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Seasonality and Interaction of Biogenic and Lithogenic Particulate Flux at the Panama Basin
Abstract
Time-series sediment traps were deployed for an entire year at three depths (890, 2590, and 3560 meters) at a deepwater station (3860 meters) in the Panama Basin. The amount of horizontal and lithogenic particulate material arriving at the three depths was seasonally pulsed and directly reflected changes in surface primary production. Two spikes of organic flux were simultaneously recorded at all three depths: (i) a period of high productivity during regional upwelling in February through March and (ii) an unusual bloom of a single species of coccolithophorid during June through July. This latter spike delivered approximately 25 grams of coccolith per square meter of area at a depth of 3860 meters during less than 60 days. The flux of lithogenic particles increased with increasing depth and was seasonally correlated to surface production and current direction, and not to the detritus discharged in river flow. The data suggest that suspended clays are efficiently scavenged from the water column by rapidly sinking organic aggregates.
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Cited by
Bacteria and cyanobacteria associated with phytodetritus in the deep sea
Lochte, K., & Turley, C. M. (1988) · Nature · doi:10.1038/333067a0 · Cited by 329
Regional variability in the vertical flux of particulate organic carbon in the ocean interior
Lutz, M., Dunbar, R., & Caldeira, K. (2002) · Global Biogeochemical Cycles · doi:10.1029/2000gb001383 · Cited by 260
Siegel, D. A., & Deuser, W. G. (1997) · Deep Sea Research Part I: Oceanographic Research Papers · doi:10.1016/s0967-0637(97)00028-9 · Cited by 254
Evans, M. S., Eadie, B. J., & Glover, R. M. (1998) · Journal of Great Lakes Research · doi:10.1016/s0380-1330(98)70844-5 · Cited by 27
Clumped Isotope Temperatures of Coccolithophores From Global Sediment Traps
Clark, A. J., Jaggi, M., Bernasconi, S. M., Fiebig, J., & Stoll, H. M. (2025) · Paleoceanography and Paleoclimatology · doi:10.1029/2024pa005054 · Cited by 10
Metadata
- Authors
- Honjo, S.
- Venue
- Science
- Published
- 1982-11-26
- Volume
- 218
- Issue
- 4575
- Pages
- 883-884
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2060012941
- Cited by
- 400
- References
- 0
- FWCI
- 15.06
- Type
- journal article
- Language
- en
- Open access
- closed
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- Honjo, S. (1982). Seasonality and Interaction of Biogenic and Lithogenic Particulate Flux at the Panama Basin. Science. https://doi.org/10.1126/science.218.4575.883
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