Nutrient exchange and ventilation of benthic gases across the continental shelf break

Journal of Geophysical Research: Oceans

Volumn 116, Issue 6, 2011, Pages

  Siedlecki, S A ^a   Archer, D E ^a   Mahadevan, A ^b  

^a UNIVERSITY OF CHICAGO   (United States)

^b BOSTON UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANOXIC SEDIMENTS; BOUNDARY LAYERS; OCEANOGRAPHY; PUMPS; SEAWATER; SURFACE WATERS; THREE DIMENSIONAL; WIND;

BENTHIC BOUNDARY LAYERS; BIOLOGICAL PRODUCTIVITY; BOTTOM BOUNDARY LAYER; COASTAL OCEAN; CONTINENTAL SHELVES; CROSS-SHELF EXCHANGE; DEEP OCEAN; DOWN-WELLING; EFFECT OF THE WIND; EUPHOTIC ZONE; LIGHT WATER; NUTRIENT EXCHANGE; OCEAN BASINS; OCEAN MODEL; OPEN OCEAN; SEA SURFACES; SHELF BREAK; SURFACE OCEAN; WATER COLUMNS; WIND DIRECTIONS; WIND FORCING;

NUTRIENTS;

BENTHIC BOUNDARY LAYER; BIOGEOCHEMISTRY; BIOLOGICAL PRODUCTION; COASTAL ZONE; CONTINENTAL SLOPE; DEEP SEA; DENSE WATER; DOWNWELLING; EUPHOTIC ZONE; ISOPYCNAL LAYER; NITROGEN; NUTRIENT AVAILABILITY; NUTRIENT DYNAMICS; OCEAN BASIN; OPEN OCEAN; SEA SURFACE; SEDIMENT TRANSPORT; SHELF BREAK; STRATIFICATION; VENTILATION; WATER COLUMN; WIND DIRECTION; WIND FORCING;

UNITED STATES;

EID: 79959821867     PISSN: None     EISSN: 21699291     Source Type: Journal    
DOI: 10.1029/2010JC006365     Document Type: Article

References (49)

1. Aikman, F., H. W. Ou, and R. W. Houghton (1988), Current variability across the New England continental shelf-break and slope, Cont. Shelf Res., 8, 625-651, doi:10.1016/0278-4343(88)90069-6.
2. Atkinson, L. P., P. G. O'Malley, J. A. Yoder, and G. A. Paffenhofer (1984), The effect of summertime shelf break upwelling on nutrient flux in southeastern United States continental shelf waters, J. Mar. Res., 42, 969-993, doi:10.1357/002224084788520756.
3. Biscaye, P. E., C. N. Flagg, and P. G. Falkowski (1994), The Shelf Edge Exchange Processes experiment (SEEP-II): An introduction to hypotheses, results and conclusions, Deep Sea Res. Part II, 41, 231-252, doi:10.1016/0967-0645(94) 90022-1.
4. Campos, E. J. D., D. Velhote, and I. C. A. da Silveira (2000), Shelf break upwelling driven by Brazil Current cyclonic meanders, Geophys. Res. Lett., 27, 751-754, doi:10.1029/1999GL010502.
5. Castelao, R. M., E. J. D. Campos, and J. L. Miller (2004), A modelling study of coastal upwelling driven by wind and meanders of the Brazil current, J. Coastal Res., 203, 662-671, doi:10.2112/1551-5036(2004) 20[662:AMSOCU]2.0.CO;2. (Pubitemid 39520997)
6. Chapman, D. C. (2000), Boundary layer control of buoyant coastal currents and the establishment of a shelfbreak front, J. Phys. Oceanogr., 30, 2941-2955, doi:10.1175/1520-0485(2001)031<2941:BLCOBC>2.0.CO;2. (Pubitemid 32106629)
7. Chapman, D. C., and S. J. Lentz (1994), Trapping of a coastal density front by the bottom boundary-layer, J. Phys. Oceanogr., 24, 1464-1479, doi:10.1175/1520-0485(1994)024<1464:TOACDF>2.0.CO;2.
8. 2 fluxes on the U.S. Middle Atlantic Bight, Deep Sea Res. Part II, 49, 4355-4367, doi:10.1016/S0967-0645(02)00122-4. (Pubitemid 35181322)
9. Elskens, M., W. Baeyens, and L. Goeyens (1997), Contribution of nitrate to the uptake of nitrogen by phytoplankton in an ocean margin environment, Hydrobiologia, 353, 139-152, doi:10.1023/A:1003058928157. (Pubitemid 27526322)
10. Flagg, C. N., M. Dunn, D.-P. Wang, H. T. Rossby, and R. L. Benway (2006), A study of the currents of the outer shelf and upper slope from a decade of shipboard ADCP observations in the Middle Atlantic Bight, J. Geophys. Res., 111, C06003, doi:10.1029/2005JC003116. (Pubitemid 44768113)
11. Fratantoni, P. S., and R. S. Pickart (2003), Variability of the shelf break jet in the Middle Atlantic Bight: Internally or externally forced?, J. Geophys. Res., 108(C5), 3166, doi:10.1029/2002JC001326.
12. Fratantoni, P. S., and R. S. Pickart (2007), The western North Atlantic shelfbreak current system in summer, J. Phys. Oceanogr., 37, 2509-2533, doi:10.1175/JPO3123.1. (Pubitemid 350148785)
13. Gawarkiewicz, G., and D. C. Chapman (1992), The role of stratification in the formation and maintenance of shelf-break fronts, J. Phys. Oceanogr., 22, 753-772, doi:10.1175/1520-0485(1992)022<0753:TROSIT>2.0.CO;2.
14. Greenspan, H. P. (1990), The Theory of Rotating Fluids, Breukelen, Brookline, Mass.
15. Hales, B., R. D. Vaillancourt, L. Prieto, J. Marra, R. Houghton, and D. Hebert (2009a), High-resolution surveys of the biogeochemistry of the New England shelfbreak front during Summer, 2002, J. Mar. Syst., 78, 426-441, doi:10.1016/j.jmarsys.2008.11.024.
16. Hales, B., D. Hebert, and J. Marra (2009b), Turbulent supply of nutrients to phytoplankton at the New England shelf break front, J. Geophys. Res., 114, C05010, doi:10.1029/2008JC005011.
17. Harrison, W. G., L. R. Harris, and B. D. Irwin (1996), The kinetics of nitrogen utilization in the oceanic mixed layer: Nitrate and ammonium interactions at nanomolar concentrations, Limnol. Oceanogr., 41, 16-32, doi:10.4319/lo.1996.41.1.0016.
18. Hill, A. E., B. M. Hickey, F. A. Shillington, P. T. Strub, K. H. Brink, E. D. Barton, and A. C. Thomas (1998), Eastern ocean boundaries, in The Sea, vol. 11, edited by A. R. Robinson and K. H. Brink, pp. 29-67, John Wiley, New York.
19. Houghton, R. W. (1997), Lagrangian flow at the foot of a shelfbreak front using a dye tracer injected into the bottom boundary layer, Geophys. Res. Lett., 24, 2035-2038, doi:10.1029/97GL02000.
20. Houghton, R. W., and M. Visbeck (1998), Upwelling and convergence in the Middle Atlantic Bight shelfbreak front, Geophys. Res. Lett., 25, 2765-2768, doi:10.1029/98GL02105. (Pubitemid 29120594)
21. Hovland, M., A. G. Judd, and R. A. Burke (1993), The global flux of methane from shallow submarine sediments, Chemosphere, 26, 559-578, doi:10.1016/0045-6535(93)90442-8. (Pubitemid 23087866)
22. Joyce, T. M., J. Dunworth-Baker, R. S. Pickart, D. Torres, and S. Waterman (2005), On the deep western boundary current south of Cape Cod, Deep Sea Res. Part II, 52, 615-625, doi:10.1016/j.dsr2.2004.12.013. (Pubitemid 40451730)
23. Lathuilière, C., V. Echevin, M. Lévy, and G. Madec (2010), On the role of the mesoscale circulation on an idealized coastal upwelling ecosystem, J. Geophys. Res., 115, C09018, doi:10.1029/2009JC005827.
24. Lentz, S. J. (2008), Observations and a model of the mean circulation over the Middle Atlantic Bight continental shelf, J. Phys. Oceanogr., 38, 1203-1221, doi:10.1175/2007JPO3768.1.
25. Linder, C. A., and G. Gawarkiewicz (1998), A climatology of the shelfbreak front in the Middle Atlantic Bight, J. Geophys. Res., 103, 18,405-18,423, doi:10.1029/98JC01438. (Pubitemid 29123066)
26. Linder, C. A., G. G. Gawarkiewicz, and R. S. Pickart (2004), Seasonal characteristics of bottom boundary layer detachment at the shelfbreak front in the Middle Atlantic Bight, J. Geophys. Res., 109, C03049, doi:10.1029/ 2003JC002032.
27. Loder, J. W., W. C. Boicourt, and J. H. Simpson (1998a), Western ocean boundary shelves: Coastal segment (W), in The Sea, vol. 11, edited by A. R. Robinson and K. H. Brink, pp. 3-27, John Wiley, New York.
28. Loder, J. W., B. Petrie, and G. Gawarkiewicz (1998b), The coastal ocean off northeastern North America: A large-scale view, in The Sea, vol. 11, edited by A. R. Robinson and K. H. Brink, pp. 105-133, John Wiley, New York.
29. Lozier, M. S., and G. Gawarkiewicz (2001), Cross-frontal exchange in the Middle Atlantic Bight as evidenced by surface drifters, J. Phys. Oceanogr., 31, 2498-2510, doi:10.1175/1520-0485(2001)031<2498:CFEITM>2.0.CO;2. (Pubitemid 32944093)
30. Mahadevan, A. (2006), Modeling vertical motion at ocean fronts: Are nonhydrostatic effects relevant at submesoscales?, Ocean Modell., 14, 222-240, doi:10.1016/j.ocemod.2006.05.005. (Pubitemid 44070681)
31. Mahadevan, A., and D. Archer (2000), Modeling the impact of fronts and mesoscale circulation on the nutrient supply and biogeochemistry of the upper ocean, J. Geophys. Res., 105, 1209-1225, doi:10.1029/ 1999JC900216.
32. Mahadevan, A., J. Oliger, and R. A. Street (1996a), A nonhydrostatic mesoscale ocean model. Part 1. Well-posedness and scaling, J. Phys. Oceanogr., 26, 1868-1880, doi:10.1175/1520-0485(1996)026<1868: ANMOMP>2.0.CO;2.
33. Mahadevan, A., J. Oliger, and R. A. Street (1996b), A nonhydrostatic mesoscale ocean model. Part 2. Numerical implementation, J. Phys. Oceanogr., 26, 1881-1900, doi:10.1175/1520-0485(1996)026<1881: ANMOMP>2.0.CO;2.
34. Mellor, G. L., and T. Yamada (1982), Development of a turbulence closuremodel for geophysical fluid problems, Rev. Geophys., 20, 851-875, doi:10.1029/RG020i004p00851. (Pubitemid 13489369)
35. Mizobata, K., J. Wang, and S. Saitoh (2006), Eddy-induced cross-slope exchange maintaining summer high productivity of the Bering Sea shelf break, J. Geophys. Res., 111, C10017, doi:10.1029/2005JC003335. (Pubitemid 44941040)
36. Newman, K. R., et al. (2008), Active methane venting observed at giant pockmarks along the US mid-Atlantic shelf break, Earth Planet. Sci. Lett., 267, 341-352, doi:10.1016/j.epsl.2007.11.053.
37. Nixon, S. W., et al. (1996), The fate of nitrogen and phosphorus at the land sea margin of the North Atlantic Ocean, Biogeochemistry, 35, 141-180, doi:10.1007/BF02179826.
38. Okkonen, S. R., T. J. Weingartner, S. L. Danielson, D. L. Musgrave, and G. M. Schmidt (2003), Satellite and hydrographic observations of eddyinduced shelf-slope exchange in the northwestern Gulf of Alaska, J. Geophys. Res., 108(C2), 3033, doi:10.1029/2002JC001342.
39. Ou, H. W., and D. Chen (2006), Wind-induced shear dispersion and genesis of the shelf-break front, Prog. Oceanogr., 70, 313-330, doi:10.1016/ j.pocean.2006.03.015. (Pubitemid 44301368)
40. Pelegrí, J. L., and G. T. Csanady (1991), Nutrient transport and mixing in the Gulf Stream, J. Geophys. Res., 96, 2577-2583, doi:10.1029/ 90JC02535.
41. Pickart, R. S. (2000), Bottom boundary layer structure and detachment in the shelfbreak jet of the Middle Atlantic Bight, J. Phys. Oceanogr., 30, 2668-2686, doi:10.1175/1520-0485(2001)031<2668:BBLSAD>2.0.CO;2. (Pubitemid 32106622)
42. Rasmussen, L. L., G. Gawarkiewicz, W. B. Owens, and M. S. Lozier (2005), Slope water, Gulf Stream, and seasonal influences on southern Mid-Atlantic Bight circulation during the fall-winter transition, J. Geophys. Res., 110, C02009, doi:10.1029/2004JC002311. (Pubitemid 40763117)
43. Reeburgh, W. S. (2007), Oceanic methane biogeochemistry, Chem. Rev., 107, 486-513, doi:10.1021/cr050362v. (Pubitemid 46381031)
44. Ryan, J. P., J. A. Yoder, J. A. Barth, and P. C. Cornillon (1999), Chlorophyll enhancement and mixing associated with meanders of the shelf break front in the Mid-Atlantic Bight, J. Geophys. Res., 104, 23,479-23,493, doi:10.1029/1999JC900174.
45. Shaw, P. T., L. J. Pietrafesa, C. N. Flagg, R. W. Houghton, and K. H. Su (1994), Low-frequency oscillations on the outer shelf in the southern Mid-Atlantic Bight, Deep Sea Res. Part II, 41, 253-271, doi:10.1016/ 0967-0645(94)90023-X.
46. Valentine, D. L., D. C. Blanton, W. S. Reeburgh, and M. Kastner (2001), Water column methane oxidation adjacent to an area of active hydrate dissociation, Eel River Basin, Geochim. Cosmochim. Acta, 65, 2633-2640, doi:10.1016/S0016-7037(01)00625-1. (Pubitemid 32784310)
47. Walsh, J. J., P. E. Biscaye, and G. T. Csanady (1988), The 1983-1984 Shelf Edge Exchange Processes (SEEP-I) experiment: Hypotheses and highlights, Cont. Shelf Res., 8, 435-456, doi:10.1016/0278-4343(88) 90063-5. (Pubitemid 19296917)
48. Whitney, M. M., and R. W. Garvine (2005), Wind influence on a coastal buoyant outflow, J. Geophys. Res., 110, C03014, doi:10.1029/ 2003JC002261.
49. Wollast, R. (1991), The coastal organic carbon cycle: Fluxes, sources, and sinks, in Ocean Margin Processes in Global Change, edited by R. F. C. Mantoura, J. M. Martin, and R. Wollast, pp. 365-381, John Wiley, New York.