Seismically enhanced solute fluxes in the Yangtze River headwaters following the AD 2008 Wenchuan earthquake
文献类型：期刊论文
| 作者 | An, Zhisheng2; Wang, Xulong2; Deng, Li2; Li, Gen3; Wang, Jin2; Yu, Jimin1; Hilton, Robert G.4; Jin, Zhangdong2; West, A. Joshua3; Zhang, Fei2 |
| 刊名 | GEOLOGY
 |
| 出版日期 | 2016 |
| 卷号 | 44期号:1页码:47-50 |
| DOI | 10.1130/G37246.1 |
| 文献子类 | Article |
| 英文摘要 | Large earthquakes alter physical and chemical processes at Earth's surface, triggering landslides, fracturing rock, changing large-scale permeability, and influencing hydrologic pathways. The resulting effects on global chemical cycles are not fully known. Here we show changes in the dissolved chemistry of the Min Jiang, a river in the Yangtze River (China) headwaters, following the A.D. 2008 M-w 7.9 Wenchuan earthquake. Total solute fluxes transported by the Min Jiang increased after the earthquake, accompanied by an similar to 4x increase in Na*/Ca ratios (where Na* is Na+ corrected for atmospheric and evaporite contributions) and a 0.000644 +/- 0.000146 increase in Sr-87/Sr-86 isotopic ratios. These changes are consistent with enhanced contribution from silicate sources. We infer that the CO 2 consumption rate via silicate-derived alkalinity increased 4.3 +/- 0.4 times. If similar changes are associated with other large earthquakes, enhanced solute export could directly link tectonic activity with weathering and alkalinity fluxes that supply nutrients to ecosystems, influence seawater chemistry evolution, and steer Earth's long-term carbon cycle and climate. |
| WOS关键词 | WEATHERING PROCESSES ; MIN-JIANG ; CHEMISTRY ; LANDSLIDES ; RECORD |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000370074800016 |
| 源URL | [http://ir.ieecas.cn/handle/361006/5815]  |
| 专题 | 地球环境研究所_加速器质谱中心 |
| 作者单位 | 1.Australian Natl Univ, Res Sch Earth Sci, GPO Box 4, Canberra, ACT 2601, Australia 2.Chinese Acad Sci, SKLLQG, Inst Earth Environm, Xian 710061, Peoples R China 3.Univ So Calif, Dept Earth Sci, Los Angeles, CA 90089 USA 4.Univ Durham, Dept Geog, Durham DH1 3LE, England |
| 推荐引用方式 GB/T 7714 | An, Zhisheng,Wang, Xulong,Deng, Li,et al. Seismically enhanced solute fluxes in the Yangtze River headwaters following the AD 2008 Wenchuan earthquake[J]. GEOLOGY,2016,44(1):47-50. |
| APA | An, Zhisheng.,Wang, Xulong.,Deng, Li.,Li, Gen.,Wang, Jin.,...&Zhang, Fei.(2016).Seismically enhanced solute fluxes in the Yangtze River headwaters following the AD 2008 Wenchuan earthquake.GEOLOGY,44(1),47-50. |
| MLA | An, Zhisheng,et al."Seismically enhanced solute fluxes in the Yangtze River headwaters following the AD 2008 Wenchuan earthquake".GEOLOGY 44.1(2016):47-50. |
入库方式： OAI收割
来源：地球环境研究所
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