Silicon stable isotope distribution traces Southern Ocean export of Si to the eastern South Pacific thermocline

Biogeosciences

Volumn 9, Issue 11, 2012, Pages 4199-4213

  De Souza, G F ^a,c   Reynolds, B C ^a   Johnson, G C ^b   Bullister, J L ^b   Bourdon, B ^a,d  

^a ETH ZURICH   (Switzerland)

^b NOAA EARTH SYSTEM RESEARCH LABORATORY   (United States)

^c PRINCETON UNIVERSITY   (United States)

^d UNIVERSITÉ DE LYON   (France)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATE CONDITIONS; DATA SET; DIATOM; DISSOLUTION; DISSOLVED MATTER; HOMOGENEITY; LATITUDE; SILICON; STABLE ISOTOPE; THERMOCLINE;

PACIFIC OCEAN; PACIFIC OCEAN (SOUTH); SOUTHERN OCEAN;

BACILLARIOPHYTA;

EID: 84868663904     PISSN: 17264170     EISSN: 17264189     Source Type: Journal    
DOI: 10.5194/bg-9-4199-2012     Document Type: Article

References (63)

1. Antonov, J. I., Seidov, D., Boyer, T. P., Locarnini, R. A., Mis-honov, A., and Garcia, H. E.: World Ocean Atlas 2009, vol. 2, Salinity, NOAA Atlas NESDIS 69, US Government Printing Office, Washington DC, 2010.
2. Aoki, S., Hariyama, M., Mitsudera, H., Sasaki, H., and Sa-sai, Y.: Formation regions of Subantarctic Mode Water detected by OFES and Argo profiling floats, Geophys. Res. Lett., 34, L10606, doi:10.1029/2007gl029828, 2007. (Pubitemid 47064824)
3. Beucher, C. P., Brzezinski, M. A., and Jones, J. L.: Sources and biological fractionation of Silicon isotopes in the Eastern Equatorial Pacific, Geochim. Cosmochim. Ac., 72, 3063-3073, 2008.
4. Beucher, C. P., Brzezinski, M. A., and Jones, J. L.: Mechanisms controlling silicon isotope distribution in the Eastern Equatorial Pacific, Geochim. Cosmochim. Ac., 75, 4286-4294, 2011.
5. Blanco, J. L., Thomas, A. C., Carr, M.-E., and Strub, P. T.: Seasonal climatology of hydrographic conditions in the upwelling region of Northern Chile, J. Geophys. Res.-Oceans, 106, 11451-11467, 2001.
6. Broecker, W. S., Blanton, S., Smethie, W. M., and Ostlund, G.: Radiocarbon decay and oxygen utilization in the deep Atlantic Ocean, Global Biogeochem. Cy., 5, 87-117, 1991.
7. Brzezinski, M. A., Jones, J. L., Beucher, C. P., Demarest, M. S., and Berg, H. L.: Automated determination of silicon isotope natural abundance by the acid decomposition of cesium hexafluosilicate, Anal. Chem., 78, 6109-6114, 2006. (Pubitemid 44360122)
8. Brzezinski, M. A., Dumousseaud, C., Krause, J. W., Measures, C. I., and Nelson, D. M.: Iron and silicic acid concentrations together regulate Si uptake in the equatorial Pacific Ocean, Limnol. Oceanogr., 53, 875-889, 2008. (Pubitemid 351821686)
9. Buesseler, K. O.: The decoupling of production and particulate export in the surface ocean, Global Biogeochem. Cy., 12, 297-310, 1998. (Pubitemid 28476835)
10. Cardinal, D., Alleman, L. Y., Dehairs, F., Savoye, N., Trull, T. W., and Andre, L.: Relevance of silicon isotopes to Si-nutrient utilization and Si-source assessment in Antarctic waters, Global Biogeochem. Cy., 19, GB2007, doi:10.1029/2004GB002364, 2005. (Pubitemid 41576407)
11. Cavagna, A.-J., Fripiat, F., Dehairs, F., Wolf-Gladrow, D. A., Cisewski, B., Savoye, N., André, L., and Cardinal, D.: Silicon uptake and supply during a Southern Ocean iron fertilization experiment (EIFEX) tracked by Si isotopes, Limnol. Oceanogr., 56, 147-160, 2011.
12. De La Rocha, C. L., Brzezinski, M. A., and DeNiro, M. J.: Fraction-ation of silicon isotopes by marine diatoms during biogenic silica formation, Geochim. Cosmochim. Ac., 61, 5051-5056, 1997.
13. De La Rocha, C. L., Brzezinski, M. A., and DeNiro, M. J.: A first look at the distribution of the stable isotopes of silicon in natural waters, Geochim. Cosmochim. Ac., 64, 2467-2477, 2000. (Pubitemid 30483827)
14. de Souza, G. F., Reynolds, B. C., Rickli, J., Frank, M., Saito, M., Gerringa, L. J. A., and Bourdon, B.: Southern Ocean control of silicon stable isotope distribution in the deep Atlantic Ocean, Global Biogeochem. Cy., 26, GB2035, doi:10.1029/2011GB004141, 2012.
15. Dong, S., Sprintall, J., Gille, S. T., and Talley, L.: Southern Ocean mixed-layer depth from Argo float profiles, J. Geophys. Res.-Oceans, 113, C06013, doi:10.1029/2006jc004051, 2008.
16. Dugdale, R. C., Wischmeyer, A. G., Wilkerson, F. P., Barber, R. T., Chai, F., Jiang, M. S., and Peng, T. H.: Meridional asymmetry of source nutrients to the equatorial Pacific upwelling ecosystem and its potential impact on ocean-atmosphere CO2 flux; a data and modeling approach, Deep-Sea Res. Pt. II, 49, 2513-2531, 2002. (Pubitemid 34653205)
17. Ehlert, C., Grasse, P., Mollier-Vogel, E., Böschen, T., Franz, J., de Souza, G. F., Reynolds, B. C., Stramma, L., and Frank M.: Factors controlling the silicon isotope distribution in waters and surface sediments of the Peruvian coastal upwelling, Geochim. Cos-mochim. Ac., 99, 128-145, 2012.
18. Fine, R. A., Maillet, K. A., Sullivan, K. F., and Willey, D.: Circulation and ventilation flux of the Pacific Ocean, J. Geophys. Res.-Oceans, 106, 22159-22178, 2001.
19. Fripiat, F., Cavagna, A.-J., Dehairs, F., Speich, S., André, L., and Cardinal, D.: Silicon pool dynamics and biogenic silica export in the Southern Ocean inferred from Si-isotopes, Ocean Sci., 7, 533-547, doi:10.5194/os-7-533-2011, 2011a.
20. Fripiat, F., Cavagna, A.-J., Savoye, N., Dehairs, F., André, L., and Cardinal, D.: Isotopic constraints on the Si-biogeochemical cycle of the Antarctic Zone in the Kerguelen area (KEOPS), Mar. Chem., 123, 11-22, 2011b.
21. Garcia, H. E., Locarnini, R. A., Boyer, T. P., and Antonov, J. I.: World Ocean Atlas 2009, vol. 3, Dissolved Oxygen, Apparant Oxygen Utilization, and Oxygen Saturation, NOAA Atlas NES-DIS 70, US Government Printing Office, Washington DC, 2010a.
22. Garcia, H. E., Locarnini, R. A., Boyer, T. P., and Antonov, J. I.: World Ocean Atlas 2009, vol. 4, Nutrients (phosphate, nitrate, silicate), NOAA Atlas NESDIS 71, US Government Printing Office, Washington DC, 2010b.
23. Georg, R., Reynolds, B., Frank, M., and Halliday, A.: New sample preparation techniques for the determination of Si isotopic compositions using MC-ICPMS, Chem. Geol., 235, 95-104, 2006. (Pubitemid 44597171)
24. Gruber, N., Gloor, M., Mikaloff Fletcher, S. E., Doney, S. C., Dutkiewicz, S., Follows, M. J., Gerber, M., Jacobson, A. R., Joos, F., Lindsay, K., Menemenlis, D., Mouchet, A., Müller, S. A., Sarmiento, J. L., and Takahashi, T.: Oceanic sources, sinks, and transport of atmospheric CO2, Global Biogeochem. Cy., 23, GB1005, doi:10.1029/2008gb003349, 2009.
25. Hanawa, K. and Talley, L. D.: Mode waters, in: Ocean Circulation and Climate-Observing and Modelling the Global Ocean, edited by: Siedler, G., Church, J. A., and Gould, J., vol. 77 of International Geophysics, Academic Press, San Diego, 373-386, 2001. (Pubitemid 33343230)
26. Jackett, D. R. and McDougall, T. J.: A neutral density variable for the world's oceans, J. Phys. Oceanogr., 27, 237-263, 1997.
27. Johnson, G. C.: Quantifying antarctic bottom water and North Atlantic deep water volumes, J. Geophys. Res.-Oceans, 113, C05027, doi:10.1029/ 2007JC004477, 2008.
28. Johnson, G. C. and McPhaden, M. J.: Interior pycnocline flow from the subtropical to the equatorial Pacific Ocean, J. Phys. Oceanogr., 29, 3073-3089, 1999. (Pubitemid 30172378)
29. Johnson, G. C. and McTaggart, K. E.: Equatorial Pacific 13?C Water eddies in the eastern subtropical South Pacific Ocean, J. Phys. Oceanogr., 40, 226-236, 2010.
30. Karstensen, J. and Quadfasel, D.: Formation of southern hemisphere thermocline waters: water mass conversion and subduc-tion, J. Phys. Oceanogr., 32, 3020-3038, 2002. (Pubitemid 36209704)
31. Karstensen, J., Stramma, L., and Visbeck, M.: Oxygen minimum zones in the eastern tropical Atlantic and Pacific oceans, Prog. Oceanogr., 77, 331-350, 2008.
32. Locarnini, R. A., Mishonov, A., Antonov, J. I., Boyer, T. P., and Garcia, H. E.: World Ocean Atlas 2009, vol. 1, Temperature, NOAA Atlas NESDIS 68, US Government Printing Office, Washington DC, 2010.
33. Lumpkin, R. and Speer, K.: Global ocean meridional overturning, J. Phys. Oceanogr., 37, 2550-2562, 2007. (Pubitemid 350148787)
34. Matsumoto, K.: Radiocarbon-based circulation age of the world oceans, J. Geophys. Res.-Oceans, 112, C09004, doi:10.1029/2007JC004095, 2007. (Pubitemid 350120724)
35. McCartney, M. S.: Subantarctic mode water, in: A Voyage of Discovery, Supplement to Deep-Sea Research vol. 24, edited by: Angel, M., Pergamon Press, Oxford, 103-119, 1977.
36. McCartney, M. S.: The subtropical recirculation of Mode Waters, J. Mar. Res., 40, 427-464, 1982.
37. Milligan, A. J., Varela, D. E., Brzezinski, M. A., and Morel, F. M. M.: Dynamics of silicon metabolism and silicon iso-topic discrimination in a marine diatom as a function of pCO2, Limnol. Oceanogr., 49, 322-329, 2004. (Pubitemid 38536882)
38. O'Connor, B. M., Fine, R. A., Maillet, K. A., and Olson, D. B.: Formation rates of subtropical underwater in the Pacific Ocean, Deep-Sea Res. Pt. I, 49, 1571-1590, 2002. (Pubitemid 35255128)
39. Orsi, A. H., Whitworth, T., and Nowlin, W. D.: On the meridional extent and fronts of the Antarctic Circumpolar Current, Deep-Sea Res. Pt. I, 42, 641-673, 1995. (Pubitemid 26462963)
40. Palter, J. B., Sarmiento, J. L., Gnanadesikan, A., Simeon, J., and Slater, R. D.: Fueling export production: nutrient return pathways from the deep ocean and their dependence on the Meridional Overturning Circulation, Biogeosciences, 7, 3549-3568, doi:10.5194/bg-7-3549-2010, 2010.
41. Rafter, P. A., Sigman, D. M., Charles, C. D., Kaiser, J., and Haug, G. H.: Subsurface tropical Pacific nitrogen isotopic composition of nitrate: Biogeochemical signals and their transport, Global Biogeochem. Cy., 26, GB1003, doi:10.1029/2010gb003979, 2012.
42. Reid, J. L.: On the total geostrophic circulation of the South Pacific Ocean: flow patterns, tracers and transports, Prog. Oceanogr., 16, 1-61, 1986.
43. Reid, J. L.: On the total geostrophic circulation of the Pacific Ocean: flow patterns, tracers, and transports, Prog. Oceanogr., 39, 263-352, 1997.
44. Reynolds, B. C., Frank, M., and Halliday, A. N.: Silicon isotope fractionation during nutrient utilization in the North Pacific, Earth Planet. Sc. Lett., 244, 431-443, 2006.
45. Reynolds, B. C., Aggarwal, J., André, L., Baxter, D., Beucher, C., Brzezinski, M. A., Engström, E., Georg, R. B., Land, M., Leng, M. J., Opfergelt, S., Rodushkin, I., Sloane, H. J., van den Boorn, S. H. J. M., Vroon, P. Z., and Cardinal, D.: An inter-laboratory comparison of Si isotope reference materials, J. Anal. Atom. Spectrom., 22, 561-568, 2007. (Pubitemid 46980416)
46. Sallée, J.-B., Speer, K., Rintoul, S., and Wijffels, S.: Southern Ocean thermocline ventilation, J. Phys. Oceanogr., 40, 509-529, 2010.
47. Sarmiento, J. L., Gruber, N., Brzezinski, M. A., and Dunne, J. P.: High-latitude controls of thermocline nutrients and low latitude biological productivity, Nature, 427, 56-60, 2004. (Pubitemid 38094818)
48. Schlitzer, R.: Electronic atlas of WOCE hydrographic and tracer data now available, EOS T. Am. Geophys. Un., 81, p. 45, doi:10.1029/00EO00028, 2000.
49. Schlitzer, R.: Ocean Data View, available at: http://odv.awi.de, 2009.
50. Schmitz, W. J.: The Pacific and Indian Oceans/A Global Update, Technical report, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA, 1996.
51. Sloyan, B. M. and Rintoul, S. R.: Circulation, renewal, and modification of Antarctic mode and intermediate water, J. Phys. Oceanogr., 31, 1005-1030, 2001. (Pubitemid 32501416)
52. Sloyan, B. M., Talley, L. D., Chereskin, T. K., Fine, R., and Holte, J.: Antarctic intermediate water and subantarctic mode water formation in the Southeast Pacific: the role of turbulent mixing, J. Phys. Oceanogr., 40, 1558-1574, 2010.
53. Stommel, H.: Determination of water mass properties of water pumped down from the Ekman layer to the geostrophic flow below, P. Natl. Acad. Sci. USA, 76, 3051-3055, 1979.
54. Talley, L. D. and Joyce, T. M.: The double silica maximum in the North Pacific, J. Geophys. Res.-Oceans, 97, 5465-5480, 1992.
55. Toggweiler, J. R. and Carson, S.: What are upwelling systems contributing to the ocean's carbon and nutrient budgets?, in: Up-welling in the Ocean: Modern Processes and Ancient Records, edited by: Summerhayes, C., Emeis, K.-C., Angel, M. V., Smith, R. L., and Zeitzschel, B., John Wiley and Sons, Chich-ester, 337-360, 1995.
56. Toggweiler, J. R., Dixon, K., and Broecker, W. S.: The Peru up-welling and the ventilation of the South Pacific thermocline, J. Geophys. Res.-Oceans, 96, 20467-20497, 1991.
57. Tsuchiya, M.: Flow path of Antarctic Intermediate Water in the western equatorial South Pacific Ocean, Deep-Sea Res., 38, S273-S279, 1991.
58. Tsuchiya, M. and Talley, L.: Water-property distributions along an Eastern Pacific hydrographic section at 135 W, J. Mar. Res., 54, 541-564, 1996.
59. Tsuchiya, M. and Talley, L. D.: A Pacific hydrographic section at 88? W: water-property distribution, J. Geophys. Res.-Oceans, 103, 12899-12918, 1998.
60. Tsuchiya, M., Lukas, R., Fine, R. A., Firing, E., and Lindstrom, E.: Source waters of the Pacific Equatorial Undercurrent, Prog. Oceanogr., 23, 101-147, 1989.
61. Varela, D. E., Pride, C. J., and Brzezinski, M. A.: Biological fractionation of silicon isotopes in Southern Ocean surface waters, Global Biogeochem. Cy., 18, GB1047, doi:10.1029/2003GB002140, 2004.
62. Warren, B. A.: Transpacific hydrographic sections at Lats. 43? S and 28? S: the SCORPIO expedition-II. Deep water, Deep Sea Res. Ocean., 20, 9-38, 1973.
63. Wong, A. P. S. and Johnson, G. C.: South Pacific eastern subtropical mode water, J. Phys. Oceanogr., 33, 1493-1509, 2003. (Pubitemid 37084544)