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Martínez, José Ignacio; De Deckker, Patrick; Chivas, Allan R (1997): Stable oxygen and carbon isotope ratios of Globigerinoides sacculifer of ODP Hole 134-828A from the Southwest Pacific (Table 2) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.690363, Supplement to: Martínez, JI et al. (1997): New estimates for salinity changes in the Western Pacific Warm Pool during the Last Glacial Maximum: oxygen-isotope evidence. Marine Micropaleontology, 32(3-4), 311-340, https://doi.org/10.1016/S0377-8398(97)00029-7

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Abstract:
Oxygen-isotope analyses of planktonic foraminifera from 57 western Pacific deep-sea cores are compared for the Holocene and the Last Glacial Maximum (LGM). Carbonate dissolution, sedimentation rates/bioturbation, sample density, and vital effects are assessed before the sea-surface salinity signal of these records is reconstructed. Average glacial-interglacial Delta delta18O values in the western Pacific are found to be close to those in the Atlantic Ocean (1.76 ‰ in the Pacific compared to 1.80 ‰ in the Atlantic), questioning previous suggestions of a larger salinity difference between the Atlantic and the Pacific oceans during the LGM. During the LGM, sea-surface salinity was higher in the western Pacific than today (by >~1 ‰), implying that evaporation minus precipitation was higher all over the region. The minimum change in sea-surface salinity occurred around the equator at the core of the Western Pacific Warm Pool. Holocene high-amplitude, high-frequency fluctuations in planktonic delta18O records north and south of the present limits of the Western Pacific Warm Pool are indicative of sea-surface temperature and/or sea-surface salinity variations related to its expansion and contraction at the scale of thousands of years. Such high-amplitude, high-frequency fluctuations at the edge of the WPWP are best documented in the delta18O signal of ODP Hole 828A offshore Vanuatu, so far the best high-resolution record for the western Pacific.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: -15.288000 * Longitude: 166.284000
Date/Time Start: 1990-10-25T11:00:00 * Date/Time End: 1990-10-26T21:30:00
Minimum DEPTH, sediment/rock: 0.45 m * Maximum DEPTH, sediment/rock: 61.62 m
Event(s):
134-828A * Latitude: -15.288000 * Longitude: 166.284000 * Date/Time Start: 1990-10-25T11:00:00 * Date/Time End: 1990-10-26T21:30:00 * Elevation: -3098.0 m * Penetration: 111.4 m * Recovery: 101.34 m * Location: Coral Sea * Campaign: Leg134 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 15 cores; 111.4 m cored; 0 m drilled; 91 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 DEPTH, sediment/rockDepth sedmGeocode
2 Sample code/labelSample labelMartínez, José IgnacioDSDP/ODP/IODP sample designation
3 Globigerinoides sacculifer, δ18OG. sacculifer δ18O‰ PDBMartínez, José IgnacioMass spectrometer Finnigan MAT 2514-10 specimens of total weight c. 200 mg, 150-250 µm fraction
4 Globigerinoides sacculifer, δ13CG. sacculifer δ13C‰ PDBMartínez, José IgnacioMass spectrometer Finnigan MAT 2514-10 specimens of total weight c. 200 mg, 150-250 µm fraction
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
657 data points

Data

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

1 
Depth sed [m]		2 
Sample label		3 
G. sacculifer δ18O [‰ PDB]		4 
G. sacculifer δ13C [‰ PDB]
0.45134-828A-1H-1,44-2.411.82
1.07134-828A-1H-1,106-2.020.14
1.57134-828A-1H-2,7-2.150.54
1.57134-828A-1H-2,7-2.111.12
2.01134-828A-1H-2,57-2.050.93
2.65134-828A-1H-2,115-2.430.75
3.20134-828A-1H-3,21-1.961.31
3.82134-828A-1H-3,83-2.350.73
4.49134-828A-2H-1,10-2.41-0.04
4.87134-828A-2H-1,48-1.970.02
5.09134-828A-2H-1,70-1.920.21
5.29134-828A-2H-1,90-1.880.50
5.49134-828A-2H-1,110-1.690.53
5.49134-828A-2H-1,110-1.710.51
5.69134-828A-2H-1,130-1.580.43
5.91134-828A-2H-2,2-1.530.59
6.09134-828A-2H-2,20-1.500.23
6.29134-828A-2H-2,40-1.470.83
6.48134-828A-2H-2,59-1.210.62
6.69134-828A-2H-2,80-1.560.19
6.89134-828A-2H-2,100-1.460.25
7.10134-828A-2H-2,121-1.460.21
7.29134-828A-2H-2,140-1.160.46
7.49134-828A-2H-3,10-1.24-0.20
7.69134-828A-2H-3,30-1.360.40
7.88134-828A-2H-3,49-1.230.82
8.09134-828A-2H-3,70-1.290.00
8.29134-828A-2H-390-1.080.09
8.49134-828A-2H-3,110-0.970.49
8.69134-828A-2H-3,130-0.950.19
8.88134-828A-2H-3,149-1.020.57
9.09134-828A-2H-4,20-0.760.77
9.09134-828A-2H-4,20-0.610.21
9.29134-828A-2H-4,40-0.840.54
9.49134-828A-2H-4,60-0.810.09
9.69134-828A-2H-4,80-0.950.05
9.89134-828A-2H-4,100-0.660.42
10.09134-828A-2H-4,120-0.120.62
10.42134-828A-2H-5,3-0.720.62
10.60134-828A-2H-5,21-0.830.29
10.60134-828A-2H-5,21-0.760.69
10.80134-828A-2H-5,41-0.790.74
10.99134-828A-2H-5,60-1.220.31
11.19134-828A-2H-5,80-0.920.95
11.40134-828A-2H-5,101-0.58-0.02
11.60134-828A-2H-5,121-0.470.60
11.80134-828A-2H-5,141-0.680.66
12.02134-828A-2H-6,13-0.330.57
12.20134-828A-2H-6,31-0.440.52
12.38134-828A-2H-6,49-0.371.11
12.79134-828A-2H-6,90-0.870.49
13.00134-828A-2H-6,111-0.840.47
13.20134-828A-2H-6,131-0.750.38
13.42134-828A-2H-7,3-0.570.46
13.62134-828A-2H-7,23-0.710.73
13.80134-828A-2H-7,41-1.100.55
14.09134-828A-3H-1,20-0.86-0.03
14.29134-828A-3H-1,40-0.650.38
14.49134-828A-3H-1,60-0.451.22
14.69134-828A-3H-1,80-0.680.96
14.89134-828A-3H-1,100-0.530.85
15.09134-828A-3H-1,120-0.900.58
15.29134-828A-3H-1,140-0.580.95
15.59134-828A-3H-2,20-0.711.01
15.79134-828A-3H-2,40-0.650.69
15.99134-828A-3H-2,60-0.490.94
16.19134-828A-3H-2,80-0.841.37
16.39134-828A-3H-2,100-0.780.63
16.59134-828A-3H-2,120-0.770.84
16.79134-828A-3H-2,140-0.600.80
17.09134-828A-3H-3,20-0.860.64
17.29134-828A-3H-3,40-0.660.98
17.49134-828A-3H-3,60-0.820.38
17.69134-828A-3H-3,80-0.790.93
17.89134-828A-3H-3,100-1.291.16
18.09134-828A-3H-3,120-1.000.55
18.29134-828A-3H-3,140-0.821.10
18.59134-828A-3H-4,20-1.021.38
18.79134-828A-3H-4,40-1.131.12
18.99134-828A-3H-4,60-1.060.85
19.19134-828A-3H-4,80-1.180.47
19.39134-828A-3H-4,100-0.900.87
19.59134-828A-3H-4,120-1.070.97
19.79134-828A-3H-4,140-1.330.36
20.09134-828A-3H-5,120-1.120.57
20.09134-828A-3H-5,20-0.660.62
20.29134-828A-3H-5,40-0.990.87
20.49134-828A-3H-5,60-1.360.63
20.69134-828A-3H-5,80-1.15-0.01
20.89134-828A-3H-5,100-1.080.99
21.29134-828A-3H-5,140-1.250.60
21.59134-828A-3H-6,20-1.060.75
21.79134-828A-3H-6,40-1.100.69
21.99134-828A-3H-6,60-0.960.58
22.39134-828A-3H-6,100-1.170.40
22.59134-828A-3H-6,120-1.350.82
22.79134-828A-3H-6,140-0.940.63
23.09134-828A-3H-7,20-0.900.52
23.29134-828A-3H-7,40-0.741.16
23.48134-828A-3H-7,60-1.251.28
23.63134-828A-4H-1,23-1.081.20
23.79134-828A-4H-1,40-0.991.13
23.99134-828A-4H-1,60-1.130.78
24.19134-828A-4H-1,80-1.140.94
24.39134-828A-4H-1,100-1.001.16
24.59134-828A-4H-1,120-1.390.99
24.79134-828A-4H-1,140-1.160.45
25.09134-828A-4H-2,20-1.091.15
25.29134-828A-4H-2,40-0.930.59
25.49134-828A-4H-2,60-0.931.05
25.69134-828A-4H-2,80-1.180.77
25.89134-828A-4H-2,100-1.240.68
26.09134-828A-4H-2,120-1.040.45
26.29134-828A-4H-2,140-1.240.46
26.59134-828A-4H-3,20-1.170.65
26.79134-828A-4H-3,40-1.051.39
26.99134-828A-4H-3,60-1.120.13
27.19134-828A-4H-3,80-1.240.49
27.39134-828A-4H-3,100-1.210.80
27.59134-828A-4H-3,120-1.190.80
27.79134-828A-4H-3,140-1.190.81
28.09134-828A-4H-4,20-1.190.20
28.29134-828A-4H-4,40-1.050.28
28.49134-828A-4H-4,60-1.180.88
28.69134-828A-4H-4,80-1.330.36
28.89134-828A-4H-4,100-1.20-0.01
29.09134-828A-4H-4,120-1.000.35
29.29134-828A-4H-4,140-1.470.59
29.59134-828A-4H-5,20-0.900.58
29.79134-828A-4H-5,40-1.050.59
29.99134-828A-4H-5,60-1.070.04
30.19134-828A-4H-5,80-1.220.49
30.19134-828A-4H-5,80-0.950.63
30.39134-828A-4H-5,100-0.841.06
30.59134-828A-4H-5,120-1.050.31
30.59134-828A-5H-4,120-1.640.48
30.70134-828A-4H-5,140-1.211.08
31.09134-828A-4H-6,20-1.480.65
31.29134-828A-4H-6,40-1.220.98
31.49134-828A-4H-6,60-1.160.61
31.69134-828A-4H-6,80-1.250.43
31.89134-828A-4H-6,100-1.290.91
32.09134-828A-4H-6,120-1.340.21
32.29134-828A-4H-6,140-1.300.81
32.29134-828A-5H-7,40-1.660.41
32.59134-828A-4H-7,20-1.420.77
32.79134-828A-4H-7,40-1.601.30
33.02134-828A-4H-CC,20-1.670.71
33.09134-828A-5H-1,20-1.430.61
33.29134-828A-5H-1,40-1.320.82
33.52134-828A-5H-1,63-1.501.23
33.69134-828A-5H-1,80-1.661.13
33.84134-828A-5H-1,100-1.800.87
34.09134-828A-5H-1,120-1.691.00
34.29134-828A-5H-1,140-1.801.05
34.59134-828A-5H-2,10-1.570.69
34.79134-828A-5H-2,40-1.700.43
34.96134-828A-5H-2,57-1.860.80
35.19134-828A-5H-2,80-1.750.66
35.39134-828A-5H-2,100-1.550.64
35.59134-828A-5H-2,120-2.20-0.92
35.79134-828A-5H-2,140-1.700.52
36.09134-828A-5H-3,20-1.500.66
36.29134-828A-5H-3,40-1.670.78
36.49134-828A-5H-3,60-1.340.65
36.69134-828A-5H-3,80-1.501.15
36.89134-828A-5H-3,100-1.720.52
37.09134-828A-5H-3,120-1.710.56
37.29134-828A-5H-3,140-1.670.92
37.59134-828A-5H-4,20-1.300.64
37.79134-828A-5H-4,40-1.431.06
38.00134-828A-5H-4,60-1.670.59
38.19134-828A-5H-4,80-1.710.79
38.39134-828A-5H-4,100-1.460.59
38.59134-828A-5H-4,120-1.800.49
38.79134-828A-5H-4,140-1.620.76
39.09134-828A-5H-5,20-1.800.58
39.29134-828A-5H-5,40-2.010.07
39.49134-828A-5H-5,60-1.340.66
39.69134-828A-5H-5,80-1.76-0.05
39.89134-828A-5H-5,100-1.290.69
40.09134-828A-5H-5,120-1.671.39
40.29134-828A-5H-5,140-1.491.29
40.79134-828A-5H-6,40-2.48-0.09
40.99134-828A-5H-6,60-2.360.05
41.19134-828A-5H-6,80-1.651.03
41.39134-828A-5H-6,100-2.290.09
41.59134-828A-5H-6,120-2.050.66
42.07134-828A-5H-7,18-2.180.02
42.49134-828A-5H-7,60-1.950.22
42.76134-828A-5H-CC,20-1.260.39
42.95134-828A-6H-1,20-1.140.61
43.35134-828A-6H-2,20-0.550.29
43.75134-828A-6H-1,100-1.07-0.18
45.25134-828A-6H-2,100-0.920.13
45.95134-828A-6H-3,20-0.680.77
46.75134-828A-6H-3,100-0.61-0.01
47.40134-828A-6H-4,20-1.050.09
47.79134-828A-5H-6,140-2.020.40
48.20134-828A-6H-4,100-0.730.78
48.90134-828A-6H-5,20-0.970.23
49.70134-828A-6H-5,100-1.290.94
50.10134-828A-6H-6,17-0.870.49
51.10134-828A-6H-6,100-1.850.76
51.80134-828A-6H-7,20-1.540.37
52.27134-828A-6H-CC,20-2.18-0.11
52.65134-828A-7H-1,21-1.650.48
53.45134-828A-7H-1,103-2.010.30
54.15134-828A-7H-2,20-1.261.23
54.95134-828A-7H-2,101-1.090.85
55.65134-828A-7H-3,20-1.490.99
56.45134-828A-7H-3,100-1.781.04
57.15134-828A-7H-4,20-0.994.54
57.95134-828A-7H-4,100-1.811.21
58.65134-828A-7H-5,20-1.701.28
59.45134-828A-7H-5,101-1.450.58
60.15134-828A-7H-6,20-1.621.03
60.95134-828A-7H-6,111-0.730.90
61.62134-828A-7H-7,16-0.870.70