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Realization of a local coral reef monitoring system in the Red Sea using Landsat7 ETM+ data
Vanderstraete, T.; Goossens, R.; Ghabour, T.K. (2005). Realization of a local coral reef monitoring system in the Red Sea using Landsat7 ETM+ data, in: Oluic, M. (Ed.) New Strategies for European Remote Sensing. Proceedings 24th Symposium of the European Association of Remote Sensing Laboratories (25-27 May 2004, Dubrovnik, Croatia). pp. 479-487
In: Oluic, M. (Ed.) (2005). New Strategies for European Remote Sensing. Proceedings 24th Symposium of the European Association of Remote Sensing Laboratories (25-27 May 2004, Dubrovnik, Croatia). Millpress: Rotterdam. ISBN 90-5966-003-X. 768 + 1 cd-rom pp., more

Available in  Authors 
    VLIZ: Open Repository 118865 [ OMA ]
Document type: Conference paper

Keywords
    Coral reefs; Monitoring systems; Remote sensing; Satellite sensing; ISW, Red Sea, Hurghada; Marine

Authors  Top 
  • Vanderstraete, T., more
  • Goossens, R., more
  • Ghabour, T.K., more

Abstract
    Remote sensing gives us important information about four aspects of coral reefs: it is useful for determining the configuration and the composition of the coral reef; for monitoring the biophysical parameters of the seas and oceans in which the coral reefs occur and for tracking possible changes over time of these elements. Coral reefs in the Red Sea -offshore Hurghada, Egypt- have been studied using a Landsat7 ETM+ data set dating from 2000. A bathymetric map and a sea bottom-type classification have been made based on different remote sensing techniques supplemented with data derived from field sampling in the study area. Also a change indication map has been constructed, based on the comparison with the ecological situation in 1987 as derived from a Landsat5 TM data set of that year. This basic remote sensing derived information has been combined with other information about elements important to the reefs into a “Coral reef GIS”. This GIS forms the base for integrated coastal zone management and the protection of the precious Egyptian corals. A risk prediction map, on which the location and potential risk factor for each coral reef is indicated, is made based on this GIS. This risk map shows that of the coral reefs in the vicinity of Hurghada, approximately 86% of the reef systems have a medium to high risk potential.

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