AESOPS NBP98-2, Radionuclides from water bottle samples

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Principal investigator:  Bob Anderson
Institution:             Lamont-Doherty Earth Observatory

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Notes: 1) assumed seawater density = 1.027kg/l to convert from sample weight to volume. 2) radionuclide data are corrected for blanks based on Milli-Q water that was processed as samples. 3) Total (dissolved + particulate) radionuclide concentrations were measured and are presented here. 4) Th and Pa were measured by Thermal Ionization Mass Spectrometry (TIMS), and the errors are given as the 2 sigma standard error of the mean, based on between 20 and 150 measured isotope ratios. 5) 10Be was measured by Accelerator Mass Spectrometry at ETH Zurich, and the errors are given as the 1 sigma error on the measured 10Be/9Be ratios. References: Fleisher, M. Q. and R. F. Anderson. Assessing the Collection Efficiency of Ross Sea Sediment Traps using 230Th and 231Pa. Deep-Sea Research-II, in press. (3rd AESOPS volume) Y. Lao, R.F. Anderson, W.S. Broecker, H.J. Hofmann and W. Wolfli, Particulate fluxes of 230Th, 231Pa, and 10Be in the Northeastern Pacific Ocean, Geochimica Cosmochimica Acta 57(1), 205-217, 1993.
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