Dr. David Johnson

Associate Professor

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Biography

Dr. Johnson's work relates to development simulation models, economic analysis, and decision support tools aimed at improving environmental policy adaptation to climate change. His research emphasizes uncertainty analysis and the assessment of tradeoffs between competing objectives. He is the lead developer of a flood risk model used to evaluate flood protection systems under Louisiana’s 50-year, $50 billion Comprehensive Master Plan for a Sustainable Coast. His studies address topics such as potential bioenergy solutions to reduce greenhouse gas emissions, management of water scarcity, and long-run sustainability of agricultural practices.

Research Interests

Requirements for Purdue University

Master Program
Requirements
GPA Requirement
Required:3.5
TOEFL
Listening
Required:22
Reading
Required:22
Writing
Required:22
Speaking
Required:22
Total
Required:100
IELTS
Listening
Required:7
Reading
Required:7
Writing
Required:7
Speaking
Required:7
Overall
Required:7.5
Duolingo
Overall Score
Required:135
Overall
Required:135
Prerequisites
Bachelor's degree in CS or related field Foundational concepts of computer science Data structures Computer architecture Operating systems Mathematics through differential equations Linear and matrix algebra
Application Checklist
  • Official Transcripts
  • Academic Statement of Purpose
  • Personal History Statement
  • Resume
  • Three Letters of Recommendation
  • CS Supplementary Form
Specialization Notes

GRE is not required.