Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1038/s43017-021-00253-w |
Earth's sediment cycle during the Anthropocene | |
Syvitski, Jaia; Restrepo Angel, Juan; Saito, Yoshiki; Overeem, Irina; Vorosmarty, Charles J.; Wang, Houjie; Olago, Daniel | |
通讯作者 | Syvitski, J |
来源期刊 | NATURE REVIEWS EARTH & ENVIRONMENT
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EISSN | 2662-138X |
出版年 | 2022 |
英文摘要 | The global sediment cycle is a fundamental feature of the Earth system, balancing competing factors such as orogeny, physical-chemical erosion and human action. In this Review, values of the magnitudes of several sources and sinks within the cycle are suggested, although the record remains fragmented with uncertainties. Between 1950 and 2010, humans have transformed the mobilization, transport and sequestration of sediment, to the point where human action now dominates these fluxes at the global scale. Human activities have increased fluvial sediment delivery by 215% while simultaneously decreasing the amount of fluvial sediment that reaches the ocean by 49%, and societal consumption of sediment over the same period has increased by more than 2,500%. Global warming is also substantially affecting the global sediment cycle through temperature impacts (sediment production and transport, sea ice cover, glacial ice ablation and loss of permafrost), precipitation changes, desertification and wind intensities, forest fire extent and intensity, and acceleration of sea-level rise. With progressive improvements in global digital datasets and modelling, we should be able to obtain a comprehensive picture of the impacts of human activities and climate warming. Sediment budgets have changed substantially in the Anthropocene epoch, the period between 1950 and the present. This Review provides an overview of sediment sources, fluxes and loads, outlines the impacts of human activities, and highlights the predicted effects of climate warming on these factors. |
类型 | Review ; Early Access |
语种 | 英语 |
收录类别 | SCI-E |
WOS记录号 | WOS:000749426800001 |
WOS关键词 | GREENLAND ICE-SHEET ; FLUVIAL SEDIMENT ; YELLOW-RIVER ; SUSPENDED SEDIMENT ; SEA-LEVEL ; ORGANIC-CARBON ; CLIMATE-CHANGE ; WATER DISCHARGE ; MAGDALENA RIVER ; ARCTIC RIVERS |
WOS类目 | Environmental Sciences ; Geosciences, Multidisciplinary |
WOS研究方向 | Environmental Sciences & Ecology ; Geology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/377360 |
推荐引用方式 GB/T 7714 | Syvitski, Jaia,Restrepo Angel, Juan,Saito, Yoshiki,et al. Earth's sediment cycle during the Anthropocene[J],2022. |
APA | Syvitski, Jaia.,Restrepo Angel, Juan.,Saito, Yoshiki.,Overeem, Irina.,Vorosmarty, Charles J..,...&Olago, Daniel.(2022).Earth's sediment cycle during the Anthropocene.NATURE REVIEWS EARTH & ENVIRONMENT. |
MLA | Syvitski, Jaia,et al."Earth's sediment cycle during the Anthropocene".NATURE REVIEWS EARTH & ENVIRONMENT (2022). |
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