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Nagai, Renata Hanae; Alvarenga, Aislyn; Paladino, Ítalo Martins (2022): Relative abundances of planktonic foraminifera in sediment core NAP63-1 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.943200

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Abstract:
Here we present planktonic foraminifera species relative abundance obtained in marine sediment core NAP63-1 (24.8384°S, 44.3187°W, 842 m water depth, 224 cm sediment recovery) retrieved with the aid of a piston corer from the SW Atlantic upper slope. The data presented here was applied to infer SW Atlantic sea-surface conditions (temperature and productivity) over the last 50 kyr. Our results highlight that since MIS3 changes in the SW Atlantic surface conditions have been associated with changes in Brazil Current strength, as a response to Atlantic Meridional Overturning Circulation strength changes.
Keyword(s):
planktic foraminifera; relative abundance; South Altantic
Related to:
Alvarenga, Aislyn; Paladino, Ítalo Martins; Gerotto, Amanda; deMenocal, Peter B; Iwai, Fabiana S; Sousa, Silvia H M; Figueira, Rubens César Lopes; Mahiques, Michel Michaelovitch; Nagai, Renata Hanae (2022): S/SE Brazilian continental margin sea surface temperature and productivity changes over the last 50 kyr. Palaeogeography, Palaeoclimatology, Palaeoecology, 601, 111144, https://doi.org/10.1016/j.palaeo.2022.111144
Funding:
National Council for Scientific and Technological Development (CNPq), grant/award no. 409749/2016-8: The Atlantic meridional overturning circulation upper arm in the late Quaternary: a Southwest Atlantic view
Sao Paulo Research Foundation (FAPESP), grant/award no. 10/06147-5: Increase of the research capabilities in oceanography and related sciences in São Paulo State, Brazil
Sao Paulo Research Foundation (FAPESP), grant/award no. 13/06965-8: The SW Atlantic during the Holocene - sea water temperature and salinity changes
Sao Paulo Research Foundation (FAPESP), grant/award no. 14/08266-2: Continental slope morphological features on the SE Brazilian Margin: active tectonics versus modern oceanographic conditions
Coverage:
Latitude: -24.838400 * Longitude: -44.318733
Date/Time Start: 2013-02-26T00:00:00 * Date/Time End: 2013-02-26T00:00:00
Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 1.24 m
Event(s):
NAP_63-1 * Latitude: -24.838400 * Longitude: -44.318733 * Date/Time: 2013-02-26T00:00:00 * Elevation: -842.0 m * Location: South Brazil Bight, Santos Basin * Campaign: AC07/02 * Basis: Alpha-Crucis * Method/Device: Piston corer (PC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DEPTH, sediment/rockDepth sedmNagai, Renata HanaeGeocode
AGEAgeka BPNagai, Renata HanaeGeocode
Candeina nitidaC. nitida%Nagai, Renata HanaeAbundance estimate
Globigerina bulloidesG. bulloides%Nagai, Renata HanaeAbundance estimate
Globigerina falconensisG. falconensis%Nagai, Renata HanaeAbundance estimate
Globigerinella calidaG. calida%Nagai, Renata HanaeAbundance estimate
Globigerinella siphoniferaG. siphonifera%Nagai, Renata HanaeAbundance estimate
Globigerinita glutinataG. glutinata%Nagai, Renata HanaeAbundance estimate
Globigerinoides conglobatusG. conglobatus%Nagai, Renata HanaeAbundance estimate
10 Globigerinoides ruber ruberG. ruber ruber%Nagai, Renata HanaeAbundance estimate
11 Globigerinoides ruber albusG. ruber albus%Nagai, Renata HanaeAbundance estimate
12 Trilobatus sacculiferT. sacculifer%Nagai, Renata HanaeAbundance estimateTrilobatus sacculifer sac
13 Trilobatus sacculiferT. sacculifer%Nagai, Renata HanaeAbundance estimateTrilobatus sacculifer wo sac
14 Globigerinoides tenellusG. tenellus%Nagai, Renata HanaeAbundance estimate
15 Globorotalia crassaformisG. crassaformis%Nagai, Renata HanaeAbundance estimate
16 Globorotalia exilisG. exilis%Nagai, Renata HanaeAbundance estimate
17 Globorotalia hirsutaG. hirsuta%Nagai, Renata HanaeAbundance estimate
18 Globorotalia inflataG. inflata%Nagai, Renata HanaeAbundance estimate
19 Globorotalia menardiiG. menardii%Nagai, Renata HanaeAbundance estimate
20 Globorotalia scitulaG. scitula%Nagai, Renata HanaeAbundance estimate
21 Globorotalia truncatulinoides dextralG. truncatulinoides d%Nagai, Renata HanaeAbundance estimate
22 Globorotalia truncatulinoides sinistralG. truncatulinoides s%Nagai, Renata HanaeAbundance estimate
23 Globorotalia ungulataG. ungulata%Nagai, Renata HanaeAbundance estimate
24 Globorotalia tumidaG. tumida%Nagai, Renata HanaeAbundance estimate
25 Globoturborotalita rubescensG. rubescens%Nagai, Renata HanaeAbundance estimate
26 Neogloboquadrina dutertreiN. dutertrei%Nagai, Renata HanaeAbundance estimate
27 Neogloboquadrina incomptaN. incompta%Nagai, Renata HanaeAbundance estimate
28 Neogloboquadrina pachydermaN. pachyderma%Nagai, Renata HanaeAbundance estimate
29 Neogloboquadrina spp.Neogloboquadrina spp.%Nagai, Renata HanaeAbundance estimate
30 Orbulina universaO. universa%Nagai, Renata HanaeAbundance estimate
31 Pulleniatina obliquiloculataP. obliquiloculata%Nagai, Renata HanaeAbundance estimate
32 Sphaeroidinella dehiscensS. dehiscens%Nagai, Renata HanaeAbundance estimate
33 Tenuitella iotaT. iota%Nagai, Renata HanaeAbundance estimate
34 Turborotalita humilisT. humilis%Nagai, Renata HanaeAbundance estimate
35 Beella digitataB. digitata%Nagai, Renata HanaeAbundance estimate
36 Turborotalita quinquelobaT. quinqueloba%Nagai, Renata HanaeAbundance estimate
37 Globigerinita minutaG. minuta%Nagai, Renata HanaeAbundance estimate
38 Globigerinita uvulaG. uvula%Nagai, Renata HanaeAbundance estimate
39 Foraminifera, planktic, fragmentsForam plankt fragm%Nagai, Renata HanaeAbundance estimate
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2257 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Depth sed [m]

Age [ka BP]

C. nitida [%]

G. bulloides [%]

G. falconensis [%]

G. calida [%]

G. siphonifera [%]

G. glutinata [%]

G. conglobatus [%]
10 
G. ruber ruber [%]
11 
G. ruber albus [%]
12 
T. sacculifer [%]
(Trilobatus sacculifer sac)
13 
T. sacculifer [%]
(Trilobatus sacculifer wo sac)
14 
G. tenellus [%]
15 
G. crassaformis [%]
16 
G. exilis [%]
17 
G. hirsuta [%]
18 
G. inflata [%]
19 
G. menardii [%]
20 
G. scitula [%]
21 
G. truncatulinoides d [%]
22 
G. truncatulinoides s [%]
23 
G. ungulata [%]
24 
G. tumida [%]
25 
G. rubescens [%]
26 
N. dutertrei [%]
27 
N. incompta [%]
28 
N. pachyderma [%]
29 
Neogloboquadrina spp. [%]
30 
O. universa [%]
31 
P. obliquiloculata [%]
32 
S. dehiscens [%]
33 
T. iota [%]
34 
T. humilis [%]
35 
B. digitata [%]
36 
T. quinqueloba [%]
37 
G. minuta [%]
38 
G. uvula [%]
39 
Foram plankt fragm [%]
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0.5830.8230.0013.251.820.780.007.530.266.4918.440.522.860.000.780.000.525.710.000.001.040.780.520.789.611.822.601.300.000.000.000.000.000.000.000.000.260.0022.34
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1.0444.6740.5718.183.690.850.008.240.006.2521.880.001.420.570.570.280.285.970.000.001.140.281.140.0013.922.561.701.420.000.280.570.001.990.000.000.850.000.005.40
1.0645.0540.004.681.441.440.369.350.367.9125.541.081.800.001.800.360.722.520.360.000.000.720.360.727.191.443.602.160.000.000.000.000.000.000.000.000.360.0023.74
1.0845.4620.0011.263.971.320.337.950.336.9525.830.661.990.003.310.000.991.320.000.000.660.661.320.664.640.330.991.660.000.330.000.000.000.000.000.330.330.0021.85
1.1045.9090.008.811.370.590.599.590.008.8127.011.372.350.000.980.000.591.170.000.200.590.780.000.206.460.780.981.170.000.000.000.000.000.000.000.000.590.0025.05
1.1246.3180.0011.953.160.410.008.520.558.5226.240.552.340.002.610.000.271.240.000.000.270.410.000.146.320.551.651.370.000.140.270.000.000.000.000.000.270.0022.25
1.1446.7740.0016.432.831.420.8512.460.005.1034.560.006.800.000.570.000.000.850.000.000.570.572.270.006.230.851.700.280.000.000.000.000.280.000.000.000.000.005.38
1.1647.2210.0010.993.220.800.276.170.0013.4023.861.071.880.000.800.000.272.950.000.000.001.341.610.275.901.612.953.220.000.270.270.000.000.000.000.000.270.0016.62
1.1847.6530.0010.463.490.440.2211.550.2210.2422.221.314.790.001.310.000.224.790.000.000.220.650.440.006.320.221.741.310.000.000.220.000.000.000.220.000.440.0016.99
1.2448.9891.059.121.052.111.059.120.705.6114.390.3511.230.350.350.000.702.110.000.003.160.707.720.0015.441.052.110.700.001.052.110.000.350.000.000.000.000.006.32