Natural isotopic composition of nitrogen in suspended particulate matter in the Bay of Bengal

Biogeosciences

Volumn 1, Issue 1, 2004, Pages 63-70

  Kumar, S ^a   Ramesh, R ^a   Bhosle, N B ^b   Sardesai, S ^b   Sheshshayee, M S ^c  

^a PHYSICAL RESEARCH LABORATORY   (India)

^b NATIONAL INSTITUTE OF OCEANOGRAPHY   (India)

^c UNIVERSITY OF AGRICULTURAL SCIENCES   (India)

Author keywords

[No Author keywords available]

Indexed keywords

ISOTOPIC COMPOSITION; NITROGEN; SUSPENDED PARTICULATE MATTER;

BAY OF BENGAL; INDIAN OCEAN; OCEANIC REGIONS; WORLD;

EID: 18244390701     PISSN: 17264170     EISSN: 17264189     Source Type: Journal    
DOI: 10.5194/bg-1-63-2004     Document Type: Article

References (36)

1. 15N in PON from warm core ring, Deep Sea Res., Part A, 32, 755-772, 1985.
2. Altabet, M. A.: Variations in nitrogen isotopic composition between sinking and suspended particles: Implications for nitrogen cycling and particle transformation in the open ocean, Deep Sea Res., Part A, 35, 535-554, 1988.
3. Altabet, M. A. and Francois, R.: The use of nitrogen isotopic ratio for reconstruction of past changes in the surface ocean nutrient utilization, Carbon Cycling in the Glacial Ocean: Constraints on the Ocean's Role in Global Change, edited by: Zahn, R., Kaminski, M. A., Labeyrie, L., and Pederson, T. F., Springer-Verlag, New York, 281-306, 1994.
4. Altabet, M. A.: Nitrogen and carbon isotopic tracers of the source and transformation of particles in the deep sea, Particle Flux in the Ocean, edited by: Ittekkot, V., Schafer, P., Honjo, S., and Depetris, P. J., John Wiley, New York, 155-184, 1996.
5. Bacon, M. P., Huh, C. A., Fleer, A. P., and Deuser, W. G.: Seasonality in the flux of natural radionuclides and plutonium in the deep Sargasso Sea, J. Mar. Res., 44, 185-201, 1985.
6. Cline, J. D. and Kaplan, I. R.: Isotopic fractionation of dissolved nitrate during denitrification in the eastern tropical North Pacific Ocean, Mar. Chem., 3, 271-299, 1975.
7. DeNiro, M. J. and Epstein, S.: Influence of diet on the distribution of nitrogen isotopes in animals, Geochimica et Cosmochimica Acta, 45, 341-351, 1981.
8. Dugdale, R. C. and Goering, J. J.: Uptake of new and regenerated forms of nitrogen in primary productivity, Limnol. Oceanogr., 12, 196-206, 1967.
9. 2 production, Global Biogeochemical Cycles, 5, 49-69, 1991.
10. Farrell, J. W., Pederson, T. F., Calvert, S. E., and Nielsen, B.: Glacial-interglacial changes in nutrient utilization in equatorial Pacific Ocean, Nature, 377, 514-517, 1995.
11. Ittekkot, V: Particle flux studies in the Indian Ocean, Eos, 72, 527-530, 1991.
12. Kumar, S., Ramesh, R., Sardesai, S., and Seshshayee, S.: High new production in the Bay of Bengal: possible causes and implications, Geophys. Res. Lett., 31, L18304, doi:10.1029/2004GL021005, 2004.
13. 15N of nitrate, surface suspended and deep sinking particulate nitrogen to seasonal nitrate depletion in the Southern Ocean, Global Biogeochemical Cycles, 17(3), 1081, doi:10.1029/2001GB001973, 2003.
14. Mariotti, A., Lancelot, C., and Billen, G.: Natural isotopic composition of nitrogen as a tracer of origin for suspended organic matter in the Scheldt estuary, Geochim. Cosmochim. Acta, 48, 549-555, 1984.
15. Minagawa, M. and Wada, E.: Nitrogen isotope ratios of red tide organisms in the East Chine Sea: A characterization of biological nitrogen fixation, Mar. chem., 19, 245-259, 1986.
16. sus) in surface waters of the Atlantic Ocean from 50° N to 50° S, Global Biogeochemical Cycles, 16, 4, 1059, doi:10.1029/2001GB001635, 2002.
17. 14N in marine environments, Rec. Oceanogr. Works Jpn. 9, 37-53, 1967.
18. Miyake, Y. and Wada, E.: The isotope effect on the nitrogen in biochemical, oxidation-reduction reactions, Rec. Oceanogr. Works Jpn. 11, 1-6, 1971.
19. Montoya, J. P. and McCarthy, J. J.: Isotopic fractionation during nitrate uptake by phytoplankton grown in continuous culture, J. Plankton Res., 17, 439-464, 1995.
20. Owens, N. J. P. and Rees, A. P.: Determination of nitrogen-15 at sub-microgram levels of nitrogen using automated continuousflow isotope ratio mass spectrometer, Analyst, 114, 1655-1657, 1989.
21. Prasanna Kumar, S., Muraleedharan, P. M., Prasad, T. G., Gauns, M., Ramaiah, N., De Souza, S. N., Sardesai, S., and Madhupratap, M.: Why is the Bay of Bengal less productive during summer monsoon compared to the Arabian Sea? Geophysical Research Letters, 29 (24), 2235, doi:10.1029/2002GL016013, 2002.
22. 15N versus nitrate utilization: Observations in Montery Bay, CA, Deep Sea Res., Part II, 45, 1603-1616, 1998.
23. 15N natural abundance in oceanic suspended particulate matter, Nature, 283, 752-754, 1980.
24. 15N natural abundance in the Pacific and its marginal seas, Deep Sea Research, 34, 807-827, 1981.
25. Schafer, P. and Ittekkot, V.: Isotopic biogeochemistry of nitrogen in the northern Indian Ocean, Mitt. Geol. -Palaont. Inst. Univ. Hamburg, 78, 67-93, 1995.
26. Shetye, S. R., Shenoi, S. S. C., Gouveia, A. D., Michael, G. S., Sundar, D., and Nampoothiri, G.: Wind- driven coastal upwelling along the western boundary of the Bay of Bengal during the southwest monsoon, Cont. Shelf Res., 11, 1397-1408, 1991.
27. Shetye, S. R., Gouveia, A. D., Shenoi, S. S. C., Sundar, D., Michael, G. S., and Nampoothiri, G.: The western boundary current of the seasonal subtropical gyre in the Bay of Bengal, J. Geophys. Res., 98, 945-954, 1993.
28. Strickland, J. D. H. and Parson, T. R.: A practical handbook of seawater analysis, Fisheries Research Board, Canada, 127-130, 1972.
29. Subramanian, V.: Sediment load of Indian Rivers, Current Science, 64, 928-930, 1993.
30. Sweeney, R. E., Liu, K. K., and Kaplan, I. R.: Oceanic nitrogen isotopes and their use in determining the source of sedimentary nitrogen, in: Stable isotopes in the earth sciences, edited by Robinson, B.W., DSIR 220 New Zealand dept. Scientific and industrial, Wellington, 9-26, 1978.
31. Unger, D., Ittekkot, V., Schafer, P., Tiemann, J., and Reschke, S.: Seasonality and interannual variability of particle fluxes to the deep Bay of Bengal: influence of riverine input and oceanographic processes, Deep Sea Res. II, 50, 897-923, 2003.
32. Vinaychandran, P. N. and Mathew, S.: Phytoplankton bloom in the Bay of Bengal during the northeast monsoon and its intensification by cyclones, Geophys. Res. Lett., 30 (11), 1572, doi:10.1029/2002GL016717, 2003.
33. 15N abundance in nitrogenous compounds in the sea, Proc. 1971 Fall Meet. Oceanogr. Soc. Japan, 227-231, 1971.
34. 15N in particulate organic matter in the North Pacific Ocean, Geochim. Cosmochim. Acta, 40, 249-251, 1976.
35. Wada, E. and Hattori, A.: Nitrogen isotope effects in the assimilation of inorganic nitrogenous compounds by marine diatoms, Geomicrobiol. J., 1, 85-101, 1978.
36. Wada, E. and Hattori, A.: Nitrogen in the sea: Forms, Abundances, and rate processes, CRC Press, Boca Raton, Fla, 208-212, 1991.