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Your challenge
To mitigate seismic risks from subsurface exploitation sites (geothermal energy, subsurface CO2, H2 storage), accurate seismic hazard assessment (SHA) is a necessity. In regions without historical earthquakes, conventional ground motion models cannot be locally calibrated and thus suffer from large uncertainty, rendering them unreliable for the seismic risk assessment of future subsurface activities. The SHAWave project – a collaboration between various Dutch universities and research institutes – will take a new and innovative approach to conducting probabilistic seismic hazard assessment. This approach combines novel computational modelling techniques, based on waveform simulations, with advanced data calibration and risk quantification techniques.
You will analyse the role of subsurface structure on ground motion distribution through a full elastic finite element seismic wave simulation. To fully appreciate the effect of directional propagation and interaction you will include the subsurface topography and a realistic velocity model. The attenuation in the model, for both bedrock and sediments, will be based on amplitude matching between our simulations and actual observations for the modelled earthquake. You will use SALVUS for our simulations, a code developed for simulating seismic wave propagation based on the principles of SEM.
You will be defining the optimal resolution for such modelling based on existing subsurface models and earthquake recordings at the surface and in boreholes (till 200m depth), you will assess the subsurface structure related to amplification and directional effects, and you will evaluate the near-surface sediment effect based on analysis of your modelled waveforms in comparison to actual recorded waveforms in boreholes and at the surface. You will also prepare a modelling-based predictive probable seismic hazard map with an initial focus on the Groningen area, a region in the Netherlands with human-induced earthquakes due to gas exploitation, and finally, you will extend this new approach for seismic hazard analysis to new exploitation sites in the Netherlands for which no earthquakes have been recorded yet.
Your project will be embedded in the Applied Earth Sciences department at the Faculty for Geo-Information Science and Earth Observation at the University of Twente. You will work together with the partners in the SHAWave project to ensure that the developed model is successfully integrated. You will have short stays with partners in the project, particularly you will work together with the Energy Technology section at the Department of Mechanical Engineering of the Eindhoven University of Technology (TU/e).
Your profileFor more information about the position, you can contact Prof Dr Mark van der Meijde (e-mail: [email protected]). You are also invited to visit our homepage.
Please submit your application before 14 April 2024 including:
Applications that do not include all three will not be considered.
Short-listed candidates will be invited for interviews which will probably take place at the end of April 2024.
About the departmentThe department of Applied Earth Sciences combines earth scientific knowledge with dynamic modelling and advanced remote sensing, to analyse earth systems and processes in space and time. Our goal is to contribute to global challenges concerning future demands for earth resources and to help reduce disaster risk and the impact of natural hazards on communities living in changing environments.
About the organisationThe Faculty of Geo-Information Science and Earth Observation (ITC) provides international postgraduate education, research and project services in the field of geo-information science and earth observation. Our mission is capacity development, where we apply, share and facilitate the effective use of geo-information and earth observation knowledge and tools for tackling global wicked problems. Our purpose is to enable our many partners around the world to track and trace the impact – and the shifting causes and frontiers – of today's global challenges. Our vision is of a world in which researchers, educators, and students collaborate across disciplinary and geographic divides with governmental and non-governmental organisations, institutes, businesses, and local populations to surmount today's complex global challenges and to contribute to sustainable, fair, and digital societies.
Want to know more? Meijde, M. van der (Mark)Full Professor
Meijde, M. van der (Mark)Full Professor
Do you have questions about this vacancy? Then you can contact Mark for all substantive questions about this position and the application procedure. For general questions about working for the UT, please refer to the chatbot.
ContactPhone:+31534874322
Email:[email protected]
How to apply Step 1Apply. When you see a vacancy that appeals to you, you can apply online. We ask you to upload a CV and motivation letter and/or list of publications. You will receive a confirmation of receipt by e-mail.
Step 2Selection. The selection committee will review your application and you will receive a response within 2 weeks after the vacancy has been closed.
Step 31st interview. The 1st (online or in person) meeting serves as an introduction where we introduce ourselves to you and you to us. You may be asked to give a short presentation. This will be further explained in the invitation.
Step 42nd interview. In the second interview, we will further discuss the job content, your skills and your talents.
Step 5The offer. If the conversations are positive, you will be made a suitable offer.
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