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Implementing Pre-Emptive Managed Retreat: Constraints and Novel Insights

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journal contribution
posted on 29.04.2021, 01:51 by Judith LawrenceJudith Lawrence, Jonathan BostonJonathan Boston, R Bell, S Olufson, R Kool, M Hardcastle, A Stroombergen
Purpose of Review: Managed retreat will be inevitable where other adaptation options, such as protective structures or building restrictions, provide only temporary respite or are otherwise uneconomic, technically impractical or both. Here, we focus on the implementation of pre-emptive managed retreat, providing examples of how it can be sequenced, socialised and given the governance enablers necessary for implementation. Recent Findings: Ongoing sea-level rise during the twenty-first century and beyond poses huge adaptation challenges, especially for low-lying coastal and floodplain settlements. Settlements are already functionally disrupted from repetitive non-extreme flooding and research shows that sea-level rise will impact far more people, far sooner than previously thought, as more powerful storms, heavy rainfall and rising groundwater coincide with higher tides. To date, most examples of managed retreat have been post-disaster responses following damage and disruption. Pre-emptive managed retreat, by contrast, has yet to become a well-accepted and widely practised adaptation response. Nevertheless, there are increasing examples of research and practice on how pre-emptive managed retreat can be designed, sequenced and implemented alongside other forms of adaptation within anticipatory forms of governance. Summary: The current state of knowledge about managed retreat is reviewed and critical insights and lessons for governance and policy-making are given. Several novel examples from New Zealand are presented to address some of the implementation gaps. Goals and principles are enunciated to inform long-term adaptation strategies.

History

Preferred citation

Lawrence, J., Boston, J., Bell, R., Olufson, S., Kool, R., Hardcastle, M. & Stroombergen, A. (2020). Implementing Pre-Emptive Managed Retreat: Constraints and Novel Insights. Current Climate Change Reports, 6(3), 66-80. https://doi.org/10.1007/s40641-020-00161-z

Journal title

Current Climate Change Reports

Volume

6

Issue

3

Publication date

01/09/2020

Pagination

66-80

Publisher

Springer Science and Business Media LLC

Publication status

Published

Online publication date

03/07/2020

ISSN

2198-6061

eISSN

2198-6061

Language

en