Assessment of the calibration of gamma spectrometry systems in forest environments

Cresswell, A. J. , Sanderson, D. C.W. and Yamaguchi, K. (2018) Assessment of the calibration of gamma spectrometry systems in forest environments. Journal of Environmental Radioactivity, 181, pp. 70-77. (doi: 10.1016/j.jenvrad.2017.10.019)

151046.pdf - Accepted Version



A Monte Carlo simulation was used to develop a model of the response of a portable gamma spectrometry system in forest environments. This model was used to evaluate any corrections needed to measurements of 137Cs activity per unit area calibrated assuming an open field geometry. These were shown to be less than 20% for most forest environments. The model was also used to assess the impact of activity in the canopy on ground level measurements. For similar activity per unit area in the lower parts of the canopy as on the ground, 10-25% of the ground based measurement would be due to activity in the canopy, depending on the depth profile in the soil. The model verifies that an optional collimator cap can assess activity in the canopy by repeat survey.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Sanderson, Professor David and Cresswell, Dr Alan
Authors: Cresswell, A. J., Sanderson, D. C.W., and Yamaguchi, K.
Subjects:G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QC Physics
College/School:College of Science and Engineering > Scottish Universities Environmental Research Centre
Journal Name:Journal of Environmental Radioactivity
ISSN (Online):1879-1700
Published Online:02 November 2017
Copyright Holders:Copyright © 2017 Elsevier, Ltd.
First Published:First published in Journal of Environmental Radioactivity 181:7077
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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