Bioturbation and porosity gradients

Limnology and Oceanography

Volumn 43, Issue 1, 1998, Pages 1-9

  Mulsow, Sandor ^a,c   Boudreau, Bernard P ^a   Smith, John N ^b  

^a DALHOUSIE UNIVERSITY   (Canada)

^b BEDFORD INSTITUTE OF OCEANOGRAPHY   (Canada)

^c Akvaplan SA   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

BIOTURBATION; LEAD-210; MARINE SEDIMENT; POROSITY; TRACER;

ATLANTIC;

EID: 0031841494     PISSN: 00243590     EISSN: None     Source Type: Journal    
DOI: 10.4319/lo.1998.43.1.000I     Document Type: Article

References (22)

1. 238U disequilibrium. Earth Planet. Sci. Lett. 47: 161-175.
2. ANDREWS, D., AND B. T. HARGRAVE. 1984. Close interval sampling of interstitial silicate and porosity in marine sediments. Geochim. Cosmochim. Acta 48: 711-722.
3. 2 microelectrode results. Geochim. Cosmochim. Acta 53: 2831-2845.
4. BERNER, R. A. 1980. Early diagenesis: A theoretical approach. Princeton.
5. BOUDREAU, B. P. 1986. Mathematics of tracer mixing in sediments: I. Spatially dependent, diffusive mixing. Am. J. Sci. 286: 161-198.
6. _. 1994. Is burial velocity a master parameter for bioturbation? Geochim. Cosmochim. Acta 58: 1243-1249.
7. CHRISTENSEN, E. R. 1982. A model for radionuclides in sediments influenced by mixing and compaction. J. Geophys. Res. 87: 566-572.
8. _. 1983. Mixing, sedimentation rates and age dating for sediment cores - comment. Mar. Geol. 52: 291-292.
9. 137Cs distributions at MANOP sites. Geochim. Cosmochim. Acta 49: 1195-1210.
10. FEHR, S. D. 1991. A geoacoustical model for the upper sediments of Emerald Basin. Ph.D. thesis, Dalhousie Univ.
11. GUINASSO, N. L., JR., AND D. R. SCHINK. 1975. Quantitative estimates of biological mixing rates in abyssal sediments. J. Geophys. Res. 80: 3032-3043.
12. IVERSEN, N., AND B. B. JØRGENSEN. 1993. Diffusion coefficients of sulfate and methane in marine sediments: Influence of porosity. Geochim. Cosmochim. Acta 57: 571-578.
13. KEEN, M. J., B. D. LONCAREVIC, AND G. N. EWING. 1971. Continental margin of Eastern Canada: Georges Bank to Kane Basin, p. 251-291. In A. E. Maxwell [ed.], The sea. V. 4, pt. II. John Wiley and Sons.
14. 239,240Pu. Earth Planet. Sci. Lett. 47: 307-318.
15. 222Rn at low levels in natural waters. Health Physics 55: 989-992.
16. MCCALL, P. L., AND M. J. S. TEVESZ. 1982. The effects of benthos on physical properties of freshwater sediments, p. 105-176. In P. L. McCall and M. J. S. Tevesz [eds.], Animal-sediment relations. Plenum.
17. 210Pb distribution in submersible-taken deep-sea cores from Project FAMOUS. Earth Planet. Sci. Lett. 34: 167-173.
18. OFFICER, C. B., AND D. R. LYNCH. 1982. Interpretation procedures for the determination of sediment parameters from time-dependent flux inputs. Earth Planet. Sci. Lett. 61: 55-62.
19. _. 1983. Mixing, sedimentation rates and age dating for sediment cores - reply I. Mar. Geol. 52: 292-296.
20. RHOADS, D. C. 1974. Organism-sediment relations on the muddy sea floor. Oceanogr. Mar. Biol. Ann. Rev. 12: 263-300.
21. _, AND L. F. BOYER. 1982. The effects of marine benthos on physical properties of sediments: A successional perspective, p. 3-52. In P. L. McCall and M. J. S. Tevesz [eds.], Animal-sediment relations. Plenum.
22. SMITH, J. N., AND C. T. SCHAFER. 1984. Bioturbation processes in continental slope and rise sediments delineated by Pb-210, microfossil and textural indicators. J. Mar. Res. 42: 1117-1145.