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Hyperspectral monitoring of coral reefs, a case study: Fordate, Tanimbar, Indonesia Vanderstraete, T.; Goossens, R.; Sterckx, S.; Bertels, L.; Debruyn, W.; van der Heijden, P.R. (2005). Hyperspectral monitoring of coral reefs, a case study: Fordate, Tanimbar, Indonesia. Presented at the Eighth International Conference on Remote Sensing for Marine and Coastal Environments, Halifax, Nova Scotia, 17-19 May 2005. [S.n.]: [s.l.]. 8 pp.

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 118894 [ download pdf ]
Documenttype: Congresbijdrage

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Trefwoorden

Analysis > Mathematical analysis > Spectral analysis Monitoring Reefs > Biogenic deposits > Coral reefs Remote sensing ISEW, Indonesia [Marine Regions] Marien/Kust

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Auteurs		Top
Vanderstraete, T., meer Goossens, R., meer Sterckx, S., meer	Bertels, L., meer Debruyn, W., meer van der Heijden, P.R.

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Abstract

The overall aim of this study is to monitor coral reefs and associated ecosystems by integrating different remote sensing data with spectral libraries and field measurements. To assess and verify the technical feasibility of a spaceborne hyperspectral sensor, a preliminary bottomtype classification was made based on hyperspectral data from the CHRIS/PROBA sensor. The atmospheric correction was performed with in-house atmospheric correction software, WATCOR, which takes into account atmospheric and air/water-interface effects. Due to the lack of bathymetric information, a water column correction could not be performed. As ground-truth data was available neither, the classification was based on automatic endmember selection using data-inherent spectral and spatial information. After the endmember selection, a Spectral Angle Mapper (SAM) procedure was followed to classify the dataset. Although some problems remain to be solved, the preliminary result presented, shows the potential of spaceborne hyperspectral data for detail coral reef studies.

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