Abstract
For the dike strengthening project Krachtige IJsseldijken Krimpenerwaard (KIJK) a study has been undertaken to optimize the amount of land subsidence. Based on archive information originally a subsidence rate of 11mmyr-1 is used in the design calculations. This means that for a 50-year period an additional 0.55m must be considered which does not comply with the macro-stability problems of the dike. Based on INSAR and LiDAR measurement data and reanalysing the archive data, the rate of subsidence is determined at an average of 8mmyr-1. This could mean a reduction of 27% on the amount of soil needed to balance subsidence.
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CITATION STYLE
De Koning, M., Haasnoot, J. K., Van Buuren, R. R., Weijland, M., & Bisschop, C. (2020). Determination of amount of land subsidence based on INSAR and LiDAR monitoring for a dike strengthening project. In Proceedings of the International Association of Hydrological Sciences (Vol. 382, pp. 57–62). Copernicus GmbH. https://doi.org/10.5194/piahs-382-57-2020
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