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Ocean Science An interactive open-access journal of the European Geosciences Union

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doi:10.5194/osd-7-1767-2010
© Author(s) 2010. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
14 Oct 2010
Review status
This discussion paper has been under review for the journal Ocean Science (OS). A final paper in OS is not foreseen.
Optical remote sensing of the Gulf of Gabès – relation between turbidity, Secchi depth and total suspended matter
R. Katlane Essersi1, B. Nechad2, K. Ruddick2, and F. Zargouni1 1University of Sciences Mathematic, Physics and Naturals of Tunisia, Tunisia
2Management Unit of the North Sea Mathematical Models (MUMM), Royal Belgian Institute for Natural Sciences, Belgium
Abstract. Optical remote sensing is used here in the Gulf of Gabès to provide scientific information to support environmental management. The Gulf of Gabès is located in the southern east coast of Tunisia. It is a shallow continental shelf with semi-diurnal tides with average amplitude of 2 m. Industrial activities in this area since the early 1970s may have contributed to the degradation of the biodiversity of the ecosystem with eutrophication problems, and disappearance of benthic and planktonic species. To assess the long-term effect of anthropogenic and natural discharges on the Gulf of Gabès, turbidity and light penetration in the coastal waters is assessed from in situ measurements of total suspended matter concentration (TSM), Secchi depth and turbidity (TU) and from remote sensing data using a semi empirical algorithm to retrieve turbidity and total suspended matter products from moderate resolution imaging spectrometer MODIS Level 2 (L2) data.

Citation: Katlane Essersi, R., Nechad, B., Ruddick, K., and Zargouni, F.: Optical remote sensing of the Gulf of Gabès – relation between turbidity, Secchi depth and total suspended matter, Ocean Sci. Discuss., 7, 1767-1783, doi:10.5194/osd-7-1767-2010, 2010.
R. Katlane Essersi et al.
R. Katlane Essersi et al.

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