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Comparison of airborne and terrestrial gamma spectrometry measurements - evaluation of three areas in southern Sweden.

Kock, Peder LU and Samuelsson, Christer LU (2011) In Journal of Environmental Radioactivity 102(6). p.605-613
Abstract
The Geological Survey of Sweden (SGU) has been conducting airborne gamma spectrometry measurements of natural radioactivity in Sweden for more than 40 years. Today, the database covers about 80% of the country's land surface. This article explores the first step of putting this data into use in radioactive source search at ground level. However, in order to be able to use the airborne background measurements at ground level, SGU data must be validated against terrestrial data. In this work, we compare the SGU data with data measured by a portable backpack system. This is done for three different areas in southern Sweden. The statistical analysis shows that a linear relationship and a positive correlation exist between the air and ground... (More)
The Geological Survey of Sweden (SGU) has been conducting airborne gamma spectrometry measurements of natural radioactivity in Sweden for more than 40 years. Today, the database covers about 80% of the country's land surface. This article explores the first step of putting this data into use in radioactive source search at ground level. However, in order to be able to use the airborne background measurements at ground level, SGU data must be validated against terrestrial data. In this work, we compare the SGU data with data measured by a portable backpack system. This is done for three different areas in southern Sweden. The statistical analysis shows that a linear relationship and a positive correlation exist between the air and ground data. However, this linear relationship could be revealed only when the region possessed large enough variations in areal activity. Furthermore, the activity distributions measured show good agreement to those of SGU. We conclude that the SGU database could be used for terrestrial background assessment, given that a linear transfer function is established. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Uranium, Thorium, Potassium, radiation, Background, Airborne gamma spectrometry, Mobile gamma spectrometry
in
Journal of Environmental Radioactivity
volume
102
issue
6
pages
605 - 613
publisher
Elsevier
external identifiers
  • wos:000292015700010
  • pmid:21481503
  • scopus:79955974099
ISSN
1879-1700
DOI
10.1016/j.jenvrad.2011.03.010
language
English
LU publication?
yes
id
76287ad9-1984-485d-b3eb-7b64752df927 (old id 1937282)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/21481503?dopt=Abstract
date added to LUP
2011-05-02 11:51:24
date last changed
2017-07-30 03:18:36
@article{76287ad9-1984-485d-b3eb-7b64752df927,
  abstract     = {The Geological Survey of Sweden (SGU) has been conducting airborne gamma spectrometry measurements of natural radioactivity in Sweden for more than 40 years. Today, the database covers about 80% of the country's land surface. This article explores the first step of putting this data into use in radioactive source search at ground level. However, in order to be able to use the airborne background measurements at ground level, SGU data must be validated against terrestrial data. In this work, we compare the SGU data with data measured by a portable backpack system. This is done for three different areas in southern Sweden. The statistical analysis shows that a linear relationship and a positive correlation exist between the air and ground data. However, this linear relationship could be revealed only when the region possessed large enough variations in areal activity. Furthermore, the activity distributions measured show good agreement to those of SGU. We conclude that the SGU database could be used for terrestrial background assessment, given that a linear transfer function is established.},
  author       = {Kock, Peder and Samuelsson, Christer},
  issn         = {1879-1700},
  keyword      = {Uranium,Thorium,Potassium,radiation,Background,Airborne gamma spectrometry,Mobile gamma spectrometry},
  language     = {eng},
  number       = {6},
  pages        = {605--613},
  publisher    = {Elsevier},
  series       = {Journal of Environmental Radioactivity},
  title        = {Comparison of airborne and terrestrial gamma spectrometry measurements - evaluation of three areas in southern Sweden.},
  url          = {http://dx.doi.org/10.1016/j.jenvrad.2011.03.010},
  volume       = {102},
  year         = {2011},
}