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Ground-penetrating radar (GPR) screening in shallow endure and pape lagoon lakes
University of Latvia, Latvia ; Inst Environm Solut, Latvia.
Inst Environm Solut, Latvia.
Inst Environm Solut, Latvia.
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. University of Latvia, Latvia.ORCID iD: 0000-0003-0269-4790
2016 (English)In: RESEARCH FOR RURAL DEVELOPMENT 2016, VOL. 1, 2016, 228-235 p.Conference paper (Refereed)
Abstract [en]

Geophysical studies in mapping and screening applications are widely applied for archaeological, environmental, geological, hydrological and many other applications. Ground-penetrating radar (GPR) is one of methods from geophysical toolbox that is also called a ground-probing radar, subsurface radar surface-penetrating radar and 'georadar' or impulse radar it is a non-invasive and non-destructive technique. Pulsed electromagnetic signal is recording the reflected energy and scattering from subsurface objects. Studies were performed in former Littorina Sea lagoons that became lakes after the further Limnea Sea stage in the Baltic Sea established with comparatively lower absolute sea level that is close to present day situation. Characteriz ation of sediments as well as full sediment core description for comparison with GPRsignals were performed. Major results showthat GPR as non-destructive method in combination with geological coring followed by laboratory analysis of sediment properties can be successfully used to describe layering conditions, topography and depth of shallow lakes. Although there are some limitations regarding the electromagnetic (EM) noise and similar FM properties of analysed sediments, proper treatment of data gives complementary insight thus diminishing the necessity of dense coring network establishments in analysed areas of lakes. The aim of this screening study is to analyse potential advantages of GPR use for mapping sediments and topography of sandy bottom in shallow lagoon lakes as well as pinpoint problems during field and cameral works considering electromagnetic, geological and topographical disturbances.

Place, publisher, year, edition, pages
2016. 228-235 p.
Series
Research for Rural Development, ISSN 1691-4031
Keyword [en]
ground-penetrating radar (GPR), benthic sediments, lagoon lakes, geophysics
National Category
Earth and Related Environmental Sciences
Research subject
Natural Science, Environmental Science
Identifiers
URN: urn:nbn:se:lnu:diva-60584ISI: 000391253000037OAI: oai:DiVA.org:lnu-60584DiVA: diva2:1072617
Conference
22nd Annual International Scientific Conference on Research for Rural Development, MAY 18-20, 2016, Latvia Univ Agr, Jelgava, LATVIA
Available from: 2017-02-08 Created: 2017-02-08 Last updated: 2017-02-08Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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