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DOI | 10.1126/science.aal4151 |
The geologic history of seawater pH | |
Halevy, I.1; Bachan, A.2 | |
2017-03-10 | |
发表期刊 | SCIENCE |
ISSN | 0036-8075 |
EISSN | 1095-9203 |
出版年 | 2017 |
卷号 | 355期号:6329页码:1069-1071 |
文章类型 | Article |
语种 | 英语 |
国家 | Israel; USA |
英文摘要 | Although pH is a fundamental property of Earth's oceans, critical to our understanding of seawater biogeochemistry, its long-timescale geologic history is poorly constrained. We constrain seawater pH through time by accounting for the cycles of the major components of seawater. We infer an increase from early Archean pH values between -6.5 and 7.0 and Phanerozoic values between -7.5 and 9.0, which was caused by a gradual decrease in atmospheric pCO(2) in response to solar brightening, alongside a decrease in hydrothermal exchange between seawater and the ocean crust. A lower pH in Earth's early oceans likely affected the kinetics of chemical reactions associated with the origin of life, the energetics of early metabolisms, and climate through the partitioning of CO2 between the oceans and atmosphere. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000396348900043 |
WOS关键词 | OCEAN ; OXYGEN ; CONSTRAINTS ; FEEDBACK ; CYCLE ; MODEL |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/195572 |
专题 | 地球科学 资源环境科学 气候变化 |
作者单位 | 1.Weizmann Inst Sci, Dept Earth & Planetary Sci, Rehovot, Israel; 2.Stanford Univ, Sch Earth Energy & Environm Sci, Stanford, CA 94305 USA |
推荐引用方式 GB/T 7714 | Halevy, I.,Bachan, A.. The geologic history of seawater pH[J]. SCIENCE,2017,355(6329):1069-1071. |
APA | Halevy, I.,&Bachan, A..(2017).The geologic history of seawater pH.SCIENCE,355(6329),1069-1071. |
MLA | Halevy, I.,et al."The geologic history of seawater pH".SCIENCE 355.6329(2017):1069-1071. |
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