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. Paper › Research › Not peer-reviewed
  2. Published

    Visualizing the flow fields of sediment-laden density currents.

    Peakall, J., Best, J. L., Baas, J. H. & Al-Musallami, Z., 1 Jan 2000.

    Research output: Contribution to conferencePaper

  3. Published

    Wave ripples in mixtures of cohesive clay and cohesionless sand: Preliminary results

    Baas, J. H., Westlake, A., Eggenhuisen, J., Amoudry, L., Cartigny, M., Coultish, N., McLelland, S., Mouazé, D., Murphy, B., Parsons, D., Rosewell, K., Ruessink, G., Schrijvershof, R., Wu, X. & Ye, L., 1 Jul 2014.

    Research output: Contribution to conferencePaper

  4. Published

    When is a clay-laden current turbulent, transitional or laminar? A new stability diagram based on flow dynamics and clay concentration.

    Baas, J. H., Best, J. L., Peakall, J. & Wang, M., 1 Jan 2005.

    Research output: Contribution to conferencePaper

  5. Chapter › Research › Not peer-reviewed
  6. Published

    Experimental constraints on shear mixing rates and processes: implications for the dilution of submarine debris flows

    Talling, P. J., Peakall, J., Sparks, R. S., O'Cofaigh, C., Dowdeswell, J. A., Felix, M., Wynn, R. B., Baas, J. H., Hogg, A. J., Masson, D. G., Taylor, J. & Weaver, P. P., 1 Jan 2002, Glacier-Influenced Sedimentation on High-Latitude Continental Margins. 2002 ed. Geological Society Publishing House, p. 89-104

    Research output: Chapter in Book/Report/Conference proceedingChapter

  7. Published

    Ripple, Ripple Mark, Ripple Structure.

    Baas, J. H. & Middleton, G. V. (ed.), 1 Jan 2003, Encyclopedia of Sediments and Sedimentary Rocks. 2003 ed. Kluwer Academic Publishers, p. 565-567

    Research output: Chapter in Book/Report/Conference proceedingChapter

  8. Article › Research › Peer-reviewed
  9. Published

    A phase diagram for turbulent, transitional and laminar clay suspension flows.

    Baas, J. H., Best, J. L., Peakall, J. & Wang, M., 1 Mar 2009, In: Journal of Sedimentary Research. 79, 3-4, p. 162-183

    Research output: Contribution to journalArticlepeer-review

  10. 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

  11. Published

    Bedform development in mixed sand–mud: The contrasting role of cohesive forces in flow and bed

    Baas, J. H., Davies, A. G. & Malarkey, J., 15 Jan 2013, In: Geomorphology. 182, p. 19-32

    Research output: Contribution to journalArticlepeer-review

  12. Published

    Bedform migration in a mixed sand and cohesive clay intertidal environment and implications for bed material transport predictions

    Lichtman, I. D., Baas, J. H., Amoudry, L. O., Thorne, P. D., Malarkey, J., Hope, J. A., Peakall, J., Paterson, D. M., Bass, S. J., Cooke, R. D., Manning, A. J., Davies, A. G., Parsons, D. R. & Ye, L., 15 Aug 2018, In: Geomorphology. 315, p. 17-32 66 p.

    Research output: Contribution to journalArticlepeer-review

  13. Published

    Biomediation of submarine sediment gravity flow dynamics

    Craig, M., Baas, J. H., Amos, K. J., Strachan, L. J., Manning, A. J., Paterson, D. M., Hope, J. A., Nodder, S. D. & Baker, M. L., Jan 2020, In: Geology. 48, 1, p. 72-76

    Research output: Contribution to journalArticlepeer-review

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