Table of Contents
International Journal of Oceanography
Volume 2010, Article ID 819029, 11 pages
http://dx.doi.org/10.1155/2010/819029
Research Article

Nitrogen Uptake in the Northeastern Arabian Sea during Winter Cooling

1Physical Research Laboratory, Geosciences Division, Navrangpura, Ahmedabad 380 009, India
2Marine and Water Resources Division, Space Applications Centre, Ahmedabad 380 015, India
3Department of Crop Physiology, University of Agricultural Sciences, Bangalore 560 065, India
4Chemical Oceanography Division, National Institute of Oceanography, Goa 403 004, India
5Faculty of Natural Resources Management, Lakehead University, Thunder Bay, ON, Canada P7B 5E1
6Department of Chemistry, Goa University, Goa 403 206, India

Received 1 October 2009; Accepted 5 April 2010

Academic Editor: Walker Smith

Copyright © 2010 S. Kumar et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. P. M. Vitousek, S. Hattenschwiler, L. Olander, and S. Allison, “Nitrogen and nature,” Ambio, vol. 31, no. 2, pp. 97–101, 2002. View at Google Scholar · View at Scopus
  2. J. J. MacIsaac and R. C. Dugdale, “Interactions of light and inorganic nitrogen in controlling nitrogen uptake in the sea,” Deep-Sea Research and Oceanographic Abstracts, vol. 19, no. 3, pp. 209–232, 1972. View at Google Scholar · View at Scopus
  3. R. C. Dugdale and J. J. Goering, “Uptake of new and regenerated forms of nitrogen in primary productivity,” Limnology & Oceanography, vol. 12, pp. 196–206, 1967. View at Google Scholar
  4. R. W. Eppley and B. J. Peterson, “Particulate organic matter flux and planktonic new production in the deep ocean,” Nature, vol. 282, no. 5740, pp. 677–680, 1979. View at Publisher · View at Google Scholar · View at Scopus
  5. P. G. Falkowski, E. A. Laws, R. T. Barber, and J. W. Murray, “Phytoplankton and their role in primary, new, and export production,” in Ocean Biogeochemistry, M. J. Fasham, Ed., pp. 99–121, Springer, Berlin, Germany, 2003. View at Google Scholar
  6. J. L. Sarmiento, J. Dunne, and R. A. Armstrong, “Do we understand the ocean's biological pump,” USJGOFS News, vol. 12, no. 4, pp. 1–5, 2005. View at Google Scholar
  7. P. H. Burkill, R. F. C. Mantoura, and N. J. P. Owens, “Biogeochemical cycling in the northwestern Indian Ocean: a brief overview,” Deep-Sea Research Part II, vol. 40, no. 3, pp. 643–649, 1993. View at Google Scholar · View at Scopus
  8. S. L. Smith, L. A. Codispoti, J. M. Morrison, and R. T. Barber, “The 1994–1996 Arabian Sea Expedition: an integrated, interdisciplinary investigation of the response of the northwestern Indian Ocean to monsoonal forcing,” Deep-Sea Research Part II, vol. 45, no. 10-11, pp. 1905–1915, 1998. View at Publisher · View at Google Scholar · View at Scopus
  9. R. A. Weller, M. F. Baumgartner, S. A. Josey, A. S. Fischer, and J. C. Kindle, “Atmospheric forcing in the Arabian Sea during 1994-1995: observations and comparisons with climatology and models,” Deep-Sea Research Part II, vol. 45, no. 10-11, pp. 1961–1999, 1998. View at Publisher · View at Google Scholar · View at Scopus
  10. R. A. Weller, A. S. Fischer, D. L. Rudnick et al., “Moored observations of upper-ocean response to the monsoons in the Arabian Sea during 1994-1995,” Deep-Sea Research Part II, vol. 49, no. 12, pp. 2195–2230, 2002. View at Publisher · View at Google Scholar · View at Scopus
  11. T. Dickey, J. Marra, D. E. Sigurdson et al., “Seasonal variability of bio-optical and physical properties in the Arabian Sea: October 1994-October 1995,” Deep-Sea Research Part II, vol. 45, no. 10-11, pp. 2001–2025, 1998. View at Publisher · View at Google Scholar · View at Scopus
  12. M. Madhupratap, S. Prasanna Kumar, P. M. A. Bhattathiri et al., “Mechanism of the biological response to winter cooling in the northeastern Arabian Sea,” Nature, vol. 384, no. 6609, pp. 549–552, 1996. View at Publisher · View at Google Scholar · View at Scopus
  13. S. Prasanna Kumar, N. Ramaiah, M. Gauns et al., “Physical forcing of biological productivity in the Northern Arabian Sea during the Northeast Monsoon,” Deep-Sea Research Part II, vol. 48, no. 6-7, pp. 1115–1126, 2001. View at Publisher · View at Google Scholar · View at Scopus
  14. J. M. Morrison, L. A. Codispoti, S. Gaurin, B. Jones, V. Manghnani, and Z. Zheng, “Seasonal variation of hydrographic and nutrient fields during the US JGOFS Arabian Sea Process Study,” Deep-Sea Research Part II, vol. 45, no. 10-11, pp. 2053–2101, 1998. View at Publisher · View at Google Scholar · View at Scopus
  15. R. T. Barber, J. Marra, R. C. Bidigare et al., “Primary productivity and its regulation in the Arabian Sea during 1995,” Deep-Sea Research Part II, vol. 48, no. 6-7, pp. 1127–1172, 2001. View at Publisher · View at Google Scholar · View at Scopus
  16. S. R. Shetye, A. D. Gouveia, and S. S. C. Shenoi, “Hydrography and circulation off the west coast of India during Southwest Monsoon 1987,” Journal of Marine Research, vol. 48, pp. 359–378, 1990. View at Google Scholar
  17. P. M. A. Bhattathiri, A. Pant, S. Sawant, M. Gauns, S. G. P. Matondkar, and R. Mohanraju, “Phytoplankton production and chlorophyll distribution in the eastern and central Arabian Sea in 1994-1995,” Current Science, vol. 71, no. 11, pp. 857–862, 1996. View at Google Scholar · View at Scopus
  18. N. Ramaiah, S. Raghukumar, and M. Gauns, “Bacterial abundance and production in the central and eastern Arabian Sea,” Current Science, vol. 71, no. 11, pp. 878–882, 1996. View at Google Scholar · View at Scopus
  19. J. J. McCarthy, C. Garside, and J. L. Nevins, “Nitrogen dynamics during the Arabian Sea Northeast Monsoon,” Deep-Sea Research Part II, vol. 46, no. 8-9, pp. 1623–1664, 1999. View at Publisher · View at Google Scholar · View at Scopus
  20. L. J. Watts and N. J. P. Owens, “Nitrogen assimilation and the f-ratio in the northwestern Indian Ocean during an intermonsoon period,” Deep-Sea Research Part II, vol. 46, no. 3-4, pp. 725–743, 1999. View at Publisher · View at Google Scholar · View at Scopus
  21. R. N. Sambrotto, “Nitrogen production in the northern Arabian Sea during the Spring Intermonsoon and Southwest Monsoon seasons,” Deep-Sea Research Part II, vol. 48, no. 6-7, pp. 1173–1198, 2001. View at Publisher · View at Google Scholar · View at Scopus
  22. R. C. Dugdale and F. P. Wilkerson, “The use of 15N to measure nitrogen uptake in eutrophic oceans; experimental considerations,” Limnology & Oceanography, vol. 31, no. 4, pp. 673–689, 1986. View at Google Scholar · View at Scopus
  23. R. C. Dugdale, F. P. Wilkerson, R. T. Barber, and F. P. Chavez, “Estimating new production in the equatorial Pacific Ocean at 150W,” Journal Geophysical Research, vol. 97, pp. 681–686, 1992. View at Google Scholar
  24. E. Laws, “Isotope dilution modeled and the mystery of the vanishing 15N,” Limnology & Oceanography, vol. 29, pp. 379–386, 1984. View at Google Scholar
  25. N. A. Welschmeyer, “Fluorometric analysis of chlorophyll a in the presence of chlorophyll b and pheopigments,” Limnology & Oceanography, vol. 39, no. 8, pp. 1985–1992, 1994. View at Google Scholar · View at Scopus
  26. C. de Boyer Montégut, G. Madec, A. S. Fischer, A. Lazar, and D. Iudicone, “Mixed layer depth over the global ocean: an examination of profile data and a profile-based climatology,” Journal of Geophysical Research C, vol. 109, no. 12, pp. 1–20, 2004. View at Publisher · View at Google Scholar · View at Scopus
  27. R. M. Dwivedi, M. Raman, K. N. Babu, S. K. Singh, N. K. Vyas, and S. G. P. Matondkar, “Formation of algal bloom in the northern Arabian Sea deep waters during January–March: a study using pooled in situ and satellite data,” International Journal of Remote Sensing, vol. 29, no. 15, pp. 4537–4551, 2008. View at Publisher · View at Google Scholar · View at Scopus
  28. J. J. McCarthy and R. W. Eppley, “A comparison of chemical isotopic and enzymatic methods for measuring nitrogen assimilation of marine phytoplankton,” Limnology & Oceanography, vol. 17, pp. 371–382, 1972. View at Google Scholar
  29. P. M. Glibert, D. C. Biggs, and J. J. McCarthy, “Utilization of ammonium and nitrate during austral summer in the Scotia Sea,” Deep Sea Research Part A, vol. 29, no. 7, pp. 837–850, 1982. View at Google Scholar · View at Scopus
  30. A. P. Rees, N. J. P. Owens, M. R. Heath, D. H. Plummer, and R. S. Bellerby, “Seasonal nitrogen assimilation and carbon fixation in a fjordic sea loch,” Journal of Plankton Research, vol. 17, no. 6, pp. 1307–1324, 1995. View at Google Scholar · View at Scopus
  31. J. J. McCarthy and E. J. Carpenter, “Nitrogen cycling in near surface waters of the open ocean,” in Nitrogen in the Marine Environment, E. J. Carpenter and D. G. Capone, Eds., pp. 487–512, Academic Press, New York, NY, USA, 1983. View at Google Scholar
  32. Q. Dortch, “The interaction between ammonium and nitrate uptake in phytoplankton,” Marine Ecology Progress Series, vol. 61, pp. 183–201, 1990. View at Google Scholar
  33. W. G. Harrison, T. Platt, and M. R. Lewis, “f-ratio and its relationship to ambient nitrate concentration in coastal waters,” Journal of Plankton Research, vol. 9, pp. 235–248, 1987. View at Google Scholar
  34. M. R. Landry, R. T. Barber, R. R. Bidigare et al., “Iron and grazing constraints on primary production in the central equatorial Pacific: an EqPac synthesis,” Limnology & Oceanography, vol. 42, no. 3, pp. 405–418, 1997. View at Google Scholar · View at Scopus
  35. C. I. Measures and S. Vink, “Seasonal variations in the distribution of Fe and Al in the surface waters of the Arabian Sea,” Deep-Sea Research Part II, vol. 46, no. 8-9, pp. 1597–1622, 1999. View at Publisher · View at Google Scholar · View at Scopus
  36. J. D. Wiggert, R. G. Murtugudde, and C. R. McClain, “Processes controlling interannual variations in wintertime (Northeast Monsoon) primary productivity in the central Arabian Sea,” Deep-Sea Research Part II, vol. 49, no. 12, pp. 2319–2343, 2002. View at Publisher · View at Google Scholar · View at Scopus
  37. M. R. Landry, S. L. Brown, L. Campbell, J. Constantinou, and H. Liu, “Spatial patterns in phytoplankton growth and microzooplankton grazing in the Arabian Sea during monsoon forcing,” Deep-Sea Research Part II, vol. 45, no. 10-11, pp. 2353–2368, 1998. View at Publisher · View at Google Scholar · View at Scopus
  38. J. D. Wiggert, B. H. Jones, T. D. Dickey et al., “The Northeast Monsoon's impact on mixing, phytoplankton biomass and nutrient cycling in the Arabian Sea,” Deep-Sea Research Part II, vol. 47, no. 7-8, pp. 1353–1385, 2000. View at Publisher · View at Google Scholar · View at Scopus
  39. T. Platt, S. Sathyendranath, O. Ulloa, W. G. Harrison, N. Hoepffner, and J. Goes, “Nutrient control of phytoplankton photosynthesis in the Western North Atlantic,” Nature, vol. 356, no. 6366, pp. 229–231, 1992. View at Google Scholar · View at Scopus
  40. S. Hastenrath and P. Lamb, Climatic Atlas of the Indian Ocean—Part I: Surface Climate and Atmospheric Circulation, University of Wisconsin Press, Madison, Wis, USA, 1979.
  41. K. Banse and D. C. English, “Revision of satellite-based phytoplankton pigment data from the Arabian Sea during the northeast monsoon,” Journal of Marine Research, vol. 2, pp. 83–103, 1993. View at Google Scholar
  42. R. N. Sambrotto, H. J. Niebauer, J. J. Goering, and R. L. Iverson, “Relationships among vertical mixing, nitrate uptake, and phytoplankton growth during the spring bloom in the southeast Bering Sea middle shelf,” Continental Shelf Research, vol. 5, no. 1-2, pp. 161–198, 1986. View at Google Scholar · View at Scopus