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  • 2005-2009  (304)
  • 1995-1999  (11)
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Year
  • 1
    Online Resource
    Online Resource
    Spätpleistozäne Variabilität der Zwischenwasserzirkulation im subtropischen Westatlantik auf glazial-interglazialen und suborbitalen Zeitskalen : Rekonstruktion anhand stabiler Kohlenstoffisotope und Spurenmetallverhältnisse in kalkschaligen Benthosforaminiferen (1999)
    Kiel
    Details Availability
    Keywords: Dissertation ; Hochschulschrift
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource ( 132Seiten = 27MB) , Ill., graph. Darst., Kt
    URL: https://oceanrep.geomar.de/id/eprint/44428/
    Language: German
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  • 2
    Online Resource
    Online Resource
    Die Entwicklung benthischer Foraminiferenfaunen während der Heinrich-Ereignisse I und II am Kontinentalhang vor Südportugal (1995)
    Kiel
    Details Availability
    Keywords: Hochschulschrift
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (96 Seiten = 6 MB) , Illustrationen, Graphen, Karten
    Edition: Online-Ausgabe
    URL: https://oceanrep.geomar.de/id/eprint/59110/
    Language: German
    Note: Zusammenfassung in deutscher und englischer Sprache
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  • 3
    Electronic Resource
    Electronic Resource
    Warming of the tropical Atlantic Ocean and slowdown of thermohaline circulation during the last deglaciation (1999)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 402 (1999), S. 511-514 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Evidence for abrupt climate changes on millennial and shorter timescales is widespread in marine and terrestrial climate records. Rapid reorganization of ocean circulation is considered to exert some control over these changes, as are shifts in the concentrations of atmospheric greenhouse ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/990069
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    Paper (German National Licenses)
    Fulltext
  • 4
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    Three hundred eighty thousand year long stable isotope and faunal records from the Red Sea: Influence of global sea level change on hydrography (1996)
    AGU (American Geophysical Union)
    In:  Paleoceanography, 11 (2). pp. 147-156.
    Details
    Publication Date: 2017-01-06
    Description: Stable isotope and faunal records from the central Red Sea show high-amplitude oscillations for the past 380,000 years. Positive δ18O anomalies indicate periods of significant salt buildup during periods of lowered sea level when water mass exchange with the Arabian Sea was reduced due to a reduced geometry of the Bab el Mandeb Strait. Salinities as high as 53‰ and 55‰ are inferred from pteropod and benthic foraminifera δ18O, respectively, for the last glacial maximum. During this period all planktonic foraminifera vanished from this part of the Red Sea. Environmental conditions improved rapidly after 13 ka as salinities decreased due to rising sea level. The foraminiferal fauna started to reappear and was fully reestablished between 9 ka and 8 ka. Spectral analysis of the planktonic δ18O record documents highest variance in the orbital eccentricity, obliquity, and precession bands, indicating a dominant influence of climatically - driven sea level change on environmental conditions in the Red Sea. Variance in the precession band is enhanced compared to the global mean marine climate record (SPECMAP), suggesting an additional influence of the Indian monsoon system on Red Sea climates.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1029/95PA03838
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 5
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    Thermohaline instability in the North Atlantic during meltwater events: Stable isotope and ice-rafted detritus records from Core SO75-26KL, Portuguese Margin (1997)
    AGU (American Geophysical Union)
    In:  Paleoceanography, 12 (5). pp. 696-710.
    Details
    Publication Date: 2017-05-10
    Description: A benthic isotope record has been measured for core SO75-26KL from the upper Portuguese margin (1099 m water depth) to monitor the response of thermohaline overturn in the North Atlantic during Heinrich events. Evaluating benthic δ18O in TS diagrams in conjunction with equilibrium δc fractionation implies that advection of Mediterranean outflow water (MOW) to the upper Portuguese margin was significantly reduced during the last glacial (〈 15% compared to 30% today). The benthic isotope record along core SO75-26KL therefore primarily monitors variability of glacial North Atlantic conveyor circulation. The 14C-accelerator mass spectrometry ages of 13.54±.07 and 20.46±.12 ka for two ice-rafted detritus (IRD) layers in the upper core section and an interpolated age of 36.1 ka for a third IRD layer deeper in the core are in the range of published 14C ages for Heinrich events H1, H2, and H4. Marked depletion of benthic δ13C by 0.7–1.1‰ during the Heinrich events suggests reduced thermohaline overturn in the North Atlantic during these events. Close similarity between meltwater patterns (inferred from planktonic δ18O) at Site 609 and ventilation patterns (inferred from benthic δ13C) in core SO75-26KL implies coupling between thermohaline overturn and surface forcing, as is also suggested by ocean circulation models. Benthic δ13C starts to decrease 1.5–2.5 kyr before Heinrich events Hl and H4, fully increased values are reached 1.5–3 kyr after the events, indicating a successive slowdown of thermohaline circulation well before the events and resumption of the conveyor's full strength well after the events. Benthic δ13C changes in the course of the Heinrich events show subtle maxima and minima suggesting oscillatory behavior of thermohaline circulation, a distinct feature of thermohaline instability in numerical models. Inferrred gradual spin-up of thermohaline circulation after Hl and H4 is in contrast to abrupt wanning in the North Atlantic region that is indicated by sudden increases in Greenland ice core δ18O and in marine faunal records from the northern North Atlantic. From this we infer that thermohaline circulation can explain only in part the rapid climatic oscillations seen in glacial sections of the Greenland ice core record.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1029/97PA00581
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 6
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    Moderne Studien zur Erfassung der Klimabedingungen der geologischen Vergangenheit (1999)
    Institut für Polarökologie Kiel
    In:  Mitteilungen zur Kieler Polarforschung, 15 . pp. 23-25.
    Details
    Publication Date: 2019-09-23
    Type: Article , NonPeerReviewed
    Format: text
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    OceanRep: Article in a Scientific Journal - without review
  • 7
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    North Atlantic 1997, Cruise No. 39, 18 April - 14 September 1997 [M39] (1999)
    Leitstelle Meteor
    In:  Meteor-Berichte, 99-1 . Leitstelle Meteor, Hamburg, Germany, 197 pp.
    Details
    Publication Date: 2020-04-21
    Type: Report , NonPeerReviewed
    Format: text
    Format: text
    Format: text
    Format: text
    Format: text
    Format: text
    Format: text
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    OceanRep: Report - other report
  • 8
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    North Atlantic thermohaline circulation during the last glacial period : evidence for coupling between meltwater events and convective instability (1997)
    GEOMAR Forschungszentrum für marine Geowissenschaften
    In:  (Professorial dissertation), Christian-Albrechts-Universität, Kiel, 139 pp . GEOMAR-Report, 063 . DOI 10.3289/GEOMAR_REP_63_1997 〈http://dx.doi.org/10.3289/GEOMAR_REP_63_1997〉.
    Details
    Publication Date: 2019-09-23
    Type: Thesis , NonPeerReviewed
    Format: text
    DOI: 10.3289/GEOMAR_REP_63_1997
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    OceanRep: Thesis - not published by a publisher
  • 9
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    (Table DS1) Benthic foraminifera in sediment core MD02-2589 (2007)
    PANGAEA
    Details
    Publication Date: 2023-07-09
    Keywords: Adelosina laevigata; Adelosina sp.; AGE; Alabaminella weddellensis; Amphicoryna scalaris; Anomalinoides sp.; Articulina sp.; Astacolus sp.; Astrononion sp.; Bolivina pseudoplicata; Bolivinellina translucens; Brizalina dilatata; Brizalina minima; Brizalina sp.; Brizalina spathulata; Brizalina striatula; Brizalina subspinescens; Brizalina variabilis; Buccella frigida; Bulimina elongata; Bulimina marginata; Bulimina mexicana; Bulimina rostrata; Bulimina sp.; CALYPSO; Calypso Corer; Cassidulina carinata; Cassidulina obtusa; Cassidulina sp.; Chilostomella oolina; Cibicides refulgens; Cibicides sp.; Cibicidoides pachyderma; Cibicidoides robertsonianus; Cibicidoides sp.; Counting; Counting, foraminifera; Counting, foraminifera, benthic; Counting 〉125 µm fraction; Counting 〉150 µm fraction; Counting 〉63 µm fraction; Cribrostomoides subglobosum; Cushmanina striatopunctata; Dentalina sp.; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Discorbinella bertheloti; Discorbinella sp.; Discorbis sp.; Eggerella bradyi; Epistominella exigua; Epistominella rugosa; Epistominella sp.; Epistominella vitrea; Eponides sp.; Estimated; Evolvocassidulina orientalis; Evolvocassidulina sp.; Evolvocassidulina tenuis; Evolvocassidulinoides bradyi; Favulina hexagona; Favulina squamosa; Fissurina lucida; Fissurina radiata; Fissurina semimarginata; Fissurina sp.; Fontbotia wuellerstorfi; Foraminifera, benthic; Foraminifera, benthic, other; Francesita advena; Fursenkoina sp.; Glabratellina sp.; Globobulimina sp.; Globocassidulina sp.; Globocassidulina subglobosa; Globulina gibba; Globulina sp.; Gyroidinoides cf. polius; Gyroidinoides lamarckiana; Gyroidinoides neosoldanii; Gyroidinoides sp.; Hoeglundina elegans; Homaloedra williamsoni; Hormosina sp.; Hyalinonetrium clavatum; Ioanella tumidula; Karreriella bradyi; Lagena nebulosa; Lagena semistriata; Lagena sp.; Lagena striata; Lagena substriata; Lagenosolenia seguenziana; Laticarinina pauperata; Lenticulina sp.; Lobatula lobatula; Marion Dufresne (1995); Martinottiella communis; MD02-2589; MD128; Melonis barleeanus; Melonis pompilioides; Melonis sphaeroides; Melonis zaandamae; Nodosaria doliolaris; Nodosaria sp.; Nonionella iridea; Nonionoides sp.; Nonion sp.; Oolina globosa; Oolina globosa var. setosa; Oolina ovum; Oolina sp.; Oridorsalis umbonatus; Osangularia lens; Palliolatella orbygniana; Palliolatella sp.; Parafissurina lateralis; Parafissurina sp.; Patellina corrugata; Planularia sp.; Pleurostomella sp.; Polymorphina sp.; Procerolagena gracilis; Pseudoolina multicostata; Pseudoolina sp.; Pullenia bulloides; Pullenia cf. subcarinata; Pullenia osloensis; Pullenia quinqueloba; Pullenia salisburyi; Pullenia sp.; Pullenia subsphaerica; Pyrgo depressa; Pyrgo murrhina; Pyrgo oblonga; Pyrgo serrata; Pyrgo subsphaerica; Quinqueloculina lamarckiana; Quinqueloculina lata; Quinqueloculina seminulum; Quinqueloculina sp.; Rosalina globularis; Rotalomorphina sp.; Rutherfordoides tessellata; Sigmoilinita distorta; Sigmoilinita tenuis; Sigmoilopsis schlumbergeri; Siphotextularia sp.; Southern Ocean; Spirosigmoilinita pusilla; Stainforthia concava; Stainforthia fusiformis; Stainforthia sp.; SWAF; Tosaia hanzawai; Trifarina bradyi; Triloculina sp.; Triloculina tricarinata; Triloculina trigonula; Trochammina sp.; Uvigerina peregrina; Uvigerina proboscidea; Valvalabamina sp.; Valvulineria minuta
    Type: Dataset
    Format: text/tab-separated-values, 19116 data points
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    DATA PANGAEA
  • 10
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    Stable isotope ratios of planktonic foraminifera from North Atlantic surface sediments (2007)
    PANGAEA
    In:  Supplement to: Cléroux, Caroline; Cortijo, Elsa; Duplessy, Jean-Claude; Zahn, Rainer (2007): Deep-dwelling foraminifera as thermocline temperature recorders. Geochemistry, Geophysics, Geosystems, 8(4), Q04N11, https://doi.org/10.1029/2006GC001474
    Details
    Publication Date: 2023-07-11
    Description: We measured the oxygen isotopic composition of the deep-dwelling foraminiferal species G. inflata, G. truncatulinoides dextral and sinistral, and P. obliquiloculata in 29 modern core tops raised from the North Atlantic Ocean. We compared calculated isotopic temperatures with atlas temperatures and defined ecological models for each species. G. inflata and G. truncatulinoides live preferentially at the base of the seasonal thermocline. Under temperature stress, i.e., when the base of the seasonal thermocline is warmer than 16°C, G. inflata and G. truncatulinoides live deeper in the main thermocline. P. obliquiloculata inhabits the seasonal thermocline in warm regions. We tested our model using 10 cores along the Mauritanian upwelling and show that the comparison of d18O variations registered by the surficial species G. ruber and G. bulloides and the deep-dwelling species G. inflata evidences significant glacial-interglacial shifts of the Mauritanian upwelling cells.
    Keywords: 408US; Atlantic; Barra fan; BC; Blake Plateau, Atlantic Ocean; Box corer; Calculated from stable oxygen isotopes; CALYPSO; Calypso Corer; Cape Hateras; CHO288-54; DEPTH, sediment/rock; Elevation of event; Event label; F1KR02; F1KR10; F1KR11; F1KR12; F1KS39; F2KR01; F2KR07; FAEGAS; GC; Gibbs fracture; Globorotalia inflata, δ13C; Globorotalia inflata, δ18O; Globorotalia truncatulinoides dextral, δ13C; Globorotalia truncatulinoides dextral, δ18O; Globorotalia truncatulinoides sinistral, δ13C; Globorotalia truncatulinoides sinistral, δ18O; Grab; GRAB; Gravity corer; Iceland; IMAGES I; IMAGES IX - PAGE; IMAGES V; IMAGES XI - P.I.C.A.S.S.O.; INMD; INMD-042BX; INMD-048BX; INMD-052P; INMD-068BX; La Salle Basin; Latitude of event; Le Suroît; Longitude of event; Marion Dufresne (1995); Mass spectrometer Finnigan MAT 251; MD022549; MD02-2549; MD032649G; MD03-2649G; MD101; MD114; MD127; MD132; MD952002; MD95-2002; MD952005; MD95-2005; MD952014; MD95-2014; MD952017; MD95-2017; MD952019; MD95-2019; MD952021; MD95-2021; MD952023; MD95-2023; MD952039; MD95-2039; MD952041; MD95-2041; MD99-2203; Melville; Meriadzec; Namoc; North Atlantic; PALEOCINAT; PC; Piston corer; Porto Seamount; Pulleniatina obliquiloculata, δ13C; Pulleniatina obliquiloculata, δ18O; Sea surface temperature, annual mean; Size fraction; SU90-02; SU90-03; SU90-06; SU90-08; SU90-37
    Type: Dataset
    Format: text/tab-separated-values, 2051 data points
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    DATA PANGAEA
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