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Dossier Le Pacifique en première ligne face au changement climatique

Visualizing Coastal Risks in the Fraser River Delta

Approches visuelles des risques côtiers dans le delta du Fraser
Kees Lokman
p. 267-280

Abstracts

Sea level rise (slr) is one of the most existential challenges facing contemporary societies. The potential risks posed by slr involve inundation, population displacement, coastal erosion, wetland loss, saltwater intrusion, and rising water tables. This will have major implication for urban deltas and small island nations. This paper examines how geospatial analysis, mapping and visualization can be used to inform and empower multiple audiences in understanding the fundamental changes future slr will bring to coastal landscapes. Using the Fraser River Delta as a case study, the paper examines a series of visual narratives (maps, models, timelines, and animations) to illustrate the long-term effects of sea level rise on issues such as urban growth, logistics, intertidal habitats, and food security. The article concludes by discussing the success and limitations of the work, as well as its relevance with respect to the challenges of coastal adaptation in the Pacific Islands Region.

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Text / excerpt

Cairn

Full-text article available to subscribers or on a "pay per view" basis. It will be available on this URL in January 2022.
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Outline

Mapping and Landscape Visualization
The Fraser River Delta
Outdated Flood Control Infrastructure
Urban Development Pressures
Agriculture and Food Supply
Coastal Habitat Squeeze
Legislation and Decision-making
Visual Narratives
Timeline of Shoreline Transformations
Delta Lexicon
Metabolic Flows and Critical Infrastructures
Regulatory Landscape
Future Phases
Discussion and Conclusion

Text / first lines

Sea level rise (slr) is one of the most existential challenges facing contemporary societies. According to the United Nations (2018), over 40% of the world’s population lives within 100 km of coastlines, and three-quarters of all major cities are located in deltas and coastal areas. Researchers have projected that increased global temperatures can result in rising sea levels anywhere from 60cm to 2m by the end of the century (Jones, 2013). The potential risks posed by slr involve inundation, coastal erosion, wetland loss, saltwater intrusion, and rising water tables. This will also have substantial socioeconomic implications for coastal populations, urban development, critical infrastructures (including transportation infrastructures, electricity networks, water supply facilities), tourism and recreational activities (Mcleod et al., 2010; Nicholls, 2011). slr will therefore significantly affect the world’s metropolitan areas located in coastal areas, including New York, Tokyo, Mumba...

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References

Bibliographical reference

Kees Lokman, « Visualizing Coastal Risks in the Fraser River Delta », Journal de la Société des Océanistes, 149 | 2019, 267-280.

Electronic reference

Kees Lokman, « Visualizing Coastal Risks in the Fraser River Delta », Journal de la Société des Océanistes [Online], 149 | 2019, Online since 15 February 2022, connection on 07 June 2020. URL : http://journals.openedition.org/jso/11136 ; DOI : https://doi.org/10.4000/jso.11136

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About the author

Kees Lokman

Assistant Professor of Landscape Architecture, University of British Columbia, Vancouver, Canada, klokman@sala.ubc.ca

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Copyright

© Tous droits réservés

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