Assessing climate change impacts, sea level rise and storm surge risk in port cities: a case study on Copenhagen

Stephane Hallegatte, Nicola Ranger, Olivier Mestre, Patrice Dumas (), Jan Corfee-Morlot (), Celine Herweijer and Robert Muir Wood
Additional contact information
Nicola Ranger: UCL - University College of London [London], Grantham Research Institute on Climate Change and the Environment - LSE - London School of Economics and Political Science
Olivier Mestre: Météo-France
Patrice Dumas: CIRED - centre international de recherche sur l'environnement et le développement - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EHESS - École des hautes études en sciences sociales - AgroParisTech - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique
Jan Corfee-Morlot: Org Econ Cooperat and Dev, Paris, France - affiliation inconnue
Celine Herweijer: Risk Management Solut Ltd, London, England - affiliation inconnue
Robert Muir Wood: Risk Management Solut Ltd, London, England - affiliation inconnue

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Abstract: This study illustrates a methodology to assess the economic impacts of climate change at a city scale and benefits of adaptation, taking the case of sea level rise and storm surge risk in the city of Copenhagen, capital of Denmark. The approach is a simplified catastrophe risk assessment, to calculate the direct costs of storm surges under scenarios of sea level rise, coupled to an economic input-output (IO) model. The output is a risk assessment of the direct and indirect economic impacts of storm surge under climate change, including, for example, production and job losses and reconstruction duration, and the benefits of investment in upgraded sea defences. The simplified catastrophe risk assessment entails a statistical analysis of storm surge characteristics, geographical-information analysis of population and asset exposure combined with aggregated vulnerability information. For the city of Copenhagen, it is found that in absence of adaptation, sea level rise would significantly increase flood risks. Results call for the introduction of adaptation in long-term urban planning, as one part of a comprehensive strategy to manage the implications of climate change in the city. Mitigation policies can also aid adaptation by limiting the pace of future sea level rise.

Date: 2011
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Published in Climatic Change, 2011, 104 (1), pp.113-137. ⟨10.1007/s10584-010-9978-3⟩

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Related works:
Journal Article: Assessing climate change impacts, sea level rise and storm surge risk in port cities: a case study on Copenhagen (2011)
Working Paper: Assessing Climate Change Impacts, Sea Level Rise and Storm Surge Risk in Port Cities: A Case Study on Copenhagen (2008)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-00719265

DOI: 10.1007/s10584-010-9978-3

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