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Eynaud, Frédérique (2011): Planktonic foraminifera and microfossil composition of IODP Hole 302-M0004C. PANGAEA, https://doi.org/10.1594/PANGAEA.788078, Supplement to: Eynaud, F (2011): Planktonic foraminifera in the Arctic: a paleoceanographic view. IOP Conference Series: Earth and Environmental Science, 14, 1-12, https://doi.org/10.1088/1755-1315/14/1/012005

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Abstract:
Calcareous microfossils are widely used by paleoceanographers to investigate past sea-surface hydrology. Among these microfossils, planktonic foraminifera are probably the most extensively used tool (e.g. [1] for a review), as they are easy to extract from the sediment and can also be used for coupled geochemical (e.g; d18O, d13C, Mg/Ca) and paleo-ecological investigations. Planktonic foraminifera are marine protists, which build a calcareous shell made of several chambers which reflect in their chemistry the properties of the ambient water-masses. Planktonic foraminifera are known to thrive in various habitats, distributed not only along a latitudinal gradient, but also along different water-depth intervals within surface waters (0-1000 m). Regarding their biogeographical distribution, planktonic foraminifera assemblages therefore mirror different water-masses properties, such as temperature, salinity and nutrient content of the surface water in which they live. The investigation of the specific composition of a fossil assemblage (relative abundances) is therefore a way to empirically obtain (paleo)information on past variations of sea-surface hydrological parameters. This paper focuses on the planktonic foraminifera record from the Arctic domain. This polar region records peculiar sea-surface conditions, with the influence of nearly perennial sea-ice cover development. This has strong impact on living foraminifera populations and on the preservation of their shells in the underlying sediments.
Related to:
Cronin, Thomas M; Smith, Shannon A; Eynaud, Frédérique; O'Regan, Matthew; King, John W (2008): Quaternary paleoceanography of the central Arctic based on Integrated Ocean Drilling Program Arctic Coring Expedition 302 foraminiferal assemblages. Paleoceanography, 23(1), PA1S18, https://doi.org/10.1029/2007PA001484
Eynaud, Frédérique; Cronin, Thomas M; Smith, Shannon A; Zaragosi, Sebastien; Mavel, J; Mary, Yannick; Mas, Virginie; Pujol, Claude (2009): Morphological variability of the planktonic foraminifer Neogloboquadrina pachyderma from ACEX cores: implications for late Pleistocene circulation in the Arctic Ocean. Micropaleontology, 55(2-3), 101-116
Coverage:
Latitude: 87.867750 * Longitude: 136.189680
Date/Time Start: 2004-09-03T00:00:00 * Date/Time End: 2004-09-03T00:00:00
Minimum DEPTH, sediment/rock: 0.03 m * Maximum DEPTH, sediment/rock: 12.05 m
Event(s):
302-M0004C (ACEX-M4C) * Latitude: 87.867750 * Longitude: 136.189680 * Date/Time: 2004-09-03T00:00:00 * Elevation: -1287.9 m * Penetration: 37.33 m * Recovery: 25.6 m * Location: Arctic Ocean * Campaign: Exp302 (Arctic Coring Expedition, ACEX) * Basis: Vidar Viking * Device: Drilling/drill rig (DRILL)
Comment:
AGE, sediment [m] gives the original top mbsf of a sample. AGE [ka BP] is the oregan age (11-30-06) fichier Shannon.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Sample code/labelSample labelEynaud, FrédériqueODP sample designation
2DEPTH, sediment/rockDepthmGeocode
3Depth, composite topDepth c topmcdEynaud, FrédériqueIntercore correlationoriginal
4Depth, composite topDepth c topmcdEynaud, FrédériqueIntercore correlationfichier Shannon
5Depth, compositeDepth compmcdEynaud, FrédériqueIntercore correlationnew, fichier Shannon
6AGEAgeka BPGeocode
7VolumeVolcm3Eynaud, Frédériqueoriginal
8Wet massWet mgEynaud, Frédérique
9Dry massDry mgEynaud, Frédérique
10VolumeVolcm3Eynaud, Frédérique
11Size fraction > 0.125 mm>125 µmgEynaud, FrédériqueGrain size, sieving
12Size fraction > 0.400 mm>400 µmgEynaud, FrédériqueGrain size, sieving
13Size fraction > 0.125 mm>125 µm%Eynaud, FrédériqueGrain size, sievingdry sediment
14Size fraction > 0.400 mm>400 µm%Eynaud, FrédériqueGrain size, sievingdry sediment
15RatioRatioEynaud, FrédériqueGrain size, sieving>400 µm/>125 µm dry sediment
16Neogloboquadrina pachyderma sinistralN. pachyderma s#Eynaud, FrédériqueCounting >125 µm fraction# = raw counts in sample
17Neogloboquadrina pachyderma dextralN. pachyderma d#Eynaud, FrédériqueCounting >125 µm fraction
18Neogloboquadrina atlanticaN. atlantica#Eynaud, FrédériqueCounting >125 µm fraction
19Globigerina quinquelobaG. quinqueloba#Eynaud, FrédériqueCounting >125 µm fractionG. (= Turborotalita) quinqueloba
20Globigerina bulloidesG. bulloides#Eynaud, FrédériqueCounting >125 µm fraction
21Foraminifera, planktic, otherForam plankt oth#Eynaud, FrédériqueCounting >125 µm fraction
22Foraminifera, plankticForam plankt#Eynaud, FrédériqueCounting >125 µm fractiontotal
23SplitSplitEynaud, FrédériqueCounting >125 µm fraction
24Foraminifera, plankticForam plankt#/gEynaud, FrédériqueCounting >125 µm fraction
25Neogloboquadrina pachyderma sinistralN. pachyderma s%Eynaud, FrédériqueCounting >125 µm fraction
26Neogloboquadrina pachyderma dextralN. pachyderma d%Eynaud, FrédériqueCounting >125 µm fraction
27Neogloboquadrina atlanticaN. atlantica%Eynaud, FrédériqueCounting >125 µm fraction
28Globigerina quinquelobaG. quinqueloba%Eynaud, FrédériqueCounting >125 µm fractionG. (= Turborotalita) quinqueloba
29Globigerina bulloidesG. bulloides%Eynaud, FrédériqueCounting >125 µm fraction
30Foraminifera, planktic, otherForam plankt oth%Eynaud, FrédériqueCounting >125 µm fraction
31Neogloboquadrina pachyderma sinistralN. pachyderma s#Eynaud, FrédériqueCounting >125 µm fractionclassical NPSM1
32Neogloboquadrina pachyderma sinistralN. pachyderma s#Eynaud, FrédériqueCounting >125 µm fractionmorpho1 NPSM2
33Neogloboquadrina pachyderma sinistralN. pachyderma s#Eynaud, FrédériqueCounting >125 µm fractionmorpho2 NPSM3
34Neogloboquadrina pachyderma sinistralN. pachyderma s#Eynaud, FrédériqueCounting >125 µm fractionmorpho3 NPSM4
35Neogloboquadrina pachyderma sinistralN. pachyderma s#Eynaud, FrédériqueCounting >125 µm fractionmorpho4 type incompta NPSM5
36Neogloboquadrina pachyderma dextralN. pachyderma d#Eynaud, FrédériqueCounting >125 µm fractionclassical NPDM1
37Neogloboquadrina pachyderma dextralN. pachyderma d#Eynaud, FrédériqueCounting >125 µm fractionmorpho1 type incompta NPDM2
38Neogloboquadrina pachydermaN. pachyderma#Eynaud, FrédériqueCounting >125 µm fractiontotal
39Neogloboquadrina pachyderma sinistralN. pachyderma s%Eynaud, FrédériqueCounting >125 µm fractionclassical NPSM1
40Neogloboquadrina pachyderma sinistralN. pachyderma s%Eynaud, FrédériqueCounting >125 µm fractionmorpho1 NPSM2
41Neogloboquadrina pachyderma sinistralN. pachyderma s%Eynaud, FrédériqueCounting >125 µm fractionmorpho2 NPSM3
42Neogloboquadrina pachyderma sinistralN. pachyderma s%Eynaud, FrédériqueCounting >125 µm fractionmorpho3 NPSM4
43Neogloboquadrina pachyderma sinistralN. pachyderma s%Eynaud, FrédériqueCounting >125 µm fractionmorpho4 type incompta NPSM5
44Neogloboquadrina pachyderma dextralN. pachyderma d%Eynaud, FrédériqueCounting >125 µm fractionclassical NPDM1
45Neogloboquadrina pachyderma dextralN. pachyderma d%Eynaud, FrédériqueCounting >125 µm fractionmorpho1 type incompta NPDM2
46Neogloboquadrina pachydermaN. pachyderma%Eynaud, FrédériqueCounting >125 µm fractiontotal
47Morphotypes numberMorphotypes No#Eynaud, FrédériqueCounting >125 µm fraction
48Foraminifera, benthicForam bent#Eynaud, FrédériqueCounting >125 µm fraction#0 = barren
49Foraminifera, benthicForam bent#/gEynaud, Frédérique
50PteropodaPteropodaEynaud, Frédérique
51Echinoidea, spinesEchinoidea spinEynaud, Frédérique
52CommentCommentEynaud, Frédérique
53Comment 2 (continued)Comm 2Eynaud, Frédérique
Size:
3709 data points

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