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Professor Dr. Kukka Maaria Kohonen

Instructor

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Biography

Kukka-Maaria Kohonen is an atmospheric scientist specializing in micrometeorological gas exchange measurements, particularly through eddy covariance chamber techniques in various ecosystems. Her research primarily focuses on biogeochemical cycles utilizing greenhouse gas flux measurements. As a postdoctoral researcher at ETH Zurich, she investigates the carbon cycle in alpine grasslands and the potential reduction of agricultural nitrous oxide (N2O) emissions. Her PhD research centered around carbonyl sulfide (COS) exchange in boreal ecosystems and included leaf soil chamber measurements and eddy covariance to explore the link between COS exchange and photosynthesis. Kohonen has also examined lake-atmosphere interactions and compared measurement methods for greenhouse gas exchange in aquatic environments. Current projects include ABACOS, which aims to constrain forest CO2 and evapotranspiration fluxes using above- and below-canopy COS fluxes.

Research Interests

Micrometeorology Gas Exchange Measurements Biogeochemical Cycles Greenhouse Gas Flux Carbon Cycle

Experience

Postdoctoral researcher

2023-01-01 — Present

Grassland sciences group, ETH Zurich • Zürich, Switzerland

Conducting research on carbon cycle and N2O emissions reduction.

PhD researcher

2016-01-01 — 2022-01-01

Micrometeorology group, University of Helsinki • Helsinki, Finland

Studied carbonyl sulfide exchange and its relationship with photosynthesis in boreal ecosystems.

Research assistant

2013-01-01 — 2015-01-01

Micrometeorology group, University of Helsinki • Helsinki, Finland

Assisted in research on lake-atmosphere interactions and greenhouse gas measurements.

Requirements for ETH Zurich

Master Program

Requirements

GPA Requirement
Required:3.4
IELTS
Overall
Required:7
TOEFL
Total
Required:100
GRE General
Verbal
Required:159
Verbal Percentile
Required:80
Quantitative
Required:168
Quantitative Percentile
Required:81
Analytical Writing
Required:4.5
Writing Percentile
Required:85

Prerequisites

Bachelor's degree in a related field (Engineering, Natural Sciences, or Mathematics) Minimum 180 ECTS credits Subject-specific knowledge equivalent to ETH Bachelor's programs

Application Checklist

  • Bachelor's degree diploma or transcript
  • Official academic transcripts
  • Curriculum Vitae (CV)
  • Letter of Motivation (1 page)
  • Two academic recommendation letters
  • English language proficiency certificate
  • GRE General Test (for non-EU/EFTA applicants)

Specialization Notes

The GRE is mandatory for students who did not obtain their Bachelor's degree in an EU/EFTA state. Some departments (e.g., Computer Science) have specific ECTS credit requirements in core subjects.