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De Schepper, Stijn; Beck, Kristina Marie; Mangerud, Gunn; Schreck, Michael; Matthiessen, Jens (2015): Late Miocene and Pliocene dinoflagellate cysts, acritarchs and terrestrial palynomorphs from ODP Hole 642B, Vøring Plateau, Norwegian Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.846838, Supplement to: De Schepper, Stijn; Schreck, Michael; Beck, Kristina Marie; Matthiessen, Jens; Fahl, Kirsten; Mangerud, Gunn (2015): Early Pliocene onset of modern Nordic Seas circulation related to ocean gateway changes. Nature Communications, 6, 8659, https://doi.org/10.1038/ncomms9659

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Abstract:
The globally warm climate of the early Pliocene gradually cooled from 4 million years ago, synchronous with decreasing atmospheric CO2 concentrations. In contrast, palaeoceanographic records indicate that the Nordic Seas cooled during the earliest Pliocene, before global cooling. However, a lack of knowledge regarding the precise timing of Nordic Seas cooling has limited our understanding of the governing mechanisms. Here, using marine palynology, we show that cooling in the Nordic Seas was coincident with the first trans-Arctic migration of cool-water Pacific mollusks around 4.5 million years ago, and followed by the development of a modern-like Nordic Seas surface circulation. Nordic Seas cooling precedes global cooling by 500,000 years; as such, we propose that reconfiguration of the Bering Strait and Central American Seaway triggered the development of a modern circulation in the Nordic Seas, which is essential for North Atlantic Deep Water formation and a precursor for more widespread Greenland glaciation in the late Pliocene.
Project(s):
Coverage:
Latitude: 67.225000 * Longitude: 2.928300
Date/Time Start: 1985-06-28T14:40:00 * Date/Time End: 1985-06-29T20:15:00
Minimum DEPTH, sediment/rock: 64.54 m * Maximum DEPTH, sediment/rock: 94.95 m
Event(s):
104-642B * Latitude: 67.225000 * Longitude: 2.928300 * Date/Time Start: 1985-06-28T14:40:00 * Date/Time End: 1985-06-29T20:15:00 * Elevation: -1294.0 m * Penetration: 221.1 m * Recovery: 214.61 m * Location: Norwegian Sea * Campaign: Leg104 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 25 cores; 221.1 m cored; 0 m drilled; 97.1 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Impagidinium sp.Impagidinium sp.#De Schepper, Stijnsp. 1 of De Schepper and Head (2009, doi:10.1080/01916122.2009.9989673)
2Sample code/labelSample labelDe Schepper, StijnODP sample designation
3DEPTH, sediment/rockDepthmDe Schepper, StijnGeocode – mbsf
4AGEAgeka BPDe Schepper, StijnGeocode
5Age, minimum/youngAge minkaDe Schepper, Stijn
6Age, maximum/oldAge maxkaDe Schepper, Stijn
7Dry massDry mgDe Schepper, Stijn
8Lycopodium tabletsLyc.tabN#De Schepper, Stijnbatch number 483216
9Lycopodium clavatum spores per tabletL. clavatum spores per tablet#De Schepper, Stijn
10Lycopodium clavatum, standard deviationL. clavatum std dev±De Schepper, Stijn
11Lycopodium clavatum markers countedL. clavatum markers counted#De Schepper, Stijn
12Achomosphaera andalousiensis andalousiensisA. andalousiensis andalousiensis#De Schepper, Stijn
13Achomosphaera andalousiensis suttonensisA. andalousiensis suttonensis#De Schepper, Stijn
14Amiculosphaera umbraculumA. umbraculum#De Schepper, Stijn
15Ataxiodinium choaneA. choane#De Schepper, Stijn
16Ataxiodinium confusumA. confusum#De Schepper, Stijn
17Ataxiodinium sp.Ataxiodinium sp.#De Schepper, StijnAtaxiodinium? sp. A
18Ataxiodinium zevenboomiiA. zevenboomii#De Schepper, Stijn
19Ataxiodinium spp.Ataxiodinium spp.#De Schepper, Stijnindeterminate
20Barssidinium graminosumB. graminosum#De Schepper, Stijn
21Barssidinium pliocenicumB. pliocenicum#De Schepper, Stijn
22Barssidinium sp.Barssidinium sp.#De Schepper, Stijnindeterminate
23Batiacasphaera micropapillata complexB. micropapillata compl#De Schepper, Stijn
24Batiacasphaera minutaB. minuta#De Schepper, Stijns.s.
25Batiacasphaera hirsutaB. hirsuta#De Schepper, Stijn
26Batiacasphaera sphaericaB. sphaerica#De Schepper, Stijn
27Batiacasphaera spp.Batiacasphaera spp.#De Schepper, StijnBatiacasphaera/Pyxidinopsis spp. indeterminate
28Bitectatodinium raedwaldiiB. raedwaldii#De Schepper, Stijn
29Bitectatodinium? serratumB.? serratum#De Schepper, Stijn
30Bitectatodinium sp.Bitectatodinium sp.#De Schepper, Stijnsp. A
31Bitectatodinium spp.Bitectatodinium spp.#De Schepper, Stijnindeterminate
32Bitectatodinium tepikienseB. tepikiense#De Schepper, Stijn
33Brigantedinium spp.Brigantedinium spp.#De Schepper, Stijnindeterminate
34Cerebrocysta? namocensisC.? namocensis#De Schepper, Stijn
35Cerebrocysta poulseniiC. poulsenii#De Schepper, Stijn
36Corrudinium devernaliaeC. devernaliae#De Schepper, Stijn
37Corrudinium harlandiiC. harlandii#De Schepper, Stijn
38Corrudinium? labradoriC.? labradori#De Schepper, Stijn
39Cristadinium diminutivumC. diminutivum#De Schepper, Stijn
40Dapsilidinium pseudocolligerumD. pseudocolligerum#De Schepper, Stijn
41Desotodinium wrenniiD. wrennii#De Schepper, Stijn
42Echinidinium spp.Echinidinium spp.#De Schepper, Stijnindeterminate
43Filisphaera filifera filiferaF. filifera filifera#De Schepper, Stijn
44Filisphaera filifera pilosaF. filifera pilosa#De Schepper, Stijn
45Filisphaera microornataF. microornata#De Schepper, Stijn
46Filisphaera spp.Filisphaera spp.#De Schepper, Stijnindeterminate
47Habibacysta tectataH. tectata#De Schepper, Stijn
48Heteraulacacysta sp.Heteraulacacysta sp.#De Schepper, Stijnsp. A of Costa and Dowie (1979)
49Hystrichokolpoma rigaudiaeH. rigaudiae#De Schepper, Stijn
50Impagidinium aculeatumI. aculeatum#De Schepper, Stijn
51Impagidinium pallidumI. pallidum#De Schepper, Stijn
52Impagidinium paradoxumI. paradoxum#De Schepper, Stijn
53Impagidinium patulumI. patulum#De Schepper, Stijn
54Impagidinium solidumI. solidum#De Schepper, Stijn
55Impagidinium sphaericumI. sphaericum#De Schepper, Stijn
56Impagidinium sp.Impagidinium sp.#De Schepper, Stijnsp. 1 of De Schepper and Head (2009, doi:10.1080/01916122.2009.9989673)
57Impagidinium sp.Impagidinium sp.#De Schepper, Stijnsp. 2 of De Schepper and Head (2009, doi:10.1080/01916122.2009.9989673)
58Impagidinium spp.Impagidinium spp.#De Schepper, Stijnindeterminate
59Impagidinium sp.Impagidinium sp.#De Schepper, StijnImpagidinium? sp. A
60Invertocysta lacrymosaI. lacrymosa#De Schepper, Stijn
61Invertocysta tabulataI. tabulata#De Schepper, Stijn
62Invertocysta sp.Invertocysta sp.#De Schepper, Stijnsp. I of de Vernal and Mudie (1989)
63Invertocysta spp.Invertocysta spp.#De Schepper, StijnInvertocysta/Amiculosphaera spp. indeterminate
64Labyrinthodinium truncatumL. truncatum#De Schepper, Stijn
65Lejeunecysta catomusL. catomus#De Schepper, Stijn
66Lejeunecysta hatterasensisL. hatterasensis#De Schepper, Stijn
67Lejeunecysta spp.Lejeunecysta spp.#De Schepper, Stijnindeterminate
68Lingulodinium machaerophorumL. machaerophorum#De Schepper, Stijn
69Melitasphaeridium sp. cf. M. choanophorumMelitasphaeridium sp. cf. M. choanophoru#De Schepper, Stijn
70Melitasphaeridium choanophorumM. choanophorum#De Schepper, Stijn
71Melitasphaeridium sp.Melitasphaeridium sp.#De Schepper, Stijnsp. A of De Schepper and Head (2008, doi:10.1017/S1477201907002167)
72Nematosphaeropsis labyrinthusN. labyrinthus#De Schepper, Stijn
73Nematosphaeropsis lativittataN. lativittata#De Schepper, Stijn
74Nematosphaeropsis spp.Nematosphaeropsis spp.#De Schepper, Stijnindeterminate
75Protoceratium reticulatumP. reticulatum#De Schepper, StijnCountingcysts of Protoceratium reticulatum (previously known as Operculodinium centrocarpum sensu Wall and Dale (1966))
76Operculodinium centrocarpumO. centrocarpum#De Schepper, StijnOperculodinium centrocarpum/israelianum
77Operculodinium? eirikianum var. crebrumO.? eirikianum var. crebrum#De Schepper, Stijn
78Operculodinium? eirikianum var. eirikianumO.? eirikianum var. eirikianum#De Schepper, Stijn
79Operculodinium janducheneiO. janduchenei#De Schepper, Stijn
80Operculodinium sp.Operculodinium sp.#De Schepper, Stijnsp. 1 of Louwye et al. (2004, doi:10.1017/S0016756804009136)
81Operculodinium tegillatumO. tegillatum#De Schepper, Stijn
82Operculodinium spp.Operculodinium spp.#De Schepper, Stijnindeterminate
83Pentapharsodinium daleiP. dalei#De Schepper, StijnCounting, palynologycysts
84Pyxidinopsis braboiP. braboi#De Schepper, Stijn
85Pyxidinopsis sp.Pyxidinopsis sp.#De Schepper, Stijnsp. A
86Pyxidinopsis vesiculataP. vesiculata#De Schepper, Stijn
87Pyxidinopsis spp.Pyxidinopsis spp.#De Schepper, Stijn
88Reticulatosphaera actinocoronataR. actinocoronata#De Schepper, Stijn
89Dinoflagellate cystDinofl cyst#De Schepper, Stijnround brown cysts
90Selenopemphix armageddonensisS. armageddonensis#De Schepper, Stijn
91Selenopemphix brevispinosaS. brevispinosa#De Schepper, Stijn
92Selenopemphix dionaeacystaS. dionaeacysta#De Schepper, Stijn
93Selenopemphix nephroidesS. nephroides#De Schepper, Stijn
94Selenopemphix quantaS. quanta#De Schepper, Stijn
95Selenopemphix spp.Selenopemphix spp.#De Schepper, Stijnindeterminate
96Spiniferites elongatusS. elongatus#De Schepper, Stijn
97Spiniferites membranaceusS. membranaceus#De Schepper, Stijn
98Spiniferites mirabilisS. mirabilis#De Schepper, StijnSpiniferites mirabilis/hyperacanthus
99Spiniferites spp.Spiniferites spp.#De Schepper, StijnSpiniferites/Achomosphaera spp. indeterminate
100Spiniferites sp.Spiniferites sp.#De Schepper, Stijnsp. A of Louwye and De Schepper (2010, doi:10.1017/S0016756804009136)
101Tectatodinium pellitumT. pellitum#De Schepper, Stijn
102Trinovantedinium variabileT. variabile#De Schepper, Stijn
103Trinovantedinium glorianumT. glorianum#De Schepper, Stijn
104Trinovantedinium spp.Trinovantedinium spp.#De Schepper, Stijn
105Tuberculodinium vancampoaeT. vancampoae#De Schepper, Stijn
106Dinoflagellate cystDinofl cyst#De Schepper, Stijnindeterminate
107Dinoflagellate cystDinofl cyst#De Schepper, Stijnsum
108Dinoflagellate cyst per unit massDinofl cyst#/gDe Schepper, Stijncysts per gram dry sediment
109Dinoflagellate cyst, errorDinofl cyst e±De Schepper, Stijnconcentration error, cysts per gram dry sediment.
110Dinoflagellate cyst, reworkedDinofl cyst rew#De Schepper, Stijn
111Cyclopsiella granosaC. granosa#De Schepper, Stijn
112Cymatiosphaera? aegiriiC.? aegirii#De Schepper, Stijn
113Cymatiosphaera? fensomeiC.? fensomei#De Schepper, Stijn
114Cymatiosphaera? icenorumC.? icenorum#De Schepper, Stijn
115Cymatiosphaera? invaginataC.? invaginata#De Schepper, Stijn
116Cymatiosphaera spp.Cymatiosphaera spp.#De Schepper, Stijnindeterminate
117Lavradosphaera canalisL. canalis#De Schepper, Stijn
118Lavradosphaera sp. cf. L. canalisL. sp. cf. L. canalis#De Schepper, Stijn
119Lavradosphaera cristaL. crista#De Schepper, Stijn
120Lavradosphaera luciferL. lucifer#De Schepper, Stijn
121Lavradosphaera sp.Lavradosphaera sp.#De Schepper, Stijnsp. 2 of Schreck et al. (2013, doi:10.1016/j.marmicro.2013.03.003)
122Lavradosphaera spp.Lavradosphaera spp.#De Schepper, Stijnindeterminate
123Leiosphaeridia rockhallensisL. rockhallensis#De Schepper, StijnLeiosphaeridia rockhallensis?
124Nannobarbophora walldaleiN. walldalei#De Schepper, Stijn
125CystsCysts#De Schepper, Stijntype 1 of de Vernal and Mudie (1989)
126Acritarcha indeterminataAcr indet#De Schepper, Stijnsmall spiny
127Acritarch sp.Acritarch sp.#De Schepper, Stijnsp. 1 of Head et al. (1989)
128Acritarch spp.Acritarch spp.#De Schepper, Stijnindeterminate
129AcritarchaAcr#De Schepper, Stijnsum
130Acritarcha per unit massAcr#/gDe Schepper, Stijnacritarchs per gram dry sediment
131Acritarcha, errorAcr e±De Schepper, Stijnconcentration error, acritarchs per gram dry sediment
132Pollen, bisaccatePollen bisaccate#De Schepper, Stijn
133Pollen, non-bisaccatePollen non-bisaccate#De Schepper, Stijn
134SporesSpo#De Schepper, Stijn
135TsugaTsu#De Schepper, Stijn
136Palynomorpha, terrestrialPalyn ter#De Schepper, Stijn
137Palynomorpha, terrestrialPalyn ter#/gDe Schepper, Stijngrains per gram dry sediment
138Palynomorpha, terrestrial, standard deviationPalyn ter std dev±De Schepper, Stijngrains per gram dry sediment
139PterospermellaPterospermella#De Schepper, Stijn
140BotryococcusBot#De Schepper, Stijn
141Gelasinicysta vangeeliiG. vangeelii#De Schepper, Stijn
142Debarya glyptospermaD. glyptosperma#De Schepper, Stijn
143TasmanitesTasmanites#De Schepper, Stijn
Size:
2564 data points

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