globalchange  > 气候变化与战略
DOI: 10.1073/pnas.2011033117
论文题名:
Emergence of the Southeast Asian islands as a driver for Neogene cooling
作者: Park Y.; Maffre P.; Godderis Y.; MacDonald F.A.; Anttila E.S.C.; Swanson-Hysell N.L.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2020
卷: 117, 期:41
起始页码: 25319
结束页码: 25326
语种: 英语
英文关键词: Arc-continent collision ; Neogene cooling ; Silicate weathering ; Southeast Asian islands ; Weatherability
Scopus关键词: carbon dioxide ; silicate ; Antarctica ; Article ; atmosphere ; carbon sink ; carbon source ; cooling ; environmental parameters ; glaciation ; global climate ; ice sheet ; island (geological) ; Neogene ; Northern Hemisphere ; priority journal ; Southeast Asia ; topography ; weathering
英文摘要: Steep topography, a tropical climate, and mafic lithologies contribute to efficient chemical weathering and carbon sequestration in the Southeast Asian islands. Ongoing arc-continent collision between the Sunda-Banda arc system and Australia has increased the area of subaerially exposed land in the region since the mid-Miocene. Concurrently, Earth's climate has cooled since the Miocene Climatic Optimum, leading to growth of the Antarctic ice sheet and the onset of Northern Hemisphere glaciation. We seek to evaluate the hypothesis that the emergence of the Southeast Asian islands played a significant role in driving this cooling trend through increasing global weatherability. To do so, we have compiled paleoshoreline data and incorporated them into GEOCLIM, which couples a global climate model to a silicate weathering model with spatially resolved lithology. We find that without the increase in area of the Southeast Asian islands over the Neogene, atmospheric pCO2would have been significantly higher than preindustrial values, remaining above the levels necessary for initiating Northern Hemisphere ice sheets. © 2020 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163993
Appears in Collections:气候变化与战略

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作者单位: Park, Y., Department of Earth and Planetary Science, University of California, Berkeley, CA 94720, United States; Maffre, P., Department of Earth and Planetary Science, University of California, Berkeley, CA 94720, United States; Godderis, Y., Geosciences Environnement Toulouse, Centre National de la Recherche Scientifique, Universite Paul Sabatier, Institut de Recherche Pour le Developpement, Toulouse, 31400, France; MacDonald, F.A., Department of Earth Science, University of California, Santa Barbara, CA 93106, United States; Anttila, E.S.C., Department of Earth Science, University of California, Santa Barbara, CA 93106, United States; Swanson-Hysell, N.L., Department of Earth and Planetary Science, University of California, Berkeley, CA 94720, United States

Recommended Citation:
Park Y.,Maffre P.,Godderis Y.,et al. Emergence of the Southeast Asian islands as a driver for Neogene cooling[J]. Proceedings of the National Academy of Sciences of the United States of America,2020-01-01,117(41)
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