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  • Rapport
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Impact of Climate Change on Dam Safety

| 2023:947 | Claes-Olof Brandesten
Knowledge about the climate and its changes is in strong development and the effects of a changing climate are relevant from a dam safety perspective, with discharge capacity and discharge safety in particular focus. In this project, current and relevant information has been compiled to lay a foundation for strategic climate adaptation work regarding dams.
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The report presents a literature review that includes methodology for analysis of and adaptation to climate change, as well as the identification of changes that may affect dam safety. Using the results of the literature review, an analysis of climate change is carried out, which may lead to risks to dam safety.

The analysis is based on the four driving climate parameters temperature, precipitation, wind with their combinations, and sea level. These will generally increase with the exception of wind where the picture is so far unclear. About seventy impact chains are reported that are used to identify risks that can affect dam safety.

The results do not show any new risks, but primarily they are already known risks that may be exacerbated by climate change that is relevant to dam safety.