Print Date: 09/10/2008
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Country:
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Description Date: 07/10/1995
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State: Alaska
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Describer: D.S.
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County: North Slope Borough
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Site ID: 95AK185013
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MLRA:
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Site Note:
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Soil Survey Area:
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Pedon ID: 95AK185013
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Map Unit:
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Pedon Note: 3) 0-35cm thickness; 8) water seeping in slowly at about 20cm; 2) 16-52cm thaw today; permafrost est 70 under hummod & permafrost est 45 under Hollow. Eriophorum tussocks 20% of area; 10-15cm high; earth hummocks 0.5-1 in dia, 15-25cm high, 70% of area; tussocks occur on hummocks & between mudboils .2-.5m dia, 10-15% of area, most on hummocks, some not. Salix spp. med shrubs S of reticulata, Arctostaphylos spp., Cassiope tetragona, Dryas integrifolia, Reiophorum of vaginatum, Earex spp., Lupinus arcticus, Oxytropus sp. (yellow), paparer sp., pytola sp., Oxytropus nigricans, astrognlus umbellatus, Tomenthypnum nitens, Aulocomnium turgidum splenen.
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Quad Name:
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Lab Source ID: SSL
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Location Description:
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Lab Pedon #: 95P0638
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Legal Description:
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Soil Name as Described/Sampled: Flux Site 3
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Latitude: 69 degrees 26 minutes 27.90 seconds north
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Soil Name as Correlated: SND
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Longitude: 148 degrees 39 minutes 59.90 seconds west
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Classification:
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Datum:
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Pedon Type:
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UTM Zone:
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Pedon Purpose:
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UTM Easting:
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Taxon Kind:
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UTM Northing:
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Associated Soils:
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Physiographic Division:
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Primary Earth Cover:
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Physiographic Province:
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Secondary Earth Cover:
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Physiographic Section:
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Existing Vegetation:
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State Physiographic Area:
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Parent Material:
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Local Physiographic Area:
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Bedrock Kind:
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Geomorphic Setting: butte
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Bedrock Depth:
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Upslope Shape: convex
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Bedrock Hardness:
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Cross Slope Shape: convex
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Bedrock Fracture Interval:
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Particle Size Control Section:
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Surface Fragments:
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Description origin: Converted from PDP 3.x
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Description database: NSSL
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Diagnostic Features:
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? to ? cm.
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Cont. Site ID: 95AK185013
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Pedon ID: 95AK185013
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Slope (%)
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Elevation (meters)
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Aspect (deg)
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MAAT (C)
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MSAT (C)
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MWAT (C)
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MAP (mm)
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Frost-Free Days
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Drainage Class
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Slope Length (meters)
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Upslope Length (meters)
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3.0
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243.0
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45
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Oi--0 to 35 centimeters; dark brown (7.5YR 3/3) peat; many very fine to medium roots; clear broken boundary. Lab sample # 95P04639. lower part below 25cm probably perennially frozen. Thickness range 0-35.
Oe--5 to 25 centimeters; black (10YR 2/1) muck, peat; many very fine to medium roots; clear broken boundary. Lab sample # 95P04640. measurements are uppermost and lowermost occurrences of horizon. Thickness range: Oe = 0-5.
Bw--0 to 35 centimeters; very dark grayish brown (10YR 3/2) silt loam; weak medium granular structure; friable, moderately sticky, moderately plastic; many very fine and fine roots; gradual broken boundary. Lab sample # 95P04641. Thickness range: Bw= 0-35
Bg--0 to 45 centimeters; very dark grayish brown (2.5Y 3/2) and very dark grayish brown (10YR 3/2) silt loam; medium prominent cylindrical dark yellowish brown (10YR 4/6) mottles; weak medium granular structure; friable, moderately sticky, moderately plastic; many very fine and fine roots; clear wavy boundary. Lab sample # 95P04642. cryoturbated mixture of 2.5Y, 10YR, and Oa 10YR2/1; Oa makes up about 10% irregular distributed. Thickness range: Bg = 0-45
Bgf--45 to 60 centimeters; very dark grayish brown (2.5Y 3/2) loam; medium faint platy dark yellowish brown (10YR 4/6) mottles; massive; extremely firm*, moderately sticky, moderately plastic; clear wavy boundary. Lab sample # 95P04643. transitional frozen layer, probably thaws in some but not all years. Thickness range: Bgf = 0-15
Bg/Oaf--35 to 80 centimeters; dark gray (5Y 4/1) and black (10YR 2/1) loam; massive; extremely firm*, moderately sticky, moderately plastic; gradual irregular boundary. Lab sample # 95P04644. 20% Oa material (10YR); organic cryoturbated down from pocket of O in hollow; ice-rich ~30%. Thickness range: Bg/Oaf = 25-50
Cf--80 to 100 centimeters; dark gray (5Y 4/1); massive.. ice-rich ~50% |
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