Mapping the autonomous subsidence for the rural and urban areas in Woerden, the Netherlands

van der Putte, Erik

Autonomous subsidence plays a major role in the landscape of the western parts of the Netherlands. For a lot of municipalities and waterboards this autonomous subsidence brings immense maintenance costs and discussions about sustainable land use. For the municipality of Woerden the autonomous subsidence is assessed for both rural and urban areas. For the rural areas the oxidation of peat and the consolidation due to gradually lowering of the water table are the main contributors. Using the modified “Phoenix” model the autonomous subsidence is predicted to be approximately 5 to 6 mm yrinline-formula−1. In the urban areas the water table is stable and therefore the ageing of clay and creep are the driving forces for the autonomous subsidence. Using satellite data the autonomous subsidence is determined to range from 0 to 4 mm yrinline-formula−1 for most parts of the city.

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van der Putte, Erik: Mapping the autonomous subsidence for the rural and urban areas in Woerden, the Netherlands. 2020. Copernicus Publications.

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Rechteinhaber: Erik van der Putte

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