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Planned retreat could protect residents in case of climate change

Planned retreat could protect residents in case of climate change

Many people want to live near the water. However, climate change means that those who live in coastal areas may face increased problems with things like flooding, erosion, and rising water levels.

Photo: Nico Smit, Unsplash.

The Planned Retreat measure is already being used in New Zealand, the United States, Canada, the United Kingdom and Australia to try to prevent problems.

The method involves adapting to changes in shoreline and shoreline and long-term planning to move buildings and facilities too close to the water. It does not have to be entire residential areas that have been relocated, but it could involve relocating an exposed line, for example.

Researchers at the Norwegian Geotechnical Institute, SGI, took a closer look at the method on the project. They investigated whether the planned withdrawal could be used as a climate adaptation strategy in Sweden and what opportunities and difficulties existed.

Rejection makes it difficult

The research project shows that one of the difficulties is related to perceptions. In Sweden, there is still the idea that it is good to live near water. There is also the idea that the beach area is something that will remain the same, although most of the things point to something completely different. There is also a common belief that floods are not a major problem in Sweden.

There is no homeowners compensation plan

The researchers also saw, in interviews with planners and politicians, that there was very little knowledge about what the planned method of retreat entailed.

Another complicating aspect is that there is no compensation plan if you have to move, for example, into a house.

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It must be ready and running on time

On the positive side, there are opportunities to increase security for people and infrastructure in areas at risk of exposure. In the long term, lost normal values ​​can also be re-established, the researchers say. There is also the possibility of building new natural assets that people can benefit from, for example through tourism.

– Our research shows that there are a number of advantages to a planned retreat, the main one being the protection of people, says researcher Lisa Van Wiel.

Lisa Van Will also says that such planning is a long-term effort.

– If the planned retreat is to be used to protect people in danger areas, work must begin before problems become larger.

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about the research project

Findings are based on surveys, interviews, literature studies, and workshops. Citizens and civil servants working in spatial planning and climate adaptation in authorities, regions, municipalities and trade associations have been targeted.

The project was led by the Norwegian Geotechnical Institute together with the Swedish Meteorological and Hydrological Institute, SMHI, the RISE Research Institutes of Sweden and Linköping University. A number of project members have been linked to the project in the form of the municipalities of Trelleborg, Öckerö, Karlstad and Umeå, as well as the county administrations of Skåne, Halland and Västra Götaland.

relationship:

Climate Adaptation Through Planned Retreat, Final Report of the CAMEL Research Project.

communication:

Lisa van Wiel, researcher at the Norwegian Geotechnical Institute,
[email protected]

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