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Knaeps, Els

Institutes (2)  Top | Institutes | Publications | Project | Datasets 
  • Vlaamse overheid; Beleidsdomein Economie, Wetenschap en Innovatie; Vlaamse Instelling voor Technologisch Onderzoek; Teledetectie en Aardobservatieprocessen (TAP), more
  • Function: Scientist

    Direct contact at institute:
    Tel.: +32-(0)14-33 68 64
    E-mail:
  • Vlaamse overheid; Beleidsdomein Economie, Wetenschap en Innovatie; Vlaamse Instelling voor Technologisch Onderzoek (VITO), more
 

Project  Top | Institutes | Publications | Project | Datasets 
  • REmote sensing for Seasonal and Overseas Retrieval of Total suspended Matter, more

Datasets (15)  Top | Institutes | Publications | Project | Datasets 
  • Hyperspectral airborne and satellite imagery of Tanimbar (Indonesia), more
  • Hyperspectral airborne imagery of Molenplaat, more
  • Hyperspectral airborne imagery of Ostend, more
  • Hyperspectral airborne imagery of Schiermonnikoog and Ameland, more
  • Hyperspectral airborne imagery of the Antwerp Harbour, more
  • Hyperspectral airborne imagery of the mouth of the Westerschelde, more
  • Hyperspectral airborne imagery of the mouth of the Yser - 2003, more
  • Hyperspectral airborne imagery of the mouth of the Yser - 2005, more
  • Hyperspectral airborne imagery of the mouth of the Yser - 2007, more
  • Hyperspectral airborne imagery of the Sluice Dock - 2005, more
  • Hyperspectral airborne imagery of the Sluice Dock - 2007, more
  • Hyperspectral airborne imagery of the Westerschelde at Molenplaat and Walsoorden, more
  • Hyperspectral airborne imagery of the Zeeschelde - 2005, more
  • Hyperspectral airborne imagery of the Zeeschelde - 2007, more
  • SPOT data 2005 - 2006: Hyperspectral images, more

Publications (33)  Top | Institutes | Publications | Project | Datasets 
    ( 12 peer reviewed ) split up
  • Bertels, L.; Knaeps, E.; Sterckx, S.; Deronde, B.; Vanderstraete, T.; Van Coillie, S.; Goossens, R. (2006). Monitoring of coral reefs using hyperspectral data; a case study: Fordata, Tanimbar, Indonesia, in: Proceedings of the Sixth International Conference on environmental problems in coastal regions including oil and chemical spill studies, 5 - 7 June 2006, Rhodes, Greece. pp. [1-10], more
  • Bertels, L.; Houthuys, R.; Deronde, B.; Knaeps, E.; Vandevoorde, B.; Van den Bergh, E. (2008). Automatisatie kartering voor opvolging areaal slikken en schorren Zeeschelde: eindrapport. Bijlage: bundel met steekkkaarten [MAP]. Afdeling Maritieme Toegang: Antwerpen. maps pp., more
  • Bertels, L.; Houthuys, R.; Deronde, B.; Knaeps, E.; Vandevoorde, B.; Van den Bergh, E. (2008). Eindrapport :Automatische kartering voor opvolging areaal slikken en schorren Zeeschelde. [S.n.]: [s.l.]. , more
  • Peer reviewed article Bertels, L.; Vanderstraete, T.; Van Coillie, S.; Knaeps, E.; Sterckx, S.; Goossens, R.; Deronde, B. (2008). Mapping of coral reefs using hyperspectral CASI data; a case study: Fordata, Tanimbar, Indonesia. Int. J. Remote Sens. 29(8): 2359-2391. dx.doi.org/10.1080/01431160701408469, more
  • Peer reviewed article Bertels, L.; Houthuys, R.; Sterckx, S.; Knaeps, E.; Deronde, B. (2011). Large-scale mapping of the riverbanks, mud flats and salt marshes of the Scheldt basin, using airborne imaging spectroscopy and LiDAR. Int. J. Remote Sens. 32(10): 2905-2918. hdl.handle.net/10.1080/01431161003745632, more
  • Bertels, L.; Knaeps, E.; Kempeneers, P.; Deronde, B.; Houthuys, R. (2012). Remote sensing, an important tool for Integrated Coastal Zone Management, in: Belpaeme, K. et al. (Ed.) Book of Abstracts. International Conference Littoral 2012: Coasts of Tomorrow. Kursaal, Oostende, 27-29 November 2012. VLIZ Special Publication, 61: pp. 133-134, more
  • Peer reviewed article Burazerovic, D.; Heylen, R.; Raymaekers, D.; Knaeps, E.; Philippart, C.J.M.; Scheunders, P. (2014). A spectral-unmixing approach to estimate water-mass concentrations in case 2 waters. IEEE J. Sel. Top. Appl. Earth Observ. Remote Sens. 7(8): 3595-3605. dx.doi.org/10.1109/JSTARS.2014.2345562, more
  • Chawla, S.; Desmet, N.; Raymaekers, D.; Knaeps, E.; Seuntjens, P.; De Baets, B.; Verhoest, N. (2013). Systematic sampling strategy for monitoring water quality by integrating in-situ and remote sensing data, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Young Marine Scientists' Day. Brugge, Belgium, 15 February 2013. VLIZ Special Publication, 63: pp. 23, more
  • De Keukelaere, L.; Knaeps, E.; Sterckx, S. (2015). SIMEC, a sensor-generic correction algorithm for adjacency effects in coastal and inland waters, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Young Scientists’ Day. Brugge, Belgium, 20 February 2015. VLIZ Special Publication, 71: pp. 43, more
  • Peer reviewed article Deronde, B.; Sterckx, S.; Bertels, L.; Knaeps, E.; Kempeneers, P. (2006). Imaging spectroscopy and integrated coastal zone management: a promising marriage, in: Brebbia, C.A. (Ed.) Environmental Problems in Coastal Regions VI: Including Oil and Chemical Spill Studies. 6th International Conference on Environmental Problems in Coastal Regions, Rhodes, June 5-7, 2006. WIT Transactions on Ecology and the Environment, 88: pp. 327-339. dx.doi.org/10.2495/CENV060311, more
  • Peer reviewed article 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. hdl.handle.net/10.1016/j.rse.2014.09.020, more
  • Knaeps, E.; Raymaekers, D.; Sterckx, S.; Bertels, L.; Odermatt, D. (2010). Monitoring inland waters with the APEX sensor, a wavelet approach, in: Proceedings of the 2010 IEEE 2nd Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS), 14–16 June 2010, Reykjavik, Iceland. pp. 4, more
  • Knaeps, E.; Raymaekers, D.; Sterckx, S.; Odermatt, D. (2010). An intercomparison of analytical inversion approaches to retrieve water quality for two distinct inland waters, in: Lacoste-Francis, H. et al. Proceedings of the ‘Hyperspectral Workshop 2010’ ESRIN, Frascati, Italy (ESA SP-683, May 2010). pp. 7, more
  • Peer reviewed article Knaeps, E.; Sterckx, S.; Raymaekers, D. (2010). A seasonally robust empirical algorithm to retrieve suspended sediment concentrations in the Scheldt river. Remote Sens. 2(9): 2040-2059. hdl.handle.net/10.3390/rs2092040, more
  • Knaeps, E.; Sterckx, S.; Ruddick, K.; Giardino, C.; Mariano, B. (2010). SIMEC, an environment correction for MERIS based on the NIR Similarity Spectrum, in: Proceedings Ocean Optics XX, September 25–October 1, 2010, Anchorage, Alaska. pp. 12, more
  • Peer reviewed article Knaeps, E.; Dogliotti, A.I.; Raymaekers, D.; Ruddick, K.; Sterckx, S. (2012). In situ evidence of non-zero reflectance in the OLCI 1020 nm band for a turbid estuary. Remote Sens. Environ. 120(SI): 133-144. hdl.handle.net/10.1016/j.rse.2011.07.025, more
  • Knaeps, E.; Sterckx, S.; Raymaekers, D.; Ruddick, K.; Dogliotti, A.I. (2012). Using NIR and SWIR wavelengths for turbid water corrections: the SIMEC environment correction and in-situ evidence of non-zero reflectance [Presentation]. VITO/MUMM: Mol, Brussel. 4 pp., more
  • Peer reviewed article 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. hdl.handle.net/10.1016/j.rse.2015.06.022, more
  • Knaeps, E.; Raymaekers, D.; De Keukelaere, L.; Verstappen, T.; Strackx, G.S. (2016). Drones record water quality at cm scale, in: Mees, J. et al. (Ed.) Book of abstracts – VLIZ Marine Scientist Day. Brugge, Belgium, 12 February 2016. VLIZ Special Publication, 75: pp. 68, more
  • Knaeps, E.; Sterckx, S. (2012). Adjacency effects in Sentinel-2 data: application of SIMEC (SIMilarity Environment Correction). VITO: Mol. 1 poster pp., more
  • Seuntjens, P.; Decorte, L.; Boenne, W.; Desmet, N.; Knaeps, E.; Chawla, S.; Raymaekers, D. (2012). Save water by satellite. VITO combineert sensorplatformen met aardobservatie voor een betere monitoring van water. Milieu Direct 4: 14-15, more
  • Seuntjens, P.; Decorte, L.; Boenne, W.; Desmet, N.; Knaeps, E.; Chawla, S.; Raymaekers, D. (2012). VITO combineert sensorplatformen met aardobservatie voor een betere monitoring van water. VRI nieuwsbr. 17(2): 2-3, more
  • Sterckx, S.; Knaeps, E.; Bollen, M.; Trouw, K.; Houthuys, R. (2006). Operational remote sensing mapping of estuarine suspended sediment concentrations (ORMES), 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. 129-132, more
  • Peer reviewed article Sterckx, S.; Knaeps, E.; Bollen, M.; Trouw, K.; Houthuys, R. (2007). Retrieval of suspended sediment from advanced hyperspectral sensor data in the Scheldt estuary at different stages in the tidal cycle. Mar. Geod. 30(1-2): 97-108. dx.doi.org/10.1080/01490410701296341, more
  • Peer reviewed article Sterckx, S.; Knaeps, E.; Ruddick, K. (2011). Detection and correction of adjacency effects in hyperspectral airborne data of coastal and inland waters: the use of the near infrared similarity spectrum. Int. J. Remote Sens. 32(21): 6479-6505. hdl.handle.net/10.1080/01431161.2010.512930, more
  • Sterckx, S.; Knaeps, E.; Ruddick, K.G.; Kratzer, S.; Ruescas, A. (2013). Validation SIMEC adjacency correction for coastal and inland waters, in: Proceedings of the International Ocean Colour Science Meeting, Darmstadt, Germany 6-8 May 2013: Abstracts. pp. 225-226, more
  • Sterckx, S.; Knaeps, E.; Kratzer, S.; Ruddick, K.; Ruescas, A. (2013). Validation SIMEC adjacency correction for coastal and inland waters. VITO/MUMM/Department of Systems Ecology, Stockholm University/Brockmann Consult: Mol, Brussel, Stockholm . 1 poster pp., more
  • Peer reviewed article Sterckx, S.; Knaeps, E.; Kratzer, S; Ruddick, K. (2015). SIMilarity Environment Correction (SIMEC) applied to MERIS data over inland and coastal waters. Remote Sens. Environ. 157: 96-110. dx.doi.org/10.1016/j.rse.2014.06.017, more
  • Sterckx, Sindy; Knaeps, E.; Santer, R.; Kratzer, S.; Ruddick, K. (2012). Environment correction for inland and coastal water scenes: a comparison of methods. VITO/MUMM/Department of Systems Ecology, Stockholm University/Université du Littoral Côte d’Opale: Mol, Brussel, Stockholm and Wimereux. 1 poster pp., more
  • van der Wal, D.; Wielemaker, A.; Ysebaert, T.J.; Knaeps, E.; Van Hoey, G.; Bouma, T.J.; Hummel, H.; Heip, C.H.R.; Herman, P.M.J. (2007). Alternatieve stortstrategie voor de Westerschelde. Voortzetting monitoringsprogramma proefstorting Walsoorden: Lot 2. Ecologische monitoring. Rapport 6/6. NIOO Rapporten. Nederlands Instituut voor Ecologie (NIOO -KNAW). Centrum voor Estuariene en Mariene Ecologie: Yerseke. 148 pp., more
  • Peer reviewed article van der Wal, D.; Herman, P.M.J.; Forster, R.M.; Ysebaert, T.J.; Rossi, F.; Knaeps, E.; Plancke, Y.; Ides, S. (2008). Distribution and dynamics of intertidal macrobenthos predicted from remote sensing: response to microphytobenthos and environment. Mar. Ecol. Prog. Ser. 367: 57-72. dx.doi.org/10.3354/meps07535, more
  • van der Wal, D.; Wielemaker, A.; Raymaekers, D.; Knaeps, E.; Ysebaert, T.J.; Bouma, T.J.; Hummel, H.; Herman, P.M.J. (2010). Ecologisch monitoringprogramma alternatieve stortlokaties Westerschelde: Plaat van Walsoorden. Eindrapport. Nederlands Instituut voor Ecologie (NIOO -KNAW). Centrum voor Estuariene en Mariene Ecologie: Yerseke. 199 pp., more
  • van der Wal, D.; Wielemaker, A.; Raymaekers, D.; Knaeps, E.; Ysebaert, T.J.; Bouma, T.J.; Hummel, H.; Herman, P.M.J. (2010). Ecologisch monitoringprogramma alternatieve stortlokaties Westerschelde: T0 Oostelijke Westerschelde. Nederlands Instituut voor Ecologie (NIOO -KNAW). Centrum voor Estuariene en Mariene Ecologie/VITO-TAP: Yerseke. 114 pp., more

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