Quelle est l'importance de l'impact de l'inondation des terres sur l'intrusion marine causée par l'élévation du niveau de la mer?

Translated title of the contribution: How important is the impact of land-surface inundation on seawater intrusion caused by sea-level rise?

Behzad Ataie-Ashtiani, Adrian Werner, Craig Simmons, Leanne Morgan, Chunhui Lu

    Research output: Contribution to journalArticlepeer-review

    43 Citations (Scopus)

    Abstract

    The influence of sea-level rise (SLR) on seawater intrusion (SWI) has been the subject of several publications, which consider collectively a range of functional relationships within various hydrogeological and SLR settings. Most of the recent generalized analyses of SWI under SLR neglect land-surface inundation (LSI) by seawater. A simple analytical method is applied to quantitatively assess the influence and importance of LSI on SLR-SWI problems under idealized conditions. The results demonstrate that LSI induces significantly more extensive SWI, with inland penetration up to an order of magnitude larger in the worst case, compared to the effects of pressure changes at the shoreline in unconfined coastal aquifers with realistic parameters. The study also outlines some of the remaining research challenges in related areas, concluding that LSI impacts are among other important research questions regarding the SLR-SWI problems that have not been addressed, including the effects of aquifer heterogeneities, real-world three dimensionality, and mitigation measures.

    Translated title of the contributionHow important is the impact of land-surface inundation on seawater intrusion caused by sea-level rise?
    Original languageFrench
    Pages (from-to)1673-1677
    Number of pages5
    JournalHydrogeology Journal
    Volume21
    Issue number7
    DOIs
    Publication statusPublished - Nov 2013

    Keywords

    • Climate change
    • Coastal aquifer
    • Sea-level rise
    • Seawater intrusion
    • Seawater overtopping

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