Distribution of 230Th in the Labrador Sea and its relation to ventilation

Earth and Planetary Science Letters

Volumn 150, Issue 1-2, 1997, Pages 151-160

  Moran, S B ^a   Charette, M A ^a   Hoff, J A ^b   Edwards, R L ^b   Landing, W M ^c  

^a UNIVERSITY OF RHODE ISLAND   (United States)

^b UNIVERSITY OF MINNESOTA   (United States)

^c FLORIDA STATE UNIVERSITY   (United States)

Author keywords

Labrador Sea; Thorium

Indexed keywords

CIRCULATION; DEEP WATER; SCAVENGING MODEL; SEAWATER; THORIUM ISOTOPES; THORIUM-230; TRACERS; VENTILATION;

ATLANTIC, LABRADOR SEA;

EID: 0030778302     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0012-821x(97)00081-2     Document Type: Article

References (27)

1. E.-F. Yu, R. Francois, M.P. Bacon, Similar rates of modern and last-glacial ocean thermohaline circulation inferred from radiochemical data, Nature 379 (1996) 689-694.
2. 231Pa in the deep-sea surface sediments of the Pacific Ocean, Geochim. Cosmochim. Acta 50 (1986) 81-99.
3. M.P. Bacon, Tracers of chemical scavenging in the ocean: boundary effects and large-scale chemical fractionation, Philos. Trans. R. Soc. London, Ser. A 325 (1988) 147-160.
4. 231Pa, Earth Planet. Sci. Lett. 96 (1990) 287-304.
5. 231Pa, Paleoceanography 7 (1992) 783-798.
6. 230Th profile in the Atlantic Ocean, Earth Planet. Sci. Lett. 62 (1983) 377-384.
7. J.K. Cochran, H.D. Livingston, D.J. Hirschberg, L.D. Suprenant, Natural and anthropogenic radionuclide distributions in the northwest Atlantic Ocean, Earth Planet. Sci. Lett. 84 (1987) 135-152.
8. Y. Nozaki, Y. Horibe, H. Tsubota, The water column distributions of thorium isotopes in the western North Pacific, Earth Planet. Sci. Lett. 54 (1981) 203-216.
9. M.M. Rutgers van der Loeff, G.W. Berger, Scavenging of Th and Pa near the Antarctic Polar Front in the South Atlantic, Deep-Sea Res. 40 (2) (1993) 339-357.
10. 230Th ratio, Ph.D. Thesis, MIT/WHOI, WHOI-94-21, 1994.
11. 232Th in the Norwegian Sea and Denmark Strait by thermal ionization mass spectrometry, Geophys. Res. Lett. 22 (1995) 2589-2592.
12. 232Th in seawater, Earth Planet. Sci. Lett. 80 (1986) 241-251.
13. 232Th systematics and the precise measurement of time over the past 500,000 years, Earth Planet. Sci. Lett. 81 (1986) 175-192.
14. H. Cheng, R.L. Edwards, S.J. Goldstein, Pa-231 dating of carbonates using TIMS techniques, EOS Trans. Am. Geophys. Union 77 (1996) S168.
15. D.W. Eggiman, P.R. Betzer, Decomposition and analysis of refractory oceanic suspended materials, Anal. Chem. 48 (1976) 886-890.
16. W.M. Landing, R.T. Powell, D. Whitney King, Distributions of dissolved and particulate iron in the Atlantic Ocean: results fom the 1990 and 1993 IOC Trace Metals Baseline Expedition, EOS Trans. Am. Geophys. Union 75 (44) (1994) 324.
17. 232Th in liter-sized samples of seawater from the Northwest Atlantic Ocean, Geochim. Cosmochim. Acta (1996), in prep.
18. 232Th: a reconnaissance and implications of global distribution from manganese nodules, Geochim. Cosmochim. Acta 53 (1989) 1357-1366.
19. P.A. Yeats, C.I. Measures, The hydrographic setting of the second IOC contaminants baseline cruise, Mar. Chem. (1996) submitted.
20. M.P. Bacon, R.F. Anderson, Distribution of thorium isotopes between dissolved and particulate forms in the deep sea, J. Geophys. Res. 87 (1982) 2045-2056.
21. Y. Nozaki, Y. Horibe, Alpha-emitting thorium isotopes in northwest Pacific deep waters, Earth Planet. Sci. Lett. 65 (1983) 39-50.
22. Y. Nozaki, H.S. Yang, M. Yamada, Scavenging of thorium in the ocean, J. Geophys. Res. 92 (1987) 772-778.
23. 231Pa in the water column in relation to the ventilation of the deep Arctic basins, Deep-Sea Res. 42 (1995) 1519-1531.
24. 2 (F-12) in the Central Arctic Ocean Basin, J. Geophys. Res. 90 (C1) (1985) 1155-1166.
25. J.N. Smith, K.M. Ellis, Radionuclide tracer profiles at the CESAR Ice Station and Canadian Ice Island in the western Arctic Ocean, Deep-Sea Res. 42 (6) (1995) 1449-1470.
26. W.M. Jr. Smethie, H.G. Ostlund, H.H. Loosli, Ventilation of the deep Greenland and Norwegian seas: evidence from krypton-85, tritium, carbon-14, and argon-39, Deep-Sea Res. 33 (5) (1986) 657-703.
27. W.S. Broecker, T.-H. Peng, Tracers in the Sea, Lamont-Doherty Geol. Observ., Columbia Univ., 1982, pp. 690.