Document Detail

Comparison of Northern Ireland radon maps based on indoor radon measurements and geology with maps derived by predictive modelling of airborne radiometric and ground permeability data.
MedLine Citation:
PMID:  21310464     Owner:  NLM     Status:  MEDLINE    
Publicly available information about radon potential in Northern Ireland is currently based on indoor radon results averaged over 1-km grid squares, an approach that does not take into account the geological origin of the radon. This study describes a spatially more accurate estimate of the radon potential of Northern Ireland using an integrated radon potential mapping method based on indoor radon measurements and geology that was originally developed for mapping radon potential in England and Wales. A refinement of this method was also investigated using linear regression analysis of a selection of relevant airborne and soil geochemical parameters from the Tellus Project. The most significant independent variables were found to be eU, a parameter derived from airborne gamma spectrometry measurements of radon decay products in the top layer of soil and exposed bedrock, and the permeability of the ground. The radon potential map generated from the Tellus data agrees in many respects with the map based on indoor radon data and geology but there are several areas where radon potential predicted from the airborne radiometric and permeability data is substantially lower. This under-prediction could be caused by the radon concentration being lower in the top 30 cm of the soil than at greater depth, because of the loss of radon from the surface rocks and soils to air.
J D Appleton; J C H Miles; M Young
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Science of the total environment     Volume:  409     ISSN:  1879-1026     ISO Abbreviation:  Sci. Total Environ.     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-02-25     Completed Date:  2011-05-11     Revised Date:  2011-10-06    
Medline Journal Info:
Nlm Unique ID:  0330500     Medline TA:  Sci Total Environ     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  1572-83     Citation Subset:  IM    
Copyright Information:
Copyright © 2011. Published by Elsevier B.V.
British Geological Survey, Keyworth, Nottingham, NG12 5GG, UK.
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MeSH Terms
Air Pollutants, Radioactive / analysis*
Air Pollution, Indoor / analysis*,  statistics & numerical data
Air Pollution, Radioactive / statistics & numerical data*
Atmosphere / chemistry
Geographic Information Systems
Linear Models
Models, Chemical
Northern Ireland
Radiation Monitoring / methods*
Radon / analysis*
Soil / chemistry
Reg. No./Substance:
0/Air Pollutants, Radioactive; 0/Soil; 10043-92-2/Radon
Erratum In:
Sci Total Environ. 2011 Sep 15;409(20):4496

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