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  • 1
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    A 1.3 million-year benthic foraminiferal record at IODP Site U1391, Portuguese margin (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-22
    Description: Reconstruction of the Mediterranean Outflow Water (MOW) dynamics in the geologic past contributes to exploring its influence on the North Atlantic Ocean circulation and the climate. The middle Pleistocene transition (MPT) is one of the most important characteristics of Quaternary climate change, but until now, research on the MOW variability during this time interval has been limited. This work presents the first continuous and high-resolution (~2 kyr) foraminiferal stable oxygen and carbon isotopes and benthic foraminiferal records from Integrated Ocean Drilling Program (IODP) Site U1391, drilled off the Portuguese margin in the Northeast Atlantic Ocean, to decipher the MOW variability over the last 1.3 myr.
    Keywords: Benthic foraminifera; IODP Site U1391; mid-Pleistocene transition; Stable isotopes
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 2
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    Census counts of benthic foraminifera from IODP Site 339-U1391 (2020)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Keywords: 339-U1391; AGE; Age model according to Lisiecki & Raymo (2005) [LR04]; Ammonia sp.; Amphicoryna hirsuta; Amphicoryna scalaris; Amphicoryna sp.; Astacolus crepidulus; Astacolus sp.; Benthic foraminifera; Bigenerina nodosaria; Biloculinella labiata; Bolivinita quadrilatera; Brizalina alata; Brizalina earlandi; Brizalina robusta; Bulimina aculeata; Bulimina buchiana; Bulimina exilis; Bulimina gibba; Bulimina marginata; Bulimina mexicana; Bulimina sp.; Buliminella apiculata var. hebetate; Cancris auriculus; Cassidulina crassa; Cassidulina teretis; Chilostomella oolina; Cibicidella variabilis; Cibicides lobatulus; Cibicides pseudolobatulus; Cibicides refulgens; Cibicides sp.; Cibicidoides globulosus; Cibicidoides incrassatus; Cibicidoides mundulus; Cibicidoides pachyderma; Cibicidoides pseudoungeriana; Cibicidoides robertsonianus; Cibicidoides sp.; Cibicidoides wuellerstorfi; COMPCORE; Composite Core; Cornuloculina inconstans; Cornuspira carinata; Cornuspira foliacea; Cornuspira involvens; Counting 〉250 µm fraction; Cribrolenticulina akersi; Cribropleurostomella sp.; Cribrostomoides subglobosum; Cruciloculina ericsoni; Cyclammina cancellata; Dentalina advena; Dentalina albatrossi; Dentalina ariena; Dentalina bradyensis; Dentalina communis; Dentalina filiformis; Dentalina inflexa; Dentalina sp.; Dentalina subemaciata; Dentalina subsoluta; Depth, composite; Discoanomalina coronata; Discoanomalina semipunctata; Discorbinella bertheloti; Discospirina italica; Dorothia bradyana; Dorothia pseudoturris; Eggerella bradyi; Ehrenbergina bradyi; Ehrenbergina pacifica; Elphidium advenum; Elphidium macellum; Euloxostoma bradyi; Exp339; Favocassidulina sp.; Fissurina clathrata; Fissurina cucullata; Fissurina echigoensis; Fissurina fasciata; Fissurina fimbriata; Fissurina lacunata; Fissurina laevigata; Fissurina longispina; Fissurina orbignyana; Fissurina radiata; Fissurina sp.; Florilus sp.; Foraminifera, benthic, other; Foraminifera, benthic, total; Fursenkoina bradyi; Fursenkoina sp.; Galwayella oblonga; Galwayella trigonomarginata; Gavelinopsis lobatula; Glandulina ovula; Glandulonodosaria ambigua; Glandulonodosaria calomorpha; Glandulonodosaria sp.; Globobulimina affinis; Globobulimina pacifica; Globocassidulina globosa; Globocassidulina oblonga; Globocassidulina subglobosa; Globulina gibba; Globulina minuta; Globulotuba sp.; Guttulina sp.; Gyroidina broeckhiana; Gyroidinoides orbicularis; Gyroidinoides soldanii; Gyroidinoides sp.; Hanzawaia concentrica; Hoeglundina elegans; Hyalinea balthica; Hyperammina friabilis; IODP Site U1391; Joides Resolution; Karreriella bradyi; Karreriella novangliae; Karreriella sp.; Lagena acuticosta; Lagena aspera; Lagena crispata; Lagena distoma; Lagena gibbera; Lagena laevicostata; Lagenammina arenulata; Lagena quinquelatera; Lagena sp.; Lagena spicata; Lagena striata; Lagena substriata; Lagena sulcata; Laminononion tumidum; Laticarinina pauperata; Lenticulina atlantica; Lenticulina calcar; Lenticulina convergens; Lenticulina crassa; Lenticulina cultrata; Lenticulina denticulifera; Lenticulina gibba; Lenticulina inornata; Lenticulina iota; Lenticulina orbicularis; Lenticulina pliocaena; Lenticulina sp.; Lenticulina submamilligera; Lenticulina thalmanni; Lenticulina vortex; Lingulina seminuda; Lingulina sp.; Marginulina obesa; Marginulina sp.; Martinottiella communis; Martinottiella milletti; Mediterranean Outflow; Melonis barleeanus; Melonis pompilioides; Melonis sp.; mid-Pleistocene transition; Miliolinella sp.; Neolenticulina variabilis; Nodosaria comatula; Nodosaria flintii; Nodosaria lamnulifera; Nodosaria pyrula; Nonion commune; Nonionella atlantica; Nonionella turgida; Oolina foveolata; Oolina globosa; Oolina hexagona; Oolina sp.; Oridorsalis sp.; Oridorsalis umbonatus; Orthomorphina challengeriana; Orthomorphina jedlitschkai; Osangularia culter; Palliolatella palliolata; Parabrizalina porrecta; Parafissurina lata; Plandiscorbis sp.; Planularia magnifica var. falciformis; Planularia sp.; Planulina ariminensis; Plectofrondicularia advena; Plectofrondicularia helenae; Pleurostomella alternans; Pleurostomella brevis; Pleurostomella recens; Praeglobobulimina ovata; Procerolagena clavata; Pseudoclavulina serventyi; Pseudoglandulina aequalis; Pullenia bulloides; Pullenia quinqueloba; Pyrgo comata; Pyrgo depressa; Pyrgoella irregularis; Pyrgoella sphaera; Pyrgo elongata; Pyrgo fornasinii; Pyrgo lucernula; Pyrgo murrhina; Pyrgo serrata; Pyrgo sp.; Pyrgo vespertilio; Pyrulina fusiformis; Quinqueloculina agglutinans; Quinqueloculina akneriana; Quinqueloculina auberiana; Quinqueloculina lamarckiana; Quinqueloculina neosigmoilinoides; Quinqueloculina sigmoilinoides; Quinqueloculina sp.; Reophax scorpiurus; Reophax sp.; Robertinoides declivis; Robertinoides oceanica; Robertinoides translucens; Rosalina bradyi; Rupertina stabilis; Saccammina sphaerica; Saccorhiza ramosa; Sample, dry mass; Saracenaria caribbeana; Saracenaria latifrons; Saracenaria sp.; Sigmoilopsis asperula; Sigmoilopsis schlumbergeri; Siphogenerina columellaris; Siphogenerina sp.; Siphonina bradyana; Siphonina tubulosa; Siphotextularia flintii; Siphouvigerina ampullacea; Sphaeroidina bulloides; Spirillina decorata; Spirillina limbata; Spirillina vivipara; Spiroloculina depressa; Spiroloculina tenuiseptata; Spiroplectinella wrightii; Spirosigmoilina tenuis; Split; Stable isotopes; Stilostomella abyssorum; Stilostomella antillea; Stilostomella bradyi; Stilostomella consobrina; Stilostomella fistuca; Stilostomella sp.; Textularia agglutinans; Textularia pseudogramen; Textularia pseudorugosa; Textularia sp.; Textulariella barrettii; Trifarina carinata; Triloculina sp.; Triloculina tricarinata; Triloculina trigonola; Triloculina trigonula; Triloculinella obliquinodus; Tritaxis fusca; Uvigerina aculeata; Uvigerina bifurcata; Uvigerina bradyana; Uvigerina elongatastriata; Uvigerina hispida; Uvigerina mediterranea; Uvigerina peregrina parva; Uvigerina proboscidea; Uvigerina sp.; Vaginulina spinigera; Vaginulina subelegans; Vaginulinopsis albatrossi; Vaginulinopsis reniformis; Vaginulinopsis tasmanica; Verneuilina sp.; Vulvulina pennatula
    Type: Dataset
    Format: text/tab-separated-values, 150692 data points
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  • 3
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    Relative abundance of the elevated epibenthos from IODP Site 339-U1391 (2020)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 339-U1391; AGE; Benthic foraminifera; Calculated; COMPCORE; Composite Core; Depth, composite; Epibenthic species, elevated; Exp339; IODP Site U1391; Joides Resolution; Mediterranean Outflow; mid-Pleistocene transition; Stable isotopes
    Type: Dataset
    Format: text/tab-separated-values, 1104 data points
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  • 4
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    Stable isotopes of Globigerina bulloides from different Holes of IODP Site 339-U1391 (2020)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 339-U1391A; 339-U1391B; 339-U1391C; AGE; Age model according to Lisiecki & Raymo (2005) [LR04]; Benthic foraminifera; Depth, composite; Depth, top/min; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp339; Globigerina bulloides, δ13C; Globigerina bulloides, δ18O; IODP Site U1391; Joides Resolution; Mass spectrometer, Finnigan, MAT 253; Mediterranean Outflow; mid-Pleistocene transition; Sample code/label; Stable isotopes
    Type: Dataset
    Format: text/tab-separated-values, 3953 data points
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  • 5
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    Stable isotopes of benthic foraminifera from IODP Hole 339-U1391A and 339-U1391B (2020)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 339-U1391A; 339-U1391B; AGE; Age model according to Lisiecki & Raymo (2005) [LR04]; Benthic foraminifera; Cibicidoides pachyderma, δ13C; Cibicidoides pachyderma, δ18O; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Exp339; IODP Site U1391; Joides Resolution; Mass spectrometer, Finnigan, MAT 253; Mediterranean Outflow; mid-Pleistocene transition; Sample code/label; Stable isotopes
    Type: Dataset
    Format: text/tab-separated-values, 1725 data points
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  • 6
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    Late Miocene development of the western Pacific warm pool: Planktonic foraminifer and oxygen isotopic evidence (2006)
    PANGAEA
    In:  Supplement to: Li, Qianyu; Li, Baohua; Zhong, Guangfa; McGowran, Brian; Zhou, Zuyi; Wang, Jiliang; Wang, Pinxian (2006): Late Miocene development of the western Pacific warm pool: Planktonic foraminifer and oxygen isotopic evidence. Palaeogeography, Palaeoclimatology, Palaeoecology, 237(2-4), 465-482, https://doi.org/10.1016/j.palaeo.2005.12.019
    Details
    Publication Date: 2024-01-09
    Description: The disappearance at ~10 Ma of the deep dwelling planktonic foraminifer Globoquadrina dehiscens from the western Pacific including the South China Sea was about 3 Myr earlier than its final extinction elsewhere. Accompanying this event at ~10 Ma was a series of faunal turnover characterized by increase in mixed layer, warm-water species and decrease to a minimum in deepwater species. Paleobiological and isotopic evidence indicates sea surface warming and a deepened local thermocline that we interpret as related to the development of an early western Pacific warm pool. The stepwise decline of G. dehiscens and other deep dwelling species from the NW and SW Pacific suggests more intensive warm water pileup than equatorial localities where surface bypass flow through the narrowing Indonesia seaway appears to remain efficient during the late Miocene. Planktonic delta18O values from the South China Sea consistently lighter than the tropical western Pacific during the Miocene also suggest, similar to today, more variable hydrologic conditions along the periphery than in the core of the warm pool. Stronger hydrologic variability affected mainly by monsoons and increased thermal gradient along the western margin of the late Miocene warm pool may have contributed to the decline of deep dwelling planktonic species including the early extinction of G. dehiscens from the South China Sea region. The late Miocene warm pool became influential and paleobiologically detectable from ~10 Ma, but the modern warm pool did not appear until about 4 Ma, in the middle Pliocene.
    Keywords: 121-758; 122-761; 130-806; 138-846; 138-848; 154-925; 184-1143; 184-1146; 184-1148; 32-310_Site; 68-502_Site; 68-503_Site; 85-573_Site; 89-586_Site; 90-588_Site; 90-590_Site; 90-592; 90-593_Site; 9-77_Site; Caribbean Sea/RIDGE; COMPCORE; Composite Core; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Indian Ocean; Joides Resolution; Leg121; Leg122; Leg130; Leg138; Leg154; Leg184; Leg32; Leg68; Leg85; Leg89; Leg9; Leg90; North Pacific/CONT RISE; North Pacific/FLANK; North Pacific/HILL; North Pacific/TROUGH; North Pacific Ocean; Ocean Drilling Program; ODP; South Atlantic Ocean; South China Sea; South Indian Ridge, South Indian Ocean; South Pacific; South Pacific/Tasman Sea/CONT RISE; South Pacific/Tasman Sea/PLATEAU; South Pacific Ocean
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 7
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    A millennial scale planktonic foraminifer record of the mid-Pleistocene climate transition from the northern South China Sea (2005)
    PANGAEA
    In:  Supplement to: Zheng, Fan; Li, Qianyu; Li, Baohua; Chen, Muhong; Tu, Xia; Tian, Jun; Jian, Zhimin (2005): A millennial scale planktonic foraminifer record of the mid-Pleistocene climate transition from the northern South China Sea. Palaeogeography, Palaeoclimatology, Palaeoecology, 223(3-4), 349-363, https://doi.org/10.1016/j.palaeo.2005.04.018
    Details
    Publication Date: 2024-01-09
    Description: A high resolution record (~1100 yr) of planktonic foraminifers from ODP Site 1144 in the northern South China Sea reveals rapid and strongly variable climatic changes during the mid-Pleistocene transition period. The abundance of warm water species decreased from an average of 60% in marine isotope stage (MIS) 29 to 〈40% at MIS 22, followed by a steady increase in cool water species toward younger intervals. Many deep dwelling, warm water species decreased to a minimum during MIS 22 and remained extremely rare or even became absent in younger glacial intervals, indicating stepwise sea surface cooling in the region. Estimated SSTs show large fluctuations mostly at glacial-interglacial transitions. A maximum winter temperature difference of 11 °C (17-28 °C) across MIS 23/22 boundary likely corresponded to a major growth of boreal ice sheets across the MPT center at 0.9 myr, coupled with a strengthened winter monsoon over East Asia . The MPT event not only led to a better correlation between changes in species abundances and glacial-interglacial cycles but also a more constrained thermocline that shoaled considerably during subsequent glacial periods. The oxygen isotope record and the abundance of shallow water species display power spectra closely in pace with the 41,000 and 100,000 years cyclicities. A lower coherence over these cyclicities between deep-water dwelling species and the planktonic delta18O, a shoaled thermocline, and more positive glacial delta18O together suggest disturbances of surface and subsurface waters by intensified winter monsoons over the last 1.1-0.5 myr in the South China Sea.
    Keywords: 184-1144; COMPCORE; Composite Core; Joides Resolution; Leg184; Ocean Drilling Program; ODP; South China Sea
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 8
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    Planktonic foraminiferal stratigraphy, datum levels and ages of ODP Sites 184-1146 and 184-1148, South China Sea (2004)
    PANGAEA
    In:  Supplement to: Li, Qianyu; Jian, Zhimin; Li, Baohua (2004): Oligocene-Miocene planktonic foraminifer biostratigraphy, Site 1148, northern South China Sea. In: Prell, W.L., Wang, P., Blum, P., Rea, D.K., Clemens, S.C. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 184, 1-26, https://doi.org/10.2973/odp.proc.sr.184.220.2004
    Details
    Publication Date: 2024-01-09
    Description: Over 30 first and last occurrence (FO and LO, respectively) planktonic foraminifer datums were recognized from the Oligocene-Miocene section of Ocean Drilling Program (ODP) Site 1148. Most datum levels occur in similar order as, and are by correlation as probably synchronous with, their open-ocean records. Several datum levels represent local bioevents resulting from dissolution and Site 1148's unique paleoceanographic setting in the northern South China Sea. An age of 9.5-9.8 Ma is estimated for the local LO of Globoquadrina dehiscens (257 meters composite depth [mcd]), whereas the local LO of Globorotalia fohsi s.l. (301 mcd) is projected to be at ~13.0 Ma and the local FO of Globigerinatella insueta (367 mcd) is projected to be at ~18.0 Ma. The combined planktonic foraminifer and nannofossil results indicate that the Oligocene-Miocene section at Site 1148 is not complete. Unconformities up to 2-3 m.y. in duration, occurring at and before the Oligocene/Miocene boundary (OHS1, OHS2, OHS3, and OHS4 = MHS1), are associated with slump deposits between 457 and 495 mcd that signal tectonic instability during the transition from rifting to spreading in the South China Sea. Shorter unconformities of 〈0.5 m.y. duration that truncate the Miocene section were more likely to have been caused by sea-bottom erosion as well as dissolution. A total of 12 Miocene unconformities, MHS1 through MHS12, are mainly affected by dissolution and an elevated carbonate compensation depth (CCD) during Miocene third-order glaciations recorded in deep-sea positive oxygen isotope Mi glaciation events. Respectively, they fall at ~457 mcd (MHS1 = Mi-1), 407 mcd (MHS2 = Mi-1a), 385 mcd (MHS3 = Mi-1aa), 366 mcd (MHS4 = Mi-1b), 358 mcd (MHS5 = MLi-1), 333 mcd (MHS6 = Mi-2), 318 mcd (MHS7 = MSi-1), 308 mcd (MHS8 = Mi-3), 295 mcd (MHS9 = Mi-4), 288 mcd (MHS10 = Mi-5), 256 mcd (MHS11 = Mi-6), and 250 mcd (MHS12 = Mi-7). The correlation of these unconformities with Mi events indicates that some related driving mechanisms have been operating, causing deepwater circulation changes concomitantly in world oceans and in the marginal South China Sea.
    Keywords: 184-1146; 184-1148; 184-1148A; COMPCORE; Composite Core; DRILL; Drilling/drill rig; Joides Resolution; Leg184; Ocean Drilling Program; ODP; South China Sea
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 9
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    (Table T1) Miocene planktonic foraminiferal stratigraphy of ODP Hole 184-1148A (2004)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 184-1148A; Abundance estimate; Candeina nitida; Catapsydrax dissimilis; Catapsydrax parvulus; Catapsydrax unicavus; Comment; Dentoglobigerina altispira; Dentoglobigerina globosa; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Foraminifera, planktic abundance; Globigerina bulloides; Globigerina ciperoensis; Globigerinatella insueta; Globigerinella obesa; Globigerinella siphonifera; Globigerinita glutinata; Globigerinita juvenilis; Globigerinoides altiapertura; Globigerinoides bulloides; Globigerinoides conglobatus; Globigerinoides extremus; Globigerinoides kennetti; Globigerinoides obliquus; Globigerinoides primordius; Globigerinoides ruber; Globigerinoides sacculifer; Globoquadrina binaiensis; Globoquadrina dehiscens; Globoquadrina tripartita; Globoquadrina venezuelana; Globorotalia archeomenardii; Globorotalia birnageae; Globorotalia fohsi; Globorotalia menardii; Globorotalia miotumida; Globorotalia peripheroacuta; Globorotalia peripheroronda; Globorotalia plesiotumida; Globorotalia praefohsi; Globorotalia praemenardii; Globorotalia praescitula; Globorotalia scitula; Globorotalia spp.; Globorotalia tumida; Globorotaloides suteri; Joides Resolution; Leg184; Neogloboquadrina acostaensis; Neogloboquadrina continuosa; Ocean Drilling Program; ODP; Orbulina suturalis; Orbulina universa; Paragloborotalia birnageae; Paragloborotalia kugleri; Paragloborotalia mayeri; Paragloborotalia nana; Paragloborotalia semivera; Praeorbulina curva; Praeorbulina glomerosa; Praeorbulina sicana; Pulleniatina primalis; Sample code/label; Sample comment; South China Sea; Sphaeroidinella dehiscens; Sphaeroidinellopsis disjuncta; Sphaeroidinellopsis kochi; Sphaeroidinellopsis seminulina; Zeaglobigerina apertura; Zeaglobigerina connecta; Zeaglobigerina decoraperta; Zeaglobigerina druryi; Zeaglobigerina nepenthes; Zeaglobigerina rubescens; Zeaglobigerina woodi
    Type: Dataset
    Format: text/tab-separated-values, 42246 data points
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  • 10
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    (Table T3) Ages of the Miocene planktonic foraminifer zonal boundaries from ODP Sites 184-1146 and 184-1148 (2004)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 184-1146; 184-1148; Age, difference; Age model; Age model, Berggren et al (1995) BKSA95; Age model, optional; COMPCORE; Composite Core; DEPTH, sediment/rock; Event label; Joides Resolution; Leg184; Nannofossil zone; Ocean Drilling Program; ODP; South China Sea
    Type: Dataset
    Format: text/tab-separated-values, 90 data points
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