Plio-Pleistocene denitrification in the eastern tropical North Pacific: Intensification at 2.1 Ma

Geochemistry, Geophysics, Geosystems

Volumn 9, Issue 11, 2008, Pages

  Liu, Zhonghui ^a,b   Altabet, Mark A ^c   Herbert, Timothy D ^a  

^a BROWN UNIVERSITY   (United States)

^b YALE UNIVERSITY   (United States)

^c UNIVERSITY OF MASSACHUSETTS DARTMOUTH   (United States)

Author keywords

ETNP denitrification; Nitrogen isotopes; Ocean biogeochemistry; Plio Pleistocene; Upper ocean circulation

Indexed keywords

EID: 70350417793     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2008GC002044     Document Type: Article

References (57)

1. 2O variability during the Holocene, Geophys. Res. Lett., 33, L13704, doi:10.1029/2006GL025864. (Pubitemid 44945953)
2. 15N records, Biogeosciences, 4, 74-86.
3. Altabet, M. A., and R. Francois (1994), Sedimentary nitrogen isotopic ratios as a recorder for surface ocean nitrate utilization, Global Biogeochem. Cycles, 8, 103-116, doi:10.1029/93GB03396.
4. 14N ratios, Nature, 373, 506-509, doi:10.1038/ 373506a0.
5. Altabet, M. A., D. W. Murray, and W. L. Prell (1999a), Climatically linked oscillations in Arabian Sea denitrification over the past 1 m.y.: Implications for the marine N cycle, Paleoceanography, 14, 732-743, doi:10.1029/1999PA900035. (Pubitemid 30168138)
6. Altabet, M. A., C. Pilskaln, R. Thunell, C. Pride, D. Sigman, F. Chavez, and R. Francois (1999b), The nitrogen isotope biogeochemistry of sinking particles from the margin of the Eastern North Pacific, Deep Sea Res., Part I, 46, 655-679, doi:10.1016/S0967-0637(98)00084-3. (Pubitemid 29147683)
7. 2, Nature, 415, 159-162, doi:10.1038/415159a. (Pubitemid 34059514)
8. Brandes, J. A., and A. H. Devol (1997), Isotopic fractionation of oxygen and nitrogen in coastal marine sediments, Geochim. Cosmochim. Acta, 61, 1793-1801, doi:10.1016/S0016-7037(97)00041-0.
9. Brandes, J. A., A. H. Devol, T. Yoshinari, D. A. Jayakumar, and S. W. A. Naqvi (1998), Isotopic composition of nitrate in the central Arabian sea and eastern tropical North Pacific: A tracer for mixing and nitrogen cycles, Limnol. Oceanogr., 43, 1680-1689.
10. 2 changes, Paleoceanography, 13, 352-364, doi:10.1029/98PA00920.
11. Carpenter, E. J., H. R. Harvey, B. Fry, and D. G. Capone (1997), Biogeochemical tracers of the marine cyanobacterium Trichodesmium, Deep Sea Res., Part I, 44, 27-38, doi:10.1016/S0967-0637(96)00091-X. (Pubitemid 27115227)
12. Codispoti, L. A. (1995), Is the ocean losing nitrate?, Nature, 376, 724, doi:10.1038/376724a0.
13. Codispoti, L. A., and J. P. Christensen (1985), Nitrification, denitrification, and nitrous oxide cycling in the eastern tropical South Pacific Ocean, Mar. Chem., 16, 277-300, doi:10.1016/0304-4203(85)90051-9.
14. Cortese, G., R. Gersonde, C.-D. Hillenbrand, and G. Kuhn (2004), Opal sedimentation shifts in the World Ocean over the last 15 Myr, Earth Planet. Sci. Lett., 224, 509-527, doi:10.1016/j.epsl.2004.05.035. (Pubitemid 39102621)
15. De Pol-Holz, R., O. Ulloa, F. Lamy, L. Dezileau, P. Sabatier, and D. Hebbeln (2007), Late Quaternary variability of sedimentary nitrogen isotopes in the eastern South Pacific Ocean, Paleoceanography, 22, PA2207, doi:10.1029/2006PA001308.
16. Dekens, P. S., A. C. Ravelo, and M. D. McCarthy (2007), Warm upwelling regions in the Pliocene warm period, Paleoceanography, 22, PA3211, doi:10.1029/2006PA001394. (Pubitemid 350201891)
17. Deutsch, C., D. M. Sigman, R. C. Thunell, A. N. Meckler, and G. H. Haug (2004), Isotopic constraints on glacial/interglacial changes in the oceanic nitrogen budget, Global Biogeochem. Cycles, 18, GB4012, doi:10.1029/ 2003GB002189. (Pubitemid 40440574)
18. 2 flux; a data and modeling approach, Deep Sea Res., Part II, 49, 2513-2531, doi:10.1016/S0967-0645(02)00046-2. (Pubitemid 34653205)
19. Emmer, E., and R. C. Thunell (2000), Nitrogen isotope variations in Santa Barbara Basin sediments: Implications for denitrification in the eastern tropical North Pacific during the last 50,000 years, Paleoceanography, 15, 377-387, doi:10.1029/1999PA000417. (Pubitemid 32300483)
20. 2 concentrations during the last glacial period, Nature, 389, 929-935, doi:10.1038/40073.
21. 2 supply to the global thermocline, Paleoceanography, 19, PA4007, doi:10.1029/2003PA001000.
22. Ganeshram, R. S., T. F. Pedersen, S. E. Calvert, G. W. McNeill, and M. R. Fontugne (2000), Glacial-interglacial variability in denitrification in the world's oceans: Causes and consequences, Paleoceanography, 15, 361-376, doi:10.1029/1999PA000422. (Pubitemid 32300482)
23. Hamersley, M. R., et al. (2007), Anaerobic ammonium oxidation in the Peruvian oxygen minimum zone, Limnol. Oceanogr., 52, 923-933.
24. Haug, G. H., and R. Tiedemann (1998), Effect of the formation of the Isthmus of Panama on Atlantic Ocean thermohaline circulation, Nature, 393, 673-676, doi:10.1038/31447. (Pubitemid 28289653)
25. Haug, G. H., D. M. Sigman, R. Tiedemann, T. F. Pedersen, and M. Sarnthein (1999), Onset of permanent stratification in the subarctic Pacific Ocean, Nature, 401, 779-782, doi:10.1038/44550. (Pubitemid 29512510)
26. Hendy, I. L., and J. P. Kennett (2003), Tropical forcing of North Pacific intermediate water distribution during Late Quaternary rapid climate change?, Quat. Sci. Rev., 22, 673-689, doi:10.1016/S0277-3791(02)00186-5. (Pubitemid 36339510)
27. Hendy, I. L., T. F. Pedersen, J. P. Kennett, and R. Tada (2004), Intermittent existence of a southern Californian upwelling cell during submillennial climate change of the last 60 kyr, Paleoceanography, 19, PA3007, doi:10.1029/2003PA000965. (Pubitemid 40042720)
28. Higginson, M. J., and M. A. Altabet (2004), Initial test of the silicic acid leakage hypothesis using sedimentary biomarkers, Geophys. Res. Lett., 31, L18303, doi:10.1029/2004GL020511.
29. Hodell, D. A., and K. A. Venz-Curtis (2006), Late Neogene history of deepwater ventilation in the Southern Ocean, Geochem. Geophys. Geosyst., 7, Q09001, doi:10.1029/2005GC001211.
30. Howell, P. (2001), ARAND time series and spectral analysis package for the Macintosh, World Data Cent. for Paleoclimatol., Boulder, Colo. (Available at http://www.ncdc.noaa.gov/paleo/softlib/arand/arand.html)
31. Kienast, S. S., S. E. Calvert, and T. F. Pedersen (2002), Nitrogen isotope and productivity variations along the northeast Pacific margin over the last 120 kyr: Surface and subsurface paleoceanography, Paleoceanography, 17(4), 1055, doi:10.1029/2001PA000650.
32. Lawrence, K. T., Z. Liu, and T. D. Herbert (2006), Evolution of the eastern tropical Pacific through Plio-Pleistocene glaciation, Science, 312, 79-83, doi:10.1126/science.1120395.
33. Levitus, S., T. Boyer, R. Burgett, and M. Conkwright (1994), World Ocean Atlas, National Oceanographic Data Center, NOAA, Silver Spring, Md.
34. Lisiecki, L. E., and M. E. Raymo (2005), A Plio-Pleistocene stack of 57 globally distributed benthic d18O records, Paleoceanography, 20, PA1003, doi:10.1029/2004PA001071. (Pubitemid 40865277)
35. 15N-enriched nitrate in seawater off southern California, Limnol. Oceanogr., 34, 820-830.
36. Liu, Z. H., M. A. Altabet, and T. D. Herbert (2005), Glacialinterglacial modulation of eastern tropical North Pacific denitrification over the last 1.8-Myr, Geophys. Res. Lett., 32, L23607, doi:10.1029/2005GL024439. (Pubitemid 43159358)
37. Lukas, R. (1986), The termination of the Equatorial Undercurrent in the eastern Pacific, Prog. Oceanogr., 16, 63-90, doi:10.1016/0079-6611(86)90007-8.
38. Marlow, J. R., C. B. Lange, G. Wefer, and A. Rosell-Melé(2000), Upwelling intensification as part of the Pliocene-Pleistocene climate transition, Science, 290, 2288-2291.
39. 2 and climate, Nature, 302, 328-329, doi:10.1038/302328a0.
40. Mudelsee, M., and M. E. Raymo (2005), Slow dynamics of the Northern Hemisphere glaciation, Paleoceanography, 20, PA4022, doi:10.1029/2005PA001153. (Pubitemid 43257505)
41. Ravelo, A. C., D. H. Andreasen, M. Lyle, A. Olivarez Lyle, and M. W. Wara (2004), Regional climate shifts caused by gradual global cooling in the Pliocene epoch, Nature, 429, 263-267, doi:10.1038/nature02567. (Pubitemid 38684806)
42. Robinson, R. S., and P. A. Meyers (2002), Biogeochemical changes within the Benguela Current upwelling system during the Matuyama Diatom Maximum: Nitrogen isotope evidence from Ocean Drilling Program Sites 1082 and 1084, Paleoceanography, 17(4), 1064, doi:10.1029/2001PA000659.
43. Robinson, R. S., A. Mix, and P. Martinez (2007), Southern Ocean control on the extent of denitrification in the southeast Pacific over the last 70 ka, Quat. Sci. Rev., 26, 201-212, doi:10.1016/j.quascirev.2006.08.005. (Pubitemid 46037941)
44. Sarmiento, J. L., N. Gruber, M. A. Brzezinski, and J. P. Dunne (2004), High-latitude controls of thermocline nutrients and low latitude biological productivity, Nature, 427, 56-60, doi:10.1038/nature02127. (Pubitemid 38094818)
45. Shackleton, N. J., et al. (1984), Oxygen isotope calibration of the onset of ice-rafting and history of glaciation in the North-Atlantic region, Nature, 307, 620-623, doi:10.1038/307620a0.
46. Shipboard Scientific Party (1997), Site 1012, in Proceedings of Ocean Drilling Program, Initial Reports, edited by M. Lyle, I. Koizumi and C. Richter, pp. 129-155, Ocean Drill. Program, College Station, Tex.
47. Sigman, D. M., and E. A. Boyle (2000), Glacial/interglacial variations in atmospheric carbon dioxide, Nature, 407, 859-869.
48. 15N of nitrate in the Southern Ocean: Consumption of nitrate in surface waters, Global Biogeochem. Cycles, 13(4), 1149-1166, doi:10.1029/1999GB900038.
49. Sigman, D. M., M. A. Altabet, R. Francois, D. C. McCorkle, and J.-F. Gaillard (1999b), The isotopic composition of diatom-bound nitrogen in Southern Ocean sediments, Paleoceanography, 14, 118-134, doi:10.1029/1998PA900018. (Pubitemid 29388515)
50. Sigman, D. M., S. L. Jaccard, and G. H. Haug (2004), Polar ocean stratification in a cold climate, Nature, 428, 59-63, doi:10.1038/nature02357. (Pubitemid 38332355)
51. Sigman, D. M., J. Granger, P. J. DiFiore, M. M. Lehmann, R. Ho, G. Cane, and A. van Geen (2005), Coupled nitrogen and oxygen isotope measurements of nitrate along the eastern North Pacific margin, Global Biogeochem. Cycles, 19, GB4022, doi:10.1029/2005GB002458. (Pubitemid 43280685)
52. 2O, Global Biogeochem. Cycles, 18, GB1001, doi:10.1029/2002GB002028.
53. Toggweiler, J. R., and S. Carson (1995), What are upwelling systems contributing to the ocean's carbon and nutrient budgets?, in Upwelling in the Ocean: Modern Processes and Ancient Records, edited by C. P. Summerhayes et al., pp. 337-360, John Wiley, New York.
54. Toggweiler, J. R., K. Dixon, and W. Broecker (1991), The Peru upwelling and the ventilation of the South Pacific thermocline, J. Geophys. Res., 96, 20,467-20,497, doi:10.1029/91JC02063.
55. Tsuchiya, M., R. Lukas, R. A. Fine, E. Firing, and E. Lindstrom (1989), Source waters of the Pacific Equatorial Undercurrent, Prog. Oceanogr., 23, 101-147, doi:10.1016/0079-6611(89)90012-8.
56. Wara, M. W., A. C. Ravelo, and M. L. Delaney (2005), Permanent El Niño-like conditions during the Pliocene warm period, Science, 309, 758-761, doi:10.1126/science. 1112596. (Pubitemid 40941876)
57. Wyrtki, K. (1965), Surface currents of the Eastern Equatorial Pacific Ocean, Bull. Inter-Am. Trop. Tuna Comm., 9, 271-304.