Computer Science
Scientific paper
Dec 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985e%26psl..76...10b&link_type=abstract
Earth and Planetary Science Letters, Volume 76, Issue 1-2, p. 10-22.
Computer Science
13
Scientific paper
Sedimentary Pu and excess 210Pb inventory data are examined from a large number of sites along the U.S. North Atlantic shelf and slope. From these data, an estimate can be made of the magnitude and location of Pu and 210Pb accumulation in this region. A major feature of the data is a decrease in the Pu and 210Pb inventories with water depth, which appears to reflect a decrease in the net scavenging of these elements off-shore. When Pu and 210Pb inventories are summed over water depths less than 4000 m in the North Atlantic shelf and slope region, the sediments can account for 24 +/- 8% of the expected Pu and 83 +/- 15% of the expected 210Pb inputs. At water depths greater than 4000 m in this region, we find a greater deficiency in the measured inventories of both 210Pb and Pu, which cannot be accounted for in the shallower sediments. This suggests that the northwest Atlantic continental margin is not a major site of Pu or 210Pb removal and storage, when compared to atmospheric, in situ, and lateral inputs of these radionuclides.
Buesseler Ken O.
Livingston Hugh D.
Sholkovitz Edward R.
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