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Potentiellt förorenade områden i Ljungans avrinningsområde i Västernorrlands län: Finns det anledning att prioritera om arbetet med avseende på riskläget för översvämning, ras och skred?
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering and Sustainable Development.
2010 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Due to the climate change natural disasters expects to increase and in some areas the conditions for dissemination of hazardous pollutants from contaminated areas could be affected. Different inventories and mapping has been made to identify areas of risk for flood or avalanche around the country. At the same time inventory and treatment of potential polluted areas (MIFO objects) is progressing. In Ljungans run of area in Västernorrlands county is a exposed area due to the amount of clay and silt in the ground that are sensitive in the context avalanche. The area has also a lot of MIFO objects and risks of flood.

This essay aims to investigate what data material that is available regarding MIFO objects, flood- and avalanche risks in Ljungans run of area in Västernorrlands county. Also to investigate if there are MIFO object that is in risk of flooding and/or avalanche in the selected area and if so how they are prioritized today. Is there adequate reasons to reassess the prioritizes of polluted areas that are to be inventoried and treated?

A literature study and analyse of data material with geographical informations system (GIS) has been maid. The result is that 207 MIFO objects in areas of risk. Of these is 186 MIFO objects not prioritized today and 23 MIFO objects have been located in areas that are in risk of avalanche and flood.

The conclusion is that there are no reasons to reassess the MIFO objects that are prioritized today. It’s however relevant to lift these objects that been found in risk areas. Overlook and reassessment of the objects that today is not prioritized and is located in areas of risks should be reassessed and in some cases it could be adequate reasons to prioritized further objects.

Place, publisher, year, edition, pages
2010. , 54 p.
Keyword [sv]
miljövetenskap, potentiellt förorenade områden, MIFO, översvämningskartering, stabilitetskartering, Västernorrlands län, Ljungan, översvämning, ras, skred
National Category
Other Environmental Engineering
Identifiers
URN: urn:nbn:se:miun:diva-11730OAI: oai:DiVA.org:miun-11730DiVA: diva2:324781
Uppsok
Technology
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Examiners
Available from: 2010-06-30 Created: 2010-06-16 Last updated: 2010-06-30Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf