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  • 1
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    Reconstructed biogenic opal percentage for site J1002, Chilean Margin (2022)
    PANGAEA
    Details
    Publication Date: 2023-12-18
    Description: Sediment cores at sites J1002 were collected from the Chilean Margin during D/V JOIDES Resolution Expedition 379T (JR100) in 2019. Sedimentary Green/Blue (G/B) ratio data were collected during the expedition. We calculated the opal pecentages at Site J1002 over the last ~150,000 years. Laboratory measurements in this study were conducted in 2020 at Rutgers University.
    Keywords: 379T-J1002; AGE; biogenic opal; Calculated from G/B with site-specific exponential regression equations; chilean margin; Color, green/blue; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp379T; Joides Resolution; Opal, biogenic silica; opal mass accumulation rate; organic carbon; oxygen isotope; radiocarbon age model; Site; U/Th
    Type: Dataset
    Format: text/tab-separated-values, 32313 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Measured biogenic opal percentage for sites J1002 and J1007, Chilean Margin (2022)
    PANGAEA
    Details
    Publication Date: 2023-12-18
    Description: Sediment cores at sites J1002 and J1007 were collected from the Chilean Margin during D/V JOIDES Resolution Expedition 379T (JR100) in 2019. Sedimentary Green/Blue (G/B) ratio data were collected during the expedition. Measured biogenic opal contents were compared to the G/B to test the utility of G/B as a proxy for diatom productivity. Laboratory measurements in this study were conducted in 2020 at Rutgers University.
    Keywords: 379T-J1002; 379T-J1007; AGE; biogenic opal; chilean margin; Color, green/blue; Comment; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Event label; Exp379T; Joides Resolution; Opal, biogenic silica; opal mass accumulation rate; organic carbon; oxygen isotope; radiocarbon age model; RGB channels, line-scan camera; Site; U/Th; Wet-alkaline digestion, spectrophotometer
    Type: Dataset
    Format: text/tab-separated-values, 144 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Reconstructed biogenic opal percentage and accumulation for site J1007, Chilean Margin (2022)
    PANGAEA
    Details
    Publication Date: 2023-12-18
    Description: Sediment cores at sites J1007 were collected from the Chilean Margin during D/V JOIDES Resolution Expedition 379T (JR100) in 2019. Sedimentary Green/Blue (G/B) ratio data were collected during the expedition. We calculated the opal mass accumulation rate (MAR) at Site J1007 over the last ~150,000 years. Laboratory measurements in this study were conducted in 2020 at Rutgers University.
    Keywords: 379T-J1007; Accumulation rate, opal; AGE; biogenic opal; Calculated from G/B with site-specific exponential regression equations; chilean margin; Color, green/blue; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp379T; Joides Resolution; Opal, biogenic silica; opal mass accumulation rate; organic carbon; oxygen isotope; radiocarbon age model; Sedimentation rate; Site; U/Th
    Type: Dataset
    Format: text/tab-separated-values, 54360 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Organic carbon percentage for site J1007, Chilean Margin (2022)
    PANGAEA
    Details
    Publication Date: 2023-12-18
    Description: Sediment core J1007 was collected from the Chilean Margin during D/V JOIDES Resolution Expedition 379T (JR100) in 2019. Measured organic carbon contents were compared to the G/B to test the utility of G/B as a proxy for diatom productivity. Laboratory measurements in this study were conducted in 2020 at Rutgers University.
    Keywords: 379T-J1007; biogenic opal; Carbon, organic, total; chilean margin; Color, green/blue; Comment; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp379T; Joides Resolution; opal mass accumulation rate; organic carbon; Organic elemental analyzer; oxygen isotope; radiocarbon age model; RGB channels, line-scan camera; U/Th
    Type: Dataset
    Format: text/tab-separated-values, 182 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Radiocarbon dates and benthic foraminifer (Uvigerina spp.) tie points for sites J1002 and J1007, Chilean Margin (2022)
    PANGAEA
    Details
    Publication Date: 2023-12-18
    Description: Sediment cores at sites J1002 and J1007 were collected from the Chilean Margin during D/V JOIDES Resolution Expedition 379T (JR100) in 2019. We generated age models for sites J1002 and J1007 with radiocarbon dates and visual correlation of δ18O records of benthic foraminifera to the LR04 benthic stack. Laboratory measurements in this study were conducted in 2020 at Rutgers University.
    Keywords: 379T-J1002; 379T-J1007; Age, comment; Age, dated; Age, dated material; Age, dated standard error; biogenic opal; Calibration; chilean margin; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Event label; Exp379T; Joides Resolution; opal mass accumulation rate; organic carbon; oxygen isotope; radiocarbon age model; Site; Type; U/Th
    Type: Dataset
    Format: text/tab-separated-values, 203 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Age model, biogenic opal contents and sedimentary U/Th for sites J1002 and J1007, Chilean Margin (2022)
    PANGAEA
    Details
    Publication Date: 2023-12-18
    Description: Sediment cores at sites J1002 and J1007 were collected from the Chilean Margin during D/V JOIDES Resolution Expedition 379T (JR100) in 2019. Sedimentary Green/Blue (G/B) ratio and sedimentary U/Th derived from natural gamma radiation data were collected during the expedition. We generated age models for sites J1002 and J1007 with radiocarbon dates and visual correlation of δ18O records of benthic foraminifera to the LR04 benthic stack. Measured biogenic opal contents and organic carbon contents were compared to the G/B to test the utility of G/B as a proxy for diatom productivity at Sites J1002 and J1007. Sedimentary U/Th was further used as a non-quantitative indicator of redox conditions of the sediments. Lastly, we calculated the opal mass accumulation rate (MAR) at Site J1007 over the last ~150,000 years. Laboratory measurements in this study were conducted in 2020 at Rutgers University.
    Keywords: 379T-J1002; 379T-J1007; biogenic opal; chilean margin; DRILL; Drilling/drill rig; Exp379T; Joides Resolution; opal mass accumulation rate; organic carbon; oxygen isotope; radiocarbon age model; U/Th
    Type: Dataset
    Format: application/zip, 7 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Marine fossil radiocarbon (14C) compilation up to 2021 (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-25
    Description: This dataset includes a global compilation of new and published 14C measurements of benthic foraminifera and deep-sea corals (from 0-to 49872 years BP). We synthesized this new dataset into basin-average 14C ventilation age values over the 25,000 years, along density surfaces associated with the upper and lower cells of global ocean overturning circulation (27.5 and 28 kg m^-3, respectively). The published datasets are from all ocean basins, even those not utilized in our synthesis. We also provide the basin-average estimates for the Atlantic, Southern, and Pacific Oceans as produced by the Rafter et al. 2022 study.
    Keywords: 0050PG; 0066PG; 145-883; 145-887; 146-893A; 167-1019A; 202-1240; 202-1242A; 341-U1419; 35MF20120125, OISO_21, INDIEN SUD 2; 47396B; 50-37KL; 64-480; 90b; AII125-8-55; AII125-8-56; Akademik M.A. Lavrentiev; ALV-3887-1549-004-007; ALV-3887-1549-004-009; ALV-3887-1549-004-012; ALV-3890-1407-003-001; ALV-3891-1459-003-002; ALV-3891-1758-006-003; AMOCINT, IMAGES XVII; ANT-XI/4; ANT-XXIII/9; ANT-XXVI/2; Argentine Basin; ARK-II/5; ARK-X/2; Azores; B34-91; BC; Bering Sea; Binary Object; BO04-PC11; Box corer; Brazil Basin; Burdwood_Bank; CALYPSO; CALYPSO2; Calypso Corer; Calypso Corer II; Calypso square corer; Calypso Square Core System; Canarias Sea; Cape_Horn; Caribbean Sea; CASQ; CASQS; CD159; CD159-10; CD159-15; CD159-17; CD38-17P; Celtic Sea; Cenderawasih Bay; Central Pacific; CH84-14; Charles Darwin; CHAT_10k; CHAT_16k; CHAT-3K; CHAT-5K; Chatham Rise; COMPCORE; Composite Core; Conrad Rise; Core; CORE; Core1471; Core2088; Core21210009; Core2307; Core2631; Core2657; Core2706; Core2774; Core47396; Core654; Core660; Core936; Corner Rise; Denmark Strait; Drake Passage; DRILL; Drilling/drill rig; Eastern Equatorial Pacific; Eastern slope of Kurile Basin; East Pacific; Emperor Seamounts; EN06601; EN066-39GGC; Endeavor; Equatorial East Pacific; ESTASE1; EW0408; EW0408-26JC; EW0408-85JC; EW0408-87JC; Exp341; F2-92-P3; F8-90-G21; File content; Galapagos; Galápagos Islands; GC; GC_POI; GeoB1503-1; GeoB2104-3; GeoB7149-2; GeoB7162-6; GeoB7163-7; GeoB7167-6; GGC; GGC5; gh02-1030; Giant box corer; Giant gravity corer; Giant piston corer; GIK17940-1; GIK23243-2 PS05/431; GKG; Glomar Challenger; GPC; Gravity corer; Gravity corer (Kiel type); Gravity corer (POI); GS07-150-17/1GC-A; GS07-150-20/2A; Gulf of Alaska; Gulf of California; H209; H213; HH12-946MC; HU72-021-7; HU89038-8PC; IMAGES III - IPHIS; IMAGES IV-IPHIS III; IMAGES V; IMAGES VIII - MONA; IMAGES VII - WEPAMA; IMAGES XII - MARCO POLO; IMAGES XV - Pachiderme; Indian Ocean; INOPEX; Interim_Seamount; Japan Trench; Jean Charcot; JM-FI-19PC; Joides Resolution; JPC; JPC30; JT96-09; JT96-09PC; Jumbo Piston Core; KAL; KALMAR II; Kasten corer; KL; KN_USA; KN11002; KN159-5; Knorr; KNR073-04-003; KNR110-50; KNR110-66; KNR110-82a; KNR110-82GGC; KNR140; KNR140-01JPC; KNR140-02JPC; KNR140-12JPC; KNR140-2-12JPC; KNR140-2-22JPC; KNR140-22JPC; KNR140-2-30GGC; KNR140-2-51GGC; KNR140-26GGC; KNR140-30GGC; KNR140-37JPC; KNR140-39GGC; KNR140-43GGC; KNR140-50GGC; KNR140-51GGC; KNR140-56GGC; KNR140-66GGC; KNR159-5; KNR159-5-36GGC; KNR159-5-78GGC; KNR176-17GC; KNR178; KNR178-2GGC; KNR178-32JPC; KNR195-5-CDH23; KNR195-5-CDH26; KNR195-5-CDH41; KNR195-5-GGC43; KNR197-10; KNR197-10CDH42; KNR197-10-CDH42; KNR197-10-CDH46; KNR197-10-GGC17; KNR197-10-GGC36; KNR197-10-GGC5; KNR198-CDH36; KNR198-GGC15; KNR31GPC5; KNR733P; KNR734P; KNR736P; KOL; KOMEX; KOMEX II; KR02-15-PC06; Kronotsky Peninsula; KT89-18-P4; Lakshadweep Sea; Laurentian fan; Leg145; Leg146; Leg167; Leg202; Leg64; Le Suroît; LPAZ21P; LV27/GREGORY; LV27-2-4; LV29-114-3; LV29-2; M16/2; M23/2; Marion Dufresne (1972); Marion Dufresne (1995); Maurice Ewing; Mazatlan; MCSEIS; MD012378; MD01-2378; MD012386; MD01-2386; MD012416; MD01-2416; MD012420; MD01-2420; MD022489; MD02-2489; MD022519; MD02-2519; MD03-2697; MD03-2707; MD052896; MD05-2896; MD052904; MD05-2904; MD07-3076; MD07-3076Q; MD07-3088; MD08-3169; MD08-3180; MD09-3256; MD09-3256Q; MD09-3257; MD106; MD111; MD114; MD122; MD12-3396Cq; MD126; MD13; MD134; MD147; MD159; MD168; MD173; MD189; MD77-176; MD972106; MD97-2106; MD972120; MD97-2120; MD972121; MD97-2121; MD972138; MD97-2138; MD982165; MD98-2165; MD982181; MD98-2181; MD99-2334; ME0005A; ME0005A-24JC; ME0005A-43JC; Melville; Meteor (1986); ML1208-01PC; MONITOR MONSUN; MR01-K03; MR06-04_PC04A; MUC; Multichannel seismics; MultiCorer; MV99-GC38; MV99-MC17/GC32/PC10; MV99-MC19/GC31/PC08; NEMO; Nesmeyanov25-1-GGC15; Nesmeyanov25-1-GGC18; Nesmeyanov25-1-GGC20; Nesmeyanov25-1-GGC27; New_England_Seamounts; North Atlantic; North Greenland Sea; North Pacific/Gulf of California/BASIN; North Pacific Ocean; Northwest Atlantic; Norwegian Sea; OCE326-GGC14; OCE326-GGC26; OCE326-GGC5; off Chile; off Nova Scotia; OSIRIS III; Pacific Ocean; PALEOCINAT; PC; Philippine Sea; PICABIA; Piston corer; Piston corer (BGR type); Piston corer (Kiel type); PLDS-007G; PLDS-1; Pleiades; Polarstern; PS05; PS1243-2; PS2606-6; PS2644-2; PS30; PS30/144; PS31; PS31/160; PS69; PS69/907-2; PS69/912-3; PS69/912-4; PS75/059-2; PS75/100-4; PS75/104-1; PS75 BIPOMAC; PUCK; RAPiD-10-1P; RAPiD-15-4P; RAPiD-17-5P; RBDASS05; RC24; RC24-8GC; RC27; RC27-14; RC27-23; Remote operated vehicle; RETRO-2; RNDB-GGC15; RNDB-GGC5; RNDB-PC11; RNDB-PC13; Robert Conrad; ROV; RR0503-36JPC; RR0503-41JPC; RR0503-64JPC; RR0503-79JPC; RR0503-831C; RR0503-83GC; S67-FFC15; S794; S931; Sakhalin shelf and slope; Sars_Seamount; Scotia Sea; Sea of Okhotsk; SEDCO; Sediment corer; Shackleton_Fracture_Zone; SHAK03-6K; SHAK05-3K; SHAK06-4K; SHAK06-5K; SHAK10-10K; SHAK14-4G; Shirshov Ridge; SK129-CR2; SL; Smithsonian_48735.1; SO156/2; SO156/3; SO161/3; SO161/3_22; SO178; SO178-13-6; SO201/2; SO201-2-101; SO201-2-12KL; SO201-2-77; SO201-2-85; SO202/1; SO202/1_18-6; SO213/2; SO213/2_76-2; SO213/2_79-2; SO213/2_82-1; SO213/2_84-1; SO95; Sonne; SOPATRA; South Atlantic; South Atlantic Ocean; South China Sea; Southern Alaska Margin: Tectonics, Climate and Sedimentation; South of Iceland; South Pacific Ocean; South Tasman Rise; Southwest Pacific Ocean; SPOC; Station 6, MD189-3396; SU90-08; Thomas G. Thompson (1964); Thomas Washington; Timor Sea; TNO57-21; TR163-22; TR163-23; TR163-31; TT154-10; TTN13-18; TTXXX; U938; V34; V34-98; V35; V35-5; V35-6; Vema; Vigo; VINO19-4-GGC17; VINO19-4-GGC37; VM21-29; VM21-30; VM23-81; VM28-122; VM28-238; VNTR01; VNTR01-10GC; W8709A; W8709A-13; Wecoma
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Uranium and thorium concentrations for sites J1002, Chilean Margin (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-26
    Description: Sediment cores at sites J1002 awere collected from the Chilean Margin during D/V JOIDES Resolution Expedition 379T (JR100) in 2019. Sedimentary U/Th derived from natural gamma radiation data were collected during the expedition. U/Th was further used as a non-quantitative indicator of redox conditions of the sediments.
    Keywords: 379T-J1002; AGE; biogenic opal; Calculated from shipboard natural gamma radiation data using a MATLAB algorithm by De Vleeschouwer et al. (2017); chilean margin; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp379T; Joides Resolution; opal mass accumulation rate; organic carbon; oxygen isotope; radiocarbon age model; Site; Thorium; U/Th; Uranium
    Type: Dataset
    Format: text/tab-separated-values, 3966 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Uranium and thorium concentrations for sites J1007, Chilean Margin (2022)
    PANGAEA
    Details
    Publication Date: 2024-04-26
    Description: Sediment cores at sites J1007 awere collected from the Chilean Margin during D/V JOIDES Resolution Expedition 379T (JR100) in 2019. Sedimentary U/Th derived from natural gamma radiation data were collected during the expedition. U/Th was further used as a non-quantitative indicator of redox conditions of the sediments.
    Keywords: 379T-J1007; AGE; biogenic opal; Calculated from shipboard natural gamma radiation data using a MATLAB algorithm by De Vleeschouwer et al. (2017); chilean margin; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Exp379T; Joides Resolution; opal mass accumulation rate; organic carbon; oxygen isotope; radiocarbon age model; Site; Thorium; U/Th; Uranium
    Type: Dataset
    Format: text/tab-separated-values, 2967 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 10
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    Glacial-interglacial changes in central tropical Pacific surface seawater property gradients (2015)
    AGU (American Geophysical Union) | Wiley
    In:  Paleoceanography, 30 (5). pp. 423-438.
    Details
    Publication Date: 2018-09-12
    Description: Much uncertainty exists about the state of the oceanic and atmospheric circulation in the tropical Pacific over the last glacial cycle. Studies have been hampered by the fact that sediment cores suitable for study were concentrated in the western and eastern parts of the tropical Pacific, with little information from the central tropical Pacific. Here we present information from a suite of sediment cores collected from the Line Islands Ridge in the central tropical Pacific, which show sedimentation rates and stratigraphies suitable for paleoceanographic investigations. Based on the radiocarbon and oxygen isotope measurements on the planktonic foraminifera Globigerinoides ruber, we construct preliminary age models for selected cores and show that the gradient in the oxygen isotope ratio of G. ruber between the equator and 8°N is enhanced during glacial stages relative to interglacial stages. This stronger gradient could reflect enhanced equatorial cooling (perhaps reflecting a stronger Walker circulation) or an enhanced salinity gradient (perhaps reflecting increased rainfall in the central tropical Pacific).
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1002/2014PA002746
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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