Eades, L.J., Farmer, J.G., MacKenzie, A.B., Kirika, A., and Bailey-Watts, A.E. (1998) High resolution profile of radiocaesium deposition in Loch Lomond sediments - a failure of 137Cs dating. Journal of Environmental Radioactivity, 39 (2). pp. 107-115. ISSN 0265-931X (doi:10.1016/S0265-931X(97)00054-4)
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Publisher's URL: http://dx.doi.org/10.1016/S0265-931X(97)00054-4
A sediment core from the southern basin of freshwater Loch Lomond, Scotland, was thinly sectioned at 3mm intervals and analysed for radiocaesium, present as a result of fallout from the atmospheric nuclear weapons' testing programme of the 1950s and 1960s and from the Chernobyl reactor accident of April 1986. The high-resolution sampling enabled much improved resolution of peaks from weapons testing fallout and Chernobyl and led to the estimation of a sedimentation rate (30.9mgcm-2y-1) for which the uncertainty was a factor of five times less than that of a previous study based on a 1cm sampling frequency. Further potential advantages of high-resolution sampling in distinguishing possible influences upon the vertical distribution of radiocaesium in sediments are discussed.
|Glasgow Author(s):||MacKenzie, Prof Angus|
|Authors:||Eades, L.J., Farmer, J.G., MacKenzie, A.B., Kirika, A., and Bailey-Watts, A.E.|
|Subjects:||G Geography. Anthropology. Recreation > GE Environmental Sciences|
|College/School:||College of Science and Engineering > Scottish Universities Environmental Research Centre|
|Journal Name:||Journal of Environmental Radioactivity|
|Published Online:||11 June 1998|