IDENTIFIERS
Current Taxon Name (Soil Name):
Spodic Dystrocryepts
OSD
Series Extent
User Site ID:
S2006AK002012
User Pedon ID:
S2006AK002012
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
07N0170
NCSS Pedon Lab Data NASIS Record ID -
18740
Print Date:
1/10/2025
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:
62.6288872
Std. Longitude:
-150.7741699
Datum:
WGS84
Location Description:
Tokositna-SNOTEL
State:
Alaska
County:
AK170—Matanuska-Susitna Borough
MLRA:
224—Cook Inlet Lowlands
PEDON
Current Taxonomic Class:
Coarse-loamy over sandy or sandy-skeletal Spodic Dystrocryepts
Pedon Purpose:
full pedon description
Pedon Record Orgin:
PedonPC
Pedon #:
12
Sampled As Information:
Soil Name -
Spodic Dystrocryepts
Taxonomic Class -
Coarse-loamy over sandy or sandy-skeletal Spodic Dystrocryepts
Classificaton Date -
7/23/2007
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landform:
mid alluvial fan
Slope Shape Across:
linear
Slope Shape Down:
linear
Flooding:
rare flooding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
7/23/2007 (actual site observation date)
Plant Association Name:
Tall alder scrub
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
spodic horizon
5—8
8—15
—-
—-
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
—
—
—
—
40
—
—
—
—
—
—
—
—
—
—
—
1089
Tokositna Valley
SNOTEL
Oi—0 to 5 centimeters (0.0 to 2.0 inches); dark reddish brown (5YR 3/3) slightly decomposed plant material; subangular blocky structure; nonsticky, nonplastic; 30.0 very fine and fine roots and 50.0 medium roots and 2.0 coarse roots; 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments; noneffervescent; extremely acid, pH 4.2; abrupt smooth boundary. Lab sample # 07N01062
AE—5 to 8 centimeters (2.0 to 3.1 inches); 60 percent dark brown (7.5YR 3/2) silt loam; moderate fine granular structure; very friable, nonsticky, nonplastic; 20.0 very fine and fine roots and 2.0 medium roots and 1.0 coarse roots; 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments and 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments; noneffervescent; extremely acid, pH 3.8; abrupt wavy boundary. Lab sample # 07N01063
Bs—8 to 15 centimeters (3.1 to 5.9 inches); dark reddish brown (2.5YR 2.5/3) silt loam; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; 5.0 very fine and fine roots and 1.0 medium roots and 0.0 coarse roots; 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments; noneffervescent; extremely acid, pH 4.0; clear wavy boundary. Lab sample # 07N01064
2BC—15 to 31 centimeters (5.9 to 12.2 inches); brown (10YR 4/3) stratified stratified sand to silt; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; 2.0 very fine and fine roots and 0.0 medium roots and 0.0 coarse roots; 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments; noneffervescent; extremely acid, pH 4.4; clear wavy boundary. Lab sample # 07N01065
3BC—31 to 58 centimeters (12.2 to 22.8 inches); brown (10YR 4/3) extremely cobbly loamy sand; loose, nonsticky, nonplastic; 0.0 very fine and fine roots and 0.0 medium roots and 0.0 coarse roots; 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments and 25 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 40 percent by volume nonflat 2-?-76 millimeter unspecified fragments; noneffervescent; very strongly acid, pH 4.6; gradual smooth boundary. Lab sample # 07N01066
3C—58 to 152 centimeters (22.8 to 59.8 inches); very dark grayish brown (10YR 3/2) extremely cobbly coarse sand; loose, nonsticky, nonplastic; 0.0 very fine and fine roots and 0.0 medium roots and 0.0 coarse roots; 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments and 20 percent by volume nonflat 76-?-250 millimeter mixed fragments and 50 percent by volume nonflat 2-?-76 millimeter mixed fragments; noneffervescent; very strongly acid, pH 4.6. Lab sample # 07N01067