Dr Jaco Baas

Reader in Ocean Sciences

Contact info

Position: Reader

Room: 305 Craig Mair

Phone: 01248 382894

E-mail: j.baas@bangor.ac.uk

Web: Google Scholar, ResearchGate

I am Reader in Fine Particle Dynamics in the School of Ocean Sciences, and specialise in the erosion, transport, and deposition of fine, cohesive sediment. I graduated from the University of Utrecht (the Netherlands) with a combined BSc/MSc in Sedimentary Geology in 1988. At the same university, I completed my PhD in Bedform Dynamics in 1993. Subsequently, I was Postdoctoral Research Fellow at Geomar Research Centre in Kiel, Germany (studying Late-Pleistocene climate signals in slope sediments from the North-Atlantic continental margin), at the University of Rouen, France (on resuspension processes in the Seine estuary and gravel mining in the English Channel), and at the University of Bergen, Norway (investigating grain orientations in turbidite deposits).

In 1998, I moved to the School of Earth and Environment at the University of Leeds, where I started as a Marie Curie Research Fellow and then became a Senior Research Fellow. My research in Leeds included the physical properties of particulate density currents and their deposits and the dynamics of turbulence-modulated flows carrying cohesive clay particles. I took up my present post in Bangor in January 2007.

I am a process sedimentologist with more than 25 years of experience in sediment transport in fluvial, shallow marine, and deep-marine environments. My main fundamental and applied research interests include physical and biological cohesion in fine-grained sediment, the dynamics of sedimentary bedforms, and sediment gravity flows in the deep ocean, but my expertise also stretches to hydraulic engineering, palaeoclimatology, and mathematical modelling. I combine experimental research with field work to answer timely research questions, taking a blue-skies approach as well as collaborating with industry.

Research Area

Sediment Dynamics and Morphology

  1. 2020
  2. Published

    An integrated process-based model of flutes and tool marks in deep-water environments: implications for palaeohydraulics, the Bouma sequence, and hybrid event beds

    Peakall, J., Best, J., Baas, J. H., Hodgson, D. M., Clare, M. A., Talling, P. J., Dorrell, R. M. & Lee, D. R., Jun 2020, In: Sedimentology. 67, 4, p. 1601-1666 66 p.

    Research output: Contribution to journalArticlepeer-review

  3. Published

    Mixed Sand—Mud Bedforms Produced by Transient Turbulent Flows in the Fringe of Submarine Fans: Indicators of Flow Transformation

    Baker, M. L. & Baas, J. H., Aug 2020, In: Sedimentology. 67, 5, p. 2645-2671 27 p.

    Research output: Contribution to journalArticlepeer-review

  4. Published

    Interactions between sediment microbial ecology and physical dynamics drive heterogeneity in contextually similar depositional systems

    Hope, J. A., Malarkey, J., Baas, J. H., Peakall, J., Parsons, D., Manning, A. J., Bass, S., Lichtman, I., Thorne, P., Ye, L. & Paterson, D. M., Oct 2020, In: Limnology and Oceanography. 65, 10, p. 2403-2419

    Research output: Contribution to journalArticlepeer-review

  5. 2021
  6. Published

    Rapid gravity flow transformation revealed in a single climbing ripple

    Baas, J. H., Best, J. & Peakall, J., 1 May 2021, In: Geology. 49, 5, p. 493-497

    Research output: Contribution to journalArticlepeer-review

  7. Published

    Sole marks reveal deep-marine depositional process and environment: implications for flow transformation and hybrid event bed models

    Baas, J., Tracey, N. D. & Peakall, J., 4 Oct 2021, In: Journal of Sedimentary Research. 91, 9, p. 986–1009

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Current- and Wave-Generated Bedforms on Mixed Sand–Clay Intertidal Flats: A New Bedform Phase Diagram and Implications for Bed Roughness and Preservation Potential

    Baas, J., Malarkey, J., Lichtman, I. D., Amoudry, L. O., Thorne, P., Hope, J. A., Peakall, J., Paterson, D. M., Bass, S., Cooke, R. D., Manning, A. J., Parsons, D. & Ye, L., 3 Nov 2021, In: Frontiers Earth Science. 9, 747567.

    Research output: Contribution to journalArticlepeer-review

  9. 2022
  10. Published

    Blood, lead and spheres: a hindered settling equation for sedimentologists based on metadata analysis

    Baas, J. H., Baker, M. L., Buffon, P., Strachan, L. J., Bostock, H. C., Hodgson, D. M., Eggenhuisen, J. T. & Spychala, Y. T., Jun 2022, In: The Depositional Record. 8, 2, p. 603-615 13 p.

    Research output: Contribution to journalArticlepeer-review

  11. Published

    Discontinuity in Equilibrium Wave–Current Ripple Size and Shape and Deep cleaning associated with Cohesive Sand–Clay Beds

    Wu, X., Fernández, R., Baas, J., Malarkey, J. & Parsons, D. R., Sept 2022, In: Journal of Geophysical Research: Earth Surface. 127, 9, p. e2022JF006771 e2022JF006771.

    Research output: Contribution to journalArticlepeer-review

  12. Published

    Effect of biological polymers on mobility and run-out distance of cohesive and non-cohesive sediment gravity flows

    Sobocinska, A. & Baas, J., 1 Oct 2022, In: Marine Geology. 452, 106904.

    Research output: Contribution to journalArticlepeer-review

  13. 2023
  14. Published

    Does sand promote or hinder the mobility of cohesive sediment gravity flows?

    Baker, M. L. & Baas, J., Feb 2023, In: Sedimentology. 70, 4, p. 1110-1130 21 p.

    Research output: Contribution to journalArticlepeer-review

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