Nitrate-nitrogen isotopic patterns in surface waters of the western and central equatorial Pacific

Journal of Oceanography

Volumn 62, Issue 4, 2006, Pages 511-525

  Yoshikawa, Chisato ^a,b   Yamanaka, Yasuhiro ^a,b   Nakatsuka, Takeshi ^a  

^a HOKKAIDO UNIVERSITY   (Japan)

^b JAPAN AGENCY FOR MARINE EARTH SCIENCE AND TECHNOLOGY   (Japan)

Author keywords

Equatorial Pacific; Nitrogen isotopes; Numerical model; Nutrient budget

Indexed keywords

NITRATE; NITROGEN CYCLE; NITROGEN ISOTOPE; NUTRIENT BUDGET;

PACIFIC OCEAN; PACIFIC OCEAN (EQUATORIAL);

EID: 33746033320     PISSN: 09168370     EISSN: None     Source Type: Journal    
DOI: 10.1007/s10872-006-0072-4     Document Type: Article

References (37)

1. - utilization in the equatorial Pacific. Limnol. Oceanogr., 46, 368-380.
2. Altabet, M. A. and L. F. Small (1990): Nitrogen isotopic ratios in fecal pellets produced by marine zooplankton. Geochim. Cosmochim. Acta, 54, 155-163.
3. Altabet, M. A., W. G. Deuser, S. Honjo and S. Stienen (1991): Seasonal and depth-related changes in the source of sinking particles in the N. Atlantic. Nature, 354, 136-139.
4. Altabet, M. A., C. Pilskaln, R. Thunell, C. Pride, D. Sigman, F. Chavez and R. Francois (1999): The nitrogen isotope biogeochemistry of sinking particles from the margin of the eastern North Pacific. Deep-Sea Res., Part I, 46, 655-679.
5. Ando, K. and M. McPhaden (1997): Variability of surface layer hydrography in the tropical Pacific Ocean. J. Geophys. Res., 102 (C10), doi:10.1029/97JC01443.
6. Aono, T. and M. Yamada (2002): The annual variations of the PON export flux in the equatorial Pacific. 2002 Japan Earth and Planetary Science Joint Meeting, Yoyogi, Japan, 27-31 May.
7. Borgne, R. L., R. T. Barber, T. Delcroix, H. Y. Inoue, D. J. Mackey and M. Rodier (2002): Pacific waTm pool and divergence: temporal and zonal variations on the equator and their effects on the biological pump. Deep-Sea Res., Part II, 49, 2471-2512.
8. Capone, D. G., J. P. Zehr, H. W. Paerl, B. Bergman and E. J. Carpenter (1997): Trichodesmium, a globally significant marine cyanobacterium. Sience, 276, 1221-1229.
9. Casciotti, K. L., D. M. Sigman and B. B. Ward (2003): Linking diversity and stable isotope fractionation in ammoniumoxidizing bacteria. Geochem. J., 20, 335-353.
10. Checkley, D. M. J. and C. A. Miller (1989): Nitrogen isotope fractionation by oceanic zooplankton. Deep-Sea Res., 36, 1449-1456.
11. Fine, R. A., R. Lukas, F. M. Bingham, M. J. Warner and R. H. Gammon (1994): The western equatorial Pacific: A water mass crossroads. J. Geophys. Res., 99, 25063-25080.
12. Fry, B. (1991): Stable isotope diagrams of freshwater food webs. Ecology, 72, 2293-2297.
13. 15N evolution: First palaeoceanographic applications in a coastal upwelling system. J. Mar. Res., 58, 609-630.
14. Giraud, X., P. Bertrand, V. Garçon and I. Dadou (2003): Interpretation of the nitrogen isotopic signal variations in the Mauritanian upwelling with a 2D physical-biogeochemical model. Global Biogeochem. Cycles, 17, 2801-2819.
15. Hénin, C., Y. Penhoat and M. Ioualaen (1998): Observations of sea surface salinity in the western Pacific fresh pool: Largescale changes in 1992-1995. J. Geophys. Res., 103, 7523-7536.
16. Kawahata, H., A. Suzuki and H. Ohta (2000): Export fluxes in the Western Pacific Warm Pool. Deep-Sea Res., Part I, 47, 2061-2091.
17. Kawano, T., K. Matsumoto, I. Asanuma, H. Okano and S. Ozawa (1999): Primary Productivity in the western equatorial Pacific. Fall Meet. Oceanogr. Soc. Japan, Hokkaido, Japan.
18. Liu, K-K., M-J. Su, C-R. Hsueh and G-C. Gong (1996): The nitrogen isotopic composition of nitrate in the Kuroshio water northeast of Taiwan: Evidence for nitrogen fixation as a source of isotopically light nitrate. Mar. Chem., 54, 273-292.
19. Mackey, D. J., J. Parslow, H. W. Higgins, F. B. Griffiths and J. E. O'Sullivan (1995): Plankton productivity and biomass in the western equatorial Pacific: Biological and physical controls. Deep-Sea Res., Part II., 42, 499-533.
20. Mariotti, A. (1984): Natural isotopic composition of nitrogen as a tracer of origin for suspended organic matter in the Scheldt estuary. Geochim. Cosmochim. Acta, 48, 549-555.
21. Martin, J. H., G. A. Knauer, D. M. Karl and W. W. Broenkow (1987): VERTEX: Carbon cycling in the northeast Pacific. Deep-Sea Res., 34, 267-285.
22. McCarthy, J. J., C. Garside, J. L. Nevins and R. T. Barber (1995): New production along 140°W in the equatorial Pacific during and following the 1992 El Niño event. Deep-Sea Res., 43, 1065-1093.
23. Meinen, C. S., M. J. McPhaden and G. C. Johnson (2001): Vertical velocities and transports in the Equatorial Pacific during 1993-99. J. Phys. Oceanogr., 31, 3230-3248.
24. Minagawa, M. and E. Wada (1986): Nitrogen isotope ratio of red tide organisms in the East China Sea: A characterization of biological nitrogen fixation. Mar. Chem., 19, 245-259.
25. Miyake, Y. and E. Wada (1971): The isotope effect on the nitrogen in biochemical, oxidation - Reduction reactions. Records of Oceanographic Works in Japan, 11, 1-6.
26. Montoya, J. P. and J. J. McCarthy (1995): Isotopic fractionation during nitrate uptake by phytoplankton grown in continuous culture. J. Plankton Res., 17, 439-464.
27. Nakatsuka, T., N. Handa, E. Wada and C. S. Wong (1992): The dynamic changes of stable isotopic ratios of carbon and nitrogen in suspended and sedimented particulate organic matter during a phytoplankton bloom. J. Mar. Res., 50, 267-296.
28. Oberhuber, J. M. (1988): An atlas based on the 'Coads' data set: The budgets of heat, buoyancy and turbulent kinetic energy at the surface of global ocean. REPORT No. 15, Max-Plank-Institut fudie;r Meteorologie, March 1988.
29. Pacanowski, R. C. and S. G. H. Philander (1981): Parameterization of vertical mixing in numerical models of tropical oceans. J. Phys. Oceanogr., 11, 1443-1451.
30. Paerl, H. W. and M. L. Fogel (1994): Isotopic characterization of atmospheric nitrogen inputs as sources of enhanced primary production in coastal Atlantic Ocean waters. Mar. Biol., 119, 635-645.
31. Peña, M. A., R. L. Marlon and J. J. Cullen (1994): New production in the warm waters of the tropical Pacific Ocean. J. Geophys. Res., 99, 14255-14268.
32. 15N natural abundance in the Pacific and its marginal seas. Deep-Sea Res., Part I, 34, 807-827. Deep-Sea Res. Part I
33. 15N of nitrate in the Southern Ocean: Consumption of nitrate in surface waters. Global Biogeochem. Cycles, 13, 1149-1166.
34. Sutka, R. L., N. E. Ostrom, P. H. Ostrom and M. S. Phanikumar (2004): Stable nitrogen isotope dynamics of dissolved nitrate in a transect from the north Pacific subtropical gyre to the eastern tropical north Pacific. Geochim. Cosmochim. Acta, 68, 517-527.
35. Wong, G. T. F., S.-W. Chung, F.-K. Shiah, C.-C. Chen, L.-S. Wen and K.-K. Liu (2002): Nitrate anomaly in the upper nutricline in the northern South China Sea-Evidence for nitrogen fixation. Geophys. Res. Lett., 29, doi:10.1029/2002GL015796.
36. Wyrtki, K. and B. Kilonsky (1984): Mean water and current structure during the Hawaii-to-Tahiti shuttle experiment. J. Phys. Oceanogr., 14, 242-254.
37. Yoshikawa, C., T. Nakatsuka and H. Kawahata (2005): Transition of low-salinity water in the Western Pacific Warm Pool recorded in the nitrogen isotopic ratios of settling particles. Geophys. Res. Lett., 32, doi: 10.1029/2005GL023103.