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DOI | 10.1038/s41561-018-0093-9 |
The geological and climatological case for a warmer and wetter early Mars | |
Ramirez, Ramses M.1; Craddock, Robert A.2 | |
2018-04-01 | |
发表期刊 | NATURE GEOSCIENCE
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ISSN | 1752-0894 |
EISSN | 1752-0908 |
出版年 | 2018 |
卷号 | 11期号:4页码:230-237 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan; USA |
英文摘要 | The climate of early Mars remains a topic of intense debate. Ancient terrains preserve landscapes consistent with stream channels, lake basins and possibly even oceans, and thus the presence of liquid water flowing on the Martian surface 4 billion years ago. However, despite the geological evidence, determining how long climatic conditions supporting liquid water lasted remains uncertain. Climate models have struggled to generate sufficiently warm surface conditions given the faint young Sun-even assuming a denser early atmosphere. A warm climate could have potentially been sustained by supplementing atmospheric CO2 and H2O warming with either secondary greenhouse gases or clouds. Alternatively, the Martian climate could have been predominantly cold and icy, with transient warming episodes triggered by meteoritic impacts, volcanic eruptions, methane bursts or limit cycles. Here, we argue that a warm and semi-arid climate capable of producing rain is most consistent with the geological and climatological evidence. |
领域 | 地球科学 ; 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000429131600013 |
WOS关键词 | CARBON-DIOXIDE CLOUDS ; MARTIAN ATMOSPHERE ; MARGARITIFER SINUS ; FLUVIAL EROSION ; VALLEY NETWORKS ; EARLY HISTORY ; CLIMATE ; WATER ; EVOLUTION ; CO2 |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/35003 |
专题 | 地球科学 气候变化 |
作者单位 | 1.Tokyo Inst Technol, Earth Life Sci Inst, Tokyo, Japan; 2.Smithsonian Inst, Natl Air & Space Museum, Ctr Earth & Planetary Studies, Washington, DC 20560 USA |
推荐引用方式 GB/T 7714 | Ramirez, Ramses M.,Craddock, Robert A.. The geological and climatological case for a warmer and wetter early Mars[J]. NATURE GEOSCIENCE,2018,11(4):230-237. |
APA | Ramirez, Ramses M.,&Craddock, Robert A..(2018).The geological and climatological case for a warmer and wetter early Mars.NATURE GEOSCIENCE,11(4),230-237. |
MLA | Ramirez, Ramses M.,et al."The geological and climatological case for a warmer and wetter early Mars".NATURE GEOSCIENCE 11.4(2018):230-237. |
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