干旱区生态环境知识资源中心(Arid): Sulfur cycling in the Yellow River and the sulfate flux to the ocean

Arid

DOI	10.1016/j.chemgeo.2019.119451
	Sulfur cycling in the Yellow River and the sulfate flux to the ocean
	Zhang, Dong 1; Zhao, Zhi-Qi 2; Peng, Yongbo 3,4; Fan, Bailing 5; Zhang, Lili 6; Li, Jianlin 1; Chen, Aichun 1
通讯作者	Zhao, Zhi-Qi
来源期刊	CHEMICAL GEOLOGY
ISSN	0009-2541
EISSN	1872-6836
出版年	2020
卷号	534
英文摘要	River sulfate flux is a major input into the ocean reservoir and plays a critical role in the global sulfur cycle. Constrained riverine sulfate isotope compositions are useful in gaining a better understanding of the secular changes in the sulfur isotopic value (delta S-34(SO4)) of the ocean. The sulfate flux from rivers flowing through arid areas is often ignored due to their low water discharge, but these rivers generally contain large amounts of sulfate duo to water condensation, gypsum dissolution and anthropogenic effluents. Hence, their effects on the global sulfur cycle are still unclear. The Yellow River (YR) flows across the eastern Qinghai-Tibet Plateau (QTP) and arid Chinese Loess Plateau (CLP) with a length of 5464 km. As one typical large river flowing across arid climate areas coupled with extensive human activities in the world, the YR is an ideal site to illustrate this problem. The riverine sulfate sources in the different reaches of the YR were determined by delta S-34(SO4) and delta O-18(SO4) values, and sulfur cycling concept model in the Yellow River Basin (YRB) was established to explain the natural and anthropogenic effects on sulfate flux coupled with delta S-34(SO4) values from the YR to the ocean. Our data showed that gypsum-derived sulfate controls the delta S-34(SO4) of the YR and its contribution increased from 30% to 90% downstream with mean values of 71%, 84%, and 87% for the upstream, midstream, and downstream segments of the river, respectively. The annual sulfate flux to the ocean ranges from 0.026 Tmol/yr to 0.043 Tmol/yr with an average of 0.036 Tmol/yr in this century, and the average flux-weighted delta S-34(SO4) value was + 8.5 parts per thousand. Compared with the natural global riverine sulfate flux to the ocean, the YR contributes nearly 1.1% of the sulfate flux. This combined with its positive delta S-34(SO4) value makes this arid area an important contributor to the sulfate flux and the global sulfur cycle.
英文关键词	Sulfate flux Global sulfur cycle Yellow River Loess Plateau Sulfur and oxygen isotopes
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000513874100001
WOS关键词	DUAL-ISOTOPIC DATA ; DISSOLVED SULFATE ; WEATHERING PROCESSES ; SULFIDE OXIDATION ; ORGANIC-MATTER ; CLIMATE-CHANGE ; BASIN ; OXYGEN ; CARBONATE ; CHINA
WOS类目	Geochemistry & Geophysics
WOS研究方向	Geochemistry & Geophysics
来源机构	南京大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/314248
作者单位	1.Henan Polytech Univ, Inst Resource & Environm, Jiaozuo 454000, Henan, Peoples R China; 2.Changan Univ, Sch Earth Sci & Resources, Xian 710054, Peoples R China; 3.Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210023, Peoples R China; 4.Nanjing Univ, Int Ctr Isotope Effect Res, Nanjing 210023, Peoples R China; 5.Guizhou Minzu Univ, Guiyang 550002, Peoples R China; 6.Guizhou Educ Univ, Sch Geog & Resource, Guiyang 550018, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Dong,Zhao, Zhi-Qi,Peng, Yongbo,et al. Sulfur cycling in the Yellow River and the sulfate flux to the ocean[J]. 南京大学,2020,534.
APA	Zhang, Dong.,Zhao, Zhi-Qi.,Peng, Yongbo.,Fan, Bailing.,Zhang, Lili.,...&Chen, Aichun.(2020).Sulfur cycling in the Yellow River and the sulfate flux to the ocean.CHEMICAL GEOLOGY,534.
MLA	Zhang, Dong,et al."Sulfur cycling in the Yellow River and the sulfate flux to the ocean".CHEMICAL GEOLOGY 534(2020).