| 月球第谷区域内“冻融地貌”的发现 |
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| 引用本文：王丹,丁孝忠,韩同林,韩坤英,庞健峰,许可娟,王梁.2017.月球第谷区域内“冻融地貌”的发现[J].地球学报,38(6):971-980. |
| DOI：10.3975/cagsb.2017.06.12 |
| 摘要点击次数: 1978 |
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| 基金项目:科技部国家科技基础性工作专项“月球数字地质图编研”(编号: 2015FY210500) |
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| 中文摘要:随着月球探测的不断深入, 月球上是否有水或水冰的存在已引起开展行星和月球研究的科学家们的高度关注。以往的研究多偏重于仪器的探测, 以及极少量的样品测试分析, 结果并不令人满意。我们通过对月球高分辨率的卫星影像资料的详细解析, 从水和水冰形成的特有的地貌类型——冻融地貌入手, 发现月球上存在大量由冻融作用产生的与地球相似的“冻融地貌”类型, 主要有: 冻融泥流、冻胀丘、冻胀脊、冻胀裂隙、热融塌陷、热融滑坡等, 并且以哥白尼纪的第谷月坑及周边保留最多、最好和最完整。这些“冻融地貌”的发现, 对探讨月球上是否曾经存在水或水冰, 以及进一步开展月球形成演化等科学问题的研究具有重要意义。 |
| 中文关键词:月球 第谷撞击坑 水冰 冻融地貌 |
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| The Discovery of the “Freezing and Thawing Landform” of Tycho Impact Crater of the Moon |
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| Abstract:With the continuous development of lunar exploration, the problem as to whether there exists water or water-ice on the Moon has caused the scientists who carry out the planet and lunar research great attention. Previous studies emphasized the instrumental detection and tiny amounts of lunar sample test. In spite of all the efforts made by these researchers, the results remain unsatisfactory. Based on detailed analysis of high-resolution satellite images of the lunar exploration and the specific geomorphic type of water or water-ice formation, the authors discovered lots of “freezing and thawing landforms” produced by the action of freeze-thaw on the Moon which is similar to things of the earth. The “freezing and thawing landform” mainly includes such types as freeze-thaw solifluction, frost mound, frost ridge, frost cracks, hot melt landslides, and hot melt collapse, and these freezing and thawing landforms are most completely preserved in the Copernican Tycho crater and its surrounding areas. The discovery of “freeze-thawed landform” is of great significance in probing into the problem as to whether there exists water or water ice on the Moon, and also in further research on the evolution of the Moon. |
| keywords:the Moon Tycho impact crater water-ice freezing and thawing landform |
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