234Th/238U disequilibrium as an indicator of the seasonal export flux of particulate organic carbon in the North Water

Deep-Sea Research Part II: Topical Studies in Oceanography

Volumn 49, Issue 22-23, 2002, Pages 5191-5209

  Amiel, David ^a   Cochran, J Kirk ^a   Hirschberg, David J ^a  

^a STONY BROOK UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIODIVERSITY; BIOMASS; CARBON; ORGANIC COMPOUNDS; PARTICLES (PARTICULATE MATTER); SEDIMENTS;

PHYTOPLANKTON; WATER-COLUMN DEFICITS;

OCEANOGRAPHY;

EUPHOTIC ZONE; ORGANIC CARBON; PARTICULATE FLUX; SEASONALITY; THORIUM ISOTOPE;

ARCTIC OCEAN;

BACILLARIOPHYTA; CHAETOCEROS; CHAETOCEROS SOCIALIS;

EID: 0036036027     PISSN: 09670645     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0967-0645(02)00185-6     Document Type: Article

References (30)

1. 238U Disequilibrium as an Indicator of the Seasonal Export Flux of POC in the North Water (NOW) Polynya. MS, State University of New York, Stony Brook, NY, August 2000.
2. Bâcle, J., Carmack, E.C., Ingram, R.G., 2002. Water column structure and circulation under the North Water during spring transition: April-July, 1998. Deep-Sea Research II, this issue (PII: S0967-0645(02)00170-4).
3. 234Th measurements. Deep-Sea Research II 43, 1133-1153.
4. 238U ratios in the ocean. Earth and Planetary Space Letters 5, 483-491.
5. Bishop, J.K., Edmond, J.M., Ketten, D.R., Bacon, M.B., Silker, W.B., 1977. The chemistry, biology and vertical flux of particulate matter from the upper 400 m of the equatorial Atlantic Ocean. Deep-Sea Research 24, 511-548.
6. Booth, B.C., Larouche, P., Bélanger, S., Amiel, D., Klein, B., Mei, Z.-P., LeBlanc, B., 2002. Dynamics of Chaetoceros socialis blooms in the North Water. Deep-Sea Research II, this issue (PII: S0967-0645(02)00175-3).
7. Buesseler, K.O., 1991. Do upper ocean sediment traps provide an accurate record of particle flux? Nature 353, 420-423.
8. 238U disequilibria. Deep-Sea Research 39, 1115-1137.
9. 234Th. Deep-Sea Research II 45, 2461-2487.
10. Buesseler, K.O., Ball, L., Andrews, J., Cochran, J.K., Hirschberg, D.J., Bacon, M.P., Fleer, A., Brzezinski, M., 2001. Upper ocean export of particulate organic carbon and biogenic silica in the Southern Ocean along 170°W. Deep-Sea Research II 48, 4275-4297.
11. 232Th in seawater. Earth and Planetary Science Letters 80, 241-251.
12. Clegg, S.L., Witfield, M., 1990. A generalized model for the scavenging of trace metals in the open ocean, I, particle cycling. Deep-Sea Research I 37, 809-832.
13. 238U disequilibria. Limnology and Oceanography 21, 189-201.
14. Cochran, J.K., Buesseler, K.O., Bacon, M.P., Livingston, H.D., 1993. Thorium isotopes as indicators of particle dynamics in the upper ocean: Results from the JGOFS North Atlantic Bloom Experiment. Deep-Sea Research 40, 1569-1595.
15. Cochran, J.K., Barnes, C., Achman, D., Hirschberg, D.J., 1995. Thorium-234/Uranium-238 disequilibrium as an indicator of scavenging rates and particulate organic carbon fluxes in the Northeast Water Polynya, Greenland. Journal of Geophysical Research 100, 4399-4410.
16. 228Th) as indicators of POC export and particle cycling in the Ross Sea, Southern Ocean. Deep-Sea Research II 47(15-16), 3451-3490.
17. Hargrave, B.T., Walsh, I.D., Murray, D.W., 2002. Seasonal and spatial patterns in mass and organic matter sedimentation in the North Water. Deep-Sea Research II, this issue (PII: S0967-0645(02)00187-X).
18. Huston, A.L., Deming, J.W., 2002. Relationships between microbial extracellular enzymatic activity and suspended and sinking particulate organic matter: Seasonal transformations in the North Water. Deep-Sea Research II, this issue (PII: S0967-0645(02)00186-8).
19. Klein, B., LeBlanc, B., Mei, Z.-P., Beret.R., Michaud, J., Mundy, C.-J., von Quillfeldt C. H., Garneau, M.-È., Roy, S., Gratton, Y., Cochran, J.K., Bélanger, S., Larouche, P., Pakulski, J.D., Rivkin, R.B., Legendre, L., 2002. Phytoplankton biomass, production and potential export in the North Water. Deep-Sea Research II, this issue (PII: S0967-0645(02)00174-1).
20. Livingston, H.D., Cochran, J.K., 1987. Determination of transuranic and thorium isotopes in ocean water: In solution and in filterable particles. Journal of Radioanalytical and Nuclear Chemistry 115, 299-308.
21. Michaels, A.F., Silver, M.W., Gowing, M.M., Knauer, G.A., 1990. Cryptic zooplankton "swimmers" in upper ocean sediment traps. Deep-Sea Research 37, 1285-1296.
22. Michel, C., Gosselin, M., Nozais, C., 2002. Prefential sinking export of biogenic silica during the spring-summer phytoplankton dynamics in the North Water Polynya (northern Baffin Bay): Temperature or biological control? Journal of Geophysical Research 107(C6)10.1029/2000JC000408.
23. 234Th as a tracer of scavenging and particle export in the Beaufort Sea. Continental Shelf Research 20, 153-167.
24. 234Th Ratios in the Upper Ocean: Importance of Biological Recycling. Abstract 23, The Oceanography Society, Seattle, WA.
25. 234Th approach. Deep-Sea Research II 43, 1095-1132.
26. Reynolds, C.S., Morison, A.R., Butterwick, C., 1982. The sedimentary flux of phytoplankton in the south basin of Windermere. Limnology and Oceanography 27, 1162-1175.
27. Siegel, B.A., Granata, T.C., Michaels, A.F., Dickey, T.D., 1990. Mesoscale eddy diffusion, particle sinking, and the interpretation of sediment trap data. Journal of Geophysical Research 95, 5305-5311.
28. Smetacek, V.S., 1985. Role of sinking in diatom life-history cycles: Ecological, evolutionary and geological significance. Marine Biology 84, 239-251.
29. Tremblay, J.-É., Gratton, Y., Carmack, E.C., Payne, C.D., Price, N.M., 2002b. Impact of the large-scale Arctic circulation and the North Water Polynya on nutrient inventories in Baffin Bay. Journal of Geophysical Research, in press.
30. Tremblay, J.-É., Gratton, Y., Fauchot, J., Price, N.M., 2002a. Climatic and oceanic forcing of new, net and diatom production in the North Water. Deep-Sea Research II, this issue (PII: S0967-0645(02)00171-6).