LOCATION BARTELL AK
Established Series
SDB/MJS
08/2025
BARTELL SERIES
Depth class: very deep
Drainage class: poorly drained
Parent material: mossy organic over sandy alluvium
Landscape: mountains
Landform: drainageways and stream terraces
Slopes: 0 to 12 percent
Mean annual precipitation: about 600 mm (24 in)
Mean annual air temperature: about -3 degrees C. (27 degrees F)
Frost-free period: 36 to 71 days
TAXONOMIC CLASS: Sandy, mixed Histic Cryaquepts
TYPICAL PEDON: Bartell mucky peat on a willow and grass dominated stream terrace at an elevation of 1057 meters (3470 ft)
Oi--0 to 5 cm (0 to 2 in); peat, brown (7.5YR 5/3) dry, dark brown (7.5YR 3/3) rubbed moist; nonsticky, nonplastic; common very fine and fine roots throughout; slightly acid (pH 6.1); clear smooth boundary. (3 to 10 cm, 1 to 4 in thick)
Oe--5 to 24 cm (2 to 10 in); mucky peat, brown (7.5YR 4/3) rubbed moist; nonsticky, nonplastic; common very fine and fine roots throughout; neutral (pH 6.9); very abrupt smooth boundary. (combined 17 to 25 cm, 7 to 10 in thick)
Cg--24 to 200 cm (10 to 79 in); cobbly loamy fine sand, grayish brown (2.5Y 5/2) reduced moist; single grain; loose, nonsticky, nonplastic; nonsmeary; common fine roots top of horizon; common fine interstitial pores throughout; 10 percent fine distinct light brownish gray (10YR 6/2) masses of reduced iron with clear boundaries in matrix and 10 percent fine distinct yellowish brown (10YR 5/4) masses of oxidized iron with clear boundaries in matrix; 5 percent subrounded gravel, 20 percent rounded cobbles by volume; very strongly acid (pH 4.8); clear wavy boundary.(165 to 180 cm, 65 to 71 in thick)
TYPE LOCATION: North Copper River Soil Survey Area, Alaska; latitude 62.82059, longitude -144.12783, UTM 6968864.10 north and 646338.92 east, zone 7, Datum WGS84.
RANGE IN CHARACTERISTICS:
Soil moisture regime: aquic
Soil temperature regime: cryic
Mean annual soil temperature: -1 to 5 degrees C. (30 to 41 degrees F)
Thickness of histic epipedon: 20 to 35 cm (8 to 14 in)
Depth to Aquic conditions: 0 to 200 cm (0 to 80 in)
Depth to redoximorphic concentrations: 20 to 35 cm (8 to 14 in)
Depth to redoximorphic depletions: 20 to 35 cm (8 to 14 in)
Oi, Oe, and Oa horizon:
Hue: 7.5YR or 10YR
Value: 2 to 4
Chroma: 1 to 3
Texture: peat, mucky peat, muck
Organic matter: 60 to 90 percent
Reaction class: moderately acid to neutral (pH 5.1 to 6.8)
Cg horizon:
Hue: 2.5Y or 5Y
Value: 4 to 5
Chroma: 1 to 2
Texture: gravelly loamy fine sand, cobbly loamy fine sand, gravely coarse sand, cobbly coarse sand
Sand: 71 to 95 percent
Silt: 0 to 28 percent
Clay: 1 to 6 percent
Rock fragments: 15 to 34 percent
Gravels: 0 to 9 percent
Cobbles: 5 to 25 percent
Organic matter: 0.1 to 1 percent
Reaction class: very strongly acid to slightly acid (pH 4.6 to 6.5)
COMPETING SERIES: These are the
Foreland (AK) soils.
Foreland has an A horizon and does not have cobbles in the Cg horizons.
GEOGRAPHIC SETTING:
Elevation: 800 to 1200 meters (2625 to 3935 ft)
Parent material: mossy organic over sandy alluvium
Landform: drainageways and stream terraces
Slopes: 0 to 12 percent
Mean annual precipitation: 400 to 600 mm (16 to 24 in)
Mean annual air temperature: -4 to -2 degrees C. (25 to 28 degrees F)
Frost free period: 36 to 71 days
GEOGRAPHICALLY ASSOCIATED SOILS: These are the
Fields, Hungryhollow, Ironcreek,
Klute, Mentasta, Tasta, and Tsina soils.
Hungryhollow are poorly drained organic soils, have a sapric horizon, have permafrost, have mineral soil starting at depths greater than 52 cm (20 in), and occur on mountain valleys.
Klute soils are moderately well drained, have stratified materials in subsurface horizons, and occur on terraces and floodplains in river valleys.
Ironcreek soils are well drained, lack permafrost, and occurs on flood plains in river valleys.
Fields soils are well drained, have umbric epipedons, have lithic contacts within 200 cm (79 in), and occur on hillslopes.
Mentasta soils are well drained, have a loess cap, and occur on till covered hillslopes.
Stibnite soils are well drained, have a cambic horizon, and occur on till plains, mountains, kames and kettles.
Tsina soils are well drained, have an ochric epipedon, and occur on mountain slopes at elevations greater than 800 m (2600ft).
Tasta soils are well drained, have very gravelly mollic epipedons, and occur on mountain slopes at elevations greater than 800 m (2600 ft).
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class: poorly drained
Saturated Hydraulic Conductivity: high in Oi and Oe horizons, very high in Cg horizon
Permeability: rapid in Oi and Oe horizons, very rapid in Cg horizon
Runoff: high
USE AND VEGETATION:
Use: wildlife habitat, recreation, and subsistence
Native vegetation: greyleaf willow and wideleaf polargrass
DISTRIBUTION AND EXTENT: MLRA 228 Interior Alaska mountains.
Extent: moderate
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Wasilla, Alaska
SERIES ESTABLISHED: North Copper River Soil Survey, Alaska, 2024.
REMARKS: Diagnostic features and horizons recognized in this profile include:
Particle-size control section: 49 to 124 cm (19 to 49 in)
Histic epipedon: 0 to 24 cm (0 to 9 in) (Oi and Oe horizons)
Aquic conditions: 0 to 200 cm (0 to 79 in) (Oi, Oe, and Cg horizons)
Redoximorphic concentrations: 24 to 200 cm (9 to 79 in) (Cg horizon)
Redoximorphic depletions: 24 to 200 cm (9 to 200 in) (Cg horizon)
Reduced matrix: 24 to 200 cm (9 to 200 in) (Cg horizon)
ADDITIONAL DATA:
User pedon Id: 2023AK261813
National Cooperative Soil Survey
U.S.A.