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Evaluating Spatial Data Acquisition and Interpolation Strategies for River Bathymetries

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Geospatial Technologies for All (AGILE 2018)

Abstract

The study implements a workflow to evaluate the effects of different data sampling methods and interpolation methods, when measuring and modelling a river bathymetry based on point data. Interpolation and sampling strategies are evaluated against a reference data set. The evaluation of the results includes critically discussing characteristics of the input data, the used methods and the transferability of the results. The results show that the decision for or against a particular sampling method and for a specific setting of the parameters can certainly have a great influence on the quality of the interpolation results. Further, some general guidelines for the acquisition of bathymetries are derived from the study results.

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Acknowledgements

This work was supported by the European Social Fund [grant number 100270097, project “Extruso”] and by the Federal Ministry of Education and Research of Germany [grant number 033W039A, project “Boot monitoring”].

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Correspondence to Robert Krüger .

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© 2018 Springer International Publishing AG, part of Springer Nature

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Krüger, R., Karrasch, P., Bernard, L. (2018). Evaluating Spatial Data Acquisition and Interpolation Strategies for River Bathymetries. In: Mansourian, A., Pilesjö, P., Harrie, L., van Lammeren, R. (eds) Geospatial Technologies for All. AGILE 2018. Lecture Notes in Geoinformation and Cartography. Springer, Cham. https://doi.org/10.1007/978-3-319-78208-9_1

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