干旱区生态环境知识资源中心(Arid): Iron in the NEEM ice core relative to Asian loess records over the last glacial-interglacial cycle

Arid

	Iron in the NEEM ice core relative to Asian loess records over the last glacial-interglacial cycle
	Xiao Cunde; Du Zhiheng; Handley Mike J; Mayewski Paul A; Cao Junji; Schupbach Simon; Zhang Tong; Petit Jean Robert; Li Chuanjin; Han Yeongcheol; Li Yuefang; Ren Jiawen
来源期刊	National Science Review
ISSN	2095-5138
出版年	2021
卷号	8 期号:7
英文摘要	Mineral dust can indirectly affect the climate by supplying bioavailable iron(Fe) to the ocean.Here,we present the records of dissolved Fe(DFe) and total Fe(TDFe) in North Greenland Eemian Ice Drilling(NEEM) ice core over the past 110 kyr BP.The Fe records are significantly negatively correlated with the carbon-dioxide(CO_2) concentrations during cold periods.The results suggest that the changes in Fe fluxes over the past 110 kyr BP in the NEEM ice core are consistent with those in Chinese loess records because the mineral-dust distribution is controlled by the East Asian deserts.Furthermore,the variations in the dust input on a global scale are most likely driven by changes in solar radiation during the last glacial-interglacial cycle in response to Earth's orbital cycles.In the last glacial-interglacial cycle,the DFe/TDFe ratios were higher during the warm periods(following the post-Industrial Revolution and during the Holocene and last interglacial period) than during the main cold period(i.e.the last glacial maximum(LGM)),indicating that the aeolian input of iron and the iron fertilization effect on the oceans have a non-linear relationship during different periods.Although the burning of biomass aerosols has released large amounts of DFe since the Industrial Revolution,no significant responses are observed in the DFe and TDFe variations during this period,indicating that severe anthropogenic contamination has no significant effect on the DFe(TDFe) release in the NEEM ice core.
英文关键词	Greenland NEEM ice core iron fertilization carbon dioxide Chinese loess glacial-interglacial cycle
类型	Article
语种	英语
开放获取类型	Green Published, gold
收录类别	CSCD
WOS类目	Geology
CSCD记录号	CSCD:7059499
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/377469
作者单位	Xiao Cunde, Beijing Normal University, State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing 100875, China.; Du Zhiheng, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, State Key Laboratory of Cryospheric Science, Lanzhou, Gansu 730000, China.; Li Chuanjin, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, State Key Laboratory of Cryospheric Science, Lanzhou, Gansu 730000, China.; Li Yuefang, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, State Key Laboratory of Cryospheric Science, Lanzhou, Gansu 730000, China.; Ren Jiawen, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, State Key Laboratory of Cryospheric Science, Lanzhou, Gansu 730000, China.; Handley Mike J, Climate Change Institute, School of Earth and Climate Sciences, University of Maine, Orono, 04469, USA.; Mayewski Paul A, Climate Change Institute, School of Earth and Climate Sciences, ...
推荐引用方式 GB/T 7714	Xiao Cunde,Du Zhiheng,Handley Mike J,et al. Iron in the NEEM ice core relative to Asian loess records over the last glacial-interglacial cycle[J],2021,8(7).
APA	Xiao Cunde.,Du Zhiheng.,Handley Mike J.,Mayewski Paul A.,Cao Junji.,...&Ren Jiawen.(2021).Iron in the NEEM ice core relative to Asian loess records over the last glacial-interglacial cycle.National Science Review,8(7).
MLA	Xiao Cunde,et al."Iron in the NEEM ice core relative to Asian loess records over the last glacial-interglacial cycle".National Science Review 8.7(2021).