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Sicre, Marie-Alexandrine; Ternois, Yann; Miquel, Juan Carlos; Marty, Jean-Claude (1999): Alkenones in the northwestern Mediterranean Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.738665, Supplement to: Sicre, M-A et al. (1999): Alkenones in the Northwestern Mediterranean sea: interannual variability and vertical transfer. Geophysical Research Letters, 26(12), 1735-1738, https://doi.org/10.1029/1999GL900353

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Published: 1999 (exact date unknown) • DOI registered: 2010-07-02

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Abstract:
C37 alkenone fluxes were measured with sediment traps at 200 m depth over the years 1989/1990 and 1993/1994 to assess the interannual variability of the alkenone flux from the surface waters of the Mediterranean Sea. Fall and spring were identified as the high flux periods. SST estimates derived from the UK'37 index indicated 50 m and 30 m as major production depths in spring and fall, respectively. Althought interannual variation of alkenone fluxes was notable, the seasonality and depth of production appeared to be recurrent features of the coccolithophorid cycle of production. Alkenone fluxes at 1000 m measured over the year 1993/1994 were about 5 times lower than at 200 m and show no evidence of preferential preservation relative to the organic carbon between these depths. SST predicted at 200 m and 1000 m indicated a remarkably good transfer of the surface temperature signal to deeper layers.
Project(s):
Biogeochemical Processes in the Oceans and Fluxes (PROOF)
Joint Global Ocean Flux Study (JGOFS)
Mediterranean Data Archaeology and Rescue (MEDAR/MEDATLAS)
Funding:
European Commission (EC), grant/award no. ERBIC20-CT98-0103: Mediterranean Data Archaeology and Rescue
European Commission (EC), grant/award no. MAS3-CT98-0174: Mediterranean Data Archaeology and Rescue
Coverage:
Latitude: 43.427700 * Longitude: 7.252200
Date/Time Start: 1993-05-13T00:00:00 * Date/Time End: 1994-11-07T00:00:00
Event(s):
DYF16 * Latitude: 43.427700 * Longitude: 7.252200 * Date/Time Start: 1993-05-13T00:00:00 * Date/Time End: 1993-12-04T00:00:00 * Campaign: DYFAMED * Basis: Time-series station * Method/Device: Trap (TRAP) * Comment: Position of the DYFAMED primary station.
DYF17 * Latitude: 43.427700 * Longitude: 7.252200 * Date/Time Start: 1993-12-11T00:00:00 * Date/Time End: 1994-03-28T00:00:00 * Campaign: DYFAMED * Basis: Time-series station * Method/Device: Trap (TRAP) * Comment: Position of the DYFAMED primary station.
DYF18 * Latitude: 43.427700 * Longitude: 7.252200 * Date/Time Start: 1994-06-10T00:00:00 * Date/Time End: 1994-12-09T00:00:00 * Campaign: DYFAMED * Basis: Time-series station * Method/Device: Trap (TRAP) * Comment: Position of the DYFAMED primary station.
Comment:
For sampling period 1989-1990 see Ternois et al. (1996) datasets: doi:10.1594/PANGAEA.738663
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Sicre, M-A; Ternois, Y; Miquel, JC et al. (1999): Alkenones, unsaturation index UK`37 at trap DYF16. https://doi.org/10.1594/PANGAEA.183762
  2. Sicre, M-A; Ternois, Y; Miquel, JC et al. (1999): Alkenones, unsaturation index UK`37 at trap DYF17. https://doi.org/10.1594/PANGAEA.183763
  3. Sicre, M-A; Ternois, Y; Miquel, JC et al. (1999): Alkenones, unsaturation index UK`37 at trap DYF18. https://doi.org/10.1594/PANGAEA.183764