Soil Climate Site - Eagle Summit, Alaska
 

SNOTEL Site: Eagle Summit Location: 65° 29’ 09’’ N, 145° 24’ 44’’ W Elevation: 1,160 meters Landform: mountain Position: summit Slope: 6 percent Aspect: northwest Vegetation: dwarf ericaceous-lichen scrub

Domain:  Soil temperature and moisture data are representative of well drained alpine soils with dwarf scrub vegetation in the Interior Brooks Range, Interior Alaska Mountains, Interior Alaska Highlands, Upper Kobuk and Koyukuk Hills and Valleys, and Yukon-Kuskokwim Highlands Major Land Resource Areas ( illustrated in red).

US Soil Taxonomy:  loamy-skeletal, mixed, superactive Humic   Dystrogelepts
Parent Material: cryoturbate derived from schist
General Soil Profile Description:
  Oe-0 to 2 cm; dark brown; moderately decomposed plant      material; pH 4.5
  Ajj-6 to 38 cm; dark brown; extremely flaggy silt loam; pH 4.7  Bwjj-38 to 80 cm; dark yellowish brown; very channery silt loam; pH 5.2
  Cr-80 to 152 cm; fractured schist bedrock

Notable Features:  Frost action has concentrated rock fragments in the surface layers above 20 cm depth and has fractured the underlying schist bedrock.

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