The importance of the permanent thermocline to the cold water coral carbonate mound distribution in the NE Atlantic

Earth and Planetary Science Letters

Volumn 296, Issue 3-4, 2010, Pages 395-402

  White, Martin ^a   Dorschel, Boris ^b  

^a NATIONAL UNIVERSITY OF IRELAND   (Ireland)

^b UNIVERSITY COLLEGE CORK   (Ireland)

Author keywords

Benthic dynamics; Carbonate mounds; Permanent thermocline

Indexed keywords

BAROCLINIC; BENTHIC DYNAMICS; COLD-WATER CORALS; CONTINENTAL SLOPE; DENSITY GRADIENTS; DEPTH RANGE; DYNAMIC CONDITION; INTERNAL WAVES; MIXED LAYER; ORGANIC MATTER; PERIODIC MOTION; RESIDUAL CURRENT; SEABED CURRENTS; SLOPE SEDIMENT; THERMOCLINE DEPTH; TIDAL CURRENTS; TIME-SCALES; WATER DEPTH;

CARBONATION; OCEAN CURRENTS; SEDIMENT TRANSPORT; SEDIMENTOLOGY; TIDAL POWER;

STREAM FLOW;

CARBONATE PLATFORM; COLD WATER; CONTINENTAL SLOPE; MIXED LAYER; SEAFLOOR; SEDIMENT TRANSPORT; THERMOCLINE;

ATLANTIC OCEAN; ATLANTIC OCEAN (NORTHEAST);

ANTHOZOA;

EID: 77954658261     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2010.05.025     Document Type: Article

References (45)

1. Baines P.G. The generation of internal tides over steep continental slopes. Philos. Trans. R. Soc. Lond. 1974, A277:27-58.
2. Cacchione D.A., Pratson L.F., Ogston A.S. The shaping of continental slopes by internal tides. Science 2002, 296:724-727.
3. de Haas H., Dorschel B., Fink H., Joseph N., Margreth S., Pirlet H., Thierens M. R.V. Pelagia Cruise M07II (64PE276) Pre-drilling Topographic, Biological, Hydrographical and Seismic Surveying of Cold Water Coral Carbonate Mounds at the Rockall Trough Margins; 30 September-22 October 2007 (Galway-Galway) 2008, Royal NIOZ.
4. de Mol B., van Rensbergen P., Pillen S., van Herreweghe K., van Rooij D., McDonnell A., Huvenne V., Ivanov M., Swennen R., Henriet J.P. Large deep-water coral banks in the Porcupine Basin, southwest of Ireland. Mar. Geol. 2002, 188:193-231.
5. de Mol B., Henriet J.P., Canals M. Development of coral banks in Porcupine Seabight: do they have Mediterranean ancestors? Cold-water corals and ecosystems. Cold-Water Corals & Ecosystems. 2005, 515-533. Springer, Berlin, Heidelberg. A. Freiwald, J.M. Roberts (Eds.).
6. de Vernal A., Hillaire-Marcel C., Turon J.-L., Matthiesson J. Reconstruction of sea-surface temperature, salinity, and sea-ice cover in the northern North Atlantic during the Last Glacial Maximum based on dinocyst assemblages. Can. J. Earth Sci. 2000, 37:725-750.
7. Dickson R.R., McCave I.N. Nepheloid layers on the continental slope west of Porcupine Bank. Deep Sea Res. 1986, 33:791-818.
8. Dorschel B., Hebbeln D., Foubert A., White M., Wheeler A.J. Cold water coral carbonate mound hydrodynamics and facies distributions: instrumentation and model development. Mar. Geol. 2007, 244(1-4):184-195.
9. Dorschel B., Wheeler A.J., Huvenne V.A.I., de Haas H. Cold water coral mounds in an erosive environmental setting: TOBI side-scan sonar data and ROV video footage from the northwest Porcupine Bank, NE Atlantic. Mar. Geol. 2009, 264:218-229.
10. Frank N., Ricard E., Lutringer-Paquet A., van der land C., Colin C., Blamart D., Foubert A., van Rooij D., Henriet J.-P., de Haas H., van Weering T. The Holecene occurence of cold water coral in the NE Atlantic: implications for coral mound development. Mar. Geol. 2009, 266:129-142.
11. Frederiksen R., Jensen A., Westerberg H. The distribution of the scleractinian coral Lophelia pertusa around the Faeroe Islands and the relation to internal tidal mixing. Sarsia 1992, 77:157-171.
12. Freiwald A. Reef forming cold water corals. Ocean Margin Systems 2002, 365-385. Springer -Verlag, Berlin-Heidelberg. G. Wefer, D. Billett, D. Hebblen, B.B. Jorgensen, M. Schluter, T. van Weering (Eds.).
13. Genin A., Dayton P.K., Lonsdale P.F., Speiss F.N. Corals on seamount peaks provide evidence of current acceleration over deep-sea topography. Nature 1986, 322:59-61.
14. Huthnance J.M. Waves and currents near the continental shelf edge. Prog. Oceanogr. 1981, 10:193-226.
15. Huthnance J.M., Coelho H., Griffiths C., Knight P.J., Rees A.P., Sinha B., Vangriesheim A., White M., Chatwin P.G. Physical structures, advection and mixing in the region of Goban Spur. Deep Sea Res. II 2001, 48(14-15):2979-3021.
16. Kenyon N.H., Akhmetzhanov A.M., Wheeler A.J., van Weering T.C.E., de Haas H., Ivanov M.I. Giant carbonate mounds in the southern Rockall Trough. Mar. Geol. 2003, 195:5-30.
17. Mienis F., de Stigter H.C., White M., Duineveld G., de Haas H., van Weering T.C.E. Hydrodynamic controls on cold water coral growth and carbonate-mound development at the SW and SE Rockall Trough Margin, NE Atlantic Ocean. Deep Sea Res. 2007, 54(9):1655-1674.
18. Mienis F., de Stigter H.C., de Haas H., van Weering T.C.E. Near-bed particle deposition and resuspension in a cold water coral mound area at the Southwest Rockall Trough margin, NE Atlantic. Deep Sea Res. 2009, 56:1026-1038.
19. New A.D., Pingree R.D. Evidence for internal tidal mixing near the shelf break in the Bay of Biscay. Deep Sea Res. 1990, 37:517-524.
20. Peck V.L., Hall I.R., Zahn R., Elderfield H., Grousset F., Hemming S.R., Scourse J.D. High resolution evidence for linkages between NW European ice sheet instability and Atlantic meridional overturning circulation. Earth Planet. Sci. Lett. 2006, 243:476-488.
21. Pingree R.D., LeCann B. Structure, strength and seasonality of the slope currents in the Bay of Biscay region. J. Mar. Biol. Assoc. UK 1990, 70:857-885.
22. Pingree R.D., Mardell G.L., New A.D. Propagation of internal tides from the upper slopes of the Bay of Biscay. Nature 1986, 321:154-158.
23. Pingree R.D., Sinha B., Griffiths C. Seasonality of the slope current at the Goban Spur and implications for ocean margin exchange. Cont. Shelf Res. 1999, 19:929-975.
24. Rasmussen T.L., Thomsen E., Troestra S.R., Kuijpers A., Prins M.A. Millennial-scale glacial variability versus Holocene stability: changes in planktic and benthic foraminifera faunas and ocean circulation in the North Atlantic during the last 60,000years. Mar. Micropaleontol. 2002, 47:143-176.
25. Rhines P.B. Edge-, bottom- and Rossby waves. Geophys. Fluid Dyn. 1970, 1:273-302.
26. Roberts J.M., Long D., Wilson J.B., Gage J.D., Mortensen P.B. The cold coral Lophelia pertusa (Scleractinia) and enigmatic seabed mounds along the north-east Atlantic margin; are they related?. Mar. Pollut. Bull. 2003, 46:7-20.
27. Roberts J.M., Wheeler A.J., Freiwald A. Reefs of the deep: the biology and geology of cold water coral ecosystems. Science 2006, 312:543-547.
28. Sharples J., Tweddle J.F., Green M.J.A., Palmer M.R., Kim Y.-N., Hickman A.E., Holligan P., Moore C.M., Rippeth T.P., Simpson J.H., Krivtsov V. Spring-neap modulation of internal tidal mixing and vertical nitrate fluxes at the shelf edge in summer. Limnol. Oceanog. 2007, 52:1735-1747.
29. Sharples J., Moore C.M., Hickman A.E., Holligan P.M., Tweddle J.F., Palmer M.R., Simpson J.H., Sharples J., Moore C.M., Hickman A.E., Holligan P.M., Tweddle J.F., Palmer M.R., Simpson J.H. Internal tidal mixing as a control on continental margin ecosystems. Geophys. Res. Lett. 2009, 36. (L23603). 10.1029/2009GL040683.
30. Thiem Ø., Ravagnan E., Fosså J.H., Berntsen J. Food supply mechanisms for cold water corals along a continental shelf edge. J. Mar. Sys. 2006, 60:207-219.
31. Thomsen L., Gust G. Sediment erosion thresholds and characteristics of re-suspended aggregates on the western European continental margin. Deep Sea Res. 2000, 47:1881-1897.
32. Thorpe S.A. On the reflection of a train of finite-amplitude internal waves from a uniform slope (with appendix by S.A. Thorpe and A.P. Haines). J. Fluid Mech. 1987, 178:279-302.
33. Thorpe S.A. The generation of internal waves by flow over the rough topography of a continental slope. Proc. R. Soc. Lond. 1992, A439:115-130.
34. Thorpe S.A., White M. A deep intermediate nepheloid layer. Deep Sea Res. 1988, 35:1665-1671.
35. Thorpe S.A., Hall P., White M. The variability of mixing at the continental slope. Philos. Trans. R. Soc. Lond. 1990, A331:183-194.
36. Ullgren J., White M. Water mass interaction at intermediate depths in the southern Rockall Trough, northeastern North Atlantic. Deep Sea Res. 2010, 57:248-257.
37. van Aken H.M., Becker G. Hydrography and through-flow in the north-eastern North Atlantic; the NANSEN project. Prog. Oceanogr. 1996, 38:297-346.
38. van Rooij D., Blamart D., Richter T., Wheeler A., Kozachenko M., Henriet J.P. Quaternary sediment dynamics in the Belgica mound province, Porcupine Seabight: ice-rafting events and contour current processes. Int. J. Earth Sci. 2007, 96(1):121-140.
39. van Weering C.E., de Haas H., de Stigter H., Lykke-Anderson H., Kouvaev I. Structure and development of giant carbonate mounds at the SW and SE Rockall Trough margins, NE Atlantic Ocean. Mar. Geol. 2003, 198:67-81.
40. Wheeler A.J., Kozachenko M., Beyer A., Foubert A., Huvenne V.A.I., Klages M., Masson D.G., Olu-Le Roy K., Thiede J. Sedimentary processes and carbonate mounds in the Belgica Mound province, Porcupine Seabight, NE Atlantic. Cold water corals and Ecosystems 2005, 571-603. Springer. R. Freiwald (Ed.).
41. Wheeler A.J., Beyer A., Freiwald A., de Haas H., Huvenne V.A.I., Kozachenko M., Olu-Le Roy K., Opderbecke J. Morphology and environment of cold-water coral carbonate mounds on the NW European margin. Int. J. Earth Sci. 2007, 96(1):37-56.
42. White M. Tidal and sub-tidal variability in the sloping benthic boundary layer. J. Geophys. Res. 1994, 99:7851-7864.
43. White M. Benthic dynamics at the carbonate mound regions of the Porcupine Sea Bight continental margin. Int. J. Earth Sci. 2007, 96(1):1-9.
44. White M., Mohn C., de Stigter H., Mottram G. Deep water coral development as a function of hydrodynamics and surface productivity around the submarine banks of the Rockall Trough, NE Atlantic. Cold Water Corals and Ecosystems 2005, 503-514. Springer. R. Freiwald (Ed.).
45. White M., Roberts J.M., van Weering T. Do bottom intensified diurnal tidal currents shape the alignment of carbonate mounds in the NE Atlantic?. Geo-Mar. Lett. 2007, 27(6):391-397.