Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL087742 |
Himalayan‐Tibetan Erosion is not the Cause of Neogene Global Cooling | |
Peter D. Clift; Tara N. Jonell | |
2021-04-06 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2021 |
英文摘要 | Uplift and erosion of the Himalaya and Tibetan Plateau has resulted in deposition of some of the largest sedimentary masses on Earth. Chemical weathering of these materials has been invoked as a primary driver of long‐term global cooling because weathering of silicate material consumes atmospheric CO2. We here combine geochemical data from scientific drill sites in the Arabian and South China Seas, together with sediment mass flux budgets, to estimate changes in chemical weathering fluxes for the Indus, Mekong and Pearl river systems. The rate of CO2 consumption decreased by 50% between ∼16 and 5.3 Ma, especially in the Indus system, as onshore erosion slowed and provenance shifted away from mafic arc units in the suture zone. Falling chemical weathering fluxes during a period of global cooling refutes the idea that Himalaya–Tibetan Plateau uplift drove Neogene global cooling. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/322079 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Peter D. Clift,Tara N. Jonell. Himalayan‐Tibetan Erosion is not the Cause of Neogene Global Cooling[J]. Geophysical Research Letters,2021. |
APA | Peter D. Clift,&Tara N. Jonell.(2021).Himalayan‐Tibetan Erosion is not the Cause of Neogene Global Cooling.Geophysical Research Letters. |
MLA | Peter D. Clift,et al."Himalayan‐Tibetan Erosion is not the Cause of Neogene Global Cooling".Geophysical Research Letters (2021). |
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