Hydrological History of a Palaeolake and Valley System on the Planetary Dichotomy in Arabia Terra, Mars

Hydrological History of a Palaeolake and Valley System on the Planetary Dichotomy in Arabia Terra, Mars
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火星阿拉伯地行星二分法上的古湖和山谷系统的水文历史

DOI:
10.1029/2021je007152
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发表时间:
2022
期刊:
Planets
影响因子:
--
通讯作者:
Dickeson Z
Dickeson Z
中科院分区:
--
文献类型:
--
作者:
Dickeson Z

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在火星上已经发现了数百个古老的古湖泊盆地,并将其编目,这表明了液态水的分布和可用性以及天体生物学潜力的地点。古湖泊广泛分布在南部高地的诺亚纪地层中,但阿拉伯地很少有记录在案的古湖泊,开放盆地古湖泊的例子更少。在这里,我们提出了一个详细的地形和地貌研究的一组以前未知的七个开放盆地古湖泊毗邻的行星二分法在阿拉伯半岛西部Terra。高分辨率的地形数据被用来帮助识别和描述微妙的和不规则的盆地内的古湖泊,揭示了两个古湖泊系统终止于二分法,包括一个160公里的链的6个古湖泊连接的短谷段。多个,时间上不同的古湖泊填充水平在每个古湖泊盆地的分析和相关性表明,在诺亚纪复杂而漫长的水文历史。排水集水区和塌陷特征将该系统置于区域水文学和地球二分法历史的背景下,显示了地下水来源和地表积累的证据。此外,由小得多的古湖泊供水的大型古湖泊的排列表明,通过水库缓冲的水通过系统的一致流动,而不是通过系统级联的湖泊的灾难性溢出。
Hundreds of ancient palaeolake basins have been identified and cataloged on Mars, indicating the distribution and availability of liquid water as well as sites of astrobiological potential. Palaeolakes are widely distributed across the Noachian aged terrains of the southern highlands, but Arabia Terra hosts few documented palaeolakes and even fewer examples of open‐basin palaeolakes. Here we present a detailed topographic and geomorphological study of a previously unknown set of seven open‐basin palaeolakes adjacent to the planetary dichotomy in western Arabia Terra. High resolution topographic data were used to aid identification and characterization of palaeolakes within subtle and irregular basins, revealing two palaeolake systems terminating at the dichotomy, including a ∼160 km chain of six palaeolakes connected by short valley segments. Analysis and correlation of multiple, temporally distinct palaeolake fill levels within each palaeolake basin indicate a complex and prolonged hydrological history during the Noachian. Drainage catchments and collapse features place this system in the context of regional hydrology and the history of the planetary dichotomy, showing evidence for both groundwater sources and surface accumulation. Furthermore, the arrangement of large palaeolakes fed by far smaller palaeolakes, indicates a consistent flow of water through the system, buffered by reservoirs, rather than a catastrophic overflow of lakes cascading down through the system.
杰泽罗河流三角洲(火星)的估计最短寿命。
DOI: --
发表时间: 2020
期刊: Astrobiology
影响因子: 4.2
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DOI: 10.1016/j.icarus.2013.12.026
发表时间: 2014
期刊: Icarus
影响因子: 3.2
作者:
W. Marra;L. Braat;A. Baar;M. Kleinhans
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发表时间: 1995
期刊:
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盖尔陨石坑地区沿火星地壳二分边界的三角洲是否记录了北大洋?
DOI: 10.1029/2019gl083046
发表时间: 2019
影响因子: 5.2
作者:
F. Rivera‐Hernández;M. Palucis
通讯作者: M. Palucis
利用假定的三角洲分布、沿海特征和陆地类似物重建火星门萨猪笼草的古湖泊
DOI: --
发表时间: 2020
期刊: Geomorphology
影响因子: 3.9
作者:
Á. García;F. Gutiérrez
通讯作者: F. Gutiérrez