April 2018
Message 19

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[Met-jobs] Correction: PhD positions on Carbonyl Sulfide isotopes at IMAU, Utrecht University, NL

From Roger Brugge <>
To "" <>
Date Sat, 7 Apr 2018 13:49:08 +0000

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Two PhD positions on COS isotope analysis and modelling at Utrecht University (Netherlands) 

We are looking for two excellent PhD candidates to join our team in a very exciting project! 

The positions will be open at the Institute for Marine and Atmospheric research Utrecht, at Utrecht University (Netherlands), and will be part of the COS-OCS project. 

The overall project 

COS-OCS is an ERC Advanced project that will integrate measurements and modeling of atmospheric Carbonyl Sulfide (COS). COS is the most abundant sulfur compound in our atmosphere. COS is produced in tropical oceans and taken up by vegetation, but large uncertainties remain. COS-OCS addresses these uncertainties. The project involves collaboration between several PhD students and scientists at three universities in the Netherlands. 

PhD position IMAU-1 – COS isotope measurements 

COS isotope measurements have not been performed in atmospheric samples, thus the project will be both very challenging and very rewarding. The work will start with setting up a measurement system for S and possibly C isotopes in COS, based on Isotope Ratio Mass Spectrometry. Once this measurement system is realized, it will be used for analyzing air samples for the first large scale isotopic characterization of the atmospheric COS and of its main sources and sinks. The work will consist of lab experiments and measurements, and the candidate should be open for participation in field campaigns for sampling. 

PhD position IMAU-2 – COS isotope modelling 

The COS modelling work will start by adding known sources and sinks of COS to the existing TM5 model. For the first time, we will also model the COS isotopic composition. Model results will be compared to new measurements that will be performed within the COS-OCS project, and existing measurements, including satellite observations. Using mathematical techniques, modelling and measurements will be combined in a collaborative effort to better constrain the uncertain COS budget. 

The candidates 

The ideal candidates will have relevant knowledge about atmospheric physics and chemistry, and good mathematical and logical thinking. For the experimental position, experience with trace gas or isotope measurements is useful but not strictly necessary. For the modeling position, the ideal candidate will have good knowledge of numerical modelling. Personal qualities like an open mind, curiosity, creative thinking, ability to cooperate, and motivation are important for both positions 

The positions are meant for PhD candidates, but exceptional candidates at PostDoc level are also considered. 

Starting date 

Latest on 1-Sep-2018 


Applications are accepted via the online application system of Utrecht University. The application should include a cover letter, CV and the contacts (email, phone no) of three referees. Applications will be considered until the position is filled, but no later than 1-Sep-2018. 

For further information on the project please contact Maarten Krol ( or Elena Popa ( . 

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