Preprints
https://doi.org/10.5194/egusphere-2024-2247
https://doi.org/10.5194/egusphere-2024-2247
20 Aug 2024
 | 20 Aug 2024

Review Article: A Comprehensive Review of Compound Flooding Literature with a Focus on Coastal and Estuarine Regions

Joshua Green, Ivan Haigh, Niall Quinn, Jeff Neal, Thomas Wahl, Melissa Wood, Dirk Eilander, Marleen de Ruiter, Philip Ward, and Paula Camus

Abstract. Compound flooding, where the combination or successive occurrence of two or more flood drivers leads to a greater impact, can exacerbate the adverse consequences of flooding, particularly in coastal/estuarine regions. This paper reviews the practices and trends in coastal/estuarine compound flood research and synthesizes regional to global findings. Systematic review is employed to construct a literature database of 271 studies relevant to compound flooding in a coastal/estuarine context. This review explores the types of compound flood events, their mechanistic processes, and synthesizes terminology throughout the literature. Considered in the review are six flood drivers (fluvial, pluvial, coastal, groundwater, damming/dam failure, and tsunami) and five precursor events and environmental conditions (soil moisture, snow, temp/heat, fire, and drought). Furthermore, this review summarizes research methodology and study applications trends, and considers the influences of climate change and urban environments. Finally, this review highlights knowledge gaps in compound flood research and discusses the implications on future practices. Our five recommendations for compound flood research are: 1) adopt consistent terminology and approaches; 2) expand the geographic coverage of research; 3) pursue more inter-comparison projects; 4) develop modelling frameworks that better couple dynamic Earth systems; and 5) design urban and coastal infrastructure with compounding in mind.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
Joshua Green, Ivan Haigh, Niall Quinn, Jeff Neal, Thomas Wahl, Melissa Wood, Dirk Eilander, Marleen de Ruiter, Philip Ward, and Paula Camus

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2024-2247', Anonymous Referee #1, 16 Sep 2024
    • AC1: 'Reply on RC1', Joshua Green, 06 Nov 2024
  • CC1: 'Comment on egusphere-2024-2247', Tim Hermans, 19 Sep 2024
    • AC3: 'Reply on CC1', Joshua Green, 06 Nov 2024
  • RC2: 'Comment on egusphere-2024-2247', Hamed Moftakhari, 03 Oct 2024
    • AC2: 'Reply on RC2', Joshua Green, 06 Nov 2024

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2024-2247', Anonymous Referee #1, 16 Sep 2024
    • AC1: 'Reply on RC1', Joshua Green, 06 Nov 2024
  • CC1: 'Comment on egusphere-2024-2247', Tim Hermans, 19 Sep 2024
    • AC3: 'Reply on CC1', Joshua Green, 06 Nov 2024
  • RC2: 'Comment on egusphere-2024-2247', Hamed Moftakhari, 03 Oct 2024
    • AC2: 'Reply on RC2', Joshua Green, 06 Nov 2024
Joshua Green, Ivan Haigh, Niall Quinn, Jeff Neal, Thomas Wahl, Melissa Wood, Dirk Eilander, Marleen de Ruiter, Philip Ward, and Paula Camus
Joshua Green, Ivan Haigh, Niall Quinn, Jeff Neal, Thomas Wahl, Melissa Wood, Dirk Eilander, Marleen de Ruiter, Philip Ward, and Paula Camus

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Latest update: 08 Dec 2024
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Short summary
Compound flooding, involving the combination or successive occurrence of two or more flood drivers, can amplify flood impacts in coastal/estuarine regions. This paper reviews the practices, trends, methodologies, applications, and findings of coastal compound flooding literature at regional to global scales. We explore the types of compound flood events, their mechanistic processes, and the range of terminology. Lastly, this review highlights knowledge gaps and implications for future practices.