IDENTIFIERS
Current Taxon Name (Soil Name):
Gianella
OSD
Series Extent
User Site ID:
S2014CA007004
User Pedon ID:
S2014CA007004
Lab Information:
Certified Lab Pedon Description -
yes
Lab Source ID -
KSSL
Lab Pedon # -
14N0515
NCSS Pedon Lab Data NASIS Record ID -
74566
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:
39.5840556
Std. Longitude:
-121.9888333
Datum:
WGS84
Map Unit:
154—Gianella silt loam, 0 to 1 percent slopes, frequently flooded
State:
California
County:
CA007—Butte
MLRA:
17—Sacramento and San Joaquin Valleys
Regional Office:
SW—Southwest
MLRA Soil Survey Area:
SW-CHI—Chico, California
Non-MLRA Soil Survey Area:
CA612—Butte Area, California, Parts of Butte and Plumas Counties
PEDON
Describers Name:
Andrew Conlin
Current Taxonomic Class:
Coarse-loamy, mixed, superactive, thermic Fluventic Haploxerepts
Current Taxon Kind:
taxadjunct
Pedon Type:
not classified to current taxon name
Pedon Purpose:
laboratory sampling site
Pedon Record Orgin:
NASIS
Sampled As Information:
Soil Name -
Gianella
Taxonomic Class -
Coarse-loamy, mixed, superactive, thermic Fluventic Haploxerepts
Taxon Kind -
taxadjunct
PSC -
25 to 100 cm.
Classificaton Date -
4/17/2014
Classifier -
Andrew Conlin
Soil Taxonomic Edition -
eleventh edition
Moisture Class -
xeric
Moisture SUBClass -
typic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
alluvium derived from igneous, metamorphic and sedimentary rock
Landscape:
meander belt on valley
Landform:
meander scroll
Geomorphic Component Terraces:
tread
Slope Shape Across:
linear
Slope Shape Down:
linear
Drainage Class:
well
Flooding:
frequent flooding for brief periods begining in dec
Ponding:
none ponding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
3/20/2014 (actual site observation date)
Data Collector:
Andrew Conlin, Ryan Miebach
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
rangeland, grassland
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
cambic horizon
0—39
39—103
—39—
—64—
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
0
—
—
31
—
533
—
—
17
—
—
—
—
—
—
—
—
—
—
Ap1—0 to 8 centimeters (0.0 to 3.1 inches); light yellowish brown (2.5Y 6/3), dark grayish brown (2.5Y 4/2), moist; silt loam; 17 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; many very fine roots; common very fine irregular and common very fine tubular pores; fragments; noneffervescent, by hcl, unspecified; neutral, pH 6.7, pH indicator solutions; clear smooth boundary. Lab sample # 14N02738; slightly moist when described; observed in trench
Ap2—8 to 22 centimeters (3.1 to 8.7 inches); light yellowish brown (2.5Y 6/3), dark grayish brown (2.5Y 4/2), moist; silt loam; 17 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; common very fine roots; common very fine tubular and common very fine irregular pores; fragments; noneffervescent, by hcl, unspecified; neutral, pH 6.8; gradual smooth boundary. Lab sample # 14N02739, 14N02739; slightly moist when described; observed in trench
A—22 to 39 centimeters (8.7 to 15.4 inches); light yellowish brown (2.5Y 6/3), dark grayish brown (2.5Y 4/2), moist; silt loam; 17 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; common very fine roots; many very fine tubular and common very fine irregular and few fine tubular pores; fragments; noneffervescent, by hcl, unspecified; neutral, pH 7.0; clear smooth boundary. Lab sample # 14N02740; slightly moist when described; observed in trench
Bw1—39 to 58 centimeters (15.4 to 22.8 inches); light yellowish brown (2.5Y 6/3), olive brown (2.5Y 4/3), moist; silt loam; 16 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; common very fine roots; common very fine tubular and common very fine irregular and few fine tubular pores; fragments; noneffervescent, by hcl, unspecified; neutral, pH 7.2; clear smooth boundary. Lab sample # 14N02741; slightly dry when described; observed in trench
Bw2—58 to 82 centimeters (22.8 to 32.3 inches); light yellowish brown (2.5Y 6/3), olive brown (2.5Y 4/3), moist; silt loam; 14 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; soft, friable, slightly sticky, slightly plastic; few very fine roots; common very fine irregular and many very fine tubular and common medium tubular and common fine tubular pores; fragments; noneffervescent, by hcl, unspecified; neutral, pH 7.2; clear smooth boundary. Lab sample # 14N02742; dry when described; observed in trench
Bw3—82 to 103 centimeters (32.3 to 40.6 inches); light yellowish brown (2.5Y 6/3), olive brown (2.5Y 4/3), moist; very fine sandy loam; 12 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; soft, very friable, slightly sticky, nonplastic; common very fine roots; many very fine tubular and common medium tubular and common fine tubular pores; fragments; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.5; abrupt smooth boundary. Lab sample # 14N02743; dry when described; observed in trench
C1—103 to 139 centimeters (40.6 to 54.7 inches); light gray (2.5Y 7/2), dark grayish brown (2.5Y 4/2), moist; loamy fine sand; 2 percent clay; structureless single grain; loose, loose, nonsticky, nonplastic; common very fine roots; many very fine interstitial pores; fragments; 150 ml of compliant cavity volume; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # 14N02744; dry when described; observed in trench
B'w4—139 to 159 centimeters (54.7 to 62.6 inches); pale yellow (2.5Y 7/3), light olive brown (2.5Y 5/3), moist; fine sandy loam; 4 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; few very fine roots; many very fine interstitial and common very fine tubular pores; fragments; 170 ml of compliant cavity volume; noneffervescent, by hcl, unspecified; moderately alkaline, pH 8.0; abrupt smooth boundary. Lab sample # 14N02745; dry when described; observed in trench
C'2—159 to 170 centimeters (62.6 to 66.9 inches); light brownish gray (10YR 6/2), dark grayish brown (2.5Y 4/2), moist; loamy fine sand; 2 percent clay; structureless single grain; loose, loose, nonsticky, nonplastic; common very fine roots; many very fine interstitial pores; fragments; 100 ml of compliant cavity volume; noneffervescent, by hcl, unspecified; slightly alkaline, pH 7.8; abrupt smooth boundary. Lab sample # 14N02746; dry when described; observed in trench
C'3—170 to 190 centimeters (66.9 to 74.8 inches); light gray (10YR 7/2), grayish brown (10YR 5/2), moist; sand; structureless single grain; loose, loose, nonsticky, nonplastic; very few very fine roots; many very fine interstitial pores; 2 percent by volume nonflat subrounded indurated 2-4-10 millimeter quartzite fragments observed by visual inspection method; 250 ml of compliant cavity volume; noneffervescent, by hcl, unspecified; neutral, pH 6.8; abrupt smooth boundary. Lab sample # 14N02747; slightly dry when described; observed in trench
C'4—190 to 200 centimeters (74.8 to 78.7 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; loamy fine sand; 3 percent clay; structureless single grain; loose, loose, nonsticky, nonplastic; very few very fine roots; many very fine interstitial pores; fragments; 190 ml of compliant cavity volume; noneffervescent, by hcl, unspecified; moderately alkaline, pH 8.0. Lab sample # 14N02748; slightly moist when described; observed in trench