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  • Digital surface model of the islands Sylt and Roem from the aerial flight 2003. Colour depth 16-bit, ground resolution 100cm, height accuracy 10cm, reference system Gauss-Krüger zone 3.

  • The data set contains the tidal current data for certain positions in the German Bight. The information is based on a tidal current simulation using the BSH circulation model BSHcmod V4. For more information, please visit:

  • Obstruction data for nautical products. For more information, please visit:

  • Data maritime boundaries for nautical products. For more information, please visit:

  • This metadata set describes the CSW interface of the metadata catalogue of the spatial data infrastructure of the Federal Maritime and Hydrographic Agency (GDI-BSH).

  • The map service "Magnetic Variation" offered for the information system "Geomagnetic Information" shows position-related magnetic variation data with the name of the nautical chart for which the respective magnetic variation value was calculated. The magnetic variation information is available for the current year and additionally for the following year and based on the World Magnetic Model (WMM) valid at the time of display. In addition, areas of uncertain declination mapped for the German coastal area, i.e. areas where the declination of the earth's magnetic field deviates significantly from its normal value.

  • The Medium Resolution Imaging Spectrometer (MERIS) on Board ESA’s ENVISAT provides spectral high resolution image data in the visible-near infrared spectral region (412-900 nm) at a spatial resolution of 300 m. For more details on ENVISAT and MERIS see Spectral high resolution measurements allow to assess different water constituents in optically complex case-2 waters (IOCCG, 2000). The main groups of constituents are Chlorophyll, corresponding to living phytoplankton, suspended minerals or sediments and dissolved organic matter. They are characterised by their specific inherent optical properties, in particular scattering and absorption spectra. The Baltic Sea Water Constituents product was developed in a co-operative effort of DLR (Remote Sensing Technology Institute IMF, German Remote Sensing Data Centre DFD), Brockmann Consult (BC) and Baltic Sea Research Institute (IOW) in the frame of the MAPP project (MERIS Application and Regional Products Projects). The data are processed on a regular (daily) basis using ESA standard Level-1 and -2 data as input and producing regional specific value added Level-3 products. The regular data reception is realised at DFD ground station in Neustrelitz. For more details the reader is referred to and This product provides daily maps.

  • The map service "Magnetic Variation Lines" offered for the technical information system "Geomagnetic Information" shows lines of the same declination (isogons) for most of Europe and adjacent areas. The isogons are based on the World Magnetic Model (WMM) and are calculated in advance for the current year. Land contours are not part of the service.

  • The ENC data (electronic navigational charts) of the Federal Maritime and Hydrographic Agency are grouped according to the ENC usages (Overview, General, Coastal, Approach, Harbour, Berthing). For more information, please visit:

  • The data represent the calculated yields of wind farms in the exclusive economic zone (EEZ) in full load hours per wind farm expansion area, assuming an expansion of offshore wind energy defined in different scenarios. The calculations were carried out with the numerical weather model WRF using a parameterization of wind farms according to Fitch. The results refer to the areas in the North Sea and the meteorological year 2006.

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