Dr. Alexandria Johnson

Assistant Professor

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Biography

Alexandria Johnson is an Assistant Professor in the Department of Earth, Atmospheric, Planetary Sciences at Purdue University, specializing in atmospheric science. She completed her PhD in Atmospheric Science at Purdue University in 2014 and earned her BS in Physics, Cum Laude, from Michigan Technological University in 2009. Her research expertise includes airborne measurements of water vapor in pre-depression areas of the Atlantic, laboratory studies of water ice nucleation, and high-resolution single cloud models. Currently, her research interests encompass clouds and atmospheres on Earth and Mars, the properties and formation of clouds in exoplanetary atmospheres, and the early lunar atmosphere on Titan, particularly focusing on the microphysics of methane-ethane-nitrogen clouds. Johnson has developed a novel single particle light scattering instrument designed to measure atmospheric particulates such as clouds and aerosols and their interactions with radiation in diverse planetary atmospheres. She has received several honors, including the Simons Foundation Collaboration Origins of Life Instrument Grant in 2016 and was awarded 2nd Place in the MIT Postdocs Share Science competition in the same year.

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.