IDENTIFIERS
Current Taxon Name (Soil Name):
Nenana
OSD
Series Extent
User Site ID:
S1985AK290003
User Pedon ID:
85AK290003
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
85P0883
NCSS Pedon Lab Data NASIS Record ID -
57149
Print Date:
2/16/2025
LOCATION
Location In Web Soil Survey
AOI is roughly a square mile and pedon is marked in the center.
Location in SoilWeb
Location in Google Maps
Std. Latitude:
65.7333298
Std. Longitude:
-151.5000000
Datum:
WGS84
State:
Alaska
County:
AK290—Yukon-Koyukuk Census Area
MLRA:
174—Interior Alaska Lowlands
PEDON
Describers Name:
J.P. Moore and S. Brown
Current Taxonomic Class:
Coarse-loamy over sandy or sandy-skeletal, mixed, superactive Typic Cryochrepts
Current Taxon Kind:
taxadjunct
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
3
Correlated Information:
Soil Name -
Nenana
Classificaton Date -
7/11/2007
Sampled As Information:
Soil Name -
Nenana
Taxonomic Class -
Coarse-loamy over sandy or sandy-skeletal, mixed T
Taxon Kind -
series
Classificaton Date -
8/1/1985
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Slope Shape Down:
convex
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
8/1/1985 (actual site observation date)
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Setting and Climate
Slope
Slope Length USLE
Upslope Length
Elev.
Corr. Elev
Aspect
MAP
REAP
FFD
MAAT
MSAT
MWAT
MAST
MSST
MWST
MFFP
PE Index
Climate Station ID
Climate Station Name
Climate Station Type
%
m
degrees
mm
mm
C
mm
4
—
—
500
—
270
43
—
—
—
—
—
—
—
—
—
—
—
—
—
Oe—0 to 5 centimeters (0.0 to 2.0 inches); partially decomposed organic matter; fragments; abrupt boundary. Lab sample # 85P04723. Dark brown (7.5YR 3/2) decomposed material.
A—5 to 9 centimeters (2.0 to 3.5 inches); dark brown (7.5YR 3/2) interior silt loam; weak fine granular, and weak very fine platy structure; very friable, nonsticky, nonplastic; 5.5 medium roots and 2.5 coarse roots; fragments; strongly acid, pH 5.4, hellige-truog; abrupt wavy boundary. Lab sample # 85P04724. Many fine and very fine roots.; common coarse roots; many medium roots
Bw—8 to 17 centimeters (3.1 to 6.7 inches); brown (7.5YR 4/4) interior very fine sandy loam; moderate fine and medium subangular blocky structure; very friable, nonsticky, nonplastic; 2.5 medium roots and 0.5 coarse roots; fragments; strongly acid, pH 5.4, hellige-truog; abrupt wavy boundary. Lab sample # 85P04733. Many fine and very fine roots.; few coarse roots; common medium roots
Bw—9 to 18 centimeters (3.5 to 7.1 inches); reddish brown (5YR 4/4) interior silt loam; weak fine granular, and weak very fine platy structure; very friable, nonsticky, nonplastic; 2.5 very fine and fine roots and 2.5 coarse roots; fragments; strongly acid, pH 5.4, hellige-truog; abrupt wavy boundary. Lab sample # 85P04725. common coarse roots; common very fine and fine roots
Eb—18 to 28 centimeters (7.1 to 11.0 inches); yellowish brown (10YR 5/4) interior silt loam; weak fine platy structure; very friable, nonsticky, nonplastic; 5.5 very fine and fine roots and 2.5 medium and coarse roots; fragments; moderately acid, pH 5.6, hellige-truog; abrupt wavy boundary. Lab sample # 85P04726. common medium and coarse roots; many very fine and fine roots
BwB—28 to 29 centimeters (11.0 to 11.4 inches); reddish brown (5YR 4/3) interior loam; strong fine granular structure; friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots and 2.5 medium roots; fragments; moderately acid, pH 5.8, hellige-truog; abrupt wavy boundary. Lab sample # 85P04727. common medium roots; many very fine and fine roots
Bw2b—29 to 44 centimeters (11.4 to 17.3 inches); brown (10YR 4/3) interior silt loam; 1 percent dark yellowish brown (10YR 4/4) fine faint mottles; moderate fine and medium subangular blocky structure; very friable, nonsticky, nonplastic; 5.5 very fine and fine roots and 2.5 medium roots; fragments; slightly acid, pH 6.4, hellige-truog; gradual wavy boundary. Lab sample # 85P04728. common medium roots; many very fine and fine roots; few fine faint 10YR44 mottles
BCb—44 to 74 centimeters (17.3 to 29.1 inches); 70 percent olive brown (2.5Y 4/4) interior and 30 percent dark yellowish brown (10YR 4/4) interior silt loam; weak medium and coarse subangular blocky structure; very friable, nonsticky, nonplastic; 5.5 very fine roots and 2.5 fine and medium roots; fragments; slightly acid, pH 6.4, hellige-truog; gradual wavy boundary. Lab sample # 85P04729. common fine and medium roots; many very fine roots
Cb—74 to 92 centimeters (29.1 to 36.2 inches); olive brown (2.5Y 4/4) interior very fine sandy loam; 1 percent light olive brown (2.5Y 5/4) fine faint and 11 percent gray (5Y 5/1) medium distinct mottles; weak medium and coarse subangular blocky structure; very friable, nonsticky, nonplastic; 0.5 very fine and fine roots; fragments; slightly acid, pH 6.4, hellige-truog; abrupt wavy boundary. Lab sample # 85P04730. few very fine and fine roots; few fine faint 2.5Y54 mottles; common medium distinct 5Y51 mottles
2C1—92 to 125 centimeters (36.2 to 49.2 inches); olive (5Y 5/3) interior fine sand; massive, and structureless single grain; loose, nonsticky, nonplastic; fragments; neutral, pH 6.6, hellige-truog. Lab sample # 85P04731. Horizon divided at 120 cm for sampling purposes.
2C2—125 to 180 centimeters (49.2 to 70.9 inches); olive (5Y 5/3) interior fine sand; massive, and structureless single grain; loose, nonsticky, nonplastic; fragments; neutral, pH 6.6, hellige-truog. Lab sample # 85P04732