Beschreibung
# PhD Position in Atmospheric Chemistry #
#### 100%, Zurich, fixed-term ####
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The Atmospheric Chemistry group at the Institute for Atmospheric and Climate Science (IAC) - ETH Zurich invites applications for a 4-year PhD position on -Investigating ozone formation in smoke from wildfires-.
The Atmospheric Chemistry group at ETH conducts research exploring the processes controlling tropospheric composition (gases and particles) and their intersection with global change. Research makes extensive use of global modeling tools (GEOS-Chem and CESM) and analysis of large observational datasets.
In many regions of the world, wildfire frequency and extent are increasing, driven by climate change. These fires emit a range of gas and particle phase compounds. These include the precursors that form ozone, an important air pollutant and greenhouse gas. Fires are likely an increasingly important source of background ozone in many regions of the world. However, the formation of ozone in smoke is highly variable and models have previously struggled to reproduce this. The goals of this PhD project will be to develop new 3D model schemes to represent the formation and evolution of ozone in fire plumes, to test these simulations against airborne, surface, and satellite observations, and to quantify how fires contribute to the global ozone background now and in the future.
## Job description ##
The doctoral student will develop skills in atmospheric chemistry, global modeling, data analysis of field observations. In addition, the student will have opportunities to develop their skills in scientific communication through presentations at conferences and writing scientific papers as well as in management by co-supervising bachelor and master thesis. The project will be supervised by Prof. Colette Heald.
## Profile ##
* Applicants should hold an MSc degree in atmospheric science, earth science, environmental science, chemistry, physics, or a related discipline (obtained prior to the PhD start date)
* The candidate will have experience in atmospheric chemistry. Experience with regional or global modeling is desirable.
* Strong programming skills are necessary.
* Good knowledge of English (spoken and written) is essential.
Employment will be according to standard regulations at ETH (funding secured for 4 years). The projected start date is September 2026 but can be earlier upon mutual agreement.
## Workplace ##
## Workplace ##
## We offer ##
Our group is composed of researchers from around the world and offers a friendly and supportive environment, with English as our working language. Researchers in the group work on a wide range of topics and are exposed to each others- work through biweekly group meetings. Additionally, the student will be supported through regular one-on-one meetings with Prof. Heald. The group is part of the Institute for Atmospheric and Climate Science which hosts a seminar series. The group is located at ETH-s central campus.
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## We value diversity ##
In line with our values, ETH Zurich encourages an inclusive culture. We promote equality of opportunity, value diversity and nurture a working and learning environment in which the rights and dignity of all our staff and students are respected. Visit our Equal Opportunities and Diversity website to find out how we ensure a fair and open environment that allows everyone to grow and flourish.
## Curious? So are we. ##
We look forward to receiving your online application with the following documents:
* CV
* A summary of the applicant-s master thesis (not to exceed 1 page)
* Copy of certificates, including transcript if currently enrolled in MS program
* Contact information for 2-3 references
Please note that we exclusively accept applications submitted through our online application portal. Applications via email or postal services will not be considered.
For further general information about the research, please visit the group-s webpage Atmospheric Chemistry.
For further information, please contact Prof. Colette Heald by e-mail colette.heald@env.ethz.ch (no applications).
Evaluation of applicants will start 1 December 2025 and will continue until the position is filled.
## About ETH Zürich ##
ETH Zurich is one of the world-s leading universities specialising in science and technology. We are renowned for our excellent education, cutting-edge fundamental research and direct transfer of new knowledge into society. Over 30,000 people from more than 120 countries find our university to be a place that promotes independent thinking and an environment that inspires excellence. Located in the heart of Europe, yet forging connections all over the world, we work together to develop solutions for the global challenges of today and tomorrow.