Optical teledetection of chlorphyll a in estuarine and coastal waters

H.J. Gons, M. Rijkeboer, S. Bagheri, K.G. Ruddick

Research output: Contribution to JournalArticleAcademicpeer-review


A hand-held spectroradiometer was used for above-water determination of subsurface spectral irradiance reflectance in the Scheldt Estuary (Belgium/The Netherlands), the North Sea off the Belgian coast, and the Hudson/Raritan Estuary (New York/New Jersey). On the North Sea the measurement conditions were adverse, and elsewhere broken cloud caused considerable spectral variation. Despite this variation the retrieval of chlorophyll a (Chl-a) from three reflectance spectra at all sampling stations was stable. The algorithm calibrated for the freshwater IJssel Lagoon (The Netherlands) proved to be applicable to these estuarine and coastal waters (N = 30; standard error of estimate = 7 mg m
Original languageEnglish
Pages (from-to)5189-5192
JournalEnvironmental Science and Technology
Issue number24
Publication statusPublished - 2000


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