Effect of Topography Degradation on Crater Size-Frequency Distributions: Implications for Populations of Small Craters and Age Dating
文献类型：期刊论文
| 作者 | Xie, Minggang1; Zhu, Meng-Hua1; Xiao, Zhiyong1,2; Wu, Yunzhao3,4; Xu, Aoao1 |
| 刊名 | GEOPHYSICAL RESEARCH LETTERS
 |
| 出版日期 | 2017-10-28 |
| 卷号 | 44期号:20页码:10171-10179 |
| ISSN号 | 0094-8276 |
| DOI | 10.1002/2017GL075298 |
| 通讯作者 | Xie, Minggang(xieminggang13@gmail.com) ; Zhu, Meng-Hua(mhzhu@must.edu.mo) |
| 英文摘要 | Whether or not background secondary craters dominate populations of small impact craters on terrestrial bodies is a half-century controversy. It has been suggested that small craters on some planetary bodies are dominated by background secondary craters based partly on the steepened slope of crater size-frequency distribution (CSFD) toward small diameters, such as the less than similar to 1 km diameter crater population on the lunar mare. Here we show that topography degradation enlarges craters and increases CSFD slopes with time. When topography degradation is taken into account, for various-aged crater populations, the observed steep CSFD at small diameters is uniformly consistent with an originally shallower CSFD, whose slope is undifferentiated from the CSFD slope estimated from near-Earth objects and terrestrial bolides. The results show that the effect of topography degradation on CSFD is important in dating planetary surfaces, and the steepening of CSFD slopes is not necessarily caused by secondary cratering, but rather a natural consequence of topography degradation. |
| WOS关键词 | INNER SOLAR-SYSTEM ; LUNAR IMPACT CRATERS ; SECONDARY CRATERS ; SURFACE ; MARS ; MOON ; MERCURY ; EQUILIBRIUM ; CONSTRAINTS ; VARIABILITY |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000416761600011 |
| 出版者 | AMER GEOPHYSICAL UNION |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/22085]  |
| 专题 | 中国科学院紫金山天文台 |
| 通讯作者 | Xie, Minggang; Zhu, Meng-Hua |
| 作者单位 | 1.Macau Univ Sci & Technol, Lunar & Planetary Sci Lab, Macau, Peoples R China 2.China Univ Geosci, Sch Earth Sci, Planetary Sci Inst, Wuhan, Hubei, Peoples R China 3.Chinese Acad Sci, Purple Mt Observ, Key Lab Planetary Sci, Nanjing, Jiangsu, Peoples R China 4.Jiangsu Ctr Collaborat Innovat Geog Informat Res, Nanjing, Jiangsu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xie, Minggang,Zhu, Meng-Hua,Xiao, Zhiyong,et al. Effect of Topography Degradation on Crater Size-Frequency Distributions: Implications for Populations of Small Craters and Age Dating[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(20):10171-10179. |
| APA | Xie, Minggang,Zhu, Meng-Hua,Xiao, Zhiyong,Wu, Yunzhao,&Xu, Aoao.(2017).Effect of Topography Degradation on Crater Size-Frequency Distributions: Implications for Populations of Small Craters and Age Dating.GEOPHYSICAL RESEARCH LETTERS,44(20),10171-10179. |
| MLA | Xie, Minggang,et al."Effect of Topography Degradation on Crater Size-Frequency Distributions: Implications for Populations of Small Craters and Age Dating".GEOPHYSICAL RESEARCH LETTERS 44.20(2017):10171-10179. |
入库方式： OAI收割
来源：紫金山天文台
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