IDENTIFIERS
Current Taxon Name (Soil Name):
Atate
OSD
Series Extent
User Site ID:
83GQ066011
User Pedon ID:
83GQ066011
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
84P0218
NCSS Pedon Lab Data NASIS Record ID -
53912
Print Date:
11/26/2024
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:
13.3902779
Std. Longitude:
144.7194519
Datum:
WGS84
Location Description:
Guam Cotal conservation area along road to Tarzan Falls trailhead about halfway from highway on E side of Rd.
State:
Guam
MLRA:
181—Arctic Foothills
PEDON
Describers Name:
F. J. Young and J. L. Demeterio
Current Taxonomic Class:
Very-fine, sesquic, isohyperthermic Vertic Haplustalfs
Current Taxon Kind:
series
Pedon Type:
OSD pedon
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
11
Correlated Information:
Soil Name -
Atate
Classificaton Date -
2/1/2010
Moisture Class -
ustic
Sampled As Information:
Soil Name -
Atate
Taxonomic Class -
Fine, kaolinitic, isohyperthermic Tropeptic Eutrus
Taxon Kind -
series
Classificaton Date -
10/1/1983
Moisture Class -
ustic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Landform:
upland slope
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/1/1983 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
tree cover
Site Obs. Cover Kind 2 -
hardwoods
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
oxic horizon
30—140
—-
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
—
—
—
165
—
260
—
—
—
—
—
—
—
—
—
—
—
—
—
1A1—0 to 13 centimeters (0.0 to 5.1 inches); dark reddish brown (5YR 3/3) interior silty clay loam; moderate very fine granular, and moderate very fine subangular blocky structure; friable, moderately sticky, moderately plastic; 5.0 very fine and fine roots and 0.5 medium and coarse roots; 5.5 very fine and fine interstitial and tubular pores; fragments; clear smooth boundary. Lab sample # 84P01138. common to many very fine and fine roots; few medium and coarse roots
1A2—13 to 30 centimeters (5.1 to 11.8 inches); dark reddish brown (5YR 3/4) interior silty clay; weak medium subangular blocky, and moderate very fine subangular blocky, and weak fine platy structure; friable, moderately sticky, moderately plastic; 2.5 very fine roots and 0.5 fine roots; 5.5 very fine tubular and 0.5 fine tubular pores; , moist, pressure faces on bottoms of plates; fragments; diffuse smooth boundary. Lab sample # 84P01139. common very fine roots; few fine roots
1Bo1—30 to 55 centimeters (11.8 to 21.7 inches); yellowish red (5YR 4/6) interior silty clay; moderate very fine subangular blocky structure; friable, moderately sticky, moderately plastic; 2.5 very fine roots and 0.5 fine roots; 5.5 very fine tubular and 0.5 fine tubular pores; , moist, pressure faces on faces of peds; fragments; gradual smooth boundary. Lab sample # 84P01140. common very fine roots; few fine roots
1Bo2—55 to 90 centimeters (21.7 to 35.4 inches); dark red (2.5YR 3/6) interior silty clay; moderate very fine subangular blocky structure; friable, moderately sticky, moderately plastic; 2.5 very fine roots and 0.5 fine roots; 5.5 very fine tubular and 0.5 fine tubular pores; , moist, pressure faces on faces of peds; fragments; diffuse smooth boundary. Lab sample # 84P01141. common very fine roots; few fine roots
1Bo3—90 to 110 centimeters (35.4 to 43.3 inches); dark red (2.5YR 3/6) interior silty clay; moderate very fine subangular blocky structure; friable, moderately sticky, moderately plastic; 2.5 very fine roots; 5.5 very fine tubular and 0.5 fine tubular pores; , moist, pressure faces on faces of peds; fragments; diffuse smooth boundary. Lab sample # 84P01142. Less than 1% saprolitic flecks irregularly distributed.; common very fine roots
1Bw—110 to 140 centimeters (43.3 to 55.1 inches); dark red (2.5YR 3/6) interior silty clay; weak very fine subangular blocky structure; friable, moderately sticky, moderately plastic; 0.5 very fine roots; 5.5 very fine tubular and 0.5 fine tubular pores; , moist, pressure faces on vertical faces of peds; fragments; abrupt smooth boundary. Lab sample # 84P01143. About 5% saprolitic sand sized flecks.; few very fine roots
1C—140 to 165 centimeters (55.1 to 65.0 inches); dark red (10R 3/6) interior and weak red (10R 4/4) interior and red (10R 4/6) interior silty clay; weak very fine subangular blocky, and structureless massive; very friable, moderately sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine tubular pores; fragments. Lab sample # 84P01144. About 30% each remainder is yellowish red 5YR 4/6 and dark brown 7.5YR 4/6 colors in patches 3 to 5 cm in diameter. Many sand sized saprolitic flecks. Few black irregular stains possibly manganese.; few very fine roots