The effect of millennial-scale changes in Arabian Sea denitrification on atmospheric CO2 (original) (raw)

References

1. Kennett, J. P., Cannariato, K. G., Hendy, I. L. & Behl, R. J. Carbon isotopic evidence for methane hydrate instability during Quaternary interstadials. Science 288, 128–133 (2000).
   Article ADS CAS Google Scholar
2. Altabet, M. A., Francois, R., Murray, D. W. & Prell, W. L. Climate-related variations in denitrification in the Arabian Sea from sediment 15N/14N ratios. Nature 373, 506–509 (1995).
   Article ADS CAS Google Scholar
3. Altabet, M. A., Murray, D. W. & Prell, W. L. Climatically linked oscillations in Arabian Sea denitrification over the past 1 m.y.: Implications for the marine N cycle. Paleoceanography 14, 732–743 (1999).
   Article ADS Google Scholar
4. Dansgaard, W. et al. A new Greenland deep ice core. Science 218, 1273–1277 (1982).
   Article ADS CAS Google Scholar
5. Indermühle, A., Monnin, E., Stauffer, B., Stocker, T. F. & Wahlen, M. Atmospheric CO2 concentration from 60 to 20 Kyr BP from the Taylor Dome ice core, Antarctica. Geophys. Res. Lett. 27, 735–738 (2000).
   Article ADS Google Scholar
6. Howell, E. A., Doney, S. C., Fine, R. A. & Olson, D. B. Geochemical estimates of denitrification in the Arabian Sea and the Bay of Bengal during WOCE. Geophys. Res. Lett. 24, 2549–2552 (1997).
   Article ADS CAS Google Scholar
7. Cline, J. D. & Kaplan, I. R. Isotopic fractionation of dissolved nitrate during denitrification in the Eastern Tropical North Pacific Ocean. Mar. Chem. 3, 271–299 (1975).
   Article CAS Google Scholar
8. Brandes, J. A., Devol, A. H., Yoshinari, T., Jayakumar, D. A. & Naqvi, S. W. A. 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 (1998).
   Article ADS CAS Google Scholar
9. Altabet, M. A. et al. The nitrogen isotope biogeochemistry of sinking particles from the margin of the Eastern North Pacific. Deep-Sea Res. 46, 655–679 (1999).
   Article CAS Google Scholar
10. Ganeshram, R. S., Pedersen, T. F., Calvert, S. E., McNeill, G. W. & Fontugne, M. R. Glacial-interglacial variability in denitrification in the world's oceans: Causes and consequences. Paleoceanography 15, 361–376 (2000).
    Article ADS Google Scholar
11. Anderson, D. M. Foraminifer Evidence of Monsoon Upwelling off Oman during the Later Quaternary. Thesis, Brown Univ. (1991).
    Google Scholar
12. Stuiver, M. & Grootes, P. M. GISP2 oxygen isotope ratios. Quat. Res. 53, 277–284 (2000).
    Article CAS Google Scholar
13. Grootes, P. M. & Stuiver, M. Oxygen 18/16 variability in Greenland snow and ice with 103 to 105-year time resolution. J. Geophys. Res. 102, 26455–26470 (1997).
    Article ADS CAS Google Scholar
14. Shackleton, N. J., Hall, M. A. & Vincent, E. Phase relationships between millennial-scale events 64,000–24,000 years ago. Paleoceanography 15, 565–569 (2000).
    Article ADS Google Scholar
15. Bond, G. et al. A pervasive millennial-scale cycle in North Atlantic Holocene and glacial climates. Science 278, 1257–1266 (1997).
    Article ADS CAS Google Scholar
16. Stuiver, M., Reimer, P. J. & Braziunas, T. F. High-precision radiocarbon age calibration for terrestrial and marine samples. Radiocarbon 40, 1127–1151 (1998).
    Article CAS Google Scholar
17. Warren, B. A. in Biogeochemistry of the Arabian Sea: Present Information and Gaps (ed. Lal, D.) 301–314 (Indian Academy of Sciences, Bangalore, India, 1994).
    Google Scholar
18. Olson, D. B., Hitchcock, G. L., Fine, R. A. & Warren, B. A. Maintenance of the low-oxygen layer in the central Arabian Sea. Deep-Sea Res. 40, 673–685 (1993).
    ADS CAS Google Scholar
19. Schulz, H., von Rad, U. & Erlenkeuser, H. Correlation between Arabian Sea and Greenland climate oscillations of the past 110,000 years. Nature 393, 54–57 (1998).
    Article ADS CAS Google Scholar
20. von Rad, U. et al. Multiple monsoon-controlled breakdown of oxygen-minimum conditions during the past 30,000 years documented in laminated sediments off Pakistan. Palaeogeogr. Palaeoclimatol. Palaeoecol. 152, 129–161 (1999).
    Article Google Scholar
21. Suthhof, A., Ittekkot, V. & Gaye-Haake, B. Millennial-scale oscillation of denitrification intensity in the Arabian Sea during the late Quaternary and its potential influence on atmospheric N2O and global climate. Glob. Biogeochem. Cycles 15, 637–650 (2001).
    Article ADS CAS Google Scholar
22. Higginson, M. J. Chlorin Pigment Stratigraphy as a New and Rapid Palaeoceanographic Proxy in the Quaternary. Thesis, Univ. Bristol (2000).
    Google Scholar
23. Honjo, S., Dymond, J., Prell, W. & Ittekkot, V. Monsoon-controlled export fluxes to the interior of the Arabian Sea: U.S. JGOFS 1994-1995 experiment. Deep-Sea Res 46, 1859–1902 (1999).
    ADS CAS Google Scholar
24. Clemens, S., Prell, W., Murray, D., Shimmield, G. & Weedon, G. Forcing mechanisms of the Indian Ocean monsoon. Nature 353, 720–725 (1991).
    Article ADS Google Scholar
25. Peterson, L. C., Haug, G. H., Hughen, K. A. & Röhl, U. Rapid changes in the hydrologic cycle of the tropical Atlantic during the last glacial. Science 290, 1947–1951 (2000).
    Article ADS CAS Google Scholar
26. Upstill-Goddard, R. C., Barnes, J. & Owens, N. J. P. Nitrous oxide and methane during the 1994 SW monsoon in the Arabian Sea/northwestern Indian Ocean. J. Geophys. Res. 104, 30067–30084 (1999).
    Article ADS CAS Google Scholar
27. Gruber, N. & Sarmiento, J. L. Global patterns of marine nitrogen fixation and denitrification. Glob. Biogeochem. Cycles 11, 235–266 (1997).
    Article ADS CAS Google Scholar
28. Broecker, W. S. Glacial to interglacial changes in ocean chemistry. Prog. Oceanogr. 11, 151–197 (1982).
    Article ADS Google Scholar
29. Sigman, D. M. & Boyle, E. A. Glacial/interglacial variations in atmospheric carbon dioxide. Nature 407, 859–869 (2000).
    Article ADS CAS Google Scholar
30. Krom, M. D., Brenner, S., Kress, N., Neori, A. & Gordon, L. I. Nutrient distributions during an annual cycle across a warm-core eddy from the E Mediterranean Sea. Deep-Sea Res. 40, 805–825 (1993).
    Article CAS Google Scholar

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