Control of Pa/Th ratio by particulate chemical composition in the ocean

Geophysical Research Letters

Volumn 29, Issue 20, 2002, Pages

  Guo, Laodong ^a   Chen, Min ^b   Gueguen, Celine ^a  

^a UNIVERSITY OF ALASKA FAIRBANKS   (United States)

^b XIAMEN UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

BIOLOGICAL MATERIALS; CALCIUM CARBONATE; THORIUM; TRACE ELEMENTS;

CARBONATE CONTENT; CHEMICAL COMPOSITIONS; CONTROLLED LABORATORIES; FIELD OBSERVATIONS; NATURAL ORGANIC MATTERS; NEW RESULTS; PARTICLE SURFACE; TRACE ELEMENT GEOCHEMISTRY;

PROTACTINIUM;

EID: 0037110253     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1029/2002GL015666     Document Type: Article

References (30)

1. 231Pa from the open ocean, Earth Planet Sci. Lett., 62, 7-23, 1983.
2. 210Pb, Deep-Sea Res. II, 41, 537-561, 1994.
3. Anderson, H. L., R. Francois, and, S. B. Moran, Experimental evidence for different adsorption of Th and Pa on different solid phases in seawater, EOS, Trans. Amer. Geophys. Union, 73 (S43), 270, 1992.
4. Bacon, M. P., Tracers of chemical scavenging in the ocean: boundary effects and large-scale chemical fractionation. Philosophical Transactions of the Royal Society of London, A320, 187-200, 1988.
5. Chase, Z., R. F. Anderson, M. Q. Fleisher, P. Kubik, and, P. Scherrer, The influence of particulate composition on scavenging of Th, Pa, and Be in the ocean, EOS., 82 (47), F619, 2001.
6. DeMaster, D. J., The marine budgets of silica and 32-Si, Ph.D. thesis, Yale University, New Haven, pp. 308, 1979.
7. 15N, Paleoceanography, 8, 611-629, 1993.
8. 234Th and its relationship to acid polysaccharide abundance in the Gulf of Mexico, Mar. Chem., 78, 103-119, 2002.
9. Horne, R. A., Marine Chemistry, Wiely Interscience, 1969.
10. 230Th ratios in sediments as a proxy for past changes in Southern Ocean productivity, Nature, 362, 45-48, 1993.
11. Kumar, N., R. F. Anderson, R. A. Mortlock, P. N. Froelich, P. Kubik, B. Dittrich-Hannen, and, M. Suter, Increased biological productivity and export production in the glacial Southern Ocean, Nature, 378, 675-680, 1995.
12. 231Pa, Paleoceanography, 7, 783-789, 1992.
13. Luo, S., Growth dynamics of deep-sea Mn nodules and its implications for paleoceanography: Chemical and isotopic evidences, Ph.D. thesis, Xiamen University, 1988.
14. 230Th ratio influenced by particle composition and remineralization, Earth Planet. Sci. Lett., 167, 183-195, 1999.
15. 230Th ratio, Paleoceanography, 15, 625-641, 2000.
16. 230Th data, Geophys. Res. Lett., 28, 3437-3440, 2001.
17. 230Th profiles in the open ocean water column, Deep-Sea Res., 32, 1209-1220, 1985.
18. Nyffeler, U. P., Y. H. Li, and, P. H. Santschi, A kinetic approach to describe trace-element distribution between particles and solution in natural aquatic system, Geochim. Cosmochim. Acta, 48, 1513-1522, 1984.
19. Quigley, M. S., B. D. Honeyman, and, P. H. Santschi, Thorium sorption in the marine environment: Equilibrium partitioning at the Hematite/water interface, sorption/desorption kinetics and particle tracing, Aquatic Geochem., 1, 277-301, 1996.
20. 234Th with marine organic matter, Mar. Chem., 76, 27-45, 2001.
21. 234Th complexation to marine organic matter, Limnol. Oceanogr., 47, 367-377, 2002.
22. 230Th near the Antarctic Polar Front in the South Atlantic, Deep-Sea Res., 40, 339-357, 1993.
23. 234Th and POC export fluxes by marine organisms, Geophys. Res. Lett. 29, (in press), 2002.
24. 231Pa in the water column in relation to the ventilation of the deep Arctic basins, Deep-Sea Res. II, 42, 1519-1531, 1995.
25. 231Pa in the biological productive northern North Pacific, Earth Plant. Sci. Lett., 93, 223-232, 1989.
26. 230Th ratio as a paleoproductivety proxy, Earth Planet. Sci. Lett., 149, 85-100, 1997.
27. 230Th activity ratio as a tracer for bioproductivity of the ocean. In: "Use of proxies in paleoceanography: examples from the South Atlantic", edited by, G. Fisher, and, G. Wefer, Springer-Verlag Berlin Heidelberg, pp. 393-408, 1999.
28. 230Th in radionuclide enriched waters of the Atlantic sector of the Southern Ocean, Deep-Sea Res. I, 48, 471-493, 2001.
29. Yu, E.-F., R. Francois, and, M. P. Bacon, Similar rates of modern and last-glacial ocean thermohaline circulation inferred from radiochemical data, Nature, 378, 689-694, 1996.
30. 237Np, Atomic Energy Sci. Technol., 24, 69-72, 1990.