Integrated Marine Information System

Mr Degrendele, Koen


Expertise
Thesaurus terms: Bathymetric surveys; Cartography; Databases; Monitoring

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Federale Overheidsdienst Economie, KMO, Middenstand en Energie; Algemene Directie Kwaliteit en Veiligheid; Afdeling Kwaliteit en Innovatie; Dienst Continentaal Plat (COPCO), more Function: Attaché Direct contact at institute: Tel.: +32-(0)2-277 84 11 E-mail:

Projects (3)

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Cartography of the morphology and composition of the seabed in the Belgian Territorial Sea and on the Belgian Continental Shelf, more
Mapping gradients in seafloor characteristics in the Belgian Part of the North Sea: MBES bases classification of the diverse sediment types and sediment plume dispersion due to sand extraction: detection and delimiation of sediment plumes with the MBES, more
Monitoring of the effects of sand and gravel extraction on the Belgian Continental Shelf and in the Belgian Territorial Sea, more

Publications (60)	Top \| Institute \| Publications \| Projects
A1 Publications (14) [show]
Kint, L.; Barette, F.; Degrendele, K.; Roche, M.; Van Lancker, V. (2023). Sediment variability in intermittently extracted sandbanks in the Belgian part of the North Sea. Front. Earth Sci. 11: 1154564. https://dx.doi.org/10.3389/feart.2023.1154564, more Praet, N.; Collart, T.; Ollevier, A.; Roche, M.; Degrendele, K.; De Rijcke, M.; Urban, P.; Vandorpe, T. (2023). The potential of multibeam sonars as 3D turbidity and SPM monitoring tool in the North Sea. Remote Sens. 15(20): 4918. https://dx.doi.org/10.3390/rs15204918, more Krabbendam, J.M.; Roche, M.; Van Lancker, V.R.M.; Nnafie, A.; Terseleer, N.; Degrendele, K.; de Swart, H.E. (2022). Do tidal sand waves always regenerate after dredging? Mar. Geol. 451: 106866. https://dx.doi.org/10.1016/j.margeo.2022.106866, more Wyns, L.; Roche, M.; Barette, F.; Van Lancker, V.; Degrendele, K.; Hostens, K.; De Backer, A. (2021). Near-field changes in the seabed and associated macrobenthic communities due to marine aggregate extraction on tidal sandbanks: a spatially explicit bio-physical approach considering geological context and extraction regimes. Cont. Shelf Res. 229: 104546. https://dx.doi.org/10.1016/j.csr.2021.104546, more Depestele, J.; Degrendele, K.; Esmaeili, M.; Ivanovic, A.; Kröger, S.; O’Neill, F.G.; Parker, R.; Polet, H.; Roche, M.; Teal, L.R.; Vanelslander, B.; Rijnsdorp, D. (2019). Comparison of mechanical disturbance in soft sediments due to tickler-chain SumWing trawl vs. electro-fitted PulseWing trawl. ICES J. Mar. Sci./J. Cons. int. Explor. Mer 76(1): 312-329. https://dx.doi.org/10.1093/icesjms/fsy124, more Debese, N.; Jacq, J.J.; Degrendele, K.; Roche, M.; Garlan, T. (2018). Osculatory surfaces extraction applied to monitoring of sub-marine sand materials. Mar. Geod. 41(6): 605-631. https://dx.doi.org/10.1080/01490419.2018.1509161, more Lucieer, V.; Roche, M.; Degrendele, K.; Malik, M.; Dolan, M.; Lamarche, G. (2018). User expectations for multibeam echo sounders backscatter strength data-looking back into the future. Mar. Geophys. Res. 39(1-2): 23-40. https://dx.doi.org/10.1007/s11001-017-9316-5, more Montereale-Gavazzi, G.; Roche, M.; Lurton, X.; Degrendele, K.; Terseleer, N.; Van Lancker, V. (2018). Seafloor change detection using multibeam echosounder backscatter: case study on the Belgian part of the North Sea. Mar. Geophys. Res. 39(1-2): 229-247. https://dx.doi.org/10.1007/s11001-017-9323-6, more Roche, M.; Degrendele, K.; Vrignaud, C.; Loyer, S.; Le Bas, T.; Augustin, J.-M.; Lurton, X. (2018). Control of the repeatability of high frequency multibeam echosounder backscatter by using natural reference areas. Mar. Geophys. Res. 39(1-2): 89-104. https://dx.doi.org/10.1007/s11001-018-9343-x, more Depestele, J.; Ivanovic, A.; Degrendele, K.; Esmaeili, M.; Polet, H.; Roche, M.; Summerbell, K.; Teal, L.R.; Vanelslander, B.; O'Neill, F.C. (2016). Measuring and assessing the physical impact of beam trawling. ICES J. Mar. Sci./J. Cons. int. Explor. Mer 73(Suppl. 1): i15-i26. https://dx.doi.org/10.1093/icesjms/fsv056, more Galparsoro, I; Agrafojo, X; Roche, M.; Degrendele, K. (2015). Comparison of supervised and unsupervised automatic classification methods for sediment types mapping using multibeam echosounder and grab sampling. Ital. J. Geosci. 134(1): 41-49. https://dx.doi.org/10.3301/IJG.2014.19, more Bellec, V.K.; Van Lancker, V.; Degrendele, K.; Roche, M.; Le Bot, S. (2010). Geo-environmental characterization of the Kwinte Bank. J. Coast. Res. SI 51: 63-76. https://dx.doi.org/10.2112/SI51-006.1, more Degrendele, K.; Roche, M.; Schotte, P.; Van Lancker, V.; Bellec, V.K.; Bonne, W. (2010). Morphological evolution of the Kwinte Bank central depression before and after the cessation of aggregate extraction. J. Coast. Res. SI 51: 77-86. https://dx.doi.org/10.2112/SI51-007.1, more Van Lancker, V.R.M.; Bonne, W.; Garel, E.; Degrendele, K.; Roche, M.; Van den Eynde, D.; Bellec, V.K.; Brière, C.; Collins, M.B.; Velegrakis, A. (2010). Recommendations for the sustainable exploitation of tidal sandbanks. J. Coast. Res. SI 51: 151-164. https://dx.doi.org/10.2112/SI51-014.1, more
Peer reviewed publication [show]
Montereale-Gavazzi, G.; Roche, M.; Degrendele, K.; Lurton, X.; Terseleer, N.; Baeye, M.; Francken, F.; Van Lancker, V. (2019). Insights into the short-term tidal variability of multibeam backscatter from field experiments on different seafloor types. Geosciences 9(1): 34. https://dx.doi.org/10.3390/geosciences9010034, more
Books (2) [show]
Degrendele, K.; Vandenreyken, H. (Ed.) (2017). Belgian marine sand: a scarce resource? Study day, 9 June 2017, Hotel Andromeda, Ostend. FPS Economy, S.M.E.s, Self-employed and Energy: Brussels. 164 pp., more Degrendele, K. (2008). De belangrijkste mijlpalen in het beheer van de zandwinning op zee. Workshop: Evolution et innovation dans l’extraction d’agrégats marins sur le Plateau continental belge. SPF Economie: Bruxelles. 8 pp., more
Book chapters (20) [show]
Barette, F.; Degrendele, K.; Roche, M.; Vandenreyken, H. (2021). Near-real time monitoring of marine aggregate extraction using AIS data, in: Vandenreyken, H. (Ed.) A 360° perspective on sea sand: Proceedings study day,19 November 2021, Zwin Natuur Park. pp. 57-66, more Degrendele, K.; Roche, M.; Barette, F.; Vandenreyken, H. (2021). The implementation of the new reference level for sand extraction on the Belgian Continental Shelf, in: Vandenreyken, H. (Ed.) A 360° perspective on sea sand: Proceedings study day,19 November 2021, Zwin Natuur Park. pp. 67-78, more Wyns, L.; Roche, M.; Barette, F.; Degrendele, K.; Van Lancker, V.; Hostens, K.; De Backer, A. (2021). Near-field changes in the seabed and associated macrobenthic communities due to marine aggregate extraction on tidal sandbanks: A spatially explicit biophysical approach considering geological context and extraction regimes, in: Vandenreyken, H. (Ed.) A 360° perspective on sea sand: Proceedings study day, 19 November 2021, Zwin Natuur Park. pp. 9-36, more Barette, F.; Degrendele, K.; Roche, M. (2020). Monitoring van de zandwinning en de impact op de zeebodem, in: Vandenreyken, H. (Ed.) De resultaten van het continue onderzoek uitgevoerd door de Dienst Continentaal Plat, het Instituut voor Landbouw-, Visserij- en Voedingsonderzoek en OD Natuur in de periode 2017-2020: Rapport voor de Raadgevende Commissie. pp. 14-19, more Debese, N.; Jacq, J.J.; Degrendele, K.; Roche, M. (2019). Osculatory surfaces applied to systematic errors estimation in repeated MBES surveys, in: Lefebvre, A. et al. International conference MARID VI - Marine and River Dune Dynamics 2019, 1 - 3 April 2019, Bremen, Germany: book of abstracts. pp. 69-76, more Terseleer, N.; Degrendele, K.; Kint, L.; Roche, M.; Van den Eynde, D.; Van Lancker, V.R.M. (2019). Automated estimation of seabed morphodynamic parameters, in: Lefebvre, A. et al. International conference MARID VI - Marine and River Dune Dynamics 2019, 1 - 3 April 2019, Bremen, Germany: book of abstracts. pp. 219-224, more Degrendele, K.; Roche, M.; Vandenreyken, H. (2017). New limits for the sand extraction on the Belgian part of the North Sea?, in: Degrendele, K. et al. (Ed.) Belgian marine sand: a scarce resource? Study day, 9 June 2017, Hotel Andromeda, Ostend. pp. 135-146, more Roche, M.; Degrendele, K.; Vandenreyken, H.; Schotte, P. (2017). Multi time and space scale monitoring of the sand extraction and its impact on the seabed by coupling EMS data and MBES measurements, in: Degrendele, K. et al. Belgian marine sand: a scarce resource? Study day, 9 June 2017, Hotel Andromeda, Ostend. pp. 5-37, more Van Lancker, V.; Francken, F.; Kapel, M.; Kint, L.; Terseleer, N.; Van den Eynde, D.; Degrendele, K.; Roche, M.; De Tré, G.; De Mol, R.; Missiaen, T.; Hademenos, V.; Stafleu, J.; Van Heteren, S.; van Maanen, P.-P.; van Schendel, J. (2017). Flexible querying of geological resource quantities and qualities, a sustainability perspective, in: Degrendele, K. et al. Belgian marine sand: a scarce resource? Study day, 9 June 2017, Hotel Andromeda, Ostend. pp. 121-133, more De Mol, L.; Degrendele, K.; Roche, M. (2014). Adaptation of the reference level for sand extraction: feasible or not?, in: De Mol, L. et al. (Ed.) 'Which future for the sand extraction in the Belgian part of the North Sea?'. Study day, 20 October 2014, Belgium Pier - Blankenberge. pp. 81-87, more Degrendele, K.; De Mol, L.; Roche, M.; Schotte, P.; Vandenreyken, H. (2014). Interactive presentation of the geographic information on the Belgian part of the North Sea, in: De Mol, L. et al. (Ed.) 'Which future for the sand extraction in the Belgian part of the North Sea?'. Study day, 20 October 2014, Belgium Pier - Blankenberge. pp. 111-112, more Degrendele, K.; Roche, M.; De Mol, L.; Schotte, P.; Vandenreyken, H. (2014). Synthesis of the monitoring of the aggregate extraction on the Belgian Continental Shelf from 2011 till 2014, in: De Mol, L. et al. (Ed.) 'Which future for the sand extraction in the Belgian part of the North Sea?'. Study day, 20 October 2014, Belgium Pier - Blankenberge. pp. 3-27, more Roche, M.; Degrendele, K.; De Mol, L.; Milano, R.; Van den Branden, R.; De Schepper, G. (2013). Essential facts of the monitoring of the sand extraction and its impact on the Flemish banks on the Belgian Continental Shelf from 2003 to 2012, in: Van Lancker, V. et al. (Ed.) MARID 2013: Fourth International Conference on Marine and River Dune Dynamics. Bruges, Belgium, 15-17 April 2013. VLIZ Special Publication, 65: pp. 223-230, more Van Lancker, V.; Baeye, M.; Francken, F.; Legrand, S.; Van den Eynde, D.; Degrendele, K.; De Mol, L.; Roche, M. (2013). Impact evaluation of marine aggregate extraction through adaptive monitoring of bottom shear stress in bedform areas, in: Van Lancker, V. et al. (Ed.) MARID 2013: Fourth International Conference on Marine and River Dune Dynamics. Bruges, Belgium, 15-17 April 2013. VLIZ Special Publication, 65: pp. 271-276, more Mathys, M.; Van Lancker, V.; De Backer, A.; Hostens, K.; Degrendele, K.; Roche, M. (2011). Application for a sand extraction concession in exploration Zone 4: Baseline studies on the Hinderbanks and future impact monitoring, in: Study day: Marine aggregate extraction: needs, guidelines and future prospects, 17 oktober 2011, Bredene. pp. 113-124, more Roche, M.; Degrendele, K.; De Mol, L.; Schotte, P.; Vandenreyken, H.; Van den Branden, R.; De Schepper, G. (2011). Synthesis of the monitoring of the impact from the aggregate extraction on the Belgian Continental Shelf, in: Study day: Marine aggregate extraction: needs, guidelines and future prospects, 17 oktober 2011, Bredene. pp. 3-45, more Van Lancker, V.R.M.; Bonne, W.; Garel, E.; Degrendele, K.; Roche, M.; Van den Eynde, D.; Bellec, V.; Brière, C.; Collins, M. (2007). Recommendations for the sustainable exploitation of tidal sandbanks, in: Van Lancker, V. et al. Management, research and budgetting of aggregates in shelf seas related to end-users (Marebasse). pp. 117-139, more Degrendele, K.; Roche, M. (2006). Monitoring the sand extraction on the Belgian Continental Shelf: methodology, results and expectations, in: Evolutions in hydrography, 6th - 9th November 2006, Provincial House Antwerp, Belgium: Proceedings of the 15th International Congress of the International Federation of Hydrographic Societies. Special Publication (Hydrographic Society), 55: pp. 70-74, more Reyns, J.; Degrendele, K.; Roche, M.; Schotte, P. (2005). Sedimentologische kartering van het Belgisch continentaal plat in het kader van de zandontginningen op de Vlaamse banken en de Thorntonbank, in: Witlox, F. et al. (Ed.) De Belgische Geografendagen: mobiliteit, maatschappij en milieu in kaart gebracht. Deel II, Gent, 9 november 2005 = Les Journées Geographiques Belges: mobilité, société et environnement en cartes. Tome II, Gand, le 9 novembre 2005. pp. 327-333, more Degrendele, K.; Roche, M.; Schotte, P. (2002). Project zandwinning: monitoring van de impact van de zandwinningen op de morfologie van the banken, in: Van Lancker, V.R.M. et al. (Ed.) Colloquium 'Kustzonebeheer vanuit geo-ecologische en economische invalshoek', 16-17 mei 2002, Oostende. VLIZ Special Publication, 10: pp. 1-7, more
Abstracts (16) [show]
Van Roozendael, B.; Degrendele, K.; Barette, F.; Vandenreyken, H.; Piette, A.-S.; Van Lancker, V.; Kint, L.; Baetens, K.; Denis, P.; Urban, P.; Praet, N.; Roche, M. (2024). Multidisciplinary approach to assess the far-field effects of sand extraction in the Belgian part of the North Sea, in: EGU General Assembly 2024. Vienna, Austria & Online, 14-19 April 2024. pp. EGU24-7810. https://dx.doi.org/10.5194/egusphere-egu24-7810, more Praet, N.; Collart, T.; Ollevier, A.; Roche, M.; Degrendele, K.; De Rijcke, M.; Vandorpe, T. (2023). The potential of multibeam sonars as 3D turbidity and SPM monitoring tool in the North Sea, in: Mees, J. et al. Book of abstracts – VLIZ Marine Science Day, 1 March 2023, Bruges. VLIZ Special Publication, 90: pp. 92-93, more Depestele, J.; Degrendele, K.; Esmaeili, M.; Ivanovic, A.; Kröger, S.; O’Neill, F.G.; Parker, R.; Polet, H.; Roche, M.; Summerbell, K.; Teal, L.R.; Vanelslander, B.; Rijnsdorp, A.D. (2019). Seabed impacts after mechanical disturbance by beam and pulse trawls in two North Sea experiments, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Marine Science Day. Bredene, Belgium, 13 March 2019. VLIZ Special Publication, 83: pp. 102, more Depestele, J.; Degrendele, K.; Esmaeili, M.; Ivanovic, A.; Kröger, S.; O’Neill, F.G.; Parker, R.; Polet, H.; Roche, M.; Summerbell, K.; Teal, L.R.; Vanelslander, B.; Rijnsdorp, A.D. (2018). Habitat impacts by beam and pulse trawling in the southern North Sea, in: Mees, J. et al. (Ed.) Book of abstracts – 53^rd European Marine Biology Symposium. Oostende, Belgium, 17-21 September 2018. VLIZ Special Publication, 82: pp. 39, more Van Lancker, V.R.M.; Kint, L.; Terseleer, N.; Hademenos, V.; Missiaen, T.; De Mol, R.; De Tré, G.; Van Heteren, S.v.H.; Stafleu, J.; Degrendele, K.; Roche, M. (2018). Transnational Belgian-Dutch geological knowledge base on marine aggregates. From 3D voxel modelling to 4D cross-border environmental assessments, in: RFG2018: Resources for Future Generations. International conference on energy, minerals, water and the earth, June 16-21 2018, Vancouver, BC, Canada. , more Lowie, N.; Van Rooij, D.; Degrendele, K.; Roche, M. (2017). Evaluation of the sand extraction impact on the seabed and the water column at short time and space scale in an intensively dredged area of the Belgian part of the North Sea by using multibeam echosounder bathymetric, backscatter strength and water column data, in: Mees, J. et al. Book of abstracts – VLIZ Marine Science Day. Brugge, Belgium, 3 March 2017. VLIZ Special Publication, 79: pp. 50-51, more Degrendele, K.; Roche, M.; Schotte, P.; Vandenreyken, H. (2016). What is the role of the economy in marine management, i.c. sand extraction?, in: Degraer, S. et al. (Ed.) North Sea Open Science Conference 7-10/11/2016. Abstract Booklet. pp. 118, more Montereale-Gavazzi, G.; De Bisschop, J.; Roche, M.; Degrendele, K.; Baeye, M.; Francken, F.; Van Lancker, V. (2016). Can multibeam-derived acoustic backscatter be used to monitor changes in seabed habitats?, in: Degraer, S. et al. (Ed.) North Sea Open Science Conference 7-10/11/2016. Abstract Booklet. pp. 77, more Terseleer, N.; Roche, M.; Degrendele, K.; Van den Eynde, D.; Van Lancker, V.R.M. (2016). Towards sustainable use of seabed resources using a combined monitoring-modelling approach, Belgian part of the North Sea, in: Degraer, S. et al. (Ed.) North Sea Open Science Conference 7-10/11/2016. Abstract Booklet. pp. 125, more Terseleer, N.; Degrendele, K.; Roche, M.; Van den Eynde, D.; Van Lancker, V. (2016). Dynamics of very-large dunes in sandbank areas subjected to marine aggregate extraction, Belgian continental shelf, in: Van Landeghem, K. et al. (Ed.) MARID 2016. Fifth International Conference on Marine and River Dune Dynamics, Caernarfon, United Kingdom, 4 ̶ 6 April 2016: Book of Abstracts. pp. 173-176, more Bellec, V.; Van Lancker, V.; Van den Eynde, D.; Fettweis, M.; Degrendele, K.; Roche, M.; Schotte, P. (2015). Large-scale correlation of the surficial sediments, morphology, hydrodynamic regime and sediment transport patterns on the Kwinte bank, a tidal sandbank on the Belgian shelf, in: (2005). 5th International Conference on Coastal Dynamics, 4-8 April, 2005, Barcelona, Spain: book of abstracts. pp. 422-423, more De Mol, L.; Degrendele, K.; Roche, R. (2015). Adaptation of the reference level for sand extraction: feasible or not?, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Young Scientists’ Day. Brugge, Belgium, 20 February 2015. VLIZ Special Publication, 71: pp. 45, more Depestele, J.; Degrendele, K.; Polet, H.; Roche, M.; Teal, L.; Vanelslander, B.; Rijnsdorp, A.D. (2014). One plus one is three: trawling differences from multi-beam imagery, in: Mees, J. et al. Book of abstracts – VLIZ Young Scientists’ Day. Brugge, Belgium, 7 March 2014. VLIZ Special Publication, 67: pp. 48, more Depestele, J.; Ivanovic, A.; Degrendele, K.; Esmaeili, M.; Polet, H.; Roche, M.; Summerbell, K.; Teal, L.; Vanelslander, B.; O’Neill, F.G. (2014). Instantaneous and physical changes to the benthic ecosystem caused by fishing activity, in: ICES symposium. Effects of fishing on benthic fauna, habitat and ecosystem function, June 16-19, 2014, Tromso, Norway: program and abstracts. pp. 38, more De Mol, L.; Degrendele, K.; Roche, M. (2011). Future prospects of the Continental Shelf Service: Poster abstract, in: Study day: Marine aggregate extraction: needs, guidelines and future prospects, 17 oktober 2011, Bredene. pp. 164, more Norro, A.; Degrendele, K.; Roche, M. (2011). Ground truthing of multibeam backscatter signals by in-situ sand thickness measurements: Poster abstract, in: Study day: Marine aggregate extraction: needs, guidelines and future prospects, 17 oktober 2011, Bredene. pp. 169, more
Reports (6) [show]
Van Lancker, V.; Francken, F.; Kapel, M.; Kint, L.; Terseleer, N.; Van den Eynde, D.; Hademenos, V.; Missiaen, T.; De Mol, R.; De Tre, G.; Appleton, R.; van Heteren, S.; van Maanen, P.-P.; Stafleu, J.; Stam, J.; Degrendele, K.; Roche, M. (2019). Transnational and Integrated Long-term Marine Exploitation Strategies (TILES): Final Report. (BRAIN-be - Belgian Research Action through Interdisciplinary Networks). Belgian Science Policy: Brussels. 75 pp., more Degrendele, K. (2016). Bepalen van een nieuw referentieoppervlak: Tussentijds rapport. FOD Economie, K.M.O., Middenstand en Energie, Kwaliteit en Veiligheid, Kwaliteit en Innovatie, Continentaal Plat: Brussel. 19 pp., more Houziaux, J.-S.; Kerckhof, F.; Degrendele, K.; Roche, M.F.; Norro, A. (2008). The Hinder banks: yet an important area for the Belgian marine biodiversity? Belgian Science Policy: Brussel. 248 pp., more Houziaux, J.-S.; Kerckhof, F.; Degrendele, K.; Roche, M.F.; Norro, A. (2008). The Hinder banks: yet an important area for the Belgian marine biodiversity? Belgian Science Policy: Brussel. 248 pp., more Degrendele, K. (2002). Geomorfologische en sedimentologische kartering van de Kwintebank en analyse van de evolutie door vergelijking met single beam gegevens, in: Ontginning van mariene zand en grind in het kader van de duurzame ontwikkeling: studiedag 7 november 2002 = L'exploitation de sable et de gravier marins dans le cadre du developpement durable: journée d'étude du 7 novembre 2002. pp. 1, more Vernemmen, C.; Degrendele, K.; Moerkerke, G.; Vande Wiele, T. (1997). Tussentijds verslag onderzoeksopdracht Westbank III. Research Unit Marine and Coastal Geomorphology (RUMACOG): Gent. 19 + bijlagen pp., more
Other publication [show]
Degrendele, K.; Kerckhof, F.; Houziaux, J.-S.; Norro, A.; Roche, M. (2008). Schatkamers van onze Noordzee: de laatste oase in gevaar, in: De Grote Rede 23. De Grote Rede: Nieuws over onze Kust en Zee, 23: pp. 3-10, more

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