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Flooding Luleå city: Perspectives on hydropower, mining, dam safety and flood risk governance
Uppsala universitet, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Teologiska fakulteten, Centrum för mångvetenskaplig forskning om rasism (CFR). LTU history. (Dálkke)ORCID-id: 0000-0003-2820-0584
2019 (engelsk)Konferansepaper, Oral presentation only (Fagfellevurdert)
Abstract [en]

Luleå city is located downstream of 18 hydropower dams of which the majority are classified as high consequence, meaning that if there is a dam failure, there will be severe consequences downstream. The highest risk for dam failure is when the dams are full, October to about end January each year, i.e. the coldest part of the year. In a worst case scenario water (and ice) levels may rise up to 5-6 meters in the central parts, within less than 48 hours.  Dam safety work entered the international dam sector agenda in the 1970s, after the Teton dam failure in the US. In Sweden, attention to and work with the risk of dam failure began the 1980s, as the hydropower construction era ended.

The recent tailing dam failure in Brasil has drawn public attention to the risks with the dams used to store waste from mines. While a major tailing dam failed in Finland (Talvivaara) in 2013, so far Sweden has been spared from major disasters.

What is so far unknown of in Sweden, and rarely discussed, is the combination of the two systems; tailing dams and hydropower dams in the same river, as well as and the risks and governance complexities thereto associated. Yet this is of importance to Luleå, as since 2011 there are plans for a mine within the Lule River, at Kallak/Gállok. This would bring two high consequence systems together, with two different main responsible actors – Vattenfall on the one hand, and the owner of the mine on the other. The public and decision makers have so far had little knowledge/understanding of the risks of such combination. Based on interviews and participatory observations within four research projects funded by the Swedish research council (VR) and FORMAS (since 2008) I will discuss the complexities for flood governance.

 

sted, utgiver, år, opplag, sider
2019.
Emneord [en]
Dam safety, Lule river, Kallak, Gállok, Hydropower, Mining, Tailing dams, hydropower dams
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-392164OAI: oai:DiVA.org:uu-392164DiVA, id: diva2:1347070
Konferanse
NESS2019: Social Science in Our Time, Luleå University of Technology June 9-12, 2019
Prosjekter
Dálkke: Indigenous Climate Change Studies
Forskningsfinansiär
Swedish Research Council Formas, 2017-01923
Merknad

Funded by FORMAS within the Swedish National Research Program on Climate

Tilgjengelig fra: 2019-08-30 Laget: 2019-08-30 Sist oppdatert: 2019-08-30

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