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PhD - Doctor of Philosophy in Earth Sciences The Ohio State University



Course info


The graduate degree program in the School of Earth Sciences provides students the opportunity to develop advanced professional training in the Earth and Environmental Sciences and Geodetic Science.

As a student in the School of Earth Sciences, you will:

  • Investigate the history of our planet, its material structure and resources, and the processes that have driven its evolution and continue to shape our environments.
  • Study the Earth’s interior and surface, its oceans, freshwaters and glaciers, its atmosphere and outer space, and their interactions with each other and with the biosphere.
  • Learn responsible use of natural resources, issues of sustainability, and the mitigation of natural and manmade hazards and global change.
  • Read Earth’s recent and ancient history in its rocks, fossils, landscapes and gravity.
  • Probe and characterize the Earth system using satellites, in situ and laboratory measurements, physical theories, and numerical models.
  • Have access to several laboratory facilities, data archives and a variety of instrumental equipment.
  • Conduct field work worldwide and independent research on fundamental issues in the Earth and Environmental Sciences.
  • Create and disseminate knowledge about our planet, develop new techniques to explore and understand it, and share this knowledge and our technical skills with colleagues, students, and society.

Course options

Here are the different ways in which you can study PhD - Doctor of Philosophy in Earth Sciences.

Full Time (Minimum of 80 graduate semester credits)

Tuition fees

Tuition, insurance and fees: USD $39,325 per year


06 May, 25 Aug, 11 Jan


College of Arts and Sciences

186 University Hall,

230 North Oval Mall,



43210, United States

Entry requirement for international students

A baccalaureate or professional degree (or equivalent foreign credential) from an accredited college or university, earned by the expected date of entry into your graduate program. A minimum of a 3.0 cumulative GPA (on a 4.0 scale) in all prior undergraduate and graduate work.

English Language requirements:

  • 550 Paper-based TOEFL
  • 79 Internet-based TOEFL (IBT)
  • 82 MELAB
  • 8.0 IELTS
  • 230 TSE, if first language is not English and you are requesting a Graduate Teaching Associateship

* Please check with your chosen school for the exact entry requirements for your programme.

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