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