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Open Access Green as soon as Postprint is submitted to ZB.
Radon exhalation from soil and its dependence from environmental parameters.
Radiat. Prot. Dosim. 177, 21-25 (2017)
An automatic measuring apparatus called exhalometer for measurement of the radon exhalation rate from soil is introduced. It consists of a pneumatic driven accumulation chamber with an open bottom, a PC-based control system, six Lucas cells for radon measurement and sensors for environmental parameters. It allows moving the accumulation chamber and hereby opening or closing it. The exhalation rate is determined through the increase of radon in the accumulation chamber. For studying exhalation and the affecting factors, the exhalometer was placed at an undisturbed meadow for the entire year of 2015. The daily radon exhalation rate ranges from 2.5 to 50.7 Bq m-2 h-1 with an average of 25.3 Bq m-2 h-1. The exhalation rate shows daily and seasonal variations with its maximum in the afternoon and in spring. The dependence on several environmental parameters is discussed. The stable performance indicates the system's fitness for long-term measurements.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Rn-222 Flux; Chamber
Language
Publication Year
2017
HGF-reported in Year
2017
ISSN (print) / ISBN
0144-8420
e-ISSN
1742-3406
Journal
Radiation Protection Dosimetry
Quellenangaben
Volume: 177,
Issue: 1-2,
Pages: 21-25
Publisher
Oxford University Press
Publishing Place
Oxford
Reviewing status
Peer reviewed
Institute(s)
Institute of Radiation Protection (ISS)
POF-Topic(s)
30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Research field(s)
Radiation Sciences
PSP Element(s)
G-501100-002
WOS ID
WOS:000417604700006
Scopus ID
85049233526
PubMed ID
29036460
Erfassungsdatum
2017-10-18