- Impact of sea level rise on the morphology of the Wadden Sea in the scope of its ecological function (phase 4): General considerations on hydraulic conditions, sediment transports, sand balance, bed composition and impact of sea-level rise on tidal flats
- Impact of sea level rise on the morphology of the Wadden Sea in the scope of its ecological function (phase 3): Proposed set-up of a dynamic morphological model for Wadden Sea basins and estuaries based on empirical relations (volume I)
- Impact of sea level rise on the morphology of the Wadden Sea in the scope of its ecological function (phase 2): Investigations on empirical morphological relations