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Postdoc opportunity: Investigate how much carbon is stored beneath ice sheets

May 5th, 2025

Our colleague Stefan Bünz is looking for a postdoctoral fellow to join his team to quantify how much carbon is stored beneath ice sheets. The successful candidate will write an MSCA funding proposal to join the iC3 team in Arctic Norway. (See all 12 open postdoc opportunities with iC3 here.)    

In this interview, Stefan explains how his work contributes to a better understanding of global climate change, and what he is looking for in a postdoctoral collaborator.  

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What is the focus of your research at iC3? 

My main focus is on understanding how much carbon is stored beneath ice sheets. This is a fundamental question because it determines how much carbon might be released as ice sheets retreat. 

If there is little organic material, the impact on the carbon cycle could be small. But if there is a lot, it could have major implications for climate change. 

To answer this, we need to map the thickness of sedimentary basins beneath ice sheets. That gives us an idea of how much organic material has accumulated over time and how much of it may have turned into hydrocarbons. 

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How does this research fit into iC3’s work? 

This work is relevant for several research units at iC3. Research Unit 1 is studying carbon release mechanisms, and Research Unit 5 is focused on climate modelling. My work helps provide a key piece of information for both—how much carbon is actually there in the first place. 

If we don’t know how much carbon is stored beneath ice sheets, it becomes very difficult to model what happens when ice retreats. Climate models need reliable input data. Without it, the numbers they produce could be off by a huge margin. 

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What methods do you use? 

I mainly use geophysical techniques to estimate sediment thickness beneath ice sheets. This includes seismic methods, as well as gravity and magnetic data. Each method provides different insights, and combining them helps us build a clearer picture of what’s below the ice. 

We can also use basin modelling to understand how hydrocarbons have formed and moved through the subsurface over time. This connects geological history with present-day climate science.

Photo: Stefan Bünz during a cruise in Lyngen (Norway). Credit: Peter-Lasse Giertzch

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What kind of MSCA fellow are you looking for? 

I am looking for someone with expertise in one of three areas: 

  • Seismology, particularly ambient noise techniques and seismic tomography. 
  • Potential field methods, using gravity and magnetic data to map subsurface structures. 
  • Basin modelling, with knowledge of sedimentary processes and tectonic evolution. 

Each of these approaches can help us better understand how much carbon is stored beneath ice sheets. 

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What other qualities are important? 

Technical skills are essential, but I also look at personality. The MSCA fellow will be part of a team with other postdocs and PhD students, so it’s important that they work well with others. 

Whenever I find a promising candidate, I set up an online meeting. That first conversation tells me a lot about whether they will fit into the group. It’s hard to put into words, but I rely on that initial impression. It has worked well over the years—we have built a strong and happy research team with very little conflict. 

What do you do when you're not researching? 

I enjoy spending time outdoors. In summer, I go hiking with my wife. In winter, I usually go skiing – though this year, I’m frustrated because we haven’t had much snow yet! I also play tennis with my son, which is a lot of fun. 

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 If you are interested in applying for an MSCA postdoctoral fellowship with Stefan, please read this first and then send him an email briefly outlining your proposed research project and enclose your CV.  

The iC3 team will support the selected candidate throughout the process of writing a strong MSCA fellowship proposal. More information on MSCA opportunities with the iC3 Polar Research Hub and our support programme here. 

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Department for Geosciences UiT The Arctic University of Norway Dramsvegen 201 9010, Tromsø Norway

Dr Terri Souster

iC3 Centre Manager

ic3manager@uit.no

Till Bruckner

Communications Advisor

till.d.bruckner@uit.no

iC3: Centre for ice, Cryosphere, Carbon and Climate is funded by the Research Council of Norway through its Centres of Excellence funding scheme, grant number 332635.

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