Adaptation to multi-meter sea-level rise should start now - BRGM - Bureau de recherches géologiques et minières
Journal Articles Environmental Research Letters Year : 2023

Adaptation to multi-meter sea-level rise should start now

Robert J Nicholls
Gael Durand
  • Function : Author
  • PersonId : 918836
  • IdRef : 176950974
Daniel Lincke
Anne Chapuis

Abstract

Sea-level rise will fundamentally change coastal zones worldwide (Cooley et al 2022). A global two meters rise of sea level will be exceeded sooner or later within a time window ranging from one century to as long as two millennia, depending on future greenhouse gas emissions and polar ice-sheet melting (Fox-Kemper et al 2021). Here, we show that in addition to climate mitigation to slow this rise, adaptation to two meters of sea-level rise should start now. This involves changing our mindset to define a strategic vision for these threatened coastal areas and identify realistic pathways to achieve this vision. This can reduce damages, losses, and lock-ins in the future, identify problems before they become critical and exploit opportunities if they emerge. To meet this challenge, it is essential that coastal adaptation becomes core to coastal development, especially for long-lived critical infrastructure. Coastal adaptation will be an ongoing process for many decades and centuries, requiring the support of climate services, which make the links between science, policy and adaptation practice.
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Dates and versions

hal-04205727 , version 1 (13-09-2023)

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Gonéri Le Cozannet, Robert J Nicholls, Gael Durand, Aimée B A Slangen, Daniel Lincke, et al.. Adaptation to multi-meter sea-level rise should start now. Environmental Research Letters, 2023, 18 (9), pp.091001. ⟨10.1088/1748-9326/acef3f⟩. ⟨hal-04205727⟩

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