunities to gain research or teaching experience
Prospective students are encouraged to contact potential faculty advisers to discuss research alignment and funding opportunities.
Applicants must apply through the Auburn University Graduate School and meet general graduate admission requirements.
Required materials typically include:
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Official academic transcripts
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Statement of purpose
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Letters of recommendation
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Curriculum vitae
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GRE scores (if required — check current Graduate School policies)
Applicants should specify Earth System Science as their program of interest and identify potential faculty mentors in their statement.
For more information about the ESS PhD program, contact Chandana Mitra, Program Director.
To apply, click the button below to visit the Auburn University Graduate School's application portal.
