Wouter Schellart is Professor of Geodynamics and Tectonics within the Department of Earth Sciences at the Vrije Universiteit Amsterdam. He leads the Geodynamics and Tectonics research group, which focuses on five research topics:

1. Geodynamics & plate tectonics
2. Crustal tectonics and sea floor mapping
3. Natural hazards (giant earthquakes, volcanic eruptions)
4. Human-induced hazards (induced seismicity)
5. Subsurface clean energy solutions (Geothermal, CO2 storage)

Wouter's research is concerned with convergent plate boundaries and particularly focuses on subduction zones. Studying subduction zones is important, both scientifically and for society, because:

• They are the main drivers of plate tectonics and flow in the Earth's mantle;
• Subduction zones produce the biggest earthquakes and tsunami on Earth (e.g. Sumatra 2004, Japan 2011);
• They are associated with the most powerfull volcanic eruptions (e.g. Tonga 2022; Mount Pinatubo 1991);
• Subduction zones and continental subduction zones produce the biggest mountain belts on Earth, including the Andes and Himalaya;
• The topography they produce forms barriers to atmospheric circulation (e.g. Andes) or forms ocean gateways to provide new paths for ocean circulation (e.g. Scotia Sea and the Antarctic Circumpolar Current), which both affect climate;
• Subduction zones produce major mineral deposits and critical metal deposits that are needed for the energy transition;
• The basins they produce (e.g. backarc basins) and the hot geothermal gradients they generate in the volcanic arc domain provide settings for subsurface clean energy solutions (e.g geothermal energy).

Wouter uses laboratory-based (analogue) and numerical modelling techniques, global data analysis, statistical investigations and plate tectonic reconstructions to quantify geodynamic processes ranging in scale from the uppermost few km of the crust to the whole mantle. His research focuses both on generic, process-oriented, research and research applied to specific geological settings and geographical locations (e.g. Andes, Southwest Pacific, Himalaya-East Asia, Mediterranean, Scotia Sea). His geodynamic modelling efforts, combined with global statistical analyses, provide insight into subduction dynamics and the global distribution of giant subduction zone earthquakes.

One of Wouter's current research endeavours, funded by the Dutch Science Foundation (NWO), focuses on the subduction zone forearc, investigating which physical parameters might control its topography and strain distribution, and how these might be linked with the spatial distribution of giant subduction zone megathrust earthquakes. In recent research, funded by a Vici grant from NWO, he investigated the biggest mountain ranges on Earth, the Andes and Himalaya. 

Wouter is in charge of the Kuenen-Escher Geodynamics Laboratory (KEG Lab), a modelling facility that is unique in the world, as it is the only lab where tomographic PIV techniques are used to investigate and quantify subduction and flow in the Earth's mantle, and where stereo-PIV techniques are combined with surface strain and surface topography analyses. In the lab, crustal and mantle-scale geodynamic processes are simulated at small spatial scales and short temporal scales using analogue experiments.

Some relevant research:

Open access paper presenting reconstructions of the tectonic evolution of the Scotia Sea ocean gateway, and discussing its effect on the Antarctic Circumpolar Current [Oldenhage, Schellart and Beniest, 2024]

Open access paper on subduction dynamics and overriding plate deformation, presenting new geodynamic subduction models and a global statistical analysis [Schellart, 2024]

Open access paper on continental flat slab subduction below the Himalaya and Tibet, and its contribution to the extreme topography of the mountain belt [Xue, Schellart and Strak, 2024] 

Review paper on subduction zone geometry, geology, kinematics and dynamics, including an application to the occurrence of giant subduction zone megathrust earthquakes [Schellart, 2023]

Open access paper on a new subduction initiation mechanism, Subduction Invasion Polarity Switch (SIPS), with an application to the Scotia Sea region [Schellart et al., 2023]

Open access paper on the India-Eurasia collision, continental subduction and slab detachment [Laik, Schellart and Strak, 2023]

Open access paper on overriding plate deformation and topography during rollback and rollover subduction [Xue, Schellart and Strak, 2022]

Open access paper on periodic, short-term and long-term flat slab subduction: Schellart and Strak [2021]

Open access paper on thermo-mechanical modelling of the South American subduction zone: Strak and Schellart [2021]

Open access paper on flat slab subduction: Schellart [2020]

Open access paper on the India-Eurasia collision, extrusion tectonics, widespread continental deformation in Central, East and Southeast Asia and extension in Tibet, and the role of the Pacific and Sunda subduction zones in driving such deformation: Schellart et al. [2019]

Open access paper on the origin and evolution of the Andes and the migration of the Andean volcanic arc: Schellart [2017]

Open access paper on the interaction between the Tonga-Kermadec-Hikurangi subduction zone and intraplate volcanism in the Samoa region: Strak and Schellart [2018]

Open access paper on giant subduction zone earthquakes, which includes a global map showing which subduction zone segments on Earth are most likely to produce giant earthquakes: Schellart and Rawlinson [2013]

Open access paper on the origin of Lake Eyre and the Murray-Darling Basin, the largest intra-continental basins in Australia: Schellart and Spakman [2015]

Open access paper on subduction modelling and mantle flow: Schellart and Moresi [2013]

Open access review paper on analogue modelling: Schellart and Strak [2016]

Main topics of research:

-Subduction zone evolution and subduction-induced mantle flow.

-Cordilleran mountain building at subduction zones (e.g. Andes).

-Backarc basin formation at subduction zones (e.g. North Fiji Basin, Tyrrhenian Sea).

-Dynamic topography and (past) subduction (e.g. SW Pacific, Australia).

-Collisional mountain building and continental deformation (e.g. Himalaya-East Asia).

-Continental subduction, ophiolite obduction (e.g. New Guinea, New Caledonia).

-Giant earthquakes at subduction zones.

-Subduction and topography.

BSc courses

-Geophysics (coordinator & teacher)

-Field Course Solid Earth (teacher)

MSc courses

-Advanced Geodynamics and Tectonics (coordinator & teacher)

-Orogenesis (coordinator & teacher)

-Mantle Properties (teacher)

Awards, medals, prizes

Cum laude award for MSc degree from the Vrije Universiteit Amsterdam, 1999.

Molly Holman Doctoral Medal for the best PhD-thesis in the Faculty of Science, Monash University, 2003.

J. G. Russell award from the Australian Academy of Science, 2007.

Victoria & Tasmania Young Tall Poppy Science Award from the Australian Institute for Policy & Science, 2009.

Vice-Chancellor’s Award for Excellence in Research by and Early Career Researcher, Monash University, 2010.

E. S. Hills Medal from the Geological Society of Australia, awarded every two years to a young (<40 years) Australian resident for outstanding contributions to any branch of the geological sciences, anywhere, 2012.

Anton Hales Medal 2013 from the Australian Academy of Science for distinguished research in the Earth sciences, awarded annually to a researcher no more than 40 years of age in the calendar year of nomination.

D. I. Groves Award 2016 from the Geological Society of Australia (with PhD student Nasim Kharazizadeh) for the best paper published in Australian Journal of Earth Sciences in 2016 by a student (as first author) within six years of graduation.

Fellowships

Australian Postdoctoral Fellowship (APD) (2004-2006) from the Australian Research Council (ARC).

Queen Elizabeth II Fellowship (QE II) (2007-2011) from the Australian Research Council (ARC).

Monash Research Fellowship (2007-2012) from Monash University.

Future Fellowship (2012-2015) from the Australian Research Council (ARC).

Vici Fellowship (2017-2023) from the Dutch National Science Foundation (NWO).

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