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  • 1
    Electronic Resource
    Electronic Resource
    Radiocarbon Dating of Aliphatic Hydrocarbons (1999)
    Springer
    Soil Science Society of America journal 63 (1999), S. 1181-1187 
    Details
    ISSN: 1435-0661
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: 14 C-dated by accelerator mass spectrometry (AMS) and compared with 14C ages of total organic C (TOC) of bulk soils and acid-hydrolyzed residues. In all cases, aliphatic hydrocarbons were significantly older than TOC but comparable with (in some cases older than) hydrolyzed residues, indicating that the 14C content of aliphatic hydrocarbons reflects the age of a passive-fraction C. The age differences between the aliphatic hydrocarbons and TOC increase with the degree of mineralization: thus, up to a 10000 yr difference in age is observed for highly mineralized horizons in podzol and acid brown earth. The leaf-wax n-alkanes (C25 to C33) isolated from a peaty gley core show a virtually linear relationship between their ages and the depth. In contrast to bulk soil organic matter that contains younger C deposited by plant roots and by water leaching, leaf wax n-alkanes are contributed at the soil surface by the leaves of dead plants and are of low mobility due to their extremely low water-solubility. The low biodegradability of long-chain n-alkanes leads to their persistence in the soil horizons where they were originally deposited. Therefore, their ages are ideal as chronological indicators for soils and peats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/
    Location Call Number Limitation Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Stable carbon isotope values of individual compounds
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: AEOLD; Aeolian dust sample; ALTITUDE; Cervaro river; DC2; DC23; Event label; Gas chromatography - Mass spectrometry (GC-MS); Latitude of event; Longitude of event; M19; M20; M21; TAF69; TAF70; TAF9; δ13C, n-alkanes
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Geochemistry of Great Heath peat core from the USA (2021)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Description: Geochemistry data of a high-resolution peat core from the Past Global Changes - Carbon in Peat on EArth through Time (PAGES_C-PEAT) Project.
    Keywords: Carbon; Computed/Converted; C-PEAT; Density, dry bulk; DEPTH, sediment/rock; Great_Heath; Loss on ignition; PAGES_C-PEAT; Past Global Changes - Carbon in Peat on EArth through Time; PEATC; Peat corer; Peatland; Sample thickness; USA
    Type: Dataset
    Format: text/tab-separated-values, 907 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Age determination of Great Heath peat core from the USA (2021)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Description: 14C and 210Pb age determination of a high-resolution peat core from the Past Global Changes - Carbon in Peat on EArth through Time (PAGES_C-PEAT) Project.
    Keywords: Age; Age, 14C uncalibrated; Age, dated; Age, dated material; Age, uncertainty; calculated, 1 sigma; Comment; C-PEAT; DEPTH, sediment/rock; Great_Heath; Laboratory code/label; PAGES_C-PEAT; Past Global Changes - Carbon in Peat on EArth through Time; PEATC; Peat corer; Peatland; Sample thickness; USA
    Type: Dataset
    Format: text/tab-separated-values, 93 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Sea surface temperature reconstruction for ODP Site 184-1146 (2014)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 184-1146; AGE; Calculated from TEX86 (Kim et al., 2010); Calculated from UK'37 (Müller et al, 1998); COMPCORE; Composite Core; Joides Resolution; Leg184; Ocean Drilling Program; ODP; Sea surface temperature, annual mean; South China Sea
    Type: Dataset
    Format: text/tab-separated-values, 508 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Stable carbon isotope values of higher-plant derived C29 n-alkanes isolated from the marine surface sediments in the northeast Atlantic, Fig.3 (2000)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Keywords: 11139-8bx; 12174-15; ANT-IV/1c; Atlantic Ocean; BC; BCR; BOFS23/7M; BOFS23#7; BOFS29/2M; BOFS29#2; Box corer; Box corer (Reineck); CD53; Charles Darwin; D11798#2; D11800#5; D11804#4; D11815#5; D11939#3; D11944#5; D11948#1; D11954#4; D177; D187; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; DI135; DI194; Discovery (1962); Discovery II (1929); East Atlantic; eastern Romanche Fracture Zone; Equatorial Atlantic; Event label; FGGE-Equator 79 - First GARP Global Experiment; Gas chromatography - Mass spectrometry (GC-MS); GEOTROPEX 83, NOAMP I; Giant box corer; GIK12309-2; GIK12326-4; GIK12329-5; GIK12330-1; GIK12344-5; GIK13289-1; GIK13557-1; GIK16004-1; GIK16006-1; GIK16030-1; GIK16405-1; GIK16408-2; GIK16458-2; GIK16757-1; GIK16768-1; GIK16770-1; GIK16772-1; GIK16773-1; GIK16775-2; GIK16778-2; GIK16782-1; GIK16785-1; GIK16789-1; GIK16830-1; GIK16857-2; GIK16866-1; GIK16867-1; GIK16869-1; GIK16873-1; GKG; Gravity corer (Kiel type); Guadiana Estuary; KAL; Kasten corer; KOL; Latitude of event; Longitude of event; M25; M51; M6/5; M60; M65; Meteor (1964); Meteor (1986); MUC; MultiCorer; Northeast Atlantic; off Cote d Ivoire; off Gabun; off Ghana; off Guinea; off Liberia; off Nigeria-Delta; Piston corer (Kiel type); Polarstern; PS08; Sierra Leone Basin/Guinea Basin; SL; SUBTROPEX 82; VA-10/3; Valdivia (1961); van Veen Grab; VGRAB; δ13C, n-alkanes
    Type: Dataset
    Format: text/tab-separated-values, 123 data points
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    DATA PANGAEA
  • 7
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    Organic geochemistry of Pliocene sediments in the core monsoon zone on the Indian Peninsula (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-05
    Description: Inorganic analyses of major, trace, and rare earth element concentrations for 30 bulk sediment samples at Site U1445 and additional samples from other sites in the Bay of Bengal for reference. Bulk sediment samples were freeze-dried and hand-powdered in an agate mortar and pestle prior to flux fusion for analyses of major elements with ICP-ES and an acid cocktail digestions for analyses of trace and rare earth elements on ICP-MS (Dunlea et al., 2015, doi:10.1002/2015PA002829). Analyses of 57 bulk sediment samples from Site U1445 for bulk calcium carbonate, total organic carbon, total carbon, total acidified nitrogen, carbon isotopes of the total organic carbon, and the designation of visually lighter versus darker samples at similar depths. Hydrogen isotopes and carbon isotope analyses of leaf wax fatty acids extracted from 57 samples at Site U1445. Measurements from fatty acid chainlengths C26, C28, and C30 are reported with their standard deviation. The correction for C3-C4 physiological differences in the hydrogen isotopes of C30 fatty acids is reported, estimating C3 vegetation as having a δ13C of -35.4 ‰ and C4 vegetation as -21.4‰.
    Keywords: Bay of Bengal; C4 expansion; Carbon isotopes; Expedition 353; Hydrogen isotopes; Indian Monsoon; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Mahanadi Basin; paleoclimatology; Paleo-monsoon; Pliocene; South Asian Monsoon
    Type: Dataset
    Format: application/zip, 3 datasets
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    DATA PANGAEA
  • 8
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    Carbon and nitrogen geochemistry of IODP Site 353-U1445 (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-05
    Keywords: 353-U1445A; AGE; Bay of Bengal; C4 expansion; Calcium carbonate; Carbon, organic, total; Carbon, total; Carbon isotopes; Color description; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Exp353; Expedition 353; Hydrogen isotopes; Indian Monsoon; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Mahanadi Basin; Nitrogen, total; paleoclimatology; Paleo-monsoon; Pliocene; Sample code/label; South Asian Monsoon; δ13C, organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 394 data points
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    DATA PANGAEA
  • 9
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    Hydrogen isotopes and carbon isotope analyses of leaf wax fatty acids extracted from samples at IODP Site 353-U1445 (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-05
    Keywords: 353-U1445A; AGE; Bay of Bengal; C4 expansion; Carbon isotopes; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Exp353; Expedition 353; Hydrogen isotopes; Indian Monsoon; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Mahanadi Basin; n-fatty acid C26, δ13C; n-fatty acid C26, δ13C, standard deviation; n-fatty acid C26, δD; n-fatty acid C26, δD, standard deviation; n-fatty acid C28, δ13C; n-fatty acid C28, δ13C, standard deviation; n-fatty acid C28, δD; n-fatty acid C28, δD, standard deviation; n-fatty acid C30, δ13C; n-fatty acid C30, δ13C, standard deviation; n-fatty acid C30, δD; n-fatty acid C30, δD, standard deviation; paleoclimatology; Paleo-monsoon; Pliocene; Sample code/label; South Asian Monsoon
    Type: Dataset
    Format: text/tab-separated-values, 742 data points
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    DATA PANGAEA
  • 10
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    Inorganic analyses of major, trace, and rare earth element concentrations for 30 bulk sediment samples at Site U1445 and additional samples from other sites in the Bay of Bengal (2020)
    PANGAEA
    Details
    Publication Date: 2024-02-05
    Keywords: 353-U1444A; 353-U1445A; AGE; Age, comment; Aluminium; Antimony; Barium; Bay of Bengal; Beryllium; C4 expansion; Caesium; Calcium; Carbon isotopes; CDRILL; Cerium; Chromium; Cobalt; Copper; Core drilling; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Dysprosium; Erbium; Europium; Event label; Exp353; Expedition 353; Gadolinium; Hafnium; Holmium; Hydrogen isotopes; ICP-ES, Inductively coupled plasma - emission spectrometry; India National Gas Hydrate Program Expedition 01; Indian Monsoon; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Iron; Joides Resolution; Lanthanum; Lead; Lithium; Lutetium; Magnesium; Mahanadi_River_S3; Mahanadi Basin; Manganese; Molybdenum; MULT; Multiple investigations; Neodymium; NGHP-01; NGHP-01-16; NGHP-01-19; Nickel; Niobium; paleoclimatology; Paleo-monsoon; Phosphorus; Pliocene; Potassium; Praseodymium; Rubidium; Samarium; Sample code/label; Scandium; Silicon; Sodium; South Asian Monsoon; Strontium; Tantalum; Terbium; Thorium; Tin; Titanium; Uranium; Vanadium; Ytterbium; Yttrium; Zinc; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 2499 data points
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    DATA PANGAEA
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