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Stelzer, K., Brockmann, C., Murphy, D., Krämer, U.. Applicability of Remote Sensing in Monitoring Coastal Zones. In: Schernewski, G., Dolch, T. (eds.). Geographie der Meere und Küsten. Coastline Reports (1), pp. 249-253. 2004.

Zusammenfassung:

The coastal zone is a very dynamic and resource rich system, which is reflected by the numerous policy-driven monitoring programs. Their goal is to detect and assess natural and anthropogenic influences and effects. The monitoring of intertidal flats and of coastal water quality is time and cost intensive. In order to reduce these costs, the use of remote sensing techniques in different fields of application has been investigated during the last few years in the scope of EU co-funded and user driven projects. Different sensors and methods are required for the different demands and questions of specific monitoring programs. Examples of remote sensing applications are sediment and surface type classification of intertidal flats using Landsat ETM data or the interpretation of high spatial resolution data in order to detect changes in coastal morphology and density of dune vegetation. Visual interpretation and classification methods such as Maximum-Likelihood classification and linear spectral unmixing are used for these purposes. Regarding coastal water quality, MERIS data have been used to produce maps showing the distributions of chlorophyll-a, total suspended matter and yellow substance concentrations. These investigations have demonstrated, that remote sensing techniques can deliver information on quite a number of parameters, however their combination with conventional in-situ measurements is necessary to provide the best possible result.

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