Bioturbation artifacts in zero-age sediments

Paleoceanography

Volumn 24, Issue 4, 2009, Pages

  Keigwin, L D ^a   Guilderson, T P ^b,c  

^a WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

^b LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

^c UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AGE; ARTIFACT; BIOTURBATION; BOTTOM WATER; DEEP-SEA SEDIMENT; FORAMINIFERA; LITTLE ICE AGE; MASS BALANCE; NUCLEAR WEAPON; RADIOCARBON DATING; SEDIMENT ANALYSIS; WARMING;

ATLANTIC OCEAN; SARGASSO SEA;

FORAMINIFERA;

EID: 77952381560     PISSN: 08838305     EISSN: None     Source Type: Journal    
DOI: 10.1029/2008PA001727     Document Type: Article

References (18)

1. Barker, S., W. Broecker, E. Clark, and I. Hajdas (2007), Radiocarbon age offsets of foraminifera resulting from differential dissolution and fragmentation within the sedimentary bioturbated zone, Paleoceanography, 22, PA2205, doi:10.1029/2006PA001354.
2. Berger, W. H., and G. R. Heath (1968), Vertical mixing in pelagic sediments, J. Mar. Res., 26, 134-143.
3. Broecker, W. S., S. Sutherland, W. Smethie, T.-H. Peng, and G. Ostlund (1995), Oceanic radiocarbon: Separation of the natural and bomb components, Global Biogeochem. Cycles, 9, 263-288, doi:10.1029/95GB00208.
4. Broecker, W. S., S. Sutherland, and T.-H. Peng (1999), A possible 20th-century slowdown of Southern Ocean deep water formation, Science, 286, 1132-1135, doi:10.1126/science.286. 5442.1132.
5. Druffel, E. M. (1982), Banded corals: Changes in oceanic carbon- 14 during the little ice age, Science, 218, 13-19, doi:10.1126/science. 218.4567.13.
6. Druffel, E. R. M. (1989), Decade time scale variability of ventilation in the North Atlantic: High-precision measurements of bomb radiocarbon in banded corals, J. Geophys. Res., 94, 3271-3285, doi:10.1029/JC094iC03p03271.
7. Glass, B. P. (1969), Reworking of deep-sea sediments as indicated by the vertical dispersion of the Australasian and Ivory Coast microtektite horizons, Earth Planet. Sci. Lett., 6, 409-415, doi:10.1016/0012-821X (69)90109-90115
8. Keigwin, L. D. (1996), The little ice age and medieval warm period in the Sargasso Sea, Science, 274, 1504-1508, doi: 10.1126/ science.274.5292.1504.
9. Keigwin, L. D., and R. S. Pickart (1999), Slope water current over the Laurentian Fan on interannual to millennial time scales, Science, 286, 520-523, doi:10.1126/science.286.5439.520.
10. Key, R. M., A. Kozyr, C. L. Sabine, K. Lee, R. Wanninkhof, J. L. Bullister, R. A. Feely, F. J. Millero, C. Mordy, and T.-H. Peng (2004), A global ocean carbon climatology: Results from Global Data Analysis Project (GLODAP), Global Biogeochem. Cycles, 18, GB4031, doi:10.1029/2004GB002247.
11. Kilbourne, K. H., T. M. Quinn, T. P. Guilderson, R. S. Webb, and F. W. Taylor (2007), Decadalto interannual-scale source water variations in the Caribbean Sea recorded by Puerto Rican coral radiocarbon, Clim. Dyn., 29, 51-62, doi: 10.1007/S00382-007-0224-2.
12. McCorkle, D. C., L. D. Keigwin, B. H. Corliss, and S. R. Emerson (1990), The influence of microhabitats on the carbon isotopic composition of deep-sea benthic foraminifera, Paleoceanography, 5, 161-185, doi:10.1029/ PA005i002p00161.
13. Ohkouchi, N., T. I. Eglinton, L. D. Keigwin, and J. M. Hayes (2002), Spatial and temporal offsets between proxy records in a sediment drift, Science, 298, 1224-1227, doi:10.1126/ science. 1075287.
14. Rubin, S. I., and R. M. Key (2002), Separating natural and bomb-produced radiocarbon in the ocean: The potential alkalinity method, Global Biogeochem. Cycles, 16(4), 1105, doi:10.1029/2001GB001432.
15. Ruddiman, W. F., and L. K. Glover (1972), Vertical mixing of ice-rafted volcanic ash in North Atlantic sediments, Geol. Soc. Am. Bull., 83, 2817-2836, doi:10.1130/0016-7606(1972) 83[2817:VMOIVA]2.0.CO;2.
16. 14C data, Radiocarbon, 19, 355-363.
17. Wheatcroft, R. A. (1992), Experimental tests for size-dependent bioturbation in the deep ocean, Limnol. Oceanogr., 37, 90-104.
18. Wheatcroft, R. A., P. A. Jumars, C. R. Smith, and A. R. M. Nowell (1990), A mechanistic view of the particulate biodiffusion coefficient: Step lengths, rest periods, and transport directions, J. Mar. Res., 48, 177-207, doi: 10.1357/002224090784984560.