Natural Hazards and Earth System Science www.nat-hazards-earth-syst-sci.net 1561-8633 1684-9981 10 2 2010 10.5194/nhess-10-171-2010 http://www.nat-hazards-earth-syst-sci.net/10/171/2010/ http://www.nat-hazards-earth-syst-sci.net/10/171/2010/nhess-10-171-2010.html http://www.nat-hazards-earth-syst-sci.net/10/171/2010/nhess-10-171-2010.pdf 171 179 2010-02-01 On analysing sea level rise in the German Bight since 1844 T. Wahl thomas.wahl@uni-siegen.de J. Jensen T. Frank Research Institute for Water and Environment, University of Siegen, Germany In this paper, a methodology to analyse observed sea level rise (SLR) in the German Bight, the shallow south-eastern part of the North Sea, is presented. The paper focuses on the description of the methods used to generate and analyse mean sea level (MSL) time series. Parametric fitting approaches as well as non-parametric data adaptive filters, such as Singular System Analysis (SSA) are applied. 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