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A method for assessing the coastline recession due to the sea level rise by assuming stationary wind-wave climate

100%

Deng J. , Harff J. , Schimanke S. , Meier H. E. M.

tom Vol. 44, No. 3

362--380

The method introduced in this study for future projection of coastline changes hits the vital need of communicating the potential climate change impact on the coast in the 21th century. A quantitative method called the Dynamic Equilibrium Shore Model (DESM) has been developed to hindcast historical sediment mass budgets and to reconstruct a paleo Digital Elevation Model (DEM). The forward mode of the DESM model relies on paleo-scenarios reconstructed by the DESM model assuming stationary wind-wave climate. A linear relationship between the sea level, coastline changes and sediment budget is formulated and proven by the least square regression method. In addition to its forward prediction of coastline changes, this linear relationship can also estimate the sediment budget by using the information on the coastline and relative sea level changes. Wind climate change is examined based on regional climate model data. Our projections for the end of the 21st century suggest that the wind and wave climates in the southern Baltic Sea may not change compared to present conditions and that the investigated coastline along the Pomeranian Bay may retreat from 10 to 100 m depending on the location and on the sea level rise which was assumed to be in the range of 0.12 to 0.24 m.

Coastal dynamics and coastal protection - NW Poland and NE Germany

75%

Dobracka E. , Dobracki R. , Kaszubowski L. J. , Domaradzki P. , Hoffmann G. , Harff J.

Biuletyn Państwowego Instytutu Geologicznego

2007

tom nr 424, guide book

102-121