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Resistivitetsmetoden för grundvattenprospektering
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering.
2019 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This work presents a case study for application of the electrical resistivity tomography (ERT) methodto investigate presence of groundwater along six profiles in Småland, an area in southern Sweden.The ERT method relies on the fact that different materials indicate different abilities to transmitelectric current through them. Water is a strong electrical conductor, which results in low resistivityvalues in water-saturated geological formations. General electrode array has been used formeasuring resistivity variation over 6 profiles with length of 160-200 m each. The study area isstrongly dominated by the unfractured igneous rocks which are associated with limited watercontent. A computer-based program Res2dinv is used to invert the apparent resistivity data todeduce the resistivity models which is then used for interpretations. Result from seismic refractiondata over the same study area was used to constrain the resistivity models along each profile. Theresult from Profiles 1,4,5 and 6 demonstrates presence of structures which contain groundwater.

Place, publisher, year, edition, pages
2019. , p. 18
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ltu:diva-74018OAI: oai:DiVA.org:ltu-74018DiVA, id: diva2:1317794
Subject / course
Student thesis, at least 15 credits
Educational program
Natural Resources Engineering, bachelor's level
Supervisors
Examiners
Available from: 2019-05-29 Created: 2019-05-23 Last updated: 2019-05-29Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
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  • 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
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