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  • 127-797; Accumulation rate, detritus; Accumulation rate, dust; Age, dated; Age, dated standard deviation; Calendar age; COMPCORE; Composite Core; Datum level; Density, dry bulk; DEPTH, sediment/rock; Detritus; Japan Sea; Joides Resolution; Leg127; Ocean Drilling Program; ODP; Sedimentation rate  (1)
  • 127-797A; 127-797B; DRILL; Drilling/drill rig; Japan Sea; Joides Resolution; Leg127; Ocean Drilling Program; ODP  (1)
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  • 1
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    Linear sedimentation rates and mass accumulation rates of detritus and Kosa of ODP Site 127-797 (Table 1) (2002)
    PANGAEA
    In:  Supplement to: Irino, Tomohisa; Tada, Ryuji (2002): High-resolution reconstruction of variation in aeolian dust (Kosa) deposition at ODP site 797, the Japan Sea, during the last 200 ka. Global and Planetary Change, 35(1-2), 143-156, https://doi.org/10.1016/S0921-8181(02)00135-2
    Details
    Publication Date: 2024-01-09
    Description: In order to reconstruct past variations in the east Asian monsoon and to establish a direct link between terrestrial and marine climatic records, we evaluated the temporal variation in aeolian dust (Kosa or yellow sand) flux to the Japan Sea using the late Quaternary hemipelagic sediments in the sea. Contributions of four detrital subcomponents, identified by Irino and Tada (2000, datasets: doi:10.1594/PANGAEA.726855) as Kosa derived from 'typical' loess, Kosa from 'weathered' loess and fine and coarse arc-derived detritus, have varied in millennial scale, as well as in glacial–interglacial scale, during the last 200 ka. Millennial scale variability of Kosa from 'typical' loess suggests the change in dust availability controlled by high-frequency variation in summer monsoon precipitation in the central to east Asia during the last 200 ka, whereas variation in Kosa from 'weathered' loess suggests the change in transport pathway of dust which was probably affected by the winter monsoon variation.
    Keywords: 127-797; Accumulation rate, detritus; Accumulation rate, dust; Age, dated; Age, dated standard deviation; Calendar age; COMPCORE; Composite Core; Datum level; Density, dry bulk; DEPTH, sediment/rock; Detritus; Japan Sea; Joides Resolution; Leg127; Ocean Drilling Program; ODP; Sedimentation rate
    Type: Dataset
    Format: text/tab-separated-values, 118 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Chemical and mineral compositions of sediments from ODP Site 127-797 (2009)
    PANGAEA
    In:  Supplement to: Irino, Tomohisa; Tada, Ryuji (2000): Quantification of aeolian dust (Kosa) contribution to the Japan Sea sediments and its variation during the last 200 ky. Geochemical Journal, 34(1), 59-93, https://doi.org/10.2343/geochemj.34.59
    Details
    Publication Date: 2024-01-09
    Description: In order to reconstruct past variations in the aeolian dust (Kosa) contribution to the Japan Sea, and to establish a direct link between terrestrial and marine climatic records, we have applied statistical procedures to distinguish and quantify detrital subcomponents within the detrital fraction of the late Quaternary hemipelagic sediments in the Japan Sea. Q-mode factor analysis with varimax and oblique rotation of the factors followed by multiple-regression analysis between mineral composition and factor loadings was conducted using six ''detrital'' elements. Four detrital subcomponents were defined, which are attributed to Kosa derived from ''typical'' loess, Kosa from ''weathered'' loess, and fine and coarse arc-derived detritus, respectively, based on comparisons with the chemical and mineral compositions of probable source materials. Using these detrital subcomponents, the variation in Kosa fraction was reconstructed for the last 200 ky. The results reveal millennial-scale as well as glacial-interglacial scale variations in Kosa contribution. Especially, millennial-scale variability of Kosa contribution suggests the presence of high frequency variation in summer monsoon precipitation in the central to east Asia during the last 200 ky.
    Keywords: 127-797A; 127-797B; DRILL; Drilling/drill rig; Japan Sea; Joides Resolution; Leg127; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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