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佩列佩爾金隕擊坑

座標52°48′N 64°36′W / 52.8°N 64.6°W / 52.8; -64.6
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佩列佩爾金隕擊坑
佩列佩爾金隕擊坑地形圖
行星火星
區域阿耳卡狄亞區
坐標[錨點失效]52°48′N 64°36′W / 52.8°N 64.6°W / 52.8; -64.6
火星方格列表阿耳卡狄亞區
直徑77公里
命名葉夫根尼·雅科夫列維奇·佩列佩爾金
佩列佩爾金隕擊坑及附近其他隕坑地圖

佩列佩爾金隕擊坑(Perepelkin)是火星阿耳卡狄亞區的一座撞擊坑,其中心坐標位於北緯52.8度、西經64.6度處,直徑77公里。該特徵取名自前蘇聯天文學家葉夫根尼·雅科夫列維奇·佩列佩爾金(1906年-1940年),1973年被國際天文聯合會行星系統命名工作組批准接受[1]

描述

該隕坑大部分地區都蒙覆着一層覆蓋物,據信這層覆蓋物是不同氣候時期從大氣中飄落的含冰塵埃,在下面的圖片中可看到覆蓋層。此外,在覆蓋層消失的某些地方,可看到河道。

覆蓋層

研究人員注意到火星大部分區域都鋪覆着一層平整的覆蓋層[2]。有些被侵蝕地區會露出下方粗糙的表面,而另一些地區則有多層覆蓋層。人們普遍認為,覆蓋層是富冰塵埃,為不同氣候條件下從上空降落的覆冰塵埃顆粒[3]。其富冰性質的證據是存在一些冰融化時僅數小時水流沖刷所形成溝壑[4][5][6][7]。在高緯度地區,如米蘭科維奇撞擊坑周圍,覆蓋層較厚,可能含有圓形的扇貝狀地形[8],它們被認為是由覆蓋層中的冰升華所引起,現已經提出了數種模型來解釋它們,有些情況下會有少量融化[9][10][11][12]

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參考文獻

  1. ^ Gazetteer of Planetary Nomenclature | Perepelkin. usgs.gov. International Astronomical Union. [4 March 2015]. (原始內容存檔於2022-05-04). 
  2. ^ Mustard, J., C. Cooper, M. Rifkin. 2001. Evidence for recent climate change on Mars from the identification of youthful near-surface ground ice. Nature 412, 411–414 .
  3. ^ Pollack, J., D. Colburn, F. Flaser, R. Kahn, C. Carson, and D. Pidek. 1979. Properties and effects of dust suspended in the martian atmosphere. J. Geophys. Res. 84, 2929-2945.
  4. ^ Raack, J., D. Reiss, and H. Hiesinger. 2012. Gullies and their relationships to the dust-ice mantle in the northwestern Argyre Basin, Mars. Icarus 219, 129-141.
  5. ^ Schon, S. and J. Head. 2011. OBSERVATIONS OF GULLY DEVELOPMENT IN GASA – A RAYED CRATER. 42nd Lunar and Planetary Science Conference 2546.pdf
  6. ^ Schon, S. and J. Head. 2012. Gasa impact crater, Mars: Very young gullies formed from impact into latitude-dependent mantle and debris-covered glacier deposits? Icarus 218, 459–477.
  7. ^ Dickson, J., and J. Head. 2009. The formation and evolution of youthful gullies on Mars: Gullies as the late-stage phase of Mars』 most recent ice age. Icarus 204, 63–86.
  8. ^ Lefort, A., P. Russell, N. Thomas, A. McEwen, C. Dundas, R. Kirk. 2009. Scalloped terrains in the Peneus and Amphitrites Patera region of Mars as observed by HiRISE. Icarus 205, 259-268.
  9. ^ Soare, R., J. Kargel, G. Osinski, F. Costard. 2007. Thermokarst processes and the origin of crater-rim gullies in Utopia and western Elysium Planitia. Icarus 191, 95-112.
  10. ^ Lefort, A., P. Russell, N. Thomas, A. McEwen, C. Dundas, R. Kirk. 2009. Scalloped terrains in the Peneus and Amphitrites Patera region of Mars as observed by HiRISE. Icarus 205, 259-268
  11. ^ Ulrich, R., T. Kral, C. Chevrier, R. Pilgrim, L. Roe. 2010. Dynamic temperature fields under Mars landing sites and implications for supporting microbial life. Astrobiology 10, 643-650.
  12. ^ Soare, R. and G. Osinski. 2009. Stratigraphical evidence of late Amazonian perglaciation and glaciation in the Astapus Colles region of Mars. Icarus 202, 17-21