Radiocarbon age profiles and size dependency of mixing in Northeast Atlantic sediments

Radiocarbon

Volumn 43, Issue 2 PART II, 2001, Pages 929-937

  Brown, Louise ^a   Cook, Gordon T ^a   MacKenzie, Angus B ^a   Thomson, John ^b  

^a SCOTTISH UNIVERSITIES ENVIRONMENTAL RESEARCH CENTRE   (United Kingdom)

^b NATIONAL OCEANOGRAPHY CENTRE   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

CALCIUM CARBONATE; CARBON 14; CARBONIC ACID;

ACCELERATOR MASS SPECTROMETRY; GRAIN SIZE; MARINE SEDIMENT; PALEOCEANOGRAPHY; PLANKTONIC FORAMINIFERA; RADIOCARBON DATING;

ANALYTIC METHOD; ATLANTIC OCEAN; BIOGEOCHEMISTRY; CHRONOLOGY; CONFERENCE PAPER; PALEOECOLOGY; PARTICLE SIZE; SEDIMENT;

ATLANTIC OCEAN;

EID: 0035572881     PISSN: 00338222     EISSN: None     Source Type: Journal    
DOI: 10.1017/s003382220004159x     Document Type: Article

References (31)

1. 14C measurements on foraminifera of deep sea core V28-238 and their preliminary interpretation. Nuclear Instruments and Methods B 5:340-5.
2. 14C dating. Climate Dynamics 1:101-12.
3. 14C ages measured in planktonic foraminifera: Palaeoceanographic implications. Palaeoceanography 3:635-45.
4. 14C age of the mixed layer in deep-sea carbonates. Earth and Planetary Science Letters 41:223-7.
5. 18O records from the tropical Atlantic Ocean. Quaternary Research 23:258-71.
6. Bock MJ. Miller DC. 1999. Particle selectivity, gut volume and the response to a step change in diet for deposit-feeding polychaetes. Limnology and Oceanography 44:1132-8.
7. Boyle EA. 1988. Cadmium: Chemical tracer of deepwater palaeoceanography. Paleoceanography 3:471-89.
8. Broecker WS, Mix A, Andree M, Oescher H. 1984. Radiocarbon measurements on coexisting benthic and planktic foraminifera shells: potential for reconstructing ocean ventilation times over the past 20,000 years. Nuclear Instruments and Methods B 5:331-9.
9. Broecker WS, Andree M, Wolfli W, Oeschger H, Bonani G, Kennet J, Peteet D. 1988. The chronology of the last deglaciation: Implications to the cause of the Younger Dryas event. Paleoceanography 3:1-19.
10. Brown L, Cook GT, MacKenzie AB, Naysmith P, Anderson R, Thomson J, Nixon S. 1999. Characterisation of differential mixing between foraminifera and bulk carbonate in N.E. Atlantic sediments. Nuclear Instruments and Methods B. In press.
11. 14C and U-Th measurements in coral. Radiocarbon 34(3):611-8.
12. 137Cs distributions. Geochimica et Cosmochimica Acta 49:1195-210.
13. 32Si profiles. Earth and Planetary Science Letters 61:257-81.
14. Emiliani C. 1955. Pleistocene temperatures. Journal of Geology 63:538-78.
15. 14C age and vertical mixing of deep sea sediments. Earth and Planetary Science Letters 47:319-26.
16. Gulliksen S, Scott EM. 1995. Report on the TIRI workshop. Radiocarbon 37(2):820-1.
17. Jones GA, Jull AJT, Linick TW, Donahue DJ. 1989. Radiocarbon dating of deep sea sediments: a comparison of accelerator mass spectrometer and beta decay methods. Radiocarbon 31(1):105-16.
18. Lea DW, Boyle EA. 1990. A 210,000 year record of barium variability in the deep northwest Atlantic ocean. Nature 347:269-72.
19. McCave IN. 1988. Biological pumping upwards of the coarse fraction of deep-sea sediments. Sedimentary Petrology 58:148-58.
20. Manighetti B, McCave IN, Maslin M, Schackleton NJ. 1993. Chronology for climate change: developing age models for the Biogeochemical Ocean Flux Study cores. Paleoceanography 10:513-25.
21. Oehmig R. 1993. Entrainment of planktonic foramin-ifera: effect of bulk density. Sedimentology 40:869-77.
22. 18O stratigraphies between nannofossil and foraminiferal calcites. Quaternary Research 35:274-90.
23. Peng T-H, Broecker W. 1984. The impacts of bioturbation on the age difference between benthic and planktonic foraminifera in deep sea sediments. Nuclear Instruments and Methods B 5:346-52.
24. Sanyal A, Hemming NG, Hanson GH, Broecker WS. 1995. Evidence for a higher pH in the glacial ocean from boron isotopes in foraminifera. Nature 373:234-6.
25. Schiffelbein P, 1984. Effect of benthic mixing on the information content of deep sea stratigraphie signals. Nature 311:651-3.
26. 14C background and its components at the Leibniz AMS facility. Radiocarbon 40(1):85-93.
27. 14C accelerator targets by catalytic reduction of CO. Radiocarbon 29(2):303-6.
28. 230Th excess and radiocarbon measurements. Palaeoceanography 8:631-50.
29. Thomson J, Weaver PPE. 1994. An AMS radiocarbon method to determine the emplacement time of recent deep sea turbidites. Sedimentary Geology 89:1-7.
30. Thomson J, Cook GT, Anderson R, MacKenzie AB, Harkness DD, McCave IN. 1995. Radiocarbon age offsets in different-sized carbonate components of deep-sea sediments. Radiocarbon 37(1):91-101.
31. Wheatcroft RA, Jumars PA. 1989. Statistical re-analysis for size dependency in deep-sea mixing. Marine Geology 77:157-63.