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Ms Nechad, Bouchra

Institutes (3)
Publications (61)

Koninklijk Belgisch Instituut voor Natuurwetenschappen; Operationele Directie Natuurlijk Milieu; Dataverwerking en modellering van ecosystemen (ECODAM), more

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Tel.: +32-(0)2-773 21 01
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Koninklijk Belgisch Instituut voor Natuurwetenschappen; Departement Beheer van het Mariene Ecosysteem; Beheerseenheid Mathematisch Model Noordzee en Schelde-estuarium; Remote Sensing and Ecosystem Modelling Team (REMSEM), more

Direct contact at institute:
E-mail:

Koninklijk Belgisch Instituut voor Natuurwetenschappen; Departement Beheer van het Mariene Ecosysteem; Beheerseenheid Mathematisch Model Noordzee en Schelde-estuarium; Brussel (KBIN-BMM), more

Direct contact at institute:
Tel.: +32-(0)2-773 21 01
Fax: +32-(0)2-770 69 72
E-mail:

A1 Publications (15) [show]
Fettweis, M.; Riethmüller, R.; Verney, R.; Becker, M.; Backers, J.; Baeye, M.; Chapalain, M.; Claeys, S.; Claus, J.; Cox, T. (2019). Uncertainties associated with in situ high-frequency long-term observations of suspended particulate matter concentration using optical and acoustic sensors. Prog. Oceanogr. 178: 102162. https://dx.doi.org/10.1016/j.pocean.2019.102162, more Knaeps, E.; Doxaran, D.; Dogliotti, A.; Nechad, B.; Ruddick, K.; Raymaekers, D.; Sterckx, S. (2018). The SeaSWIR dataset. ESSD 10(3): 1439-1449. https://dx.doi.org/10.5194/essd-10-1439-2018, more Tiessen, M.C.H.; Eleveld, M.A.; Nauw, J.J.; Nechad, B.; Gerkema, T. (2017). Depth dependence and intra-tidal variability of Suspended Particulate Matter transport in the East Anglian plume. J. Sea Res. 127: 2-11. https://dx.doi.org/10.1016/j.seares.2017.03.008, more Doxaran, D.; Leymarie, E.; Nechad, B.; Dogliotti, A.; Ruddick, K.; Gernez, P.; Knaeps, E. (2016). Improved correction methods for field measurements of particulate light backscattering in turbid waters. Optics Express 24(4): 3615-3637. https://dx.doi.org/10.1364/OE.24.003615, more Ody, A; Doxaran, D; Vanhellemont, Q.; Nechad, B.; Novoa, S; Many, G; Bourrin, F; Verney, R; Pairaud, I; Gentili, B (2016). Potential of high spatial and temporal ocean color satellite data to study the dynamics of suspended particles in a micro-tidal river plume. Remote Sens. 8(3): 35 pp. dx.doi.org/10.3390/rs8030245, more Dogliotti, A.I.; Ruddick, K.G.; Nechad, B.; Doxaran, D.; Knaeps, E. (2015). A single algorithm to retrieve turbidity from remotely-sensed data in all coastal and estuarine waters. Remote Sens. Environ. 156: 157-168. http://dx.doi.org/10.1016/j.rse.2014.09.020, more Knaeps, E.; Ruddick, K.G.; Doxaran, D.; Dogliotti, A.I.; Nechad, B.; Raymaekers, D.; Sterckx, S. (2015). A SWIR based algorithm to retrieve total suspended matter in extremely turbid waters. Remote Sens. Environ. 168: 66-79. http://dx.doi.org/10.1016/j.rse.2015.06.022, more Nechad, B.; Ruddick, K.; Schroeder, T.; Oubelkheir, K.; Blondeau-Patissier, D.; Cherukuru, N.; Brando, V.; Dekker, A.; Clementson, L.; Banks, A.C.; Maritorena, S.; Werdell, P.J.; Sá, C.; Brotas, V.; Caballero de Frutos, I.; Ahn, Y.-H.; Salama, S.; Tilstone, G.; Martinez-Vicente, V.; Foley, D.; McKibben, M.; Nahorniak, J.; Peterson, T.; Siliò-Calzada, A.; Röttgers, R.; Lee, Z.; Peters, M.; Brockmann, C. (2015). CoastColour Round Robin data sets: a database to evaluate the performance of algorithms for the retrieval of water quality parameters in coastal waters. ESSD 7(2): 319-348. https://dx.doi.org/10.5194/essd-7-319-2015, more Katlane, R.; Nechad, B.; Ruddick, K.; Zargouni, F. (2013). Optical remote sensing of turbidity and total suspended matter in the Gulf of Gabes. Arab. J. Geosci. 6(5): 1527-1535. http://dx.doi.org/10.1007/s12517-011-0438-9, more Fettweis, M.; Nechad, B. (2011). Evaluation of in situ and remote sensing sampling methods of SPM concentration, Belgian continental shelf (southern North Sea). Ocean Dynamics 61(2-3): 157-171. dx.doi.org/10.1007/s10236-010-0310-6, more Nechad, B.; Alvera-Azcaràte, A.; Ruddick, K.; Greenwood, N. (2011). Reconstruction of MODIS total suspended matter time series maps by DINEOF and validation with autonomous platform data. Ocean Dynamics 61(8): 1205-1214. http://dx.doi.org/10.1007/s10236-011-0425-4, more Sirjacobs, D.; Alvera-Azcárate, A.; Barth, A.; Lacroix, G.; Park, Y.; Nechad, B.; Ruddick, K.G.; Beckers, J.-M. (2011). Cloud filling of ocean colour and sea surface temperature remote sensing products over the Southern North Sea by the Data Interpolating Empirical Orthogonal Functions methodology. J. Sea Res. 65(1): 114-130. Dx.doi.org/10.1016/j.seares.2010.08.002, more Nechad, B.; Ruddick, K.G.; Park, Y. (2010). Calibration and validation of a generic multisensor algorithm for mapping of total suspended matter in turbid waters. Remote Sens. Environ. 114(4): 854-866. http://dx.doi.org/10.1016/j.rse.2009.11.022, more Neukermans, G.; Ruddick, K.; Bernard, E.; Ramon, D.; Nechad, B.; Deschamps, P.-Y. (2009). Mapping total suspended matter from geostationary satellites: a feasibility study with SEVIRI in the Southern North Sea. Optics Express: the international electronic journal of optics 17(16): 14029-14052, more Fettweis, M.; Nechad, B.; Van den Eynde, D. (2007). An estimate of the suspended particulate matter (SPM) transport in the southern North Sea using SeaWiFS images, in situ measurements and numerical model results. Cont. Shelf Res. 27(10-11): 1568-1583. dx.doi.org/10.1016/j.csr.2007.01.017, more
Peer reviewed publications (7) [show]
Fettweis, M.; Monbaliu, J.; Baeye, M.; Nechad, B.; Van den Eynde, D. (2012). Weather and climate induced spatial variability of surface suspended particulate matter concentration in the North Sea and the English Channel. Meth. Oceanogr. 3-4: 25-39. http://dx.doi.org/10.1016/j.mio.2012.11.001, more Dogliotti, A.I.; Ruddick, K.; Nechad, B.; Lasta, C.; Mercado, A.; Hozbor, C.; Guerrero, R.; López, G.R.; Abelando, M. (2011). Calibration and validation of an algorithm for remote sensing of turbidity over La Plata river estuary, Argentina. EARSeL eProc. 10(2): 119-130, more Nechad, B.; Ruddick, K. (2010). A model of diffuse attenuation of downwelling irradiance for ecosystem models, in: Frouin, R.J. et al. (Ed.) Remote Sensing of the Coastal Ocean, Land, and Atmosphere Environment. Incheon, South Korea, October 13-14, 2010. Proceedings of SPIE, the International Society for Optical Engineering, 7858. dx.doi.org/10.1117/12.872979, more Nechad, B.; Ruddick, K.G.; Neukermans, G. (2009). Calibration and validation of a generic multisensor algorithm for mapping of turbidity in coastal waters, in: Bostater, C.R. et al. Remote Sensing of the Ocean, Sea Ice, and Large Water Regions 2009. Berlin, Germany, August 31, 2009. Proceedings of SPIE, the International Society for Optical Engineering, 74730: pp. 11. https://dx.doi.org/10.1117/12.830700, more Van den Eynde, D.; Nechad, B.; Fettweis, M.; Francken, F. (2007). Seasonal variability of suspended particulate matter observed from SeaWiFS images near the Belgian coast, in: Maa, J.P.-Y. et al. (Ed.) Estuarine and coastal fine sediments dynamics: INTERCOH 2003. Proceedings in Marine Science, 8: pp. 291-311. dx.doi.org/10.1016/S1568-2692(07)80019-2, more Van Mol, B.; Ruddick, K.; Astoreca, R.; Park, Y.; Nechad, B. (2007). Optical detection of a Noctiluca scintillans bloom. EARSeL eProc. 6(2): 130-137, more De Cauwer, V.; Ruddick, K.; Park, Y.; Nechad, B.; Kyramarios, M. (2004). Optical remote sensing in support of eutrophication monitoring in the southern North Sea. EARSeL eProc. 3(2): 208-221, more
Book chapters (19) [show]
Baeye, M.; Fettweis, M.; Nechad, B.; Van Lancker, V. (2012). Spatio-temporal variation of surface suspended particulate matter concentration in the Belgian-Dutch coastal zone, in: Baeye, M. Hydro-meteorological influences on the behaviour and nature of sediment suspensions in the Belgian-Dutch coastal zone = Hydro-meteorologische effecten op het gedrag en samenstelling van sedimentsuspensies in de Belgisch-Nederlandse kustzone. pp. 51-68, more Fettweis, M.; Monbaliu, J.; Nechad, B.; Baeye, M.; Van den Eynde, D. (2012). Weather and climate related spatial variability of high turbidity areas in the North Sea and the English Channel, in: 44^th international Liège colloquium on ocean dynamics "Remote sensing of colour, temperature and salinity – new challenges and opportunities" - May 7-11, 2012. pp. 2, more Lee, Z.; Ruddick, K.; Shang, S.; Nechad, B. (2012). Towards high-temporal resolution observation of euphotic zone depth in the North Sea, in: 44^th international Liège colloquium on ocean dynamics "Remote sensing of colour, temperature and salinity – new challenges and opportunities" - May 7-11, 2012. pp. 1, more Nechad, B.; Ruddick, K. (2012). An algorithm for the attenuation of the photosynthetically available radiation (KPAR): application to MODIS and MERIS imagery and validation with Smart Buoys plateforms, in: 44^th international Liège colloquium on ocean dynamics "Remote sensing of colour, temperature and salinity – new challenges and opportunities" - May 7-11, 2012. pp. 2, more Dogliotti, A.I.; Ruddick, K.; Nechad, B.; Lasta, C. (2011). Improving water reflectance retrieval from MODIS imagery in the highly turbid waters of La Plata river, in: Proceedings of VI International Conference «Current problems in optics of natural waters» (ONW’2011), St. Petersburg, Russia, September 6-9, 2011. pp. 8, more Borges, A.V.; Ruddick, K.; Lacroix, G.; Nechad, B.; Asteroca, R.; Rousseau, V.; Harlay, J. (2010). Estimating pCO₂ from remote sensing in the Belgian coastal zone, in: Lacoste-Francis, H. (Ed.) Proceedings of ESA Living Planet Symposium 28 June – 2 July 2010 Bergen, Norway. ESA Special Publications, 686: pp. [1-6], more Nechad, B.; Ruddick, K.; Neukermans, G. (2010). Remote sensing of the diffuse attenuation coefficient and related parameters in turbid waters: state of the art and future perspectives, in: Proceedings Ocean Optics XX, September 25–October 1, 2010, Anchorage, Alaska. , more Neukermans, G.; Nechad, B.; Ruddick, K. (2008). Optical remote sensing of coastal waters from geostationary platforms: a feasibility study - Mapping Total Suspended Matter with SEVIRI, in: Proceedings Ocean Optics XIX, 6-10 October 2008, Barga. pp. 14, more Ruddick, K.; Nechad, B.; Park, Y.; Doxaran, D.; Sirjacobs, D.; Beckers, J.-M. (2008). Remote sensing of suspended particulate matter in turbid waters: state of the art and future perspectives, in: Proceedings Ocean Optics XIX, 6-10 October 2008, Barga. pp. 12, more Ruddick, K.; Lacroix, G.; Lancelot, C.; Nechad, B.; Park, Y.; Peters, S.; Van Mol, B. (2008). Optical remote sensing in the North Sea, in: Barale, V. et al. (Ed.) Remote sensing of the European seas. pp. 79-90, more Sirjacobs, D.; Alvera-Azcárate, A.; Barth, A.; Lacroix, G.; Nechad, B.; Park, Y.; Ruddick, K.; Beckers, J.-M. (2008). Reconstruction of missing satellite total suspended matter data over the Southern North Sea and English Channel using empirical orthogonal function decomposition of satellite imagery and hydrodynamical modelling, in: Proceedings Ocean Optics XIX, 6-10 October 2008, Barga. pp. 9, more Sirjacobs, D.; Alvera-Azcárate, A.; Barth, A.; Park, Y.; Nechad, B.; Ruddick, K.; Beckers, J.-M. (2008). Cloud filling of total suspended matter, cholorphyll and sea surface temperature remote sensing products by the Data Interpolation with Empirical Orthogonal Functions methodology, application to the BELCOLOUR-1 database, in: Proceedings of the 2nd MERIS/(A)ATSR User Workshop, 22–26 September 2008, ESRIN, Frascati, Italy. ESA Special Publications, 666: pp. 6, more Pison, V.; Nechad, B. (2006). Towards an assimilation of MODIS-derived Sea Surface Temperature (SST) by the Optos_nos model, in: Dahlin, H. et al. European operational oceanography: present and future: Proceedings of the Fourth International Conference on EuroGOOS. pp. 154-158, more Park, Y.; De Cauwer, V.; Nechad, B.; Ruddick, K. (2004). Validation of MERIS water products for Belgian coastal waters: 2002-2003, in: Proceedings of the MERIS and AATSR calibration and geographical validation workshop held in Frascati, 20-24 October 2003. ESA Special Publications, : pp. 1-16, more Van Mol, B.; Park, Y.; Ruddick, K.; Nechad, B. (2004). Mapping of chlorophyll and suspended particulate matter maps from CHRIS imagery of the Oostende core site, in: Lacoste, H. (Ed.) Proceedings of the 2nd CHRIS/Proba Workshop 28-30 April 2004 ESRIN, Frascati, Italy. ESA Special Publications, 578: pp. 1-8, more Nechad, B.; De Cauwer, V.; Park, Y.; Ruddick, K.G. (2003). Suspended Particulate Matter (SPM) mapping from MERIS imagery. Calibration of a regional algorithm for the Belgian coastal waters, in: Lacoste, H. (Ed.) (2004). Proceedings of MERIS User Workshop 10-13 November 2003 ESA-ESRIN, Frascati, Italy. ESA Special Publications, 549: pp. 1-6, more Nechad, B.; Van den Eynde, D.; Fettweis, M.; Francken, F. (2003). Suspended particulate matter mapping from multitemporal SeaWiFS imagery over the southern North Sea - SEBAB project, in: Smits, P.C. et al. (Ed.) (2004). Analysis Of Multi-Temporal Remote Sensing Images: Proceedings Of The Second International Workshop on the Joint Research Centre Ispra, Italy 16-18 July 2003. pp. 357-367, more Ruddick, K.; Park, Y.; Nechad, B. (2003). MERIS imagery of Belgian coastal waters: mapping of suspended particulate matter and chlorophyll-a, in: Lacoste, H. (Ed.) (2004). Proceedings of MERIS User Workshop 10-13 November 2003 ESA-ESRIN, Frascati, Italy. ESA Special Publications, 549: pp. 1-10, more Ruddick, K.G.; De Cauwer, V.; Park, Y.; Becu, G.; De Blauwe, J.-P.; De Vreker, E.; Deschamps, P.-Y.; Knockaert, M.; Nechad, B.; Pollentier, A.; Roose, P.; Saudemont, D.; Van Tuyckom, D. (2002). Preliminary validation of MERIS water products for Belgian coastal waters, in: Envisat Validation Workshop 9-13 December 2002 ESRIN, Frascati, Italy. ESA Special Publications, 531: pp. 1-15, more
Abstracts (6) [show]
Borges, A.V.; Champenois, W.; Gypens, N.; Delille, B.; Harlay, J.; Ruddick, K.; Nechad, B.; Vandenberghe, T.; Strobbe, F.; De Cauwer, K.; Lagring, R. (2016). Methane dynamics in the Belgian coastal zone, a contribution to the BELSPO project "4 decades of Belgian marine monitoring" (4Demon), in: Degraer, S. et al. (Ed.) North Sea Open Science Conference 7-10/11/2016. Abstract Booklet. pp. 45, more Vanhellemont, Q.; Nechad, B.; Ruddick, K. (2011). Gridding and archiving of satellite-derived oceanographic data for any region on earth, in: Longhorn, R. et al. (Ed.) CoastGIS 2011 5-8 September 2011 Oostende, Belgium. 10th International Symposium on GIS and Computer Mapping for Coastal Management. 2011 Theme: Marine Spatial Planning. Book of Abstracts. pp. 26-27, more Vanhellemont, Q.; Nechad, B.; Ruddick, K. (2011). Creating a regional, multi-year archive of satellite-derived sea surface temperature, chlorophyll a and total suspended matter concentrations, in: Mees, J. et al. (Ed.) VLIZ Young Marine Scientists' Day, Brugge, Belgium 25 February 2011: book of abstracts. pp. 103, more Neukermans, G.; Bernard, E.; Nechad, B.; Ramon, D.; Deschamps, P.-Y.; Ruddick, K. (2009). Geostationary ocean colour feasibility study: mapping suspended matter with SEVIRI, in: Mees, J. et al. (Ed.) VLIZ Young Scientists' Day, Brugge, Belgium 6 March 2009: book of abstracts. VLIZ Special Publication, 41: pp. 56, more Van Mol, B.; Park, Y.; Nechad, B.; Ovidio, F.; Ruddick, K. (2007). Chlorophyll-a, total suspended matter and sea surface temperature maps of the North Sea available through the BELCOLOUR project, in: Mees, J. et al. (Ed.) VLIZ Young Scientists' Day, Brugge, Belgium 2 March 2007: book of abstracts. VLIZ Special Publication, 39: pp. 64, more Ozer, J.; Pison, V.; Scory, S.; Van den Eynde, D.; Nechad, B. (2006). Towards confidence indexes for model forecast in coastal waters, in: ICES 2006 Annual Science Conference 19-23 September; Business meetings 17-26 September, 2006, Maastricht, The Netherlands. Handbook; Contributions, agendas and orders of the day: abstracts. pp. 146, more
Reports (11) [show]
Fettweis, M.; Baeye, M.; Francken, F.; Lee, B.J.; Nechad, B.; Van den Eynde, D.; Van Lancker, V. (2013). Monitoring en modellering van het cohesieve sedimenttransport en evaluatie van de effecten op het mariene ecosysteem ten gevolge van bagger- en stortoperatie (MOMO): activiteitsrapport (1 juli 2012 - 31 december 2012). Beheerseenheid Mathematisch Model Noordzee (BMM): Brussel. 37 + appendices, 1 CD-ROM pp., more Ruddick, K.; Astoreca, R.; Borges, A.V.; Dekker, A.; Dogliotti, A.; Doxaran, D.; Harlay, J.; Knaeps, E.; Lancelot, C.; Nechad, B.; Neukermans, G.; Park, Y.; Raymaekers, D.; Rousseau, V.; Schroeder, T.; Sterckx, S.; Tote, C.; Van Mol, B. (2012). Optical remote sensing of marine and inland waters (“BELCOLOUR-2”). Belgian Science Policy: Brussel. 57 pp., more Fettweis, M.; Nechad, B.; Van den Eynde, D.; Francken, F.; Van Lancker, V. (2010). Monitoring en modellering van het cohesieve sedimenttransport en evaluatie van de effecten op het mariene ecosysteem ten gevolge van bagger- en stortoperatie (MOMO): activiteitsrapport (1 januari 2010 - 30 juni 2010). Beheerseenheid van het Mathematisch Model van de Noordzee (BMM): Brussel. 32 + appendices pp., more Fettweis, M.; Van den Eynde, D.; Francken, F.; Nechad, B. (2008). MOnitoring en MOdellering van het cohesieve sedimenttransport en evaluatie van de effecten op het mariene ecosysteem ten gevolge van bagger- en stortoperatie (MOMO): activiteitsrapport 4 (1 oktober 2007 - 31 maart 2008). Beheerseenheid van het Mathematisch Model van de Noordzee (BMM): Brussel. 57 + appendices pp., more Fettweis, M.; Du Four, I.; Zeelmaekers, E.; Baeteman, C.; Francken, F.; Houziaux, J.-S.; Mathys, M.; Nechad, B.; Pison, V.; Vandenberghe, N.; Van den Eynde, D.; Van Lancker, V.R.M.; Wartel, S. (2007). Mud Origin, Characterisation and Human Activities (MOCHA): Final report. Belgian Science Policy: Brussel. 59 pp., more Fettweis, M.; Francken, F.; Nechad, B.; Pison, V.; Van den Eynde, D. (2004). Monitoring en modellering van het cohesieve sedimenttransport en evaluatie van de effecten op het mariene ecosysteem ten gevolge van bagger- en stortoperatie (MOMO): activiteitsrapport 2 (oktober 2003 - maart 2004). Beheerseenheid van het Mathematisch Model van de Noordzee (BMM): Brussel. 33 + appendices pp., more Fettweis, M.; Nechad, B.; Francken, F.; Van den Eynde, D. (2004). Monitoring en MOdellering van het cohesieve sedimenttransport en evaluatie van de effecten op het mariene ecosysteem ten gevolge van bagger- en stortoperatie (MOMO): activiteitsrapport 1 (1 april 2004 - 30 september 2004). Beheerseenheid van het Mathematisch Model van de Noordzee (BMM): Brussel. 35 + appendices pp., more Fettweis, M.; Nechad, B.; Francken, F.; Van den Eynde, D. (2004). Monitoring en MOdellering van het cohesieve sedimenttransport en evaluatie van de effecten op het mariene ecosysteem ten gevolge van bagger- en stortoperatie (MOMO): activiteitsrapport 1 (1 april 2004 - 30 september 2004). Beheerseenheid van het Mathematisch Model van de Noordzee (BMM): Brussel. 35 + appendices pp., more Fettweis, M.; Francken, F.; Nechad, B.; Van den Eynde, D. (2003). Monitoring en modellering van het cohesieve sedimenttransport en evaluatie van de effecten op het mariene ecosysteem ten gevolge van bagger- en stortoperatie (MOMO): activiteitsrapport 1 (april 2003 - september 2003). Beheerseenheid van het Mathematisch Model van de Noordzee (BMM): Brussel. 34 + pp., more Fettweis, M.; Nechad, B.; Francken, F.; Van den Eynde, D. (2002). Bepaling van de sedimentbalans voor de Belgische kustwateren (SEBAB-III): activiteitsrapport 1. Dynamica van het gesuspendeerde particulair materiaal (SPM) op het Belgisch Continentaal Plat. Beheerseenheid van het Mathematisch Model van de Noordzee (BMM): Brussel. 29 + appendices pp., more Fettweis, M.; Nechad, B.; Francken, F.; Van den Eynde, D. (2002). Bepaling van de sedimentbalans voor de Belgische kustwateren (SEBAB-III): activiteitsrapport 1. Dynamica van het gesuspendeerde particulair materiaal (SPM) op het Belgisch Continentaal Plat. Beheerseenheid van het Mathematisch Model van de Noordzee (BMM): Brussel. 29 + appendices pp., more
Other publications (3) [show]
Fettweis, M.; Nechad, B.; Van Lancker, V.; Van den Eynde, D. (2010). Evaluation of in situ and remote sensing sampling methods of SPM concentration, in: AGU Ocean Science Meeting, 22-26 February, Portland (USA). , more Fettweis, M.; Nechad, B.; Van den Eynde, D. (2009). Comparison between SPM concentration from satellite images and in situ measurements from the Belgian continental shelf (southern North Sea), in: 10th International Conference on Nearshore and Estuarine Cohesive Sediment Transport Processes (INTERCOH '09), Rio de Janeiro/Paraty, Brazil, 3-8 may 2009: book of abstracts. , more Neukermans, G.; Nechad, B.; Ruddick, K. (2008). Very high temporal resolution mapping of total suspended matter in the North Sea with SEVIRI data: a feasibility study. MUMM: Brussel. 1 poster pp., more