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  • 2000-2004  (34)
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  • 1
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    Unknown
    Age determination of Southeast Atlantic sediment cores (2004)
    PANGAEA
    In:  Supplement to: Versteegh, Gerard J M; Schefuß, Enno; Dupont, Lydie M; Marret, Fabienne; Sinninghe Damsté, Jaap S; Jansen, J H Fred (2004): Taraxerol and Rhizophora pollen as proxies for tracking past mangrove ecosystems. Geochimica et Cosmochimica Acta, 68(3), 411-422, https://doi.org/10.1016/S0016-7037(03)00456-3
    Details
    Publication Date: 2023-10-21
    Description: Angola Basin and Cape Basin (southeast Atlantic) surface sediments and sediment cores show that maxima in the abundance of taraxerol (relative to other land-derived lipids) covary with maxima in the relative abundance of pollen from the mangrove tree genus Rhizophora and that in the surface sediments offshore maxima in the relative abundance of taraxerol occur at latitudes with abundant coastal mangrove forests. Together with the observation that Rhizophora mangle and Rhizophora racemosa leaves are extraordinarily rich in taraxerol, this strongly indicates that taraxerol can be used as a lipid biomarker for mangrove input to the SE Atlantic. The proxy-environment relations for taraxerol and Rhizophora pollen down-core show that increased taraxerol and Rhizophora pollen abundances occur during transgressions and periods with a humid climate. These environmental changes modify the coastal erosion and sedimentation patterns, enhancing the extent of the mangrove ecosystem and/or the transport of mangrove organic matter offshore. Analyses of mid-Pleistocene sediments show that interruption of the pattern of taraxerol maxima during precession minima occurs almost only during periods of low obliquity. This demonstrates the complex environmental response of the interaction between precession-related humidity cycles and obliquity-related sea-level changes on mangrove input.
    Keywords: GeoB; Geosciences, University of Bremen; NIOZ89; PC; Piston corer; SFB261; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; Southeast Atlantic; T89-16; T89-16-PC; Tyro
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    (Table 2) Age assessment T89-16, 14C dates and their calibration, Southeast Atlantic (2004)
    PANGAEA
    Details
    Publication Date: 2023-10-21
    Keywords: Age, 14C AMS; Age, dated; Age, dated, range, maximum; Age, dated, range, minimum; Age, dated standard deviation; DEPTH, sediment/rock; GeoB; Geosciences, University of Bremen; NIOZ89; PC; Piston corer; SFB261; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; Southeast Atlantic; T89-16; T89-16-PC; Tyro
    Type: Dataset
    Format: text/tab-separated-values, 70 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    (TAble 3) Spline interpolated ages of T89-16 sediment samples used for lipid analyses, Southeast Atlantic (2004)
    PANGAEA
    Details
    Publication Date: 2023-10-21
    Keywords: Age, 14C AMS; Age, dated; DEPTH, sediment/rock; GeoB; Geosciences, University of Bremen; NIOZ89; PC; Piston corer; SFB261; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; Southeast Atlantic; T89-16; T89-16-PC; Tyro
    Type: Dataset
    Format: text/tab-separated-values, 23 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Offsets applied to construct the revised composite depth to cores, ODP Site 175-1077 (Table T1) (2001)
    PANGAEA
    In:  Supplement to: Jansen, J H Fred; Dupont, Lydie M (2001): Data report: A revised composite depth record for Site 1077 based on magnetic susceptibility and XRF (CORTEX) data. In: Wefer, G; Berger, WH; Richter, C (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 175, 1-10, https://doi.org/10.2973/odp.proc.sr.175.236.2001
    Details
    Publication Date: 2024-01-09
    Description: The composite depth scale for Holes 1077A and 1077B (Shipboard Scientific Party, 1998) contains imperfections between 115 and 155 meters composite depth (mcd). The spliced magnetic susceptibility record shows discrepancies when compared to the record of Site 1075 at 120-125 and 140-150 mcd (Ocean Drilling Program [ODP] Site 1077 scale) around marine isotope Stages 22 and 34, respectively. In addition, the offsets applied to transform the standard meters below seafloor (mbsf) depths into composite depths cause overlaps between cores of the same hole at the transitions between Cores 175-1077A-12H and 13H, 175-1077B-12H and 13H, and 175-1077B-13H and 14H. These overlaps are supported neither by visual investigation of the lithology in the core photographs (see 'Site 1077 Core Descriptions and Photographs' in Wefer, Berger, Richter, et al., 1998, doi:10.2973/odp.proc.ir.175.1998) nor by the pollen and dinoflagellate content. For these reasons, we have reassessed the Site 1077 composite depth scale.
    Keywords: 175-1077A; 175-1077B; Benguela Current, South Atlantic Ocean; Cumulative Offset; Depth, composite revised; DEPTH, sediment/rock; Differential Offset; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Joides Resolution; Leg175; Ocean Drilling Program; ODP; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 44 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Composite depth of Site 175-1077 (2001)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 175-1077; Benguela Current, South Atlantic Ocean; COMPCORE; Composite Core; Depth, composite; DEPTH, sediment/rock; Intercore correlation; Joides Resolution; Leg175; Ocean Drilling Program; ODP
    Type: Dataset
    Format: text/tab-separated-values, 37 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Age model of site GIK16867 (2000)
    PANGAEA
    Details
    Publication Date: 2024-02-03
    Keywords: Age, comment; Age, pollen stratigraphy; Age model; Calculated; Depth, composite; DEPTH, sediment/rock; Event label; Giant box corer; GIK/IfG; GIK16867-1; GIK16867-2; GIK16867-3; GKG; Gravity corer (Kiel type); Institute for Geosciences, Christian Albrechts University, Kiel; Intercore correlation; KOL; M6/5; Meteor (1986); off Gabun; Piston corer (Kiel type); Sedimentation rate; SL
    Type: Dataset
    Format: text/tab-separated-values, 117 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Percent of total pollen and spores in holocene sediments from the southeast Atlantic (Table 5) (2003)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: 175-1075A; 175-1079A; 175-1082A; 175-1084A; AGE; Angola Basin; Benguela Current, South Atlantic Ocean; C3 plants, pollen; Calculated, see reference(s); Cape reeds, pollen; Compositae, pollen; Cyperaceae; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Fern spores, pollen; GeoB; GeoB1008-3; GeoB1016-3; GeoB1028-5; GeoB1710-3; Geosciences, University of Bremen; Grass, pollen; Gravity corer (Kiel type); Joides Resolution; Latitude of event; Leg175; Longitude of event; M20/2; M6/6; Meteor (1986); Namibia continental slope; Ocean Drilling Program; ODP; Pollen; Sample code/label; SL; Tribulus, pollen; Walvis Ridge, Southeast Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 68 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Pollen accumulation rates in holocene sediments from the southeast Atlantic (Table 5) (2003)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: 175-1075A; 175-1079A; 175-1082A; 175-1084A; Accumulation rate, C3 plants; Accumulation rate, cape reeds pollen; Accumulation rate, compositae; Accumulation rate, Cyperaceae; Accumulation rate, fern spores; Accumulation rate, grass pollen; Accumulation rate, pollen; Accumulation rate, tribulus; AGE; Angola Basin; Benguela Current, South Atlantic Ocean; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elevation of event; Event label; GeoB; GeoB1008-3; GeoB1016-3; GeoB1028-5; GeoB1710-3; GeoB1722-1; Geosciences, University of Bremen; Gravity corer (Kiel type); Joides Resolution; Latitude of event; Leg175; Longitude of event; M20/2; M6/6; Meteor (1986); Namibia continental slope; Ocean Drilling Program; ODP; pollen analytical standard techniques (Faegri & Iversen, 1989, Textbook Pollen); Sample code/label; SL; Walvis Ridge, Southeast Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 76 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Pollen analysis of sediment core GeoB1711-4 (2001)
    PANGAEA
    Details
    Publication Date: 2024-03-06
    Keywords: Acacia/Parkia; Acanthaceae; Adenia; Aizoaceae; Alchornea; Amaranthaceae/Chenopodiaceae; Antidesma-type; Artemisia (Africa); Azadirachta; Balanites; Baphia-type; Barleria; Borreria; Boscia-type; Boswellia; Brachystegia; Brassicaceae; Bridelia; Burkea; Cadaba; Caryophyllaceae; Cassia-type; Celastraceae/Hippocrateaceae; Centaurea (Africa); Clausena; Cleome; Cnestis-type; Coffea-type; Combretaceae/Melastomataceae; Commiphora; Compositae Liguliflorae; Compositae Tubuliflorae; Counting, palynology; Crassulaceae (Africa); Crateva; Crossandra; Cynometra-type; Cyperaceae undifferentiated; Daniellia-type; DEPTH, sediment/rock; Diospyros; Dodonaea viscosa; Ephedra; Ericaceae undifferentiated; Euphorbiaceae undifferentiated; Euphorbia-type; Fern spores; GeoB; GeoB1711; GeoB1711-4; Geosciences, University of Bremen; Gomphrena-type; Gravity corer (Kiel type); Grewia; Hymenocardia; Hypoestes type; Ilex cf.. mitis; Indeterminata/varia; Indigofera-type; Iodes; Ixora; Justicia/Monechma; Lannea; Liliaceae undifferentiated; Lophira; M20/2; Macaranga-type; Maerua-type; Mallotus; Malvaceae (Africa); Marker, added; Marker, found; Martretia; Meliaceae; Meteor (1986); Morus-type; Myrica; Myrtaceae (Africa); Namibia continental slope; Nitraria; Pandanus; Papilionoideae; Parkinsonia; Peganum; Pelargonium; Pentaclethra; Phillyrea; Phyllanthus; Piliostigma; Pittosporum; Plantago; Plumbaginaceae undifferentiated; Poaceae undifferentiated; Podocarpus; Pollen, total; Polycarpon; Polygala-type; Polygonum; Pterocarpus; Pterolobium; Restionaceae; Rhamnaceae undifferentiated; Rhus-type; Rhynchosia-type; Sabicea; Salvadora persica; Sarcosperma; Sesbania-type; SL; Solanum-type; Spores, monolete psilate; Spores, monolete verrucate; Spores, trilete psilate; Spores, trilete verrucate; Sterculia-type; Syzygium-type; Tamarix (Africa); Tapinanthus; Telephium; Tribulus; Trichodesma; Typha angustifolia-type; Uapaca; Volume; Welwitschia; Zanthoxylum
    Type: Dataset
    Format: text/tab-separated-values, 12073 data points
    Location Call Number Limitation Availability
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  • 10
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    Pollen for time-slices of sediment core GeoB1028-5 (2003)
    PANGAEA
    Details
    Publication Date: 2024-03-06
    Keywords: Acacia/Parkia; Acanthaceae; Aizoaceae; Alchornea; Amaranthaceae/Chenopodiaceae; Ambrosia-type; Artemisia (Africa); Balanites; Baphia-type; Borreria; Boscia-type; Brachystegia; Burkea; Calamus; Canthium; Caryophyllaceae; Cassia-type; Celastraceae/Hippocrateaceae; Celtis; Center for Marine Environmental Sciences; Cleome; Coffea-type; Colophospermum mopane; Combretaceae/Melastomataceae; Compositae Tubuliflorae; Counting, palynology; Cyperaceae undifferentiated; DEPTH, sediment/rock; Dodonaea viscosa; Erica (Africa); Euphorbia-type; Fern spores; Gaertnera; Gazania-type; GeoB1028-5; Gravity corer (Kiel type); Heliotropium; Heritiera-type; Indeterminata/varia; Indigofera-type; Justicia/Monechma; Kedrostis; Loranthaceae (Africa); Lotus-type (Africa); Luffa; Lycopodium (Africa); M6/6; Maerua-type; Mallotus; Marker, added; Marker, found; MARUM; Meteor (1986); Myriophyllum; Olea; Pentzia-type; Plantago; Poaceae undifferentiated; Podocarpus; Pollen, total; Polycarpon; Psilocaulon-type; Pteridium; Ranunculaceae; Restionaceae; Rhizophora; Rhus-type; Sample volume; Sesbania-type; SL; Solanum-type; Spores, monolete; Spores, monolete, with perianth; Spores, monolete verrucate; Spores, trilete psilate; Spores, trilete verrucate; Sterculia-type; Syzygium-type; Tamarindus/Cryptosepalum; Tribulus; Typha angustifolia-type; Typha latifolia; Uapaca; Walvis Ridge, Southeast Atlantic Ocean; Welwitschia; Zygophyllum
    Type: Dataset
    Format: text/tab-separated-values, 304 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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