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McMurdo Dry Valleys, Landsat 7 imagery acquired on December 18, 1999. The Dry Valleys are so named because of their extremely low humidity and lack of snow or ice cover. They are also dry because, in this location, the mountains are sufficiently high that they block seaward-flowing ice from the East Antarctic Ice Sheet from reaching the Ross ...
The McMurdo Dry Valleys region of Antarctica is a polar desert characterized by extremely low annual precipitation (<100 mm (3.9 in)) and an absence of vascular plants and vertebrates; microbial activity dominates biological functioning. [2]
In the dry valleys, S. lindsayae is the dominant nematode, representing about 80% of the worms recorded, especially in the colder and drier parts where other species often cannot be found. [9] It is also more common at higher altitudes. [10] [11] Found as far south as 83.48 degrees, it is the southernmost worm species recorded. [3]
The McMurdo Dry Valleys, for example—which haven’t seen rain in nearly two million years—are a nice environmental comparison for Mars, which is also extremely cold and extremely dry (though ...
Taylor Valley is one of the McMurdo Dry Valleys. Parts of the area were visited by British expeditions led by Captain Robert Falcon Scott (1901–04 and 1910–13), who referred to Taylor Valley, as well as Beacon Valley and Pyramid Trough (named later), as "dry valleys." [3] It runs from the east end of Taylor Glacier to New Harbour in McMurdo ...
The McMurdo Dry Valleys — a row of snow-free valleys in Antarctica, located in the Transantarctic Mountains west of McMurdo Sound in the Victoria Land region. Subcategories This category has the following 3 subcategories, out of 3 total.
The air temperatures are comparable to the McMurdo Dry Valleys, range -15 °C to -20 °C (for the McMurdo Dry Valleys -15 °C to -40 °C). The island is an area of thick permafrost with low precipitation, leading to desert conditions. The water from the springs has a temperature of between -4 °C and 7 °C.
The inflows and outflows are normally dry due to average annual temperatures down to −30 °C (−22 °F) at Lake Vida. Meltwater flows for a few weeks in the summer months when temperatures rise sufficiently for the nearby glaciers to melt. The McMurdo Dry Valleys are classified as extreme desert.