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A new tsunami runup predictor

Author

Listed:
  • Martin Wronna

    (Instituto Dom Luiz)

  • Maria Ana Baptista

    (Instituto Dom Luiz
    Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa)

  • Utku Kânoğlu

    (Middle East Technical University)

Abstract

We introduce a new parameter, tsunami runup predictor (TRP), relating the accelerating phase of the wave to the length of the beach slope over which the wave is travelling. We show the existence of a relationship between the TRP and the runup for different initial waveforms, i.e. leading elevation N-waves (LENs) and leading depression N-waves (LDNs). Then, we use the TRP to estimate tsunami runup for past tsunami events. The comparison of the runup estimates against field data gives promising results. Thus, the TRP provides first-order estimates of tsunami runup once the offshore waveform is known or estimated and, therefore, it could be beneficial to be implemented in tsunami early warning systems.

Suggested Citation

  • Martin Wronna & Maria Ana Baptista & Utku Kânoğlu, 2021. "A new tsunami runup predictor," 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. 105(2), pages 1571-1585, January.
    • Handle: RePEc:spr:nathaz:v:105:y:2021:i:2:d:10.1007_s11069-020-04366-1
    DOI: 10.1007/s11069-020-04366-1
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    References listed on IDEAS

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    1. Alessandra Maramai & Stefano Tinti, 1997. "The 3 June 1994 Java Tsunami: A Post-Event Survey of the Coastal Effects," 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. 15(1), pages 31-49, January.
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