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  • 1
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    Sable oxygen isotope and Mg/Ca ratios of planktonic foraminifera from KX97322-4 (KX22-4) (2021)
    PANGAEA
    Details
    Publication Date: 2023-03-30
    Description: We obtained Core KX97322-4 (00°01.73′S, 159°14.66′E, 2362 m) from the Ontong Java Plateau in the central WPWP using a giant piston corer on the Science-1 vessel during the Warm Pool Subject Cruise executed in 2008. The sedimentation rate is 0.39–4.95 cm kyr^-1^, with an average time resolution of 0.57 kyr cm^-1^. The age model was established based on downcore stable oxygen isotope measurements on the benthic foraminifer Cibicidoides wuellerstorfi (〉500 μm) correlated with the reference benthic stack LR04 using Match 2.3.1 software, combined with five accelerator mass spectrometry radiocarbon (^14^C) dates on the planktonic foraminifer Trilobatus sacculifer (with a sac) (350–500 μm) measured at the National Ocean Sciences Accelerator Mass Spectrometry facility, Woods Hole Oceanographic Institution, USA. We measured stable oxygen isotope and Mg/Ca ratio of planktic foraminifera Globigerinoides ruber and Neogloboquadrina dutertrei at the Institute of Oceanology, Chinese Academy of Sciences (IOCAS), using GV IsoPrime mass spectrometer and inductively coupled plasma-optical emission spectrometry (ICP-OES, Thermo-Fisher, iCAP6300 radial) to rebuild paleo-temperature and salinity of the central western Pacific warm pool during the last 360, 000 years, aiming to probe paleo-ENSO progress in late Quaternary.
    Keywords: AGE; DEPTH, sediment/rock; Foraminifera; foraminifera oxygen isotopes. Late Quaternary; Giant piston corer; Globigerinoides ruber, Magnesium/Calcium ratio; Globigerinoides ruber, δ18O; GPC; KX22-4; KX97322-4; Mg/Ca paleothermometry; Neogloboquadrina dutertrei, Magnesium/Calcium ratio; Neogloboquadrina dutertrei, δ18O; Sea sub-surface salinity; Sea sub-surface temperature; Sea surface salinity; Sea surface salinity, difference; Sea surface temperature; Temperature, difference; West Pacific Warm Pool; δ18O, seawater, reconstructed; δ18O, seawater, reconstructed, difference; δ18O, seawater, reconstructed, residual
    Type: Dataset
    Format: text/tab-separated-values, 9271 data points
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  • 2
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    HS-1 Experiments by MPIESM Model on the basis of Mistral Machine in Hamburg (2019)
    PANGAEA
    In:  Supplement to: Gong, Xun; Lembke-Jene, Lester; Lohmann, Gerrit; Knorr, Gregor; Tiedemann, Ralf; Zou, J J; Shi, X F (2019): Enhanced North Pacific deep-ocean stratification by stronger intermediate water formation during Heinrich Stadial 1. Nature Communications, 10(1), https://doi.org/10.1038/s41467-019-08606-2
    Details
    Publication Date: 2023-01-13
    Description: database_Fig1: AMOC_index (AMOC strength, Sv) IMDtoDeep_density_anomalies (Density anomalies, kg/m^3) MLD_timeseries (Mixed layer depth anomalies, m) NPIW_index (NPIW strength, Sv) depth_mpiom_3d (Depth, m) --- database_Fig2: AMLD_winter_HS1toLGM (Winter Mixed layer depth anomalies, m) ASST_winter_HS1toLGM (Winter sea surface temperature anomalies, K) APME_winter_HS1toLGM (Winter Net Precipitation anomalies, mm/mon) ASLP_winter_HS1toLGM (Winter sea level pressure anomalies, Pa) ASSS_winter_HS1toLGM (Winter sea surface salinity anomalies, psu) lat (Latitude) lon (Longitude) --- database_Fig3: AleutieanLow_index (Aleutian Low strength, Pa) Westlie_NP_index (Westlie speed over North Pacific, m/s) SPG_NP_index (Strength of North Pacific Subpolar Gyre, m) --- database_Fig4: Dprofile (Vertical Density profile, kg/m^3) Tprofile (Vertical Temperature profile, K) Sprofile (Vertical Salinity profile, psu) depth (Depth, m)
    Keywords: File content; File format; File name; File size; Paleo Modelling; PalMod; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 20 data points
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  • 3
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    Updated age model for OMEXII-9K based on recalibrated radiocarbon ages (2018)
    PANGAEA
    Details
    Publication Date: 2023-02-10
    Keywords: Age model; DEPTH, sediment/rock; OMEXII-9K_2; Tropical North Atlantic
    Type: Dataset
    Format: text/tab-separated-values, 85 data points
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  • 4
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    Stable isotope data of benthic foraminifera from OMEXII-9K (2018)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Description: This data release contains stable isotope data from benthic foraminifera isolated from sediment core OMEXII-9K off the Iberian Margin, from 0 to 204cm, and an updated age model.
    Keywords: Cibicidoides pachyderma, δ13C; Cibicidoides pachyderma, δ13C standard deviation; Cibicidoides pachyderma, δ18O; Cibicidoides pachyderma, δ18O standard deviation; Cibicidoides wuellerstorfi, δ13C; Cibicidoides wuellerstorfi, δ13C, standard deviation; Cibicidoides wuellerstorfi, δ18O; Cibicidoides wuellerstorfi, δ18O standard deviation; DEPTH, sediment/rock; OMEXII-9K_2; Tropical North Atlantic
    Type: Dataset
    Format: text/tab-separated-values, 140 data points
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  • 5
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    Age determination of sediment core LV53-19-1 (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: Age, 14C AMS; Age, 14C calibrated; Age, dated; Age, dated material; Age, dated standard error; AWI_Paleo; Biomarker; Calendar age; Calendar age, maximum/old; Calendar age, minimum/young; DEPTH, sediment/rock; Japan Sea; Laboratory code/label; Last Glacial; LV53-19-1; North Pacific; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; paleo-oceanography; PC; Piston corer; sea-level; SST; TEX86; UK'37; upper ocean
    Type: Dataset
    Format: text/tab-separated-values, 49 data points
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  • 6
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    Stable oxygen isotope ratios of Globigerina bulloides of sediment core LV53-19-1 (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: AGE; AWI_Paleo; Biomarker; DEPTH, sediment/rock; Globigerina bulloides, δ18O; Japan Sea; Last Glacial; LV53-19-1; North Pacific; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; paleo-oceanography; PC; Piston corer; sea-level; SST; TEX86; UK'37; upper ocean
    Type: Dataset
    Format: text/tab-separated-values, 33 data points
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  • 7
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    Silicon isotope data for spicules from RAPiD 15-4P reported relative to NBS28 (2018)
    PANGAEA
    In:  Supplement to: Hendry, Katharine R; Gong, Xun; Knorr, Gregor; Pike, Jennifer; Hall, Ian R (2016): Deglacial diatom production in the tropical North Atlantic driven by enhanced silicic acid supply. Earth and Planetary Science Letters, 438, 122-129, https://doi.org/10.1016/j.epsl.2016.01.016
    Details
    Publication Date: 2023-06-27
    Description: This data release contains stable silicon isotope data from sponge spicules isolated from sediment core RAPiD15-4P off Iceland, from 10 to 18 ka.
    Keywords: AGE; CD159; CD159-15; Charles Darwin; DEPTH, sediment/rock; PC; Piston corer; RAPiD-15-4P; South of Iceland; δ30Si, biogenic silica; δ30Si, error
    Type: Dataset
    Format: text/tab-separated-values, 54 data points
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  • 8
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    Evolution of the upper ocean stratification in the Japan Sea since the last glacial (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: Paleoceanographic evidence commonly indicates that Last Glacial Maximum surface temperatures in the Japan Sea were comparable to modern conditions, in striking difference to colder neighboring regions. Here, based on a core from the central Japan Sea, our results show similar UK′37- and TEXL86-derived temperatures between 24.7-16.3 ka BP, followed by an abrupt divergence at ~16.3 ka BP and a weakening of divergence after ~ 8.7 ka BP. We attribute this process to a highly stratified glacial upper ocean controlled by the East Asian Summer Monsoon, increasing thermal gradient between surface and subsurface layers during the deglaciation and the intrusion of Tsushima Warm Current since the mid Holocene, respectively. Therefore, we suggest threshold-like changes in upper-ocean temperatures linked to sea-level rise and monsoon dynamics, rather than just sea surface temperatures, play a critical role in shaping the thermal and ventilation history of this NW Pacific marginal sea.
    Keywords: AWI_Paleo; Biomarker; Japan Sea; Last Glacial; LV53-19-1; North Pacific; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; paleo-oceanography; PC; Piston corer; sea-level; SST; TEX86; UK'37; upper ocean
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 9
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    Mg/Ca ratios and stable oxygen isotope of multiple planktonic foraminifera from KX97322-4 (KX22-4) over the last 30,000 years (2022)
    PANGAEA
    Details
    Publication Date: 2023-12-14
    Description: Using a large piston corer on the Science-1 vessel during the Warm Pool Subject Cruise in 2008, we recovered Core KX97322-4 (00°01.73′S, 159°14.66′E, 2362 m) from the Ontong-Java Plateau in the central western Pacific warm pool. The sedimentation rate is 0.39-4.95 cm/kyr, with an average time resolution of 0.57 kyr/cm. The age model was established based on downcore stable oxygen isotope measurements on the benthic foraminifer Cibicidoides wuellerstorfi (〉500 μm) correlated with the reference benthic stack LR04 using Match 2.3.1 software, combined with seven accelerator mass spectrometry radiocarbon (14C) data on the planktonic foraminifer Trilobatus sacculifer (with a sac) (350–500 μm), five data published before and another two new data was performed at NOSMAS and Beta Analytic Inc., USA. We measured stable oxygen isotope and Mg/Ca ratio of planktic foraminifera Globigerinoides ruber, T.sacculifer, Neogloboquadrina dutertrei, Globigerinella siphonifera, Globorotalia crassaformis and Globorotalia truncatulinoides dextral at the Institute of Oceanology, Chinese Academy of Sciences (IOCAS), using GV IsoPrime mass spectrometer and inductively coupled plasma-optical emission spectrometry (ICP-OES, Thermo-Fisher, iCAP6300 radial) to rebuild paleo-temperature and salinity of the central western Pacific warm pool during the last 30,000 years, aiming to probe paleo-ENSO progress during the last deglaciation.
    Keywords: AGE; Calculated; Giant piston corer; Globigerinella siphonifera, Magnesium/Calcium ratio; Globigerinoides ruber, Magnesium/Calcium ratio; Globigerinoides ruber, δ18O; Globorotalia crassaformis, Magnesium/Calcium ratio; Globorotalia truncatulinoides dextral, Magnesium/Calcium ratio; GPC; KX22-4; KX97322-4; last deglaciation; Mg/Ca-based paleotemperatures; Neogloboquadrina dutertrei, Magnesium/Calcium ratio; Ocean heat content; oxygen isotope; Planktonic foraminifera; see description in data abstract; Temperature, water; Trilobatus sacculifer, Magnesium/Calcium ratio; Trilobatus sacculifer, δ18O; Western Pacific Warm Pool
    Type: Dataset
    Format: text/tab-separated-values, 616 data points
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  • 10
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    Biomarker of sediment core LV53-19-1 (2020)
    PANGAEA
    Details
    Publication Date: 2023-12-18
    Keywords: Acyclic glycerol dialkyl glycerol tetraether; AGE; Alkenone, C37:2; Alkenone, C37:2+C37:3; Alkenone, C37:3; Alkenone, unsaturation index UK'37; AWI_Paleo; Biomarker; Branched and isoprenoid tetraether index; Branched glycerol dialkyl glycerol tetraether, Ia; Branched glycerol dialkyl glycerol tetraether, Ib; Branched glycerol dialkyl glycerol tetraether, Ic; Branched glycerol dialkyl glycerol tetraether, IIa; Branched glycerol dialkyl glycerol tetraether, IIb; Branched glycerol dialkyl glycerol tetraether, IIc; Branched glycerol dialkyl glycerol tetraether, IIIa; Branched glycerol dialkyl glycerol tetraether, IIIb; Branched glycerol dialkyl glycerol tetraether, IIIc; Calculated from TEX86H (Kim et al., 2010); Calculated from TEX86L (Kim et al., 2010); Calculated from UK'37 (Müller et al, 1998); Crenarchaeol; Crenarchaeol regio-isomer; DEPTH, sediment/rock; Dicyclic glycerol dialkyl glycerol tetraether; Isoprenoidal glycerol dialkyl glycerol tetraethers; Japan Sea; Last Glacial; LV53-19-1; Monocyclic glycerol dialkyl glycerol tetraether; North Pacific; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; paleo-oceanography; PC; Piston corer; Ratio; Ring index; sea-level; Sea surface temperature; Sea surface temperature, annual mean; SST; Temperature, difference; Tetraether index of 86 carbon atoms, high-temperature region; Tetraether index of 86 carbon atoms, low-temperature region; TEX86; Tricyclic glycerol dialkyl glycerol tetraether; UK'37; upper ocean
    Type: Dataset
    Format: text/tab-separated-values, 645 data points
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