Limoges, Audrey; Weckström, Kaarina; Ribeiro, Sofia; Georgiadis, Eleanor; Hansen, Katrine Elnegaard; Martinez, Philippe; Seidenkrantz, Marit-Solveig; Giraudeau, Jacques; Crosta, Xavier; Massé, Guillaume (2021): Diatom concentrations and fluxes from marine sediment core AMD14-204_CASQ [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.929455
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Abstract:
Relative contribution of the “marginal ice zone”, “drift-ice/pack-ice” and “summer subsurface” diatom indicator groups, diatom valve and Chaetoceros resting spore concentrations (valves or spores/g), diatom valve and Chaetoceros resting spore fluxes (valves or spores/unit surface area/yr), and total diatom fluxes (valves and spores/unit surface area/yr) from the marine sediment core AMD14-204 that was retrieved from the West Greenland shelf, offshore Upernavik, and which spans the last ca. 9,000 years.
Related to:
Limoges, Audrey; Weckström, Kaarina; Ribeiro, Sofia; Georgiadis, Eleanor; Hansen, Katrine Elnegaard; Martinez, Philippe; Seidenkrantz, Marit-Solveig; Giraudeau, Jacques; Crosta, Xavier; Massé, Guillaume (2020): Fossil diatom record from marine sediment core AMD14-204_CASQ. PANGAEA, https://doi.org/10.1594/PANGAEA.925188
Limoges, Audrey; Weckström, Kaarina; Ribeiro, Sofia; Georgiadis, Eleanor; Hansen, Katrine Elnegaard; Martinez, Philippe; Seidenkrantz, Marit-Solveig; Giraudeau, Jacques; Crosta, Xavier; Massé, Guillaume (2020): Learning from the past: Impact of the Arctic Oscillation on sea ice and marine productivity off northwest Greenland over the last 9,000 years. Global Change Biology, 26(12), 6767-6786, https://doi.org/10.1111/gcb.15334
Limoges, Audrey; Weckström, Kaarina; Ribeiro, Sofia; Georgiadis, Eleanor; Hansen, Katrine Elnegaard; Martinez, Philippe; Seidenkrantz, Marit-Solveig; Giraudeau, Jacques; Crosta, Xavier; Massé, Guillaume (2021): Concentrations and fluxes of the sea-ice biomarkers 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane (IP25) and highly branched isoprenoid triene (HBI III) from marine sediment core AMD14-204_CASQ. PANGAEA, https://doi.org/10.1594/PANGAEA.929451
Limoges, Audrey; Weckström, Kaarina; Ribeiro, Sofia; Georgiadis, Eleanor; Hansen, Katrine Elnegaard; Martinez, Philippe; Seidenkrantz, Marit-Solveig; Giraudeau, Jacques; Crosta, Xavier; Massé, Guillaume (2021): Total sedimentary organic carbon and nitrogen analyses from marine sediment core AMD14-204_CASQ. PANGAEA, https://doi.org/10.1594/PANGAEA.928598
Coverage:
Latitude: 73.261050 * Longitude: -57.899780
Date/Time Start: 2014-07-28T00:00:00 * Date/Time End: 2014-07-28T00:00:00
Minimum DEPTH, sediment/rock: 0.035 m * Maximum DEPTH, sediment/rock: 7.155 m
Event(s):
AMD14-204_CASQ * Latitude: 73.261050 * Longitude: -57.899780 * Date/Time: 2014-07-28T00:00:00 * Elevation: -987.0 m * Recovery: 7.34 m * Campaign: AMD14_1b (ArcticNet) * Basis: CCGS Amundsen * Method/Device: Calypso square corer (CASQ)
Comment:
Fluxes are calculated as follows:
Concentrations (valves/g) x sediment density derived from CT-Scan (HU) x accumulation rate (cm/yr).
To avoid confusion, fluxes are expressed as valves per unit of surface area per year in the paper.
Trends can be compared, but flux values should not be directly compared with fluxes expressed with other units (e.g., valves/cm²/yr).
#0: low counts
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Limoges, Audrey | Geocode | |
| 2 | AGE | Age | ka BP | Limoges, Audrey | Geocode | |
| 3 | Age, error | Age e | ± | Limoges, Audrey | ||
| 4 | Diatoms, pelagic | Diatom pel | % | Limoges, Audrey | Calculated | summer subsurface |
| 5 | Diatoms, sea-ice | Diatom sea-ice | % | Limoges, Audrey | Calculated | marginal ice zone |
| 6 | Diatoms, sea-ice | Diatom sea-ice | % | Limoges, Audrey | Calculated | drift-ice/pack-ice |
| 7 | Diatom valves, per unit sediment mass | Diatom valv/sed | #/g | Limoges, Audrey | Calculated | |
| 8 | Chaetoceros spp. resting spores per unit sediment mass | Chaetoceros spp. rs/sed | #/g | Limoges, Audrey | Calculated | |
| 9 | Diatoms | Diatoms | #/g | Limoges, Audrey | Calculated | valves and spores |
| 10 | Diatoms, valves, flux | Diatom valv flux | arbitrary units | Limoges, Audrey | Calculated | (#*HU*cm)/(g*a) |
| 11 | Chaetoceros, spores, flux | Chaetoceros spore flux | arbitrary units | Limoges, Audrey | Calculated | (#*HU*cm)/(g*a) |
| 12 | Diatoms, total, flux | Diatom tot flux | arbitrary units | Limoges, Audrey | Calculated | (#*HU*cm)/(g*a) |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
749 data points