Doug Van Patten
Soil Subgroup Descriptions
TYPIC CRYAQUENTS ,
by Douglas J Van Patten
, by Douglas J Van Patten
SIMILAR SOILS: Aquic Cryorthents
Depth class: very deep
Drainage class: poorly or very poorly
Parent material: alluvium, colluvium, tidal deposits, glacial till
Landform: alluvial fans, floodplains, discharge slopes, tidal flats, depressions on glacial moraines,
Slopes: 0 to 3 percent
Mean annual precipitation: 68 inches
Mean annual temperature: 40 degrees F
TAXONOMIC CLASS: Coarse-loamy, mixed, Typic Cryaquents
TYPICAL PEDON: Typic Cryaquents - on a 1 percent slope under alder/horsetail at 50 feet elevation (All colors are for moist soil)
A--0 to 2 inches; very dark gray (5Y 3/1) silt loam; weak very fine granular structure; very friable, nonsticky, nonplastic; many roots; abrupt smooth boundary.
C1-- inches; black (10Y 2.5/1) fine sandy loam; weak very fine granular structure; friable, nonsticky, nonplastic ; common roots; abrupt smooth boundary.
C2—4 to 25 inches; very dark gray (N 3/ ) stratified silt loam and loamy fine sand; weak very thin platy structure; friable, nonsticky, nonplastic; 10 percent reddish brown (7.5YR 4/4) redoximorphic concentrations in root channels, 20 percent dark gray (5Y 4/1) redoximorphic depletions in matrix; few roots; gradual wavy boundary.
C3--25 to 50 inches; black (N 2.5/ ) stratified loamy sand and silt loam.
LOCATION: (PEDON 335) About 1 1/2 miles ENE of
REMARKS: Diagnostic features and horizons in this profile include:
Redoximorphic features from 4 to 25 inches. (C2 horizon)
Aquic moisture regime
Depth to water table: 32 cm
Depth to redox: 8 cm
Organic layer thickness: 4 cm
|Contact: Mike Gracz Kenai Watershed Forum Homer Field Office Old Town Professional Center 3430 Main Street Suite B1 Homer, AK 99603 907-235-2218||
23 January 2007 10:43