Dr Tim Le Bas

Marine Geoscience
+44 (0)23 8059 6557

Multibeam bathymetry and backscatter data and side-scan sonar image processing and digital analysis on many systems including EM12, EM120, Reson 8101,7101,7125, TOBI and Geoacoustics and others. Development of new processing techniques for any type of acoustic system. Object Based Image Analyis software (RSOBIA). Marine geophysical databasing and Data Archive. Database management. Oceanographic Geographical Information Systems (GIS Marine). Co-coordinator of the 3rd-year Seafloor exploration and surveying course. Cape Verde morphology, mass wasting and erosion. Habitat Mapping methods and techniques - such as classification and texture mapping

Committee and Board Memberships: 

Ocean Margins Data Management Quality Assurance Committee


Book section

Huvenne, Veerle A.I.; Robert, Katleen; Marsh, Leigh; Lo Iacono, Claudio; Le Bas, Tim; Wynn, Russell B.. 2018 ROVs and AUVs. In: Micallef, A.; Krastel, S.; Savini, A., (eds.)Submarine Geomorphology. Cham, Switzerland, Springer, 93-108, 572pp. (Springer Geology).
Micallef, Aaron; Georgiopoulou, Aggeliki; Le Bas, Timothy; Mountjoy, Joshu; Huvenne, Veerle; Lo Iacono, Claudio. 2014 The Malta-Sicily Escarpment: Mass Movement Dynamics in a Sediment-Undersupplied Margin. In: Krastel, S.; Behrmann, J-H.; Volker, D.; Stipp, M.; Berndt, C.; Urgeles, R.; Chaytor, J.; Huhn, K.; Strasser, M.; Harbitz, C.B., (eds.)Submarine Mass Movements and Their Consequences: 6th International Symposium. Cham, Switzerland, Springer International, 317-328, 680pp. (Advances in Natural and Technological Hazards Research, 37).
Wynn, Russell B.; Talling, Peter J.; Masson, Douglas G.; Le Bas, Tim P.; Cronin, Bryan T.; Stevenson, Christopher J.. 2012 The Influence of Subtle Gradient Changes on Deep-Water Gravity Flows: A Case Study From the Moroccan Turbidite System. In: Prather, Bradford E.; Deptuck, Mark E.; Mohrig, David; Van Hoorn, Berend; Wynn, Russell B., (eds.)Application of the Principles of Seismic Geomorphology to Continental-Slope and Base-of-Slope Systems: Case Studies from Seafloor and Near-Seafloor Analogues. Tulsa, OK, SEPM Society for Sedimentary Geology, 371-383. (SEPM Special Publication, 99).
McPhail, S.D.; Stevenson, P.; Pebody, M.; Furlong, M.; Perrett, J.; LeBas, T.. 2010 Challenges of using an AUV to find and map hydrothermal vent sites in deep and rugged terrains. In:Proc. 2010 IEEE/OES Autonomous Underwater Vehicles (AUV) , Sept 1-3, 2010, Monterey, CA. Monterey, IEEE/OES, 8p.
Wynn, R.B.; Talling, P.J.; Masson, D.G.; Stevenson, C.J.; Cronin, B.T.; Le Bas, T.P.. 2010 Investigating the timing, processes and deposits of one the World¹s largest submarine gravity flows: the 'Bed 5 event' off northwest Africa. In: Mosher, D.C.; Shipp, C.; Moscardelli, L.; Chaytor, J.; Baxter, C.; Lee, H.; Urgeles, R., (eds.)Submarine mass movements and their consequences: 4th International Symposium, Austin, Texas, 9th-11th November 2009. Dordrecht, Netherlands, Springer, 463-474, 786pp. (Advances in Natural and Technological Hazards Research, 28).
Le Bas, T.P.; Masson, D.G.; Holtom, R.T.; Grevemeyer, I.. 2007 Slope failures of the flanks of the southern Cape Verde Islands. In: Lykousis, V.; Sakellariou, D.; Locat, J., (eds.)Submarine mass movements and their consequences: 3rd International Symposium. Dordrecht, Netherlands, Springer, 337-345, 424pp. (Advances in Natural and Technological Hazards Research, 27).
Huvenne, V.A.I.; Huehnerbach, V.; Blondel, Ph.; Gomez-Sichi, O.; Le Bas, T.. 2005 Detailed mapping of shallow-water environments using image texture analysis on sidescan sonar data and multibeam backscatter imagery. In: Papadakis, J.S.; Bjorno, L., (eds.)Proceedings of the International Conference “Underwater Acoustic Measurements: Technologies & Results”. Heraklion, Greece, Foundation for Research & Technology - Hellas, 879-886.
Krastel, S.; Schmincke, H-U.; Jacobs, C.L.; Le Bas, T.P.; Rihm, R.; Alibes, B.. 2003 Large-scale slides on the flanks of the Canary Islands. In: Mienert, J.; Weaver, P.P.E., (eds.)European margin sediment dynamics: side-scan sonar and seismic images. Berlin, Germany, Springer Verlag, 293-296, 309pp.
Masson, D.G.; Le Bas, T.P.; Bett, B.J.; Huehnerbach, V.; Jacobs, C.L.; Wynn, R.B.. 2003 Seafloor sediments and sedimentary processes on the outer continental shelf, continental slope and basin floor. In:Strategic Environmental Assessment: SEA 4. Consultation Document. London, Department of Trade and Industry, Sediments: 51pp.
Urgeles, R.; Masson, D.G.; Canals, M.; Watts, A.B.; Le Bas, T.P.; Mitchell, N.C.. 2003 Giant landslides off the islands of La Palma. In: Mienert, J.; Weaver, P.P.E., (eds.)European margin sediment dynamics: side-scan sonar and seismic images. Berlin, Germany, Springer Verlag, 297-300, 309pp.


Roche, Marc; Degrendele, Koen; Vrignaud, Christophe; Loyer, Sophie; Le Bas, Tim; Augustin, Jean-Marie; Lurton, Xavier. 2018 Control of the repeatability of high frequency multibeam echosounder backscatter by using natural reference areas. Marine Geophysical Research, 39 (1-2). 89-104.https://doi.org/10.1007/s11001-018-9343-x
Schimel, Alexandre C. G.; Beaudoin, Jonathan; Parnum, Iain M.; Le Bas, Tim; Schmidt, Val; Keith, Gordon; Ierodiaconou, Daniel. 2018 Multibeam sonar backscatter data processing. Marine Geophysical Research, 39 (1-2). 121-137.https://doi.org/10.1007/s11001-018-9341-z
Micallef, Aaron; Georgiopoulou, Aggeliki; Mountjoy, Joshu; Huvenne, Veerle A.I.; Lo Iacono, Claudio; Le Bas, Timothy; Del Carlo, Paola; Otero, Daniel Cunarro. 2016 Outer shelf seafloor geomorphology along a carbonate escarpment: The eastern Malta Plateau, Mediterranean Sea. Continental Shelf Research, 131. 12-27.10.1016/j.csr.2016.11.002
Yeo, I.A.; Devey, C.W,; Le Bas, T.P.; Augustin, N.; Steinführer, A.. 2016 Segment-scale volcanic episodicity: Evidence from the North Kolbeinsey Ridge, Atlantic. Earth and Planetary Science Letters, 439. 81-87.10.1016/j.epsl.2016.01.029
Huvenne, V.A.I.; Bett, B.J.; Masson, D.G.; Le Bas, T.P.; Wheeler, A.J.. 2016 Effectiveness of a deep-sea cold-water coral Marine Protected Area, following eight years of fisheries closure. Biological Conservation, 200. 60-69.https://doi.org/10.1016/j.biocon.2016.05.030
Colenutt, Andrew; Westhead, Keith; Evans, Jon; McVey, Stuart; Le Bas, Tim. 2015 Interpreting monitoring data for shoreline and geohazard mapping. Proceedings of the Institution of Civil Engineers - Maritime Engineering, 168 (3). 118-124.10.1680/jmaen.15.00018
Wynn, Russell B.; Huvenne, Veerle A.I.; Le Bas, Timothy P.; Murton, Bramley J.; Connelly, Douglas P.; Bett, Brian J.; Ruhl, Henry A.; Morris, Kirsty J.; Peakall, Jeffrey; Parsons, Daniel R.; Sumner, Esther J.; Darby, Stephen E.; Dorrell, Robert M.; Hunt, James E.. 2014 Autonomous Underwater Vehicles (AUVs): their past, present and future contributions to the advancement of marine geoscience. Marine Geology, 352. 451-468.10.1016/j.margeo.2014.03.012
Micallef, Aaron; Foglini, Federica; Le Bas, Timothy; Angeletti, Lorenzo; Maselli, Vittorio; Pasuto, Alessandro; Taviani, Marco. 2013 The submerged paleolandscape of the Maltese Islands: Morphology, evolution and relation to Quaternary environmental change. Marine Geology, 335. 129-147.10.1016/j.margeo.2012.10.017
Micallef, Aaron; Le Bas, Timothy P.; Huvenne, Veerle A.I.; Blondel, Philippe; Hühnerbach, Veit; Deidun, Alan. 2012 A multi-method approach for benthic habitat mapping of shallow coastal areas with high-resolution multibeam data. Continental Shelf Research, 39-40. 14-26.10.1016/j.csr.2012.03.008
Trofimovs, J.; Foster, C.; Sparks, R.S.J.; Loughlin, S.; le Friant, A.; Deplus, C.; Porritt, L.; Christopher, T.; Luckett, R.; Talling, P.J.; Palmer, M.R.; Le Bas, T.. 2012 Submarine pyroclastic deposits formed during the 20th May 2006 dome collapse of the Soufriere Hills Volcano, Montserrat. Bulletin of Volcanology, 74 (2). 391-405.10.1007/s00445-011-0533-5
Yeo, Isobel; Searle, Roger C.; Achenbach, Kay L.; Le Bas, Tim P.; Murton, Bramley J.. 2012 Eruptive hummocks: Building blocks of the upper ocean crust. Geology, 40 (1). 91-94.10.1130/G31892.1
Connelly, Douglas P.; Copley, Jonathan T.P.; Murton, Bramley J.; Stansfield, Kate; Tyler, Paul A.; German, Christopher R.; Van Dover, Cindy L.; Amon, Diva; Furlong, Maaten; Grindlay, Nancy; Hayman, Nicholas; Hühnerbach, Veit; Judge, Maria; Le Bas, Tim; McPhail, Stephen; Meier, Alexandra; Nakamura, Ko-ichi; Nye, Verity; Pebody, Miles; Pedersen, Rolf B.; Plouviez, Sophie; Sands, Carla; Searle, Roger C.; Stevenson, Peter; Taws, Sarah; Wilcox, Sally. 2012 Hydrothermal vent fields and chemosynthetic biota on the world's deepest seafloor spreading centre. Nature Communications, 3. 620.10.1038/ncomms1636
Huvenne, Veerle A.I.; Tyler, Paul A.; Masson, Doug G.; Fisher, Elizabeth H.; Hauton, Chris; Hühnerbach, Veit; Le Bas, Timothy P.; Wolff, George A.. 2011 A Picture on the Wall: Innovative Mapping Reveals Cold-Water Coral Refuge in Submarine Canyon. PLoS ONE, 6 (12). e28755.10.1371/journal.pone.0028755
Masson, D.G.; Huvenne, V.A.I.; de Stigter, H.C.; Arzola, R.G.; LeBas, T.P.. 2011 Sedimentary processes in the middle Nazaré Canyon. Deep Sea Research Part II Topical Studies in Oceanography, 58 (23-24). 2369-2387.10.1016/j.dsr2.2011.04.003
Sear, D.A.; Bacon, S.R.; Murdock, A.; Doneghan, G.; Baggaley, P.; Serra, C.; LeBas, T.P.. 2011 Cartographic, geophysical and diver surveys of the medieval town Site at Dunwich, Suffolk, England. International Journal of Nautical Archaeology, 40 (1). 113-132.10.1111/j.1095-9270.2010.00275.x
Benn, Angela R.; Weaver, Philip P.; Billett, David S.M.; van den Hove, Sybille; Murdock, Andrew P.; Doneghan, Gemma B.; Le Bas, Tim. 2010 Human Activities on the Deep Seafloor in the North East Atlantic: An Assessment of Spatial Extent. PLoS ONE, 5 (9). e12730.10.1371/journal.pone.0012730
Searle, R.C.; Murton, B.J.; Achenbach, K.; LeBas, T.; Tivey, M.; Yeo, I.; Cormier, M.H.; Carlut, J.; Ferreira, P.; Mallows, C.; Morris, K.; Schroth, N.; van Calsteren, P.; Waters, C.. 2010 Structure and development of an axial volcanic ridge: Mid-Atlantic Ridge, 45°N. Earth and Planetary Science Letters, 299 (1-2). 228-241.10.1016/j.epsl.2010.09.003
Masson, D.G.; Le Bas, T.P.; Grevemeyer, I.; Weinrebe, W.. 2008 Flank collapse and large-scale landsliding in the Cape Verde Islands, off West Africa. Geochemistry, Geophysics, Geosystems, 9. Q07015.10.1029/2008GC001983
Masson, D.G.; Watts, A.B.; Gee, M.J.R.; Urgeles, R.; Mitchell, N.C.; Le Bas, T.P.; Canals, M.. 2002 Slope failure on the flanks of the western Canary Islands. Earth-Science Reviews, 57 (1/2). 1-35.10.1016/S0012-8252(01)00069-1
Krastel, S.; Schmincke, H-U.; Jacobs, C.L.; Rihm, R.; Le Bas, T.P.; Alibes, B.. 2001 Submarine landslides around the Canary Islands. Journal of Geophysical Research, 106 (B3). 3977-3997.
Urgeles, R.; Masson, D.G.; Canals, M.; Watts, A.B.; Le Bas, T.P.. 1999 Recurrent large-scale landsliding on the west flank of La Palma, Canary Islands. Journal of Geophysical Research, 104 (B11). 25331-25348.
Hey, R.N.; Johnson, P.D.; Martinez, F.; Korenaga, J.; Somers, M.L.; Huggett, Q.J.; Le Bas, T.P.; Rusby, R.I.; Naar, D.F.. 1995 Plate boundary reorganization at a large-offset, rapidly propagating rift. Nature, 378 (6553). 167-170.10.1038/378167a0


Buxton, S.D.; Le Bas, T.P.. 1990 GEOPLOT: User guide and programmer's guide. Wormley, UK, Institute of Oceanographic Sciences Deacon Laboratory, 89pp. (Institute of Oceanographic Sciences Deacon Laboratory Report 279)
Le Bas, T.P.; Evans, J.M.. 1988 Marine geophysical data acquired 1984 - 1987: database summary. Wormley, UK, Institute of Oceanographic Sciences Deacon Laboratory, 83pp. (Institute of Oceanographic Sciences Deacon Laboratory Report 254)

Electronic output

Micallef, Aaron; Georgiopoulou, Aggeliki; Huvenne, Veerle; Mountjoy, Joshua; Le Bas, Tim; Lo Iacono, Claudio; Morelli, Eleonara; Tubau, Dario. CUMECS documentary. http://www.youtube.com/watch?v=ovw2EPt3Xgc&feature=player_embedded [Output (Electronic)]