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Project 2.02: Recent Crustal Movements and Validation of Climate Projections for Water Level Changes at the Coasts

Project Manager:
Dr Astrid Sudau, BfG,
Department M5 - Geodesy
Phone +49 (0) 261 1306 5287, e-mail: sudau@bafg.de


Objectives:

The project will draw conclusions on long term changes in water levels and their uncertainties; these will form a basis for the modelling of climate change on which strategies for adaptation can be developed.
One of the main objectives of this project is to define precise and absolute georeferences for tide gauge zero (particularly its peak values) so that an exact and absolute georeferencing of the water levels can be made for any specified point in time within the recording period of the water level sensors. The georeferencing work is carried out in a standardised and globally compatible reference system. This permits temporal and spatial homogeneity of water level data, thus assuring comparability (also across national boundaries). This will build on the results of the “IKÜS” project (Integrated Coastal Monitoring System) of the KFKI (Coastal Engineering Research Council).
The tectonic or anthropogenically caused crustal movements are determined by the evaluation, combination and integration of classical and satellite measurement methods and used to correct the recorded water levels.
By setting up GNSS measurement stations at gauges, and through integrated analysis, it is possible to combine classical gauge measurements with satellite measurement methods (satellite altimetry).

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