Some improved techniques for measuring radon and radium in marine sediments and in seawater

Marine Chemistry - Tập 7 - Trang 251-264 - 1979
R.M. Key1, R.L. Brewer1, J.H. Stockwell1, N.L. Guinasso1, D.R. Schink1
1Department of Oceanography, Texas A&M University, College Station, TX 77843 U.S.A.

Tài liệu tham khảo

Bainbridge, 1976, GEOSECS Atlantic Bottom Hydrography, Radon, and Suspended Particulate Atlas, NSF-IDOE Publ. Broecker, 1965, An application of natural radon to problems in oceanic circulations, 116 Chung, 1971, Pacific Deep and Bottom Water Studies Based on Temperature, Radium and Excess-Radon Measurements Key, 1977, Estimating the standard deviation for 222Rn scintillation counting — a note concerning the paper by Sarmiento et al., Earth Planet. Sci. Lett., 35, 184, 10.1016/0012-821X(77)90042-5 Key, 1978, Emanation of radon-222 from marine sediments, Mar. Chem., 7, 221, 10.1016/0304-4203(79)90041-0 Ku, 1965, An evaluation of the 234U/238U method as a tool for dating pelagic sediments, J. Geophys. Res., 70, 3457, 10.1029/JZ070i014p03457 Lucas, 1957, Improved low level alpha scintillation counter for radon, Rev. Sci. Instr., 28, 680, 10.1063/1.1715975 Lucas, 1964, Effect of long decay chains on the counting statistics in the analysis of radium-224 and radon-222, J. Applied Phys., 35, 452, 10.1063/1.1713334 Moore, 1976, Sampling 228Ra in the deep ocean, Deep-Sea Res., 23, 647 Reid, 1974, Radium extraction from sea water: Efficiency of manganese impregnated fibers Sarmiento, 1976, The calculation of statistical counting error for 222Rn scintillation counting, Earth Planet. Sci. Lett., 32, 351, 10.1016/0012-821X(76)90075-3 Schink, 1970, Radon profiles in the sea: a measure of air-sea exchange, IEEE Trans. Nucl. Sci., NS-17, 184, 10.1109/TNS.1970.4325579