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Fuhr, Michael; Laukert, Georgi; Yu, Yang; Nürnberg, Dirk; Frank, Martin (2021): Neodymium isotopes and concentrations from water bottle samples measured during SONNE cruise SO264 along a transect from 7°S, 179°W to 52°N, 168°E (Equatorial and North Pacific) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.926650

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Abstract:
To identify the processes mainly controlling the Nd isotopic composition and concentration along a transect from the Equatorial to the North Pacific and to assess the suitability of Nd isotope compositions to trace water mass advection and mixing in this region, we collected filtered seawater samples from full water column profiles conducted along a transect from 7°S, 179°W to 52°N, 168°E. The samples were recovered during RV Sonne cruise SO264 in July and August 2018 using 24 non-metallic 10 litre Niskin bottles mounted on a frame equipped with a SBE 9plus CTD profiler (Sea-Bird Electronics Inc.) and two oxygen sensors (SBE 43 oxygen self-regenerative Clark-sensors with Teflon membrane). The dataset includes the dissolved radiogenic Nd isotope and concentration data of 57 seawater samples, which provide important information on the formation, advection and mixing of different water masses.
Keyword(s):
Neodymium isotopes; North Pacific Gyre; North Pacific Intermediate Water; water mass mixing; water mass tracing
Supplement to:
Fuhr, Michael; Laukert, Georgi; Yu, Yang; Nürnberg, Dirk; Frank, Martin (2021): Tracing Water Mass Mixing From the Equatorial to the North Pacific Ocean With Dissolved Neodymium Isotopes and Concentrations. Frontiers in Marine Science, 7, 603761, https://doi.org/10.3389/fmars.2020.603761
Coverage:
Median Latitude: 21.564936 * Median Longitude: 175.719121 * South-bound Latitude: -7.007680 * West-bound Longitude: 168.586200 * North-bound Latitude: 50.245030 * East-bound Longitude: -179.821420
Date/Time Start: 2018-07-02T20:35:00 * Date/Time End: 2018-08-13T10:22:00
Minimum DEPTH, water: 10 m * Maximum DEPTH, water: 5375 m
Event(s):
SO264_1-2  * Latitude: -7.007680 * Longitude: -179.821420 * Date/Time: 2018-07-02T20:35:00 * Elevation: -5328.0 m * Campaign: SO264 * Basis: Sonne_2 * Method/Device: CTD/Rosette (CTD-RO)
SO264_2-2  * Latitude: 1.783170 * Longitude: 179.611580 * Date/Time: 2018-07-04T21:12:00 * Elevation: -5616.0 m * Campaign: SO264 * Basis: Sonne_2 * Method/Device: CTD/Rosette (CTD-RO)
SO264_3-2  * Latitude: 4.509430 * Longitude: 179.133820 * Date/Time: 2018-07-05T14:11:00 * Elevation: -5684.0 m * Campaign: SO264 * Basis: Sonne_2 * Method/Device: CTD/Rosette (CTD-RO)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventNürnberg, Dirk
2 Station labelStationNürnberg, Dirk
3 Station labelStationNürnberg, Dirk
4 Latitude of eventLatitudeNürnberg, Dirk
5 Longitude of eventLongitudeNürnberg, Dirk
6 Date/Time of eventDate/TimeNürnberg, Dirk
7 DEPTH, waterDepth watermNürnberg, DirkGeocode
8 Oxygen, dissolvedDOml/lNürnberg, DirkOxygen sensor, SBE 43
9 Density, sigma-theta (0)Sigma-thetakg/m3Nürnberg, DirkCTD, SEA-BIRD SBE 9 plus
10 Temperature, water, potentialTpot°CNürnberg, DirkCTD, SEA-BIRD SBE 9 plus
11 SalinitySalNürnberg, DirkCTD, SEA-BIRD SBE 9 plus
12 Neodymium-143/Neodymium-144 ratio143Nd/144NdLaukert, Georgi
13 ε-Neodymiumε-NdLaukert, Georgiε-Nd = {(143Nd/144Nd)/CHUR − 1} × 10 000, with CHUR = 0.512638
14 ε-Neodymium, standard deviationε-Nd std dev±Laukert, Georgi2SD, internal
15 ε-Neodymium, standard deviationε-Nd std dev±Laukert, Georgi2SD, external
16 Neodymium, dissolvedNd disspmol/kgLaukert, GeorgiIsotope dilution
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
609 data points

Data

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

1 
Event		2 
Station		3 
Station		4 
Latitude		5 
Longitude		6 
Date/Time		7 
Depth water [m]		8 
DO [ml/l]
(Oxygen sensor, SBE 43)		9 
Sigma-theta [kg/m3]
(CTD, SEA-BIRD SBE 9 plus)		10 
Tpot [°C]
(CTD, SEA-BIRD SBE 9 plus)		11 
Sal
(CTD, SEA-BIRD SBE 9 plus)		12 
143Nd/144Nd		13 
ε-Nd
(ε-Nd = {(143Nd/144Nd)/CHUR − ...)		14 
ε-Nd std dev [±]
(2SD, internal)		15 
ε-Nd std dev [±]
(2SD, external)		16 
Nd diss [pmol/kg]
(Isotope dilution)
SO264_1-2 SO264-1-2/23-24S1-7.0077-179.82142018-07-02252.2627.75429.61434.9430.512595-0.840.210.283.60
SO264_1-2SO264-1-2/20-21S1-7.0077-179.82142018-07-021252.2827.67427.17135.8350.512603-0.680.220.283.30
SO264_1-2SO264-1-2/17-18S1-7.0077-179.82142018-07-023002.2027.57712.17034.9100.512518-2.340.160.24
SO264_1-2SO264-1-2/14-15S1-7.0077-179.82142018-07-025002.2227.4047.42134.5700.512500-2.690.170.247.00
SO264_1-2SO264-1-2/11-12S1-7.0077-179.82142018-07-0210002.3027.0234.12234.5360.512494-2.810.210.288.60
SO264_1-2SO264-1-2/8-9S1-7.0077-179.82142018-07-0215001.9626.4852.82434.5940.512484-3.000.120.1911.30
SO264_1-2SO264-1-2/5-6S1-7.0077-179.82142018-07-0220004.1723.2922.06834.63614.60
SO264_1-2SO264-1-2/2-3S1-7.0077-179.82142018-07-0230004.1721.8501.42634.6750.512430-4.060.080.2220.10
SO264_2-2 SO264-2-2/22-23S21.7832179.61162018-07-04104.1721.92529.24834.9120.512611-0.520.190.243.67
SO264_3-2 SO264-3-2/22-23S34.5094179.13382018-07-05104.1121.28529.55834.2200.5126450.130.260.284.14
SO264_4-2 SO264-4-2/22-24S47.3290178.74362018-07-061002.2027.81619.48234.7120.512529-2.120.280.285.01
SO264_4-2SO264-4-2/20-21S47.3290178.74362018-07-065002.3327.8107.74934.5660.512536-1.980.220.288.83
SO264_4-2SO264-4-2/17-18S47.3290178.74362018-07-0610002.1627.7754.29734.5580.512546-1.710.100.1511.18
SO264_4-2SO264-4-2/14-15S47.3290178.74362018-07-0615001.9427.7282.76834.6050.512515-2.400.100.2215.05
SO264_4-2SO264-4-2/11-12S47.3290178.74362018-07-0625001.5627.5911.64534.6620.512493-2.820.090.2220.10
SO264_4-2SO264-4-2/8-9S47.3290178.74362018-07-0635001.1827.4031.22034.6820.512429-4.080.090.2230.49
SO264_4-2SO264-4-2/5-6S47.3290178.74362018-07-0645000.8426.9710.91134.7000.512296-6.670.100.2229.16
SO264_4-2SO264-4-2/2-3S47.3290178.74362018-07-0653002.9124.6720.81234.7030.512314-6.320.090.2227.45
SO264_5-2 SO264-5-2/22-23S59.9904178.46042018-07-07104.1621.51128.65034.1100.512542-1.880.220.283.96
SO264_6-2 SO264-6-2/22,24S618.5601176.92002018-07-08502.0827.77325.59434.9804.31
SO264_6-2SO264-6-2/20,21S618.5601176.92002018-07-081202.0727.75823.15035.2004.45
SO264_6-2SO264-6-2/17,18S618.5601176.92002018-07-083501.8127.68510.40534.1830.512443-3.811.070.568.94
SO264_6-2SO264-6-2/14,15S618.5601176.92002018-07-087001.4127.4205.21934.3750.512514-2.420.230.3514.62
SO264_6-2SO264-6-2/11,12S618.5601176.92002018-07-0810001.0727.1543.87034.5230.512528-2.140.240.3515.93
SO264_6-2SO264-6-2/8,9S618.5601176.92002018-07-0820003.3426.2401.85434.6280.512486-2.960.160.1827.54
SO264_6-2SO264-6-2/5,6S618.5601176.92002018-07-0830004.3023.1441.32434.6700.512450-3.670.150.1836.09
SO264_6-2SO264-6-2/2-3S618.5601176.92002018-07-0835004.4422.3281.21334.6790.512441-3.840.080.1540.66
SO264_7-2 SO264-7-2/22,24S727.7826175.60892018-07-11104.2122.9712.74535.5334.12
SO264_8-4 SO264-8-4/22,24S833.6545174.76942018-07-13501.7127.72918.88334.8210.512455-3.561.060.564.99
SO264_8-4SO264-8-4/20,21S833.6545174.76942018-07-13901.0827.64317.39534.7790.512452-3.641.130.564.99
SO264_8-4SO264-8-4/17,18S833.6545174.76942018-07-133500.6727.53112.76834.3860.512451-3.660.920.569.53
SO264_8-4SO264-8-4/14,15S833.6545174.76942018-07-136700.6927.2465.93633.9980.512492-2.840.250.358.40
SO264_8-4SO264-8-4/11,12S833.6545174.76942018-07-1310002.5426.7693.60534.2720.512505-2.590.220.2119.58
SO264_8-4SO264-8-4/8,9S833.6545174.76942018-07-1315004.2525.9632.40734.4910.512512-2.450.190.2122.41
SO264_8-4SO264-8-4/5,6S833.6545174.76942018-07-1320004.8425.2511.89534.5800.512504-2.610.200.2124.86
SO264_8-4SO264-8-4/2,3S833.6545174.76942018-07-1326875.2224.9141.44234.6450.512485-2.990.180.2130.63
SO264_24-2 SO264-24-2/24S944.8010170.59782018-07-22251.9727.7837.68132.8660.512529-2.130.260.3514.66
SO264_24-2SO264-24-2/16S944.8010170.59782018-07-224001.2327.6633.65233.9850.512521-2.280.070.1520.09
SO264_24-2SO264-24-2/13S944.8010170.59782018-07-226000.5527.4343.53234.2110.512527-2.170.110.1518.15
SO264_24-2SO264-24-2/9S944.8010170.59782018-07-2210000.7327.2052.68334.3990.512515-2.400.080.2223.64
SO264_24-2SO264-24-2/6S944.8010170.59782018-07-2220000.8527.0141.77134.5920.512502-2.660.170.1827.02
SO264_24-2SO264-24-2/2S944.8010170.59782018-07-2242656.5325.6441.12234.6840.512444-3.790.140.1841.23
SO264_40-2 SO264-40-2/22-24S1045.5667170.30002018-07-29101.7727.78710.97432.5250.512530-2.110.110.1515.27
SO264_40-2SO264-40-2/20-21S1045.5667170.30002018-07-291001.9127.7643.19133.0750.512539-1.940.090.1514.46
SO264_40-2SO264-40-2/17-18S1045.5667170.30002018-07-293001.2427.6623.58233.8330.512530-2.100.110.2219.65
SO264_40-2SO264-40-2/14-15S1045.5667170.30002018-07-295000.5127.4363.51334.1320.512527-2.170.090.2221.06
SO264_40-2SO264-40-2/11-12S1045.5667170.30002018-07-2910000.5927.1442.66134.4010.512522-2.270.100.22
SO264_40-2SO264-40-2/8-9S1045.5667170.30002018-07-2920001.4626.8991.77034.5910.512496-2.780.090.2227.38
SO264_40-2SO264-40-2/5-6S1045.5667170.30002018-07-2935006.4626.3321.24634.6710.512462-3.440.090.2236.18
SO264_40-2SO264-40-2/2-3S1045.5667170.30002018-07-2953756.0624.8571.09734.6870.512440-3.860.090.2243.06
SO264_67-2 SO264-67-2/21S1150.2450168.58622018-08-13501.8927.7884.88332.8760.512550-1.710.160.2413.29
SO264_67-2SO264-67-2/18S1150.2450168.58622018-08-132002.0327.7713.99033.8870.512530-2.100.170.2417.90
SO264_67-2SO264-67-2/15S1150.2450168.58622018-08-135001.2627.6773.48334.1920.512519-2.330.180.2820.57
SO264_67-2SO264-67-2/12S1150.2450168.58622018-08-1310000.3827.4442.65434.4090.512525-2.200.090.2223.51
SO264_67-2SO264-67-2/9S1150.2450168.58622018-08-1320000.3627.1951.68434.6020.512503-2.630.100.2228.68
SO264_67-2SO264-67-2/6S1150.2450168.58622018-08-1335000.9726.9021.19934.6760.512460-3.470.070.2236.64
SO264_67-2SO264-67-2/3S1150.2450168.58622018-08-1350006.4426.0041.08834.6880.512444-3.790.090.2241.54