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  • 053-2; 057-1; 087-1; 162-983; 165-1002; 172-1060; 175-1078C; 175-1084; 293; 311; 3664N/S; 63F/NL; 90b; 94-609; Agadir Canyon; ALIENOR; ALTITUDE; AMADEUS; Amazon Fan; AMOCINT, IMAGES XVII; Angola Basin; ARK-X/2; Atlantic; Atlantic Ocean; Atlantic sediment cores; Azores; BC; Benguela Current, South Atlantic Ocean; Blake-Bahama Outer Ridge, North Atlantic Ocean; Box corer; CALYPSO; Calypso Corer; Calypso square corer; Calypso Square Core System; CASQ; CASQS; Cayman Rise, Caribbean Sea; CD159; CD159-10; CD159-17; CEPAG; CH22KW31; CH69-K09; Charles Darwin; CHO288-54; Comment; COMPCORE; Composite Core; consistent dating; Continental Slope Northeast Brazil; Core; CORE; Corner Rise; DAPC2; Denmark Strait; De Soto Canyon; DRILL; Drilling/drill rig; East Atlantic; ENAM9321; ENAM93-21; Event label; EW9209-1JPC; Faeroes Bank; Falkland Plateau, Southern Falkland Plateau (same site as GC526); Faroe Islands margin; Florida Strait; French Guiana; GC; GC528 CORE_NO 528; GeoB1023-5; GeoB1515-1; GeoB16202-2; GeoB16206-1; GeoB16224-1; GeoB1711; GeoB1711-4; GeoB1720-2; GeoB3202-1; GeoB3910-2; GeoB4240-2; GeoB5546-2; GeoB6201-5; GeoB7920-2; GeoB9508-5; GeoB9526-5; GEOFAR; GEOSCIENCES, MARMARCORE; GGC; GGC5; Giant gravity corer; GIK12392-1; GIK15669-1; GIK23415-9; GL1090; GL-1090; Glomar Challenger; Gravity corer; Gravity corer (Kiel type); GS07-150-17/1GC-A; Iceland; IMAGES I; IMAGES IX - PAGE; IMAGES V; IMAGES XV - Pachiderme; James Clark Ross; Joides Resolution; JOPSII-8; JR20110128; JR244; JR244-GC528; KAL; Kasten corer; KF13; KF16; KL; KM31; KN_USA; KN159-5; KN166-2; Knorr; KNR140; KNR140-2-51GGC; KNR140-51GGC; KNR159-5; KNR159-5-36GGC; KNR159-5-42JPC; KNR166-2; KNR166-2-26; KNR166-2-26JPC; KNR166-2-29; KNR166-2-29JPC; KNR166-2-31; KNR166-2-31JPC; KNR166-2-73; KNR166-2-73GGC; KNR197-10; KNR197-10-GGC17; KNR31GPC5; last 40 ky; LATITUDE; Leg162; Leg165; Leg172; Leg175; Leg94; Le Noroit; Le Suroît; LONGITUDE; M12392-1; M16/2; M17/2; M20/2; M25; M34/4; M35/1; M35003-4; M37/1; M39/1; M39/1_08-3; M39008-3; M42/4b; M46/2; M53; M53_169; M53/1; M6/6; M65/1; Marge Ibérique; Maria S. Merian; Marion Dufresne (1995); MD01-2461; MD022575; MD02-2575; MD02-2588; MD02-2588Q; MD02-2592; MD02-2594; MD03-2697; MD03-2698; MD03-2705; MD03-2707; MD04-2805CQ; MD04-2805Q; MD04-2845; MD07-3076; MD07-3076Q; MD08-3167; MD08-3180; MD08-3227G; MD09-3246; MD09-3256; MD09-3256Q; MD101; MD114; MD123; MD127; MD128; MD134; MD140; MD141; MD159; MD16-3511; MD16-3511Q; MD168; MD173; MD952002; MD95-2002; MD952006; MD95-2006; MD952010; MD95-2010; MD952014; MD95-2014; MD952037; MD95-2037; MD952039; MD95-2039; MD952040; MD95-2040; MD952041; MD95-2041; MD952042; MD95-2042; MD99-2281; MD99-2284; MD99-2331; MD99-2334; Meriadzec; Meteor (1964); Meteor (1986); Method comment; MSM20/3; N. Shetland channel; NA87-22; Namibia continental slope; Newfoundland margin; North Atlantic; North Atlantic/FLANK; North East Atlantic; Northeast Brasilian Margin; Norwegian Sea; OCE205-103GGC; OCE205-2-100GGC; OCE205-2-100GGGC; OCE205-2-103GGC; OCE326-GGC5; off Rio Paraiba do Sul; off West Africa; PALEOCINAT; PALEOCINAT II; PC; Persistent Identifier; PICABIA; Piston corer; Piston corer (BGR type); Polarstern; Porto Seamount; PRIVILEGE; PS2644-5; PS31; PS31/160-5; RAPiD-10-1P; RAPiD-17-5P; Reference/source; RETRO-2; REYKJANES-RÜCKEN; S94-2-KS04; SL; SO82; SO82_5-2; Sonne; South Atlantic; South Atlantic Ocean; Southern Ocean; South of Iceland; SU81-18; SU90-08; SU90-24; SU92; SU92-03; SWAF; Tagus-Sado canyon system; TNO57-21; Uniform resource locator/link to graphic; V29; V29-202; Vema; Victor Hensen; Vigo; Voring Plateau; western South Atlantic  (1)
  • 293; Age, maximum/old; Age, minimum/young; Age model; DEPTH, sediment/rock; GeoB9508-5; Gravity corer (Kiel type); M65/1; Meteor (1986); SL  (1)
  • 302-M0004C; ACEX-M4C; Age, 14C AMS; Age, 14C calibrated, CALIB (Stuiver & Reimer, 1993); Age, dated; Age, dated material; Age, error; Age, maximum/old; Age, minimum/young; Arctic Coring Expedition, ACEX; Arctic Ocean; Calendar age; CCGS Captain Molly Kool (Vidar Viking); DEPTH, sediment/rock; Exp302; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Isotope ratio mass spectrometry; Neogloboquadrina pachyderma dextral and/or sinistral, δ13C; Sample, optional label/labor no; Sample code/label  (1)
Document type
Keywords
Publisher
Years
  • 1
    Publication Date: 2023-06-27
    Description: The Integrated Ocean Drilling Program (IODP) Arctic Coring Expedition (ACEX) Hole 4C from the Lomonosov Ridge in the central Arctic Ocean recovered a continuous 18 m record of Quaternary foraminifera yielding evidence for seasonally ice-free interglacials during the Matuyama, progressive development of large glacials during the mid-Pleistocene transition (MPT) ~1.2-0.9 Ma, and the onset of high-amplitude 100-ka orbital cycles ~500 ka. Foraminiferal preservation in sediments from the Arctic is influenced by primary (sea ice, organic input, and other environmental conditions) and secondary factors (syndepositional, long-term pore water dissolution). Taking these into account, the ACEX 4C record shows distinct maxima in agglutinated foraminiferal abundance corresponding to several interglacials and deglacials between marine isotope stages (MIS) 13-37, and although less precise dating is available for older sediments, these trends appear to continue through the Matuyama. The MPT is characterized by nearly barren intervals during major glacials (MIS 12, 16, and 22-24) and faunal turnover (MIS 12-24). Abundant calcareous planktonic (mainly Neogloboquadrina pachyderma sin.) and benthic foraminifers occur mainly in interglacial intervals during the Brunhes and very rarely in the Matuyama. A distinct faunal transition from calcareous to agglutinated foraminifers 200-300 ka in ACEX 4C is comparable to that found in Arctic sediments from the Lomonosov, Alpha, and Northwind ridges and the Morris Jesup Rise. Down-core disappearance of calcareous taxa is probably related to either reduced sea ice cover prior to the last few 100-ka cycles, pore water dissolution, or both.
    Keywords: 302-M0004C; ACEX-M4C; Age, 14C AMS; Age, 14C calibrated, CALIB (Stuiver & Reimer, 1993); Age, dated; Age, dated material; Age, error; Age, maximum/old; Age, minimum/young; Arctic Coring Expedition, ACEX; Arctic Ocean; Calendar age; CCGS Captain Molly Kool (Vidar Viking); DEPTH, sediment/rock; Exp302; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Isotope ratio mass spectrometry; Neogloboquadrina pachyderma dextral and/or sinistral, δ13C; Sample, optional label/labor no; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 30 data points
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-04-16
    Keywords: 293; Age, maximum/old; Age, minimum/young; Age model; DEPTH, sediment/rock; GeoB9508-5; Gravity corer (Kiel type); M65/1; Meteor (1986); SL
    Type: Dataset
    Format: text/tab-separated-values, 3885 data points
    Location Call Number Limitation Availability
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  • 3
    Publication Date: 2024-05-27
    Description: Rapid changes in ocean circulation and climate have been observed in marine-sediment and ice cores over the last glacial period and deglaciation, highlighting the non-linear character of the climate system and underlining the possibility of rapid climate shifts in response to anthropogenic greenhouse gas forcing. To date, these rapid changes in climate and ocean circulation are still not fully explained. One obstacle hindering progress in our understanding of the interactions between past ocean circulation and climate changes is the difficulty of accurately dating marine cores. Here, we present a set of 92 marine sediment cores from the Atlantic Ocean for which we have established age-depth models that are consistent with the Greenland GICC05 ice core chronology, and computed the associated dating uncertainties, using a new deposition modeling technique. This is the first set of consistently dated marine sediment cores enabling paleoclimate scientists to evaluate leads/lags between circulation and climate changes over vast regions of the Atlantic Ocean. Moreover, this data set is of direct use in paleoclimate modeling studies.
    Keywords: 053-2; 057-1; 087-1; 162-983; 165-1002; 172-1060; 175-1078C; 175-1084; 293; 311; 3664N/S; 63F/NL; 90b; 94-609; Agadir Canyon; ALIENOR; ALTITUDE; AMADEUS; Amazon Fan; AMOCINT, IMAGES XVII; Angola Basin; ARK-X/2; Atlantic; Atlantic Ocean; Atlantic sediment cores; Azores; BC; Benguela Current, South Atlantic Ocean; Blake-Bahama Outer Ridge, North Atlantic Ocean; Box corer; CALYPSO; Calypso Corer; Calypso square corer; Calypso Square Core System; CASQ; CASQS; Cayman Rise, Caribbean Sea; CD159; CD159-10; CD159-17; CEPAG; CH22KW31; CH69-K09; Charles Darwin; CHO288-54; Comment; COMPCORE; Composite Core; consistent dating; Continental Slope Northeast Brazil; Core; CORE; Corner Rise; DAPC2; Denmark Strait; De Soto Canyon; DRILL; Drilling/drill rig; East Atlantic; ENAM9321; ENAM93-21; Event label; EW9209-1JPC; Faeroes Bank; Falkland Plateau, Southern Falkland Plateau (same site as GC526); Faroe Islands margin; Florida Strait; French Guiana; GC; GC528 CORE_NO 528; GeoB1023-5; GeoB1515-1; GeoB16202-2; GeoB16206-1; GeoB16224-1; GeoB1711; GeoB1711-4; GeoB1720-2; GeoB3202-1; GeoB3910-2; GeoB4240-2; GeoB5546-2; GeoB6201-5; GeoB7920-2; GeoB9508-5; GeoB9526-5; GEOFAR; GEOSCIENCES, MARMARCORE; GGC; GGC5; Giant gravity corer; GIK12392-1; GIK15669-1; GIK23415-9; GL1090; GL-1090; Glomar Challenger; Gravity corer; Gravity corer (Kiel type); GS07-150-17/1GC-A; Iceland; IMAGES I; IMAGES IX - PAGE; IMAGES V; IMAGES XV - Pachiderme; James Clark Ross; Joides Resolution; JOPSII-8; JR20110128; JR244; JR244-GC528; KAL; Kasten corer; KF13; KF16; KL; KM31; KN_USA; KN159-5; KN166-2; Knorr; KNR140; KNR140-2-51GGC; KNR140-51GGC; KNR159-5; KNR159-5-36GGC; KNR159-5-42JPC; KNR166-2; KNR166-2-26; KNR166-2-26JPC; KNR166-2-29; KNR166-2-29JPC; KNR166-2-31; KNR166-2-31JPC; KNR166-2-73; KNR166-2-73GGC; KNR197-10; KNR197-10-GGC17; KNR31GPC5; last 40 ky; LATITUDE; Leg162; Leg165; Leg172; Leg175; Leg94; Le Noroit; Le Suroît; LONGITUDE; M12392-1; M16/2; M17/2; M20/2; M25; M34/4; M35/1; M35003-4; M37/1; M39/1; M39/1_08-3; M39008-3; M42/4b; M46/2; M53; M53_169; M53/1; M6/6; M65/1; Marge Ibérique; Maria S. Merian; Marion Dufresne (1995); MD01-2461; MD022575; MD02-2575; MD02-2588; MD02-2588Q; MD02-2592; MD02-2594; MD03-2697; MD03-2698; MD03-2705; MD03-2707; MD04-2805CQ; MD04-2805Q; MD04-2845; MD07-3076; MD07-3076Q; MD08-3167; MD08-3180; MD08-3227G; MD09-3246; MD09-3256; MD09-3256Q; MD101; MD114; MD123; MD127; MD128; MD134; MD140; MD141; MD159; MD16-3511; MD16-3511Q; MD168; MD173; MD952002; MD95-2002; MD952006; MD95-2006; MD952010; MD95-2010; MD952014; MD95-2014; MD952037; MD95-2037; MD952039; MD95-2039; MD952040; MD95-2040; MD952041; MD95-2041; MD952042; MD95-2042; MD99-2281; MD99-2284; MD99-2331; MD99-2334; Meriadzec; Meteor (1964); Meteor (1986); Method comment; MSM20/3; N. Shetland channel; NA87-22; Namibia continental slope; Newfoundland margin; North Atlantic; North Atlantic/FLANK; North East Atlantic; Northeast Brasilian Margin; Norwegian Sea; OCE205-103GGC; OCE205-2-100GGC; OCE205-2-100GGGC; OCE205-2-103GGC; OCE326-GGC5; off Rio Paraiba do Sul; off West Africa; PALEOCINAT; PALEOCINAT II; PC; Persistent Identifier; PICABIA; Piston corer; Piston corer (BGR type); Polarstern; Porto Seamount; PRIVILEGE; PS2644-5; PS31; PS31/160-5; RAPiD-10-1P; RAPiD-17-5P; Reference/source; RETRO-2; REYKJANES-RÜCKEN; S94-2-KS04; SL; SO82; SO82_5-2; Sonne; South Atlantic; South Atlantic Ocean; Southern Ocean; South of Iceland; SU81-18; SU90-08; SU90-24; SU92; SU92-03; SWAF; Tagus-Sado canyon system; TNO57-21; Uniform resource locator/link to graphic; V29; V29-202; Vema; Victor Hensen; Vigo; Voring Plateau; western South Atlantic
    Type: Dataset
    Format: text/tab-separated-values, 563 data points
    Location Call Number Limitation Availability
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