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Article Navigation >  Acta Sedimentologica Sinica  > 2011  >  29(2): 354-362

QIAO Shuqing. Distribution of Organic Carbon, Nitrogen in Suspended and Surface Sediments and Their Controlling Factors off the Huanghe (Yellow River) Mouth and the Nearby Bohai Sea[J]. Acta Sedimentologica Sinica, 2011, 29(2): 354-362.
Citation: QIAO Shuqing. Distribution of Organic Carbon, Nitrogen in Suspended and Surface Sediments and Their Controlling Factors off the Huanghe (Yellow River) Mouth and the Nearby Bohai Sea[J]. Acta Sedimentologica Sinica, 2011, 29(2): 354-362.
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Distribution of Organic Carbon, Nitrogen in Suspended and Surface Sediments and Their Controlling Factors off the Huanghe (Yellow River) Mouth and the Nearby Bohai Sea

  • Key Laboratory of Marine Sedimentology & Environmental Geology, First Institute of Oceanography, State Oceanic Administration, Qingdao, Shandong 266061)

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  • Corresponding author: QIAO Shuqing
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2011-04-10
  • A largescale hydrological and sedimentological investigation was carried out off the Huanghe (Yellow River) mouth and the nearby Bohai Sea during AugustSeptember 2007. Approximately 227 suspended sediments and 245 surface sediments samples were selected to determine organic carbon and nitrogen contents using an elemental analysis instrument. The analyzed data show that the TOC content in surface sediment is lower than POC content in bottom suspended sediments and especially lower than that in surface suspended sediments in the same sampling stations. The study area can be classified into five provinces based on TOC, TN and POC data. Province Ⅰlocated near the Qing8 outlet is characterized by higher POC content in suspended sediments, while lower TOC, TN contents and higher C/N values in surface sediments. In contrast, the POC contents in suspended sediments are lower, while TOC, TN contents and C/N values in surface sediments are higher in the province Ⅱ, which covers on both sides of the modern Huanghe mouth. Provinces Ⅲ, Ⅳ and Ⅴare distributed east of 119.5°E, where the POC contents are higher, while TOC, TN contents and C/N values are lower. The results demonstrate that the contents of POC, TOC, TN and their distribution are mainly controlled by sources and sedimentary dynamic environment.
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Publishing history
  • Received:  1900-01-01
  • Revised:  1900-01-01
  • Published:  2011-04-10

Distribution of Organic Carbon, Nitrogen in Suspended and Surface Sediments and Their Controlling Factors off the Huanghe (Yellow River) Mouth and the Nearby Bohai Sea

  • Key Laboratory of Marine Sedimentology & Environmental Geology, First Institute of Oceanography, State Oceanic Administration, Qingdao, Shandong 266061)
    Corresponding author: QIAO Shuqing
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2011-04-10

Abstract: A largescale hydrological and sedimentological investigation was carried out off the Huanghe (Yellow River) mouth and the nearby Bohai Sea during AugustSeptember 2007. Approximately 227 suspended sediments and 245 surface sediments samples were selected to determine organic carbon and nitrogen contents using an elemental analysis instrument. The analyzed data show that the TOC content in surface sediment is lower than POC content in bottom suspended sediments and especially lower than that in surface suspended sediments in the same sampling stations. The study area can be classified into five provinces based on TOC, TN and POC data. Province Ⅰlocated near the Qing8 outlet is characterized by higher POC content in suspended sediments, while lower TOC, TN contents and higher C/N values in surface sediments. In contrast, the POC contents in suspended sediments are lower, while TOC, TN contents and C/N values in surface sediments are higher in the province Ⅱ, which covers on both sides of the modern Huanghe mouth. Provinces Ⅲ, Ⅳ and Ⅴare distributed east of 119.5°E, where the POC contents are higher, while TOC, TN contents and C/N values are lower. The results demonstrate that the contents of POC, TOC, TN and their distribution are mainly controlled by sources and sedimentary dynamic environment.

QIAO Shuqing. Distribution of Organic Carbon, Nitrogen in Suspended and Surface Sediments and Their Controlling Factors off the Huanghe (Yellow River) Mouth and the Nearby Bohai Sea[J]. Acta Sedimentologica Sinica, 2011, 29(2): 354-362.
Citation: QIAO Shuqing. Distribution of Organic Carbon, Nitrogen in Suspended and Surface Sediments and Their Controlling Factors off the Huanghe (Yellow River) Mouth and the Nearby Bohai Sea[J]. Acta Sedimentologica Sinica, 2011, 29(2): 354-362.
shu

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