Some Practical Considerations Regarding the Application of 210Pb and 137Cs Dating to Estuarine Sediments

Applications of Paleoenvironmental Techniques in Estuarine Studies - Developments in Paleoenvironmental Research ◽

10.1007/978-94-024-0990-1_6 ◽

2017 ◽

pp. 121-140 ◽

Cited By ~ 7

Author(s):

Thorbjoern Joest Andersen

Keyword(s):

Estuarine Sediments ◽

210Pb And 137Cs ◽

137Cs Dating

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Optically stimulated luminescence dating of young estuarine sediments: a comparison with 210Pb and 137Cs dating

Marine Geology ◽

10.1016/j.margeo.2004.10.034 ◽

2005 ◽

Vol 214 (1-3) ◽

pp. 251-268 ◽

Cited By ~ 109

Author(s):

A.T. Madsen ◽

A.S. Murray ◽

T.J. Andersen ◽

M. Pejrup ◽

H. Breuning-Madsen

Keyword(s):

Optically Stimulated Luminescence ◽

Luminescence Dating ◽

Estuarine Sediments ◽

210Pb And 137Cs ◽

137Cs Dating ◽

Optically Stimulated Luminescence Dating

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Recent atmospheric lead deposition recorded in an ombrotrophic peat bog of Great Hinggan Mountains, Northeast China, from 210Pb and 137Cs dating

Journal of Environmental Radioactivity ◽

10.1016/j.jenvrad.2010.05.004 ◽

2010 ◽

Vol 101 (9) ◽

pp. 773-779 ◽

Cited By ~ 33

Author(s):

K. Bao ◽

W. Xia ◽

X. Lu ◽

G. Wang

Keyword(s):

Northeast China ◽

Peat Bog ◽

210Pb And 137Cs ◽

137Cs Dating ◽

Ombrotrophic Peat

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210Pb and 137Cs dating of sediments from Zigetang Lake, Tibetan Plateau

Journal of Radioanalytical and Nuclear Chemistry ◽

10.1007/s10967-007-7191-2 ◽

2008 ◽

Vol 278 (1) ◽

pp. 55-58 ◽

Cited By ~ 14

Author(s):

S. C. Yao ◽

S. J. Li ◽

H. C. Zhang

Keyword(s):

Tibetan Plateau ◽

210Pb And 137Cs ◽

137Cs Dating

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A sedimentation study of St. Ana Lake (Romania) applying the 210Pb and 137Cs dating methods

Geochronometria ◽

10.2478/s13386-011-0017-6 ◽

2011 ◽

Vol 38 (2) ◽

pp. 93-100 ◽

Cited By ~ 9

Author(s):

Robert Begy ◽

Alida Timar-Gabor ◽

Janos Somlai ◽

Constantin Cosma

Keyword(s):

Sedimentation Rates ◽

210Pb And 137Cs ◽

137Cs Dating ◽

210Po Activity ◽

210Pb Activity ◽

Dating Methods ◽

Calculated Mass ◽

Dating Method ◽

High Resolution Gamma Spectrometry ◽

Good Agreement

AbstractThe biggest problem with most lakes that have no contact with other water sources and are being charged by precipitation is the massive eutrophication. The aim of this work was to determine the sedimentation rate in order to evaluate the progress of eutrophication for St. Ana Lake (Ciomad Mountain near the Băile Tuşnad in Harghita County (Romania)). The concentration of 210Pb was determined by means of high resolution gamma spectrometry as well as derived from 210Po activity which was measured through alpha spectrometry; values obtained are in good agreement. For the excess 210Pb activity values between 4.0±0.5 Bq/kg and 218±20 Bq/kg have been found. As an alternative method, the 137Cs dating method was applied as well. Calculated mass sedimentation rates are in the range of 0.06±0.01 to 0.32±0.05 g/cm2 year with a mean of value of 0.15±0.02 g/cm2 year. Linear sedimentation rates yielded much higher sedimentation values (between 0.5±0.1 and 7.9±0.7 cm/year with a mean of 2.4±0.6 cm/year), due to the predominant organic matter composition and the long suspension time of the sediment. This is an indication for the process of eutrophication which will probably lead to the transformation of the lake into a peat bog.

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