Soil Climate Site - Ikalukrok Creek, Alaska
 

SNOTEL Site: Ikalukrok Creek Location: 68° 05’ 07’’ N, 162° 58’ 23’’ W Elevation: 190 meters Landform: stream terrace Slope: 0 percent Aspect: N/A Vegetation: shrub birch/ericaceous shrub scrub

Domain: Soil temperature and moisture data are representative of western Alaska shrub birch communities on well drained upland locations. Soils are formed in a thin mantle of loess or loamy alluvium over gravelly alluvium or drift deposits in the Northern Seward-Selawik Lowlands, Seward Peninsula Highlands, Western Brooks Range Mountains, Foothills and Valleys Major Land Resource Areas ( illustrated in red).

US Soil Taxonomy:  coarse-loamy over sandy or sandy-skeletal, mixed, superactive Typic Haplogelepts.
Parent Material: loess over stratified loamy alluvium underlain by sandy and gravelly alluvium derived from sedimentary rocks
General Soil Profile Description:
  Oi-0 to 6 cm; dark reddish brown; moderately decomposed plant material; pH 4.2
  A/Bw-6 to 12 cm; very dark brown and black; silt loam; pH 5.2
  2Bw-12 to 40 cm; black; stratified sand through silt; pH 5.5
  3C1 and 3C2-40 to152 cm; black; extremely gravelly loamy sand over extremely cobbly sand; pH 6.0
  Notable Features:  Dark dark sedimentary rocks impart a black color to soils.

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