Middle Holocene Organic Carbon and Biomarker Records from the South Yellow Sea: Relationship to the East Asian Monsoon
| العنوان: | Middle Holocene Organic Carbon and Biomarker Records from the South Yellow Sea: Relationship to the East Asian Monsoon |
|---|---|
| المؤلفون: | Luhua Xie, Bangqi Hu, Yanguang Dou, Jun Li, Liang Zou, Liang Dong |
| المصدر: | Journal of Ocean University of China. 17:823-834 |
| بيانات النشر: | Springer Science and Business Media LLC, 2018. |
| سنة النشر: | 2018 |
| مصطلحات موضوعية: | Total organic carbon, chemistry.chemical_classification, 010504 meteorology & atmospheric sciences, Sediment, Ocean Engineering, 010502 geochemistry & geophysics, Oceanography, 01 natural sciences, Bottom water, chemistry, Environmental science, East Asian Monsoon, Sedimentary organic matter, Organic matter, Surface water, Holocene, 0105 earth and related environmental sciences |
| الوصف: | The East Asian monsoon system influences the sedimentation and transport of organic matter in East Asian marginal seas that is derived from both terrestrial and marine sources. In this study, we determined organic carbon (OC) isotope values, concentrations of marine biomarkers, and levels of OC and total nitrogen (TN) in core YSC-1 from the central South Yellow Sea (SYS). Our objectives were to trace the sources of OC and variations in palaeoproductivity since the middle Holocene, and their relationships with the East Asian monsoon system. The relative contributions of terrestrial versus marine organic matter in core sediments were estimated using a two-end-member mixing model of OC isotopes. Results show that marine organic matter has been the main sediment constituent since the middle Holocene. The variation of terrestrial organic carbon concentration (OCter) is similar to the EASM history. However, the variation of marine organic carbon concentration (OCmar) is opposite to that of the EASM curve, suggesting OCmar is distinctly influenced by terrestrial material input. Inputs of terrestrial nutrients into the SYS occur in the form of fluvial and aeolian dust, while concentrations of nutrients in surface water are derived mainly from bottom water via the Yellow Sea circulation system, which is controlled by the East Asian winter monsoon (EAWM). Variations in palaeoproductivity represented by marine organic matter and biomarker records are, in general, consistent with the recent EAWM intensity studies, thus, compared with EASM, EAWM may play the main role to control the marine productivity variations in the SYS. |
| تدمد: | 1993-5021 1672-5182 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::125ab64bf0ee1c11698ea9b9918a9183 https://doi.org/10.1007/s11802-018-3521-y |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........125ab64bf0ee1c11698ea9b9918a9183 |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 19935021 16725182 |
|---|