Ocean circulation promotes methane release from gas hydrate outcrops at the NEPTUNE Canada Barkley Canyon node

Geophysical Research Letters

Volumn 39, Issue 16, 2012, Pages

  Thomsen, Laurenz ^a   Barnes, Christopher ^b   Best, Mairi ^b   Chapman, Ross ^b   Pirenne, Benot ^b   Thomson, Richard ^c   Vogt, Joachim ^a  

^a JACOBS UNIVERSITY BREMEN   (Germany)

^b UNIVERSITY OF VICTORIA   (Canada)

^c INSTITUTE OF OCEAN SCIENCES   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATE CHANGE; COMPUTER INTEGRATED MANUFACTURING; FLUID DYNAMICS; GASES; HYDRATION; METHANE; OCEAN CURRENTS; SEDIMENTOLOGY; SEDIMENTS; SEEPAGE;

BENTHIC COMMUNITIES; BOTTOM CURRENT; BRITISH COLUMBIA; CONTINENTAL MARGIN; CONTROLLED EXPERIMENT; DISSOLUTION RATES; EXPERIMENTAL STUDIES; HYDRATE STABILITIES; HYDRODYNAMIC BOUNDARY CONDITIONS; INSTRUMENT PLATFORMS; MOBILE INTERNET; NEPTUNE; NON DESTRUCTIVE; OCEAN CIRCULATION; OFFSHORE VANCOUVER ISLANDS; ORDERS OF MAGNITUDE; SEA FLOOR; SEDIMENT SURFACE; SHELF WAVES; SUBMARINE CANYON; WATER DEPTH; WEATHER PATTERNS;

GAS HYDRATES;

BENTHOS; BOTTOM CURRENT; BURIAL (GEOLOGY); CANYON; CLIMATE CHANGE; COMMUNITY STRUCTURE; CONTINENTAL MARGIN; DISSOLUTION; EXPERIMENTAL STUDY; GAS HYDRATE; HYDRODYNAMICS; INTERNET; METHANE; OBSERVATORY; OCEANIC CIRCULATION; OUTCROP; REAL TIME; ROBOTICS; SEAFLOOR; SEEPAGE; SEMIDIURNAL TIDE; SHELF WAVE; SUBMARINE CANYON; TIME SERIES ANALYSIS; WATER DEPTH;

BARKLEY SOUND; BRITISH COLUMBIA; CANADA; VANCOUVER ISLAND;

EID: 84865517056     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2012GL052462     Document Type: Article

References (31)

1. Barnes, C. R., M. Best, F. R. Johnson, L. Pautet, and B. Pirenne (2011), Understanding Earth/ocean processes using real-time data from NEPTUNE Canada's widely distributed sensor networks, north-east Pacific, Geosci. Can., 38(1), 21-30.
2. Bigalke, N., G. Rehder, and G. Gust (2009), Methane hydrate dissolution rates in undersaturated seawater under controlled hydrodynamic forcing, Mar. Chem., 115, 226-234, doi:10.1016/j.marchem.2009.09.002.
3. Boetius, A., and E. Suess (2004), Hydrate Ridge: A natural laboratory for the study of microbial life fueled by methane from near-surface gas hydrates, Chem. Geol., 205, 291-310, doi:10.1016/j.chemgeo.2003.12.034. (Pubitemid 38549687)
4. Chapman, N. R., J. Pohlman, R. Coffin, J. Chanton, and L. Lapham (2004), Thermogenic gas hydrates in the northern Cascadia margin, Eos Trans. AGU, 85(38), 361, doi:10.1029/2004EO380001.
5. de Stigter, H. C, W. Boer, P. de Jesus Mendes, C. Jesus, L. Thomsen, G. D. van den Bergh, and T. van Weering (2007), Recent sediment transport and deposition in the Nazaré Canyon, Portuguese continental margin, Mar. Geol., 246, 144-164. (Pubitemid 350216128)
6. Egorov, E. V., K. Crane, P. R. Vogt, N. Rozhkov, and P. P. Shirshov (1999), Gas hydrates that outcrop on the seafloor: Stability models, Geo Mar. Lett, 19, 68-75, doi:10.1007/s003670050094. (Pubitemid 30044964)
7. Harris, P. T., and T. Whiteway (2011), Global distribution of large submarine canyons: geomorphic differences between active and passive continental margins, Mar. Geol., 285, 69-86, doi:10.1016/j.margeo. 2011.05.008.
8. Hester, K. C, and P. G. Brewer (2009), Clathrate hydrates in nature, Annu. Rev. Mar. Sci., 1, 303-327, doi:10.1146/annurev.marine.010908.163824.
9. Hester, K. C, E. T. Peltzer, P. M. Walz, R. M. Dunk, E. D. Sloan, and P. G. Brewer (2009), A natural hydrate dissolution experiment on complex multi-component hydrates on the sea floor, Geochim. Cosmochim. Acta, 73, 6747-6756, doi:10.1016/j.gca.2009.08.007.
10. Hu, L., S. A. Yvon-Lewis, J. D. Kessler, and I. R. MacDonald (2012), Methane fluxes to the atmosphere from deepwater hydrocarbon seeps in the northern Gulf of Mexico, J. Geophys. Res., 117, C01009, doi:10.1029/ 2011JC007208.
11. Johns, M. J., J. A. Trotter, C. R. Barnes, and Y. R. Narayan (2012), Biostratigraphic, strontium isotopic, and geologic constraints on the landward movement and fragmentation of terranes within the Tofino Basin, British Columbia, Can. J. Earth Sci., 49, 819-856, doi:10.1139/e2012-032.
12. Jordi, A., and D. P. Wang (2008), Near-inertial motions in and around the Palamós submarine canyon (NW Mediterranean) generated by a severe storm, Cont. Shelf Res., 28, 2523-2534, doi:10.1016/j.csr.2008.07.008.
13. Kleinberg, R., and P. Brewer (2001), Probing gas hydrate deposits-Exploiting this immense unconventional energy resource presents great challenges,Am. Sci., 89, 244-251, doi:10.1511/2001.22.733. (Pubitemid 32449649)
14. Kunze, E., L. K. Rosenfeld, S. Glenn, M. Carter, and C. Gregg (2002), Internal waves in Monterey Submarine Canyon, J. Phys. Oceanogr., 32, 1890-1913, doi:10.1175/1520-0485(2002)0322.0. CO;2. (Pubitemid 34811255)
15. Lapham, L. L., J. P. Chanton, N. R. Chapman, and C. S. Martens (2010), Methane under-saturated fluids in deep-sea sediments: Implications for gas hydrate stability and rates of dissolution, Earth Planet. Sci. Lett, 298(3-4), 275-285, doi:10.1016/j.epsl.2010.07.016.
16. Linke, P., E. Suess, M. Torres, V. Martens, W. Rugh, W. Ziebis, and L. D. Kulm (1994), In situ measurement of fluid flow from cold seeps at active continental margins, Deep Sea Res., Part I, 41(4), 721-739, doi:10.1016/0967- 0637(94)90051-5. (Pubitemid 24427463)
17. Lu, H., Y. T. Seo, J. W. Lee, I. Moudrakovski, J. A. Ripmeester, N. R. Chapman, R. B. Coffin, G. Gardner, and J. Pohlman (2007), Complex gas hydrate from the Cascadia margin, Nature, 445, 303-306, doi:10.1038/nature05463. (Pubitemid 46122815)
18. MacDonald, I. R., W. Sager, and M. Peccini (1994), Gas hydrate and che-mosynthetic biota in mounded bathymetry at mid-slope hydrocarbon seeps: Northern Gulf of Mexico, Marine Geology, 198(1-2), 133-158.
19. Rehder, G., S. H. Kirby, W. B. Durham, L. A. Stern, E. T. Peltzer, J. Pinkston, and P. G. Brewer (2004), Dissolution rates of pure methane hydrate and carbon-dioxide hydrate in undersaturated seawater at 1000-m depth, Geochim. Cosmochim. Acta, 68, 285-292, doi:10.1016/j.gca. 2003.07.001. (Pubitemid 38135637)
20. Rehder, G., I. Leifer, P. G. Brewer, G. Friederich, and E. T. Peltzer (2009), Controls on methane bubble dissolution inside and outside the hydrate stability field from open ocean field experiments and numerical modeling, Mar. Chem., 114, 19-30, doi:10.1016/j.marchem.2009.03.004.
21. Salathé, E. P. (2006), Influences of a shift in North Pacific storm tracks on western North American precipitation under global warming, Geophys. Res. Lett., 33, L19820, doi:10.1029/2006GL026882. (Pubitemid 46535107)
22. Sayles, F. L., and W. H. Dickinson (1991), The seep meter: A benthic chamber for the sampling and analysis of low velocity hydrothermal vents, Deep Sea Res., Part A, 38(1), 12-41.
23. Schneider, N., and B. Cornuelle (2005), The forcing of the Pacific Decadal Oscillation, J. Clim., 18, 4355-4373, doi:10.1175/JCLI3527.1. (Pubitemid 41805476)
24. Suess, E. (2010), Marine cold seeps, in Handbook of Hydrocarbon and Lipid Microbiology, edited by K. N. Timmis, pp. 187-203, Springer, Berlin.
25. Thomson, R. E., and M. V. Krassovski (2010), Poleward reach of the California Undercurrent extension, J. Geophys. Res., 115, C09027, doi:10.1029/2010JC006280.
26. Thomson, R. E., P. H. LeBlond, and A. B. Rabinovich (1998), Satellite-tracked drifter measurement of inertial and semidiurnal currents in the northeast Pacific, J. Geophys. Res., 103(C1), 1039-1052, doi:10.1029/97JC02374.
27. Thomson, R. E., S. F. Mihály, A. B. Rabinovic, R. E. McDuff, S. R. Veirs, and F. R. Stahr (2003), Constrained circulation at Endeavour ridge facilitates colonization by vent larvae, Nature, 424, 545-549, doi:10.1038/nature01824. (Pubitemid 36975774)
28. Tryon, M. D., K. M. Brown, and M. E. Torres (2002), Fluid and chemical flux in and out of sediments hosting methane hydrate deposits on Hydrate Ridge, OR, II: Hydrological processes, Earth Planet. Sci. Lett., 201, 541-557, doi:10.1016/S0012-821X(02)00732-X.
29. Wallmann, K. (2001), The geological water cycle and the evolution of marine d180 values, Geochim. Cosmochim. Acta, 65, 2469-2485, doi:10.1016/S0016-7037(01)00603-2. (Pubitemid 32763694)
30. Xu, W., R. P. Lowell, and E. T. Peltzer (2001), Effect of seafloor temperature and pressure variations on methane flux from a gas hydrate layer: Comparison between current and late Paleocene climate conditions, J. Geophys. Res., 106, 26,413-26,423, doi:10.1029/2001JB000420.
31. Zhang, X., K. C. Hester, W. Ussler, P. M. Walz, E. T. Peltzer, and P. G. Brewer (2011), In situ Raman-based measurements of high dissolved methane concentrations in hydrate-rich ocean sediments, Geophys. Res. Lett., 38, L08605, doi:10.1029/2011GL047141.