Authors:
C. Sanders Universidade Federal de Fluminense (UFF) Departamento de Geoquímica Niterói RJ Brazil

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J. Smoak University of South Florida (USF) Environmental Science St. Petersburg FL USA

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L. Sanders University of South Florida (USF) Environmental Science St. Petersburg FL USA

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M. Waters Shorter College Natural Sciences Rome GA USA

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S. Patchineelam Universidade Federal de Fluminense (UFF) Departamento de Geoquímica Niterói RJ Brazil

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M. Ketterer Northern Arizona University Department of Chemistry and Biochemistry Box 5698 Flagstaff AZ USA

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Abstract  

A sediment core was taken to determine if sediment accumulation rates could be conducted using 240+239Pu signatures in the coastal mangrove mudflats of southeastern Brazil. The results from this study show that 240+239Pu fallout activities are sufficient and well preserved in the coastal sediments of this region. Sediment accumulation rates determined from the 240+239Pu signatures were 4.4 mm/year and 4.1 from 210Pb (CIC) method. A sediment mixing coefficient rate was calculated using chlorophyll-a profile (9.5 cm2).

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)