Review: Methods for the estimation of extreme rainfall events

Authors

  • KA Johnson 1. Centre for Water Resources Research, University of KwaZulu-Natal, Pietermaritzburg, South Africa; 2. Civil Engineering, School of Engineering, University of KwaZulu-Natal, Durban, South Africa
  • JC Smithers 1. Centre for Water Resources Research, University of KwaZulu-Natal, Pietermaritzburg, South Africa; 2. Bioresources Engineering, School of Engineering, University of KwaZulu-Natal, Pietermaritzburg, South Africa; 3. JG Afrika, Hilton, Pietermaritzburg, South Africa; 3. National Centre for Engineering in Agriculture, University of Southern Queensland, Toowoomba, Australia

DOI:

https://doi.org/10.17159/wsa/2019.v45.i3.6747

Keywords:

design rainfall, extreme events, estimation methods, probable maximum precipitation, South Africa

Abstract

The estimation of design rainfalls is necessary to estimate the exceedance probabilities of extreme floods required to design hydraulic structures and to quantify the risk of failure of these structures. New approaches to estimating extreme rainfall events are being developed internationally. This paper reviews methods for estimating design rainfalls, particularly extreme events, in South Africa and internationally, and highlights the need to update methods used for estimating extreme rainfall events in South Africa as a platform for future research.

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Published

2019-07-31

Issue

Vol. 45 No. 3 July (2019): Water SA

Section

Review

License

Creative Commons License

The content of this journal is licensed under a Creative Commons Attribution Licence.  Users are permitted to read, download, copy, distribute, print, search or link to the full texts of the articles in this journal under the terms of this Licence, without asking prior permission from the publisher or the author, provided the source is attributed. Copyright is retained by the authors.

How to Cite

Johnson, K. and Smithers, J. (2019) “Review: Methods for the estimation of extreme rainfall events”, Water SA, 45(3 July). doi:10.17159/wsa/2019.v45.i3.6747.