Dr. Patrick Drohan

Professor

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Biography

Patrick Drohan is a Professor and Director of Graduate Studies in the Department of Ecosystem Science and Management at Pennsylvania State University. His research focuses on the roles of soil function and land management within larger ecosystem dynamics. He addresses fundamental questions in basic science and applies this knowledge to improve ecological stability and land management practices. Dr. Drohan has taught 24 courses in the natural and physical sciences, currently including courses on urban soils, soil genesis, and land management. His research interests also encompass soil property dynamics over geological time scales and the sociocultural aspects of soil use. He has served as an Associate Editor for Soil Use and Management and the Soil Science Society of America Journal. Dr. Drohan holds a Ph.D. in Soil Science from Pennsylvania State University and has co-founded the Smithsonian Soil Exhibit Project, receiving recognition for his contributions to soil science education and outreach.

Research Interests

Experience

Professor

2001-01-01 — Present

Pennsylvania State University • University Park, PA

Professor in the Department of Ecosystem Science and Management, focusing on teaching and research in soil science.

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.