Worne, Savannah; Swann, George E A; Kender, Sev; Lacey, Jack H; Leng, Melanie J (2021): Silicic acid utilisation from IODP Site 323-U1343 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.933138, In: Worne, S et al. (2021): δ30Si diatom and diatom fossil assemblage data from IODP Site 323-U1343 between 0.6 and 1.2 Ma [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.933139
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Related to:
Worne, Savannah; Swann, George E A; Kender, Sev; Lacey, Jack H; Leng, Melanie J (submitted): Increased efficiency of the Bering Sea biological pump during the Mid-Pleistocene Transition. Paleoceanography and Paleoclimatology
Coverage:
Latitude: 57.556650 * Longitude: -175.816090
Date/Time Start: 2009-08-07T00:00:00 * Date/Time End: 2009-08-13T00:00:00
Minimum Elevation: -1952.0 m * Maximum Elevation: -1952.0 m
Event(s):
323-U1343 * Latitude: 57.556650 * Longitude: -175.816090 * Date/Time Start: 2009-08-07T00:00:00 * Date/Time End: 2009-08-13T00:00:00 * Elevation: -1952.0 m * Location: Bering Sea * Campaign: Exp323 (Bering Sea Paleoceanography) * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 135 cores; 1224.0 m cored, 96.5 % recovered;
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | AGE | Age | ka BP | Worne, Savannah | Geocode | |
| 2 | Size fraction | Size fraction | Worne, Savannah | |||
| 3 | δ30Si, silicic acid | δ30Si Si(OH)4 | ‰ | Worne, Savannah | Mass spectrometer, Thermo Finnigan, MAT 253 | large [20-38 µm] |
| 4 | Silicic acid utilisation, δ30Si(OH)4 | δ30Si(OH)4 utilisation | % | Worne, Savannah | derived from δ30Si | [δ30Si(OH)4 = 1.63] |
| 5 | Silicic acid utilisation, δ30Si(OH)4 | δ30Si(OH)4 utilisation | % | Worne, Savannah | derived from δ30Si | % relative to 0.605 Ma |
| 6 | Thalassiosira antarctica var. borealis, resting and vegetative spores | T. antarctica var. borealis rs vs | % | Worne, Savannah | Calculated | |
| 7 | Diatoms, other | Diatom oth | % | Worne, Savannah | Calculated | All other diatom species |
| 8 | Isotopic fractionation | ε | ‰ | Worne, Savannah | Fractionation factor | |
| 9 | Silicic acid utilisation, δ30Si(OH)4 | δ30Si(OH)4 utilisation | % | Worne, Savannah | derived from δ30Si | [δ30Si(OH)4 = 1.23] |
| 10 | Silicic acid utilisation, δ30Si(OH)4 | δ30Si(OH)4 utilisation | % | Worne, Savannah | derived from δ30Si | [δ30Si(OH)4 = 1.63] |
| 11 | Thalassiosira antarctica var. borealis, resting and vegetative spores | T. antarctica var. borealis rs vs | % | Worne, Savannah | Calculated | |
| 12 | Chaetoceros spp., resting and vegetative spores | Chaetoceros spp. rs vs | % | Worne, Savannah | Calculated | |
| 13 | Diatoms, other | Diatom oth | % | Worne, Savannah | Calculated | All other diatom species |
| 14 | Isotopic fractionation | ε | ‰ | Worne, Savannah | Fractionation factor | |
| 15 | Silicic acid utilisation, δ30Si(OH)4 | δ30Si(OH)4 utilisation | % | Worne, Savannah | derived from δ30Si | [δ?30Si(OH)4 = 1.23] |
| 16 | Silicic acid utilisation, δ30Si(OH)4 | δ30Si(OH)4 utilisation | % | Worne, Savannah | derived from δ30Si | [δ30Si(OH)4 = 1.63] |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
840 data points