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  • PANGAEA  (103)
  • 2020-2024  (103)
Document type
Keywords
Publisher
Years
Year
  • 11
    facet.materialart.
    Unknown
    XRF, XRD, grainsize and total organic carbon in core Konar Sandal peat bog, SE Iran (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-23
    Description: Rapid North Atlantic cooling events during the last deglaciation caused atmospheric reorganizations on global and regional scales. Their impact on Asian climate has been investigated for monsoonal domains, but remains largely unknown in westerly wind-dominated semi-arid regions. Here we generate a dust record from southeastern Iran spanning the period 19-7 cal. ka BP. We find a direct link between frequent occurrences of dust plumes originating from the Arabian Peninsula and North Africa, and rapid southward shifts of the westerlies associated with changes of the winter stationary waves during Heinrich Stadial 1, the Younger Dryas, the Preboreal Oscillation and the 8.2 ka event. Dust input rises and falls abruptly at the transitions into and out of these cooling events, which we attribute to changes in the ocean circulation strength and modulated by the North Atlantic winter sea-ice cover. Our findings reveal that waxing and waning of North American ice sheets have a stronger influence than those of European ice sheets on the winter climate over West Asia.
    Keywords: Atmospheric dust; North Atlantic cooling; Northern Hemisphere Westerlies; sea-ice; West Asia
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 12
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    Unknown
    Total organic carbon of core Konar Sandal peat bog, SE Iran (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-23
    Keywords: AGE; Atmospheric dust; Carbon, organic, total; CDRILL; Core drilling; DEPTH, sediment/rock; KSB; North Atlantic cooling; Northern Hemisphere Westerlies; sea-ice; Southeastern Iran; West Asia
    Type: Dataset
    Format: text/tab-separated-values, 60 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 13
    facet.materialart.
    Unknown
    X-ray fluorescence (XRF) measurements of core Konar Sandal peat bog, SE Iran (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-23
    Keywords: AGE; Aluminium; Atmospheric dust; CDRILL; Core drilling; DEPTH, sediment/rock; Iron; KSB; North Atlantic cooling; Northern Hemisphere Westerlies; Potassium; sea-ice; Silicon; Southeastern Iran; Titanium; West Asia; X-ray fluorescence core scanner (XRF); Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 3414 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 14
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    Unknown
    Grain size of core Konar Sandal peat bog, SE Iran (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-23
    Keywords: AGE; Atmospheric dust; CDRILL; Core drilling; DEPTH, sediment/rock; Gravel; KSB; Median, grain size; North Atlantic cooling; Northern Hemisphere Westerlies; Sand; sea-ice; Size fraction 〈 0.002 mm, clay; Size fraction 0.004-0.002 mm, 8.0-9.0 phi, very fine silt; Size fraction 0.008-0.004 mm, 7.0-8.0 phi, fine silt; Size fraction 0.016-0.008 mm, 6.0-7.0 phi, medium silt; Size fraction 0.032-0.016 mm, 5.0-6.0 phi, coarse silt; Size fraction 0.063-0.002 mm, silt, mud; Size fraction 0.063-0.032 mm, 4.0-5.0 phi, very coarse silt; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 16-8 mm, medium gravel; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; Size fraction 32-16 mm, coarse gravel, pebble; Size fraction 4.0-2.0 mm, very fine gravel, granule; Size fraction 64-32 mm, very coarse gravel, pebble; Size fraction 8.0-4.0 mm, fine gravel; Southeastern Iran; West Asia
    Type: Dataset
    Format: text/tab-separated-values, 600 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 15
    facet.materialart.
    Unknown
    XRD analyses of core Konar Sandal peat bog, SE Iran (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-23
    Keywords: AGE; Albite; Anorthoclase; Atmospheric dust; CDRILL; Chlorite; Clinochlore; Core drilling; DEPTH, sediment/rock; Diopside; Gypsum; Kaolinite; KSB; Minerals, other; Muscovite; North Atlantic cooling; Northern Hemisphere Westerlies; Palygorskite; Quartz; sea-ice; Southeastern Iran; West Asia; X-ray diffraction (XRD)
    Type: Dataset
    Format: text/tab-separated-values, 132 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 16
    facet.materialart.
    Unknown
    Organic geochemical proxies of the Govone section (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-14
    Keywords: Agilent 6890 GC coupled via a Thermo Finnigan Combustion III to a Thermo Finnigan Delta Plus XL isotope mass spectrometer (GC-IRMS); Carbon, organic, total; Carbon Preference Index, n-Alkanes (C24-C34); Comment; Fisons Instruments GC 8000 series equipped with a flame-ionization detector (GC-FID); Govone_section; Hydrogen isotopes; LECO SC-144DR Carbon Analyzer; major and trace elements; n-Alkane C18, per unit mass total organic carbon; n-Alkane C19, per unit mass total organic carbon; n-Alkane C20, per unit mass total organic carbon; n-Alkane C21, per unit mass total organic carbon; n-Alkane C22, per unit mass total organic carbon; n-Alkane C23, per unit mass total organic carbon; n-Alkane C24, per unit mass total organic carbon; n-Alkane C25, per unit mass total organic carbon; n-Alkane C26, per unit mass total organic carbon; n-Alkane C27, per unit mass total organic carbon; n-Alkane C28, per unit mass total organic carbon; n-Alkane C29, per unit mass total organic carbon; n-Alkane C30, per unit mass total organic carbon; n-Alkane C31, per unit mass total organic carbon; n-Alkane C31, δ13C; n-Alkane C31, δ13C, standard deviation; n-Alkane C31, δD; n-Alkane C31, δD, standard deviation; n-Alkane C32, per unit mass total organic carbon; n-Alkane C33, per unit mass total organic carbon; n-Alkane C33, δ13C; n-Alkane C33, δ13C, standard deviation; n-Alkane C33, δD; n-Alkane C33, δD, standard deviation; n-Alkane C34, per unit mass total organic carbon; n-Alkane C35, per unit mass total organic carbon; n-Alkane C37, per unit mass total organic carbon; n-alkanes; NW Italy; Paleoclimate; plant waxes; POINT DISTANCE from start; Sample code/label; Sample comment; stable carbon isotopes; Sum long chain n-alkane (C27+C29+C31+C33), per unit mass total organic carbon; ThermoFisher Scientific Trace GC coupled via a pyrolysis reactor to a ThermoFisher Scientific MAT 253 isotope mass spectrometer
    Type: Dataset
    Format: text/tab-separated-values, 661 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 17
    facet.materialart.
    Unknown
    Concentrations of long-chain n-alkanes, CPI values and compound-specific stable hydrogen and carbon isotope compositions of major n-alkanes (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-14
    Keywords: 273; 276; 279; 284; 287; 290; 291; 296; 299; 302; 303; Aggregates; Carbon Preference Index, n-Alkanes (C25-C33); Center for Marine Environmental Sciences; DEPTH, sediment/rock; Elevation of event; Event label; Formation; isotopes; Latitude of event; Longitude of event; MARUM; n-Alkane C23; n-Alkane C24; n-Alkane C25; n-Alkane C26; n-Alkane C27; n-Alkane C28; n-Alkane C29; n-Alkane C29, δ13C; n-Alkane C29, δ13C, standard deviation; n-Alkane C29, δD; n-Alkane C29, δD, standard deviation; n-Alkane C30; n-Alkane C31; n-Alkane C31, δ13C; n-Alkane C31, δ13C, standard deviation; n-Alkane C31, δD; n-Alkane C31, δD, standard deviation; n-Alkane C32; n-Alkane C33; n-Alkane C33, δ13C; n-Alkane C33, δ13C, standard deviation; n-Alkane C33, δD; n-Alkane C33, δD, standard deviation; n-Alkane C34; n-Alkane C35; phytoliths; plant waxes; South Africa; Sum odd numbered n-alkanes C25-C33; Waterfall Bluff; Waterfall Bluff, Eastern Cape, South Africa; WB_273; WB_276; WB_279; WB_284; WB_287; WB_290; WB_291; WB_296; WB_299; WB_302; WB_303
    Type: Dataset
    Format: text/tab-separated-values, 319 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 18
    facet.materialart.
    Unknown
    Lipids and stable isotopes of a sediment core from Lake Tislit (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-14
    Keywords: African Humid Period; Carbon Preference Index, n-Alkanes (C25-C33); DEPTH, sediment/rock; Green Sahara; High Atlas Mountains, Marocco; Holocene; Lake_Tislit; Mass spectrometer, ThermoFisher Scientific MAT 252; Mass spectrometer, Thermo Fisher Scientific MAT 253; n-Alkane C19; n-Alkane C19, δ13C; n-Alkane C19, δ13C, standard deviation; n-Alkane C20; n-Alkane C21; n-Alkane C22; n-Alkane C23; n-Alkane C24; n-Alkane C25; n-Alkane C26; n-Alkane C27; n-Alkane C28; n-Alkane C29; n-Alkane C29, δD; n-Alkane C29, δD, standard deviation; n-Alkane C30; n-Alkane C31; n-Alkane C31, δ13C; n-Alkane C31, δ13C, standard deviation; n-Alkane C31, δD; n-Alkane C31, δD, standard deviation; n-Alkane C32; n-Alkane C33; n-Alkane C34; n-Alkane C35; Palaeoclimate reconstructions; RUSC; Russian corer; vegetation model simulations; δ13C, wax; δ13C, wax, standard deviation; δ Deuterium, precipitation; δ Deuterium, wax; δ Deuterium, wax, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 2832 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 19
    facet.materialart.
    Unknown
    Contents of fatty acids in surface sediment samples from the northwestern South China Sea (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-12
    Description: The method used for extraction, purification, and isolation of n-fatty acids were similar to those described by Mollenhauer and Eglinton (2007). About 70–140 g samples and an aliquot of ~3 g of each sample (for quantification) were Soxhlet extracted with DCM: MeOH (9:1, v/v). After saponification, the neutral lipids were recovered with n-hexane and the remaining solution was acidified to pH 1, from which FAs were extracted into DCM. The extracted FAs were converted to methyl ester derivatives (FAMEs) and contents were measured by an Agilent 7890A gas chromatograph (GC) equipped with a DB-5MS capillary column (60 m, 250 µm, 0.25 µm) and a flame ionization detector (FID).
    Keywords: 12-methyl-Tetradecanoic acid, per unit mass total organic carbon; 13-methyl-Tetradecanoic acid, per unit mass total organic carbon; BC; Box corer; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; DO201207-08; DO201207-08_E700; Docosanoic acid, per unit mass total organic carbon; Dongfanghong 2; Dotriacontanoic acid, per unit mass total organic carbon; E700; ELEVATION; Event label; fatty acids; Gas chromatography - mass spectrometry - flame ionization detector (GC/MS/FID) Agilent; Grab; GRAB; Heneicosanoic acid, per unit mass total organic carbon; Hentriacontanoic acid, per unit mass total organic carbon; Heptacosanoic acid, per unit mass total organic carbon; Heptadecanoic acid, per unit mass total organic carbon; Hexacosanoic acid, per unit mass total organic carbon; Hexadecanoic acid, per unit mass total organic carbon; Icosanoic acid, per unit mass total organic carbon; LATITUDE; LD-GSD; LONGITUDE; MMDB; Nonacosanoic acid, per unit mass total organic carbon; Nonadecanoic acid, per unit mass total organic carbon; Octacosanoic acid, per unit mass total organic carbon; Octadecanoic acid, per unit mass total organic carbon; Pearl River; Pentacosanoic acid, per unit mass total organic carbon; Pentadecanoic acid, per unit mass total organic carbon; PRE-A8; PRE-Y11; Shi Yan 3; South China Sea; Station label; SXCB; SY201710; SY201710_LD-GSD; Tetracosanoic acid, per unit mass total organic carbon; Tetradecanoic acid, per unit mass total organic carbon; Triacontanoic acid, per unit mass total organic carbon; Tricosanoic acid, per unit mass total organic carbon; WSB; XIN201307; XIN201307_MMDB; XIN201307_SXCB; XIN201307_WSB; XIN201307_YJXB; Xintenglonghao; YJXB; YUE201108; YUE201108_PRE-A8; YUE201108_PRE-Y11; Yuedongguan00589
    Type: Dataset
    Format: text/tab-separated-values, 192 data points
    Location Call Number Limitation Availability
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  • 20
    facet.materialart.
    Unknown
    Stable carbon isotope compositon of fatty acids in surface sediment samples from the northwestern South China Sea (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-12
    Description: About 5% of each FAME fraction from each sample were measured in duplicate on a Thermo Trace GC coupled via a combustion interface (1000 °C) to a Thermo Finnigan MAT 252 isotope ratio mass spectrometer. Results are reported in ‰ relative to VPDB. During measurement, standard mixtures containing 12 externally-calibrated alkanes was measured every 6 runs to monitor average absolute deviations from known δ¹³C values. Accuracy was consistently ≤0.2‰. Reproducibility for the duplicate measurements of each compound ranged from 〈0.1‰ to 0.7‰. The δ¹³C values of n-FAMEs were subsequently corrected for the derivative methyl carbon to derive n-FA δ¹³C values including error propagation.
    Keywords: 12-methyl-Tetradecanoic acid, δ13C; 12-methyl-Tetradecanoic acid, δ13C, standard deviation; 13-methyl-Tetradecanoic acid, δ13C; 13-methyl-Tetradecanoic acid, δ13C, standard deviation; BC; Box corer; Compound-specific 13C and 14C analyses; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; DO201207-08; DO201207-08_E700; Docosanoic acid, δ13C; Docosanoic acid, δ13C, standard deviation; Dongfanghong 2; Dotriacontanoic acid, δ13C; Dotriacontanoic acid, δ13C, standard deviation; E700; ELEVATION; Event label; fatty acids; Gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS); Grab; GRAB; Heneicosanoic acid, δ13C; Heneicosanoic acid, δ13C, standard deviation; Hentriacontanoic acid, δ13C; Hentriacontanoic acid, δ13C, standard deviation; Heptacosanoic acid, δ13C; Heptacosanoic acid, δ13C, standard deviation; Heptadecanoic acid, δ13C; Heptadecanoic acid, δ13C, standard deviation; Hexacosanoic acid, δ13C; Hexacosanoic acid, δ13C, standard deviation; Hexadecanoic acid, δ13C; Hexadecanoic acid, δ13C, standard deviation; Icosanoic acid, δ13C; Icosanoic acid, δ13C, standard deviation; LATITUDE; LD-GSD; LONGITUDE; MMDB; Nonacosanoic acid, δ13C; Nonacosanoic acid, δ13C, standard deviation; Nonadecanoic acid, δ13C; Nonadecanoic acid, δ13C, standard deviation; Octacosanoic acid, δ13C; Octacosanoic acid, δ13C, standard deviation; Octadecanoic acid, δ13C; Octadecanoic acid, δ13C, standard deviation; Pearl River; Pentacosanoic acid, δ13C; Pentacosanoic acid, δ13C, standard deviation; Pentadecanoic acid, δ13C; Pentadecanoic acid, δ13C, standard deviation; PRE-A8; PRE-Y11; Shi Yan 3; South China Sea; Station label; SXCB; SY201710; SY201710_LD-GSD; Tetracosanoic acid, δ13C; Tetracosanoic acid, δ13C, standard deviation; Tetradecanoic acid, δ13C; Tetradecanoic acid, δ13C, standard deviation; Triacontanoic acid, δ13C; Triacontanoic acid, δ13C, standard deviation; Tricosanoic acid, δ13C; Tricosanoic acid, δ13C, standard deviation; WSB; XIN201307; XIN201307_MMDB; XIN201307_SXCB; XIN201307_WSB; XIN201307_YJXB; Xintenglonghao; YJXB; YUE201108; YUE201108_PRE-A8; YUE201108_PRE-Y11; Yuedongguan00589
    Type: Dataset
    Format: text/tab-separated-values, 360 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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