Beacon Valley
Beacon Valley Camp | |
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Field Camp | |
 A helicopter prepares to land at Beacon Valley camp. | |
  Beacon Valley Camp Location of Beacon Valley in Antarctica | |
| Coordinates: 77°51′32″S 160°34′26″E / 77.859°S 160.574°E | |
| Country |  United States |
| Location in Antarctica | Beacon Valley Victoria Land Antarctica |
| Established | 2004 |
| Type | Seasonal |
| Status | Operational |
Beacon Valley (77°49′S 160°39′E / 77.817°S 160.650°ECoordinates: 77°49′S 160°39′E / 77.817°S 160.650°E) is an ice-free valley between Pyramid Mountain and Beacon Heights, in Victoria Land. It was mapped by the British Antarctic Expedition, 1910–13, and named by the Victoria University of Wellington Antarctic Expedition (VUWAE) (1958–59) after Beacon Heights.
Named features[]
Beacon Valley includes several smaller geographic features, named during various scientific surveys.
- Profile Bluff (77°52′S 160°26′E / 77.867°S 160.433°E), a prominent cliff (2,070 m) midway between Mount Weller and Horizon Bluff on the west side of the valley. Named in 1993 by the New Zealand Geographic Board (NZGB).[1]
- Horizon Bluff (77°54′S 160°27′E / 77.900°S 160.450°E), a steep bluff at the head of the valley, rising to 2,275 metres (7,460 ft). It is west of Friedmann Valley. Named in 1993 by the NZGB.[2]
- Rector Ridge (77°54′S 160°33′E / 77.900°S 160.550°E), a bold rock ridge at the head of the valley, rising to 2,105 m. It was named in 1992 by Advisory Committee on Antarctic Names (US-ACAN) after Commander , U.S. Navy, Commanding Officer, Antarctic Development Squadron Six (VXE-6), May 1987 to May 1988.[3]
- Vestal Ridge (77°53′S 160°38′E / 77.883°S 160.633°E), a steep rock ridge in southeast Beacon Valley, rising to 2,240 m and forming the divide between Mullins Valley and Farnell Valley. It was named by US-ACAN in 1993 after (1942–1992), a microbiologist at the University of Cincinnati whose research in Antarctica focused on adaptations of microbial ecosystems to the extreme environments.[4]
Astrobiological characteristics[]
The central region of Beacon valley is considered to be one of the best terrestrial analogues for the current conditions on Mars. There is snowdrift and limited melting around the edges and occasionally in the central region, but for the most part, moisture is only found as thin films of brine around permafrost structures. It has slightly alkaline salt rich soil.[5][6]
References[]
- ^ "Profile Bluff". Geographic Names Information System. United States Geological Survey. Retrieved 2018-08-03.
- ^ "Horizon Bluff". Geographic Names Information System. United States Geological Survey. Retrieved 2018-08-03.
- ^ "Rector Ridge". Geographic Names Information System. United States Geological Survey. Retrieved 2018-08-03.
- ^ "Vestal Ridge". Geographic Names Information System. United States Geological Survey. Retrieved 2018-08-03.
- ^ McKay, Christopher P. (2008). "Snow recurrence sets the depth of dry permafrost at high elevations in the McMurdo Dry Valleys of Antarctica" (PDF). Antarctic Science. 21 (01): 89. doi:10.1017/S0954102008001508. ISSN 0954-1020.[permanent dead link]
- ^ The Planetary and Space Sciences Research Institute, The Open University (5 December 2012). "TN2: The Catalogue of Planetary Analogues, section 1.6.3" (PDF). Under ESA contract: 4000104716/11/NL/AF.
This article incorporates public domain material from the United States Geological Survey document: "Beacon Valley". (content from the Geographic Names Information System)
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