Dr. Patrick Drohan

Professor

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Biography

Patrick Drohan is a Professor in the Department of Ecosystem Science and Management at Pennsylvania State University. He specializes in Pedology and serves as the Director of Graduate Studies. His research focuses on how human activities affect landscapes and the corresponding changes in soil function within larger ecosystems. Drohan's work addresses fundamental science questions and applies new knowledge to improve land management practices and ecosystem stability. He has taught 24 courses in natural and physical sciences, with current classes including urban soils and soil genesis. His research also investigates the dynamics of inherent soil properties over time scales from the Pleistocene to the present. An associate editor for Soil Use and Management, Drohan has been active in the Soil Science Society of America and has received recognition for his contributions to the field, including a President's Citation for Outstanding Service.

Research Interests

Experience

Professor

2001-01-01 — Present

Pennsylvania State University • University Park, PA

Focused on Pedology, landscape management, and advanced soil research.

Courses

SOILS 403 - Soil Morphology Practicum SOILS 404 - Urban Soils SOILS 416 - Soil Genesis Classification SOILS 597 - Soil Health SOILS 499a 499b - Co-evolution of Land and People SOILS 497D - Paleosols SOILS 516 - Field Soil Genesis

Requirements for Pennsylvania State University

Doctorate Program
Requirements
GPA Requirement
Required:3
TOEFL
Writing
Required:24
Speaking
Required:23
Total
Required:100
IELTS
Writing
Required:7
Speaking
Required:7
Overall
Required:7
GRE General
Prerequisites
Master's degree in related field for PhD Baccalaureate degree from accredited institution
Application Checklist
  • Three letters of recommendation
  • Statement of Purpose
  • Writing Sample
  • Official Transcripts
  • Resume/CV
Specialization Notes

GRE scores are highly recommended but not strictly required for Applied Linguistics.