Dr Jaco Baas

Uwch Ddarlithydd

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. Cyhoeddwyd

    Conditions for formation of massive turbiditic sandstones by primary depositional processes.

    Baas, J. H., 1 Ebr 2004, Yn: Sedimentary Geology. 166, 3-4, t. 292-310

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  2. Cyhoeddwyd

    Depositional processes, bedform development and hybrid bed formation in rapidly decelerated cohesive (mud–sand) sediment flows

    Baas, J. H., Best, J. L. & Peakall, J., 1 Rhag 2011, Yn: Sedimentology. 58, 7, t. 1953-1987

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  3. Cyhoeddwyd
  4. Cyhoeddwyd

    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 Ion 2013, Yn: Geomorphology. 182, t. 19-32

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  5. Cyhoeddwyd
  6. Cyhoeddwyd

    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 Gorff 2014.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  7. Cyhoeddwyd

    Earth Science Editorial.

    Baas, J. H., 1 Chwef 2004, Yn: Annals of the Marie Curie Fellowships. 3, t. 42

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  8. Cyhoeddwyd

    Flow dynamics and depositional properties of cohesive mixed sand-mud currents with transient turbulent behaviour.

    Baas, J. H., Best, J. L., Peakall, J., McCaffrey, B. & Wang, M., 1 Ion 2006.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  9. Cyhoeddwyd

    Can vertical stacking of low-angle bedforms produce rhythmic bedding in slurry flow deposits.

    Baas, J. H., Best, J. L. & Peakall, J., 1 Ion 2006.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  10. Cyhoeddwyd

    Directional petrological characterisation of deep-marine sandstones using grain fabric and permeability anisotropy: methodologies, theory, application and suggestions for integration.

    Baas, J. H., Hailwood, E. A., McCaffrey, W. D., Kay, M. & Jones, R., 1 Mai 2007, Yn: Earth Science Reviews. 82, 1-2, t. 101-142

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  11. Cyhoeddwyd

    The Deep-Water Architecture Knowledge Base: Towards objective comparison of deep-marine sedimentary systems.

    Baas, J. H., McCaffrey, W. D. & Knipe, R. J., 1 Tach 2005, Yn: Petroleum Geoscience. 11, 4, t. 309-320

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  12. Cyhoeddwyd

    Ripple formation induced by biogenic mounds – Comment

    Baas, J. H. & Best, J. L., 15 Awst 2000, Yn: Marine Geology. 168, 1-4, t. 145-151

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  13. Cyhoeddwyd

    Fine Sediment Dynamics in the Marine Environment, by J.C. Winterwerp & C. Kranenberg

    Baas, J. H. & Felix, M., 1 Ion 2003, Unknown.

    Allbwn ymchwil: Cyfraniad arallCyfraniad Arall

  14. Cyhoeddwyd

    Experimental Research on Hydraulics and Depositional Mechanisms of High-Density Turbidity Currents.

    Baas, J. H., 1 Ion 2000, 2000 gol. Unknown.

    Allbwn ymchwil: Llyfr/AdroddiadAdroddiad Comisiwn

  15. Cyhoeddwyd

    Experimental turbidity current transport and deposition using scaled realistic bathymetry.

    Baas, J. H., McCaffrey, W. D., Pattaci, M. & Wyton, J., 1 Ion 2006.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  16. Cyhoeddwyd

    TDURE : A mathematical model for the duration of deposition from decelerating high-density turbidity currents.

    Baas, J. H., Van Dam, R. L. & Storms, J. E., 1 Ion 2000, t. 74-75.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  17. Cyhoeddwyd
  18. Cyhoeddwyd

    Rapid gravity flow transformation revealed in a single climbing ripple

    Baas, J. H., Best, J. & Peakall, J., 1 Mai 2021, Yn: Geology. 49, 5, t. 493-497

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. Cyhoeddwyd

    Deposits of depletive high-density turbidity currents: a flume analogue of bed geometry, structure and texture.

    Baas, J. H., Van Kesteren, W. & Postma, G., 1 Hyd 2004, Yn: Sedimentology. 51, 5, t. 1053-1088

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  20. Cyhoeddwyd

    An experimental model for turbulence modulation in natural clay-laden flows over flat beds, ripples and dunes.

    Baas, J. H., Best, J. L. & Kellman, P., 1 Ion 2006.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  21. Cyhoeddwyd

    Sediment gravity flows: Recent advances in process and field analysis – Introduction

    Baas, J. H., 1 Awst 2005, Yn: Sedimentary Geology. 179, 1-2, t. 1-3

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  22. Cyhoeddwyd

    Muddy Coasts of the World: Processes, Deposits and Function, by T. Healy, Y. Wang & J.-A. Healy

    Baas, J. H., 1 Ion 2003, Unknown.

    Allbwn ymchwil: Cyfraniad arallCyfraniad Arall

  23. Cyhoeddwyd

    Looking inside turbidity currents: the effects of spatial and temporal changes in velocity, concentration and grain size on depositional properties.

    Baas, J. H., McCaffrey, W. D., Choux, C. & Haughton, P. D., 1 Ion 2003.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  24. Cyhoeddwyd
  25. Cyhoeddwyd

    Physical Processes in Earth and Environmental Sciences, by M. Leeder & M. Pérez-Arlucea

    Baas, J. H., 1 Medi 2006, Unknown.

    Allbwn ymchwil: Cyfraniad arallCyfraniad Arall