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  • 2005-2009  (304)
  • 2000-2004  (50)
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Year
  • 1
    Online Resource
    Online Resource
    C org-reiche Sedimenthorizonte der Alboran See (ODP Site 976, westlichstes Mittelmeer) : Rekonstruktion der Ablagerungsbedingungen nach hochauflösenden Profilen stabiler Sauerstoff- und Kohlenstoffisotope und der Häufigkeitsverteilung benthischer Foraminiferen (Teil 2 : Laborarbeit) (2000)
    Kiel
    Details Availability
    Keywords: Hochschulschrift ; Hochschulschrift
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (94 Seiten = 6 MB) , Graphen, Karte
    Edition: Online-Ausgabe 2023
    URL: https://oceanrep.geomar.de/id/eprint/59453/
    Language: German
    Note: Zusammenfassung in deutscher und englischer Sprache
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  • 2
    Electronic Resource
    Electronic Resource
    Global change Monsoon linkages (2003)
    [s.l.] : Nature Publishing Group
    Nature 421 (2003), S. 324-325 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The monsoon is the main determinant of environmental conditions over much of Asia, and so affects the most densely populated region on Earth. Differential heating of the north Indian Ocean and the northwest Pacific, and of the Asian land-mass, cause the seasonal reversal of monsoon winds. In ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/421324a
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    Paper (German National Licenses)
    Fulltext
  • 3
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    Global change: Monsoon linkages (2003)
    Nature Publishing Group
    In:  Nature, 421 (6921). pp. 324-325.
    Details
    Publication Date: 2016-07-19
    Description: An excellent sediment record from the Arabian Sea traces recent patterns in the activity of the Asian monsoon. It reveals both variability in monsoon strength and links with climatic events elsewhere. The monsoon is the main determinant of environmental conditions over much of Asia, and so affects the most densely populated region on Earth. Differential heating of the north Indian Ocean and the northwest Pacific, and of the Asian land-mass, cause the seasonal reversal of monsoon winds. In summer, these winds blow northwards over the northern Indian Ocean, carrying huge amounts of moisture over the neighbouring land. The ensuing heavy rainfall can have devastating consequences for human life and livelihood. Conversely, agriculture in Asia depends on monsoon rains; and the seasonal upwelling of nutrient-laden subsurface waters, driven by monsoon winds, is essential to the success of coastal fisheries.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1038/421324a
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 4
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    Suborbital intermediate water variability inferred from paired benthic foraminiferal Cd/Ca and δ13C in the tropical West Atlantic and linking with North Atlantic climates (2002)
    Elsevier
    In:  Earth and Planetary Science Letters, 200 (1-2). pp. 191-205.
    Details
    Publication Date: 2016-07-15
    Description: Paired benthic Cd/Ca and δ13C records have been generated along core M35003 in the western tropical Atlantic. Decreased glacial water column dissolved cadmium (Cdw) and increased benthic δ13C indicate enhanced ventilation with nutrient-deplete intermediate waters, in line with similar inferences from other North Atlantic mid-depth records. An abrupt early deglacial δ13C collapse that is associated with a marked positive Cdw anomaly indicates a transient collapse of mid-depth ventilation from North Atlantic sources, conceivably in conjunction with the H1 meltwater anomaly. The Cdw record displays fine-scale fluctuations that mimic the Greenland Dansgaard/Oeschger (D/O) cycles and show decreased Cdw during stadials. This pattern is opposite to Cdw variations in a deep water record from Bermuda Rise that display increased Cdw concentrations during stadials. The divergent pattern between mid-depth and deep water Cdw records indicates millennial-scale switches between deep and shallow convection in the glacial North Atlantic, at the pace of the D/O climatic cycles. Several high-amplitude anomalies occur in the Cdw record that reach levels similar to those observed today in the North Pacific. While a substantial nutrient increase in the mid-depth North Atlantic cannot be ruled out during these events, changes of pore water chemistry and Cd/P fractionation during biological uptake offer alternative scenarios to explain the peak Cdw maxima.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/S0012-821X(02)00613-1
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 5
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    Late Glacial to Holocene history of the Mediterranean Outflow. Evidence from benthic foraminiferal assemblages and stable isotopes at the Portuguese margin (2000)
    Elsevier
    In:  Palaeogeography, Palaeoclimatology, Palaeoecology, 159 (1-2). pp. 85-111.
    Details
    Publication Date: 2020-08-07
    Description: Records of benthic foraminiferal assemblage variations and benthic δ13C along 12 sediment cores from the western Iberian Margin, between 36° and 42°N at water depths from 820 to 3580 m, are used to monitor fluctuations of the Mediterranean Outflow Water (MOW) during the past 30 ka. The chronostratigraphy of the cores is based on planktonic δ18O records, 14C AMS-dating, and the recognition of Heinrich Events H1 through H4. Increased abundances of suspension feeding benthic foraminifers, denoted as ’Epibenthos Group‘, closely match areas where the recent MOW core layers impinge on the continental slope at 800 and 1300 m water depth, and near-bottom current velocities are enhanced. Elevated ‘Epibenthos Group’ abundances, increased benthic δ13C, and sedimentological evidence for winnowing and erosion are found in glacial sections up to the earliest Termination I in cores at water depths between 1600 and 2200 m off southern Portugal. The combined evidence reveals enhanced current activity at these depths due to a deep glacial MOW. The MOW advection at the Portuguese margin during the last Glacial was about 700 m deeper than today, conceivably forced by increased MOW density due to higher salinity and colder temperatures of Mediterranean waters. The deep MOW current gradually decreased in strength and shoaled to 1300 m water depth during the Termination and early Holocene. A shallow MOW core layer became active with the onset of Termination I at depths between 600 and 1000 m. Both the shallow and deep MOW current culminated during the Younger Dryas period. The present flow pattern with two MOW core layers centred at 800 and 1300 m water depth was established between 7.5 and 5.5 ka.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/S0031-0182(00)00035-3
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 6
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    Paläo-Ozeanographie (2001)
    GeoForschungsZentrum Potsdam
    In:  In: Klimaweißbuch : Klimainformationen aus geowissenschaftlicher Forschung (Fallstudien) ; Stand und notwendige Erfordernisse der Paläoklimaforschung. , ed. by Negendank, J. F. W. Terra Nostra, 2001,7 . GeoForschungsZentrum Potsdam, Potsdam, pp. 53-57.
    Details
    Publication Date: 2014-07-23
    Type: Book chapter , NonPeerReviewed
    Format: text
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    OceanRep: Book chapter
  • 7
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    Surface and deep water response to rapid climate changes at the Western Iberian Margin (2003)
    Elsevier
    In:  Global and Planetary Change, 36 . pp. 237-264.
    Details
    Publication Date: 2017-09-13
    Description: Rapid climate changes at the onset of the last deglaciation and during Heinrich Event H4 were studied in detail at IMAGES cores MD95-2039 and MD95-2040 from the Western Iberian margin. A major reorganisation of surface water hydrography, benthic foraminiferal community structure, and deepwater isotopic composition commenced already 540 years before the Last Isotopic Maximum (LIM) at 17.43 cal. ka and within 670 years affected all environments. Changes were initiated by meltwater spill in the Nordic Seas and northern North Atlantic that commenced 100 years before concomitant changes were felt off western Iberia. Benthic foraminiferal associations record the drawdown of deepwater oxygenation during meltwater and subsequent Heinrich Events H1 and H4 with a bloom of dysoxic species. At a water depth of 3380 m, benthic oxygen isotopes depict the influence of brines from sea ice formation during ice-rafting pulses and meltwater spill. The brines conceivably were a source of ventilation and provided oxygen to the deeper water masses. Some if not most of the lower deep water came from the South Atlantic. Benthic foraminiferal assemblages display a multi-centennial, approximately 300-year periodicity of oxygen supply at 2470-m water depth. This pattern suggests a probable influence of atmospheric oscillations on the thermohaline convection with frequencies similar to Holocene climate variations. For Heinrich Events H1 and H4, response times of surface water properties off western Iberia to meltwater injection to the Nordic Seas were extremely short, in the range of a few decades only. The ensuing reduction of deepwater ventilation commenced within 500–600 years after the first onset of meltwater spill. These fast temporal responses lend credence to numerical simulations that indicate ocean–climate responses on similar and even faster time scales.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/S0921-8181(02)00197-2
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 8
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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
  • 9
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    (Table 1) Age determination of sediment core BS79-33 (2001)
    PANGAEA
    Details
    Publication Date: 2023-07-20
    Keywords: Age, 14C AMS; Age, calculated calendar years; Age, comment; Age, dated; Age, dated material; BS79-33; Calculated; Calendar age; DEPTH, sediment/rock; Duration; GC; Gravity corer; Sedimentation rate
    Type: Dataset
    Format: text/tab-separated-values, 80 data points
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    DATA PANGAEA
  • 10
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    (Table 1) Age determination of sediment core BS79-38 (2001)
    PANGAEA
    Details
    Publication Date: 2023-07-20
    Keywords: Age, 14C AMS; Age, calculated calendar years; Age, comment; Age, dated; BS79-38; Calendar age; DEPTH, sediment/rock; Duration; GC; Gravity corer; Sedimentation rate
    Type: Dataset
    Format: text/tab-separated-values, 43 data points
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    DATA PANGAEA
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