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Department of Geology, Trinity College Dublin, The University of Dublin

Museum Building, Dublin 2, Dublin, Ireland


2018 –            Assistant Professor in Sedimentology, Department of Geology, Trinity College Dublin, Ireland

2013 – 18       Post-Doctoral Research Associate, Department of Earth Sciences, University of Oxford, UK

2010 – 12       Niels Stensen Postdoctoral Research Associate & Postdoctoral Research Associate, Nordic Centre for Earth Evolution,   

                        University of Copenhagen, Denmark

2010               Researcher at Geological Survey of the Netherlands, Business-unit Oil & Gas (TNO-NITG), Netherlands

2002 – 10      Tutor & Teaching Assistant, Department of Earth Sciences, Utrecht University, Netherlands


2006 – 10      PhD at Utrecht University, Department of Earth Sciences and the Institute of Environmental Biology, Netherlands:

                        “Carbon cycle change during the Triassic–Jurassic transition”

2005 – 06      MSc at Utrecht University; MSc-thesis 1 at Utrecht University, Department of Earth Sciences & Royal Netherlands Institute

                        for Sea Research (NIOZ); MSc-thesis 2 at Utrecht University, Institute of Environmental Biology

2004               Erasmus exchange student, Georg-August University, Göttingen, Germany

2000 – 03      BSc. Department of Earth Sciences, Utrecht University, Netherlands


  • 33 peer-reviewed publications (including in Science, Nature Geoscience, Nature Communications, PNAS and Geology, EPSL)

  • Citations: >900, H-index: 16, i10-index: 19 (Google Scholar)

  • > 50 (published) Conference abstracts.

  • 3 Book (-chapters).

  • 1 Commissioned report.

  • 7 invited conference & university talks

  • Extensive international media coverage of scientific work.

  • Work selected as research-highlight in Nature Geoscience (Ruhl and Kurschner, 2011).

  • Large international network of academic and industry research-collaborators


  • Member of IGCP–632: Continental Crises of the Jurassic: Major Extinction Events and Environmental Changes within Lacustrine Ecosystems (

  • Member of IGCP–655: Toarcian Oceanic Anoxic Event Impact on Marine Carbon Cycle and Ecosystems
  • Member of IGCP–652: Reading Geologic Time in Palaeozoic Sedimentary Rocks

  • Member of the ICDP/NERC continental drilling & research program:

  • Member of the Deep Carbon Observatory Network

  • Contributor to University Geoscience UK: Future Science – A vision for the next 25 years (Feb 2017)

  • Session convener at: Goldschmidt 2018 (Boston), Goldschmidt 2017 (Paris), IGC 35 (2016, Cape Town), AGU 2015 (San Francisco)

  • Associate-editor of Palaeoclimatology, -geography, -ecology and Frontiers in Paleontology

  • Peer-reviewer for, among others, Geology, EPSL, Earth Sciences Reviews, Palaeo-3, Nature Communications, Chemical Geology, Nature Scientific Reports, Journal of the Geological Society (London), Journal of Earth Sciences, Sedimentology

  • Member of: European Geosciences Union, European Association of Geochemists, American Geophysical Union

2006 – 09      Board Member of the Palaeobotanical and Palynological Society Utrecht

2006 – 08      Treasurer of the Palaeobotanical and Palynological Society Utrecht

2016 –             Professional member of SEPM – Society of Sedimentary Geology

2016 –             Professional member of the UK Paleoclimate Society

2016 –             Professional member of the Past Earth Network

2018 –             Athena SWAN Self-Assessment Team committee member for the School of Natural Sciences, Trinity College Dublin


I organized, performed and participated in fieldwork and core-sampling activities in:

  • Larne Basin, Northern Ireland (2018)

  • Oman (2016)

  • Switzerland (2016)

  • Abu Dhabi (2016, ’17)

  • Neuquen Basin, Argentina (Fieldwork: 2014, ’16)

  • Mudurnu Basin, Turkey (Fieldwork: 2013)

  • Cardigan Bay Basin, UK (Core-sampling: 2013, ‘14, ’15)

  • Sichuan Basin, China (Core-sampling: 2013, ’15)

  • Maverick Basin, Texas, USA (Fieldwork & core-sampling: 2013, ‘14, ’15, '17)

  • Utah, USA (Fieldwork: 2012)

  • Nevada, USA (Fieldwork: 2007, ’12)

  • Yorkshire & Scotland, UK (Fieldwork: 2012, ’14, ’15)

  • Scania, Sweden (Fieldwork: 2011)

  • Eiberg Basin, Austria (Fieldwork: 2005, ’06, ’07, ’08, ’11, ’12, ’13)

  • Somerset, UK (Fieldwork: 2007, ’08, ’09, ’10, ’13, ’14, '15)

  • Germanic and Lower Saxony basins, Germany (Fieldwork: 2006, ’07, ’08, ’09, ’14, ’15)

  • High Atlas Mountains & Argana Basin, Morocco (Fieldwork: 2007)

  • France (Fieldwork: 2008)

  • Scientific cruise: Atlantic Ocean, offshore Portugal/ Morocco/ Scotland (2005)


  • Methods/ methodology:   Stable isotope chemo-stratigraphy, biomarker and bulk kerogen analyses, iron-speciation, cyclostratigraphy, magnetostratigraphy, core- and outcrop sedimentology, elemental and mineral analyses, organic and inorganic petrography, biostratigraphy, palynology, biogeochemical modeling

  • Techniques (equipment):   Rock-Eval VI, HH-XRF, SEM, Stable Isotope Mass-spectrometry, Gas-Chromatography (GC), Gas-Chromatography-Mass-Spectrometry (GC-MS), Gas-Chromatography-Isotope-Ratio-Mass-Spectrometry (GC-IRMS), High Performance Liquid Chromatography Mass Spectrometry (HPLC-MS), AAS, Leco, Cavity-Ringdown-Mass-Spectrometer (CR-MS), quadrupole ICP-MS, ICP-OES, Clean-lab preparations


I have established an extensive professional network of past and present collaborators, at: Oxford University (UK), British Geological Survey (UK), Petroleum Institute in Abu Dabi (United Arab Emirates), George Mason University (USA), Open University (UK), University of Copenhagen (Denmark), University of Exeter (UK), University of Southern Denmark (Denmark), Bristol University (UK), National History Museum of Denmark (Denmark), University of Nottingham (UK), University of Oslo (Norway), University of Vienna (Austria), University of Plymouth (UK), University of Innsbruck (Austria), Utrecht University (Netherlands), Royal Netherlands Institute for Sea Research (NIOZ, NL), University of Marrakech (Morocco), Natural History Museum of La Plata (Argentina), the Netherlands Geological Survey, PetroChina and Shell research-teams in the USA and Europe.


  • News Reports on BBC, MailOnline, Discovery Channel and many more news outlets on new PNAS paper on Triassic–Jurassic volcanism (Percival, Ruhl et al., 2017)

  • Science Blog! Popular scientific blog on 2017 Nature Geoscience publication (Xu, Ruhl et al., 2017)

  • Interviews and articles in international newspapers and magazines in the US, Brazil, Spain, Italy, Netherlands and Denmark, including in the New York Times and The Economist

  • Articles in popular-scientific media, including Natuur, Wetenschap & Techniek (NWT), KIJK, Sjaellandske Avisen and Kennislink

  • Radio-interviews on Dutch and German national radio

  • Interviews and articles on over a hundred international websites and blogs, including

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