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Error determination in the photogrammetric assessment of shoreline changes

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  • Laura Río
  • F. Gracia

Abstract

The evaluation of error or uncertainty in shoreline change studies is an issue of prime importance for providing an adequate framework for calculated rates of change and to allow the establishment of threshold values above which the rates would be significant. In this note, a practical, easy-to-use method is presented to estimate error involved in the calculation of shoreline changes on aerial photographs, including the three most used types of shoreline indicators: high water line, dune/cliff toe and cliff top. This approach takes into account the specific characteristics of each shoreline proxy, such as relief in the case of the cliff top or tidal oscillations in the case of the high water line. At the same time it includes the error components that are independent from the proxy, basically related to the technical aspects of the process such as photo scanning and georeferencing. A practical example of application of the method is provided for several types of data inputs, based on shoreline changes around the Bay of Cádiz (SW Spain). Copyright Springer Science+Business Media Dordrecht 2013

Suggested Citation

  • Laura Río & F. Gracia, 2013. "Error determination in the photogrammetric assessment of shoreline changes," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 65(3), pages 2385-2397, February.
    • Handle: RePEc:spr:nathaz:v:65:y:2013:i:3:p:2385-2397
    DOI: 10.1007/s11069-012-0407-y
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    References listed on IDEAS

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    1. Tiago Garcia & Óscar Ferreira & Ana Matias & João Dias, 2010. "Overwash vulnerability assessment based on long-term washover evolution," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 54(2), pages 225-244, August.
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    Cited by:

    1. Rosa Molina & Giorgio Anfuso & Giorgio Manno & F. Javier Gracia Prieto, 2019. "The Mediterranean Coast of Andalusia (Spain): Medium-Term Evolution and Impacts of Coastal Structures," Sustainability, MDPI, vol. 11(13), pages 1-24, June.

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