IDENTIFIERS

  • Current Taxon Name (Soil Name): Columbia
  • OSD
  • Series Extent
  • User Site ID: S2013CA077029
  • User Pedon ID: S2013CA077029
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 15N0339
  • NCSS Pedon Lab Data NASIS Record ID - 79553
  • Print Date: 1/31/2025

    • 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: 38.1762444
  • Std. Longitude: -121.1658806
  • Datum: WGS84
  • Country: US—United States
  • State: California
  • County: CA077—San Joaquin
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Non-MLRA Soil Survey Area: CA077—San Joaquin County, California

    • PEDON

  • Describers Name: William Reed
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, nonacid, thermic Oxyaquic Xerofluvents
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - Columbia
  • Taxonomic Class - Coarse-loamy, mixed, superactive, nonacid, thermic Oxyaquic Xerofluvents
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 12/11/2014
  • Classifier - Phil Smith
  • Soil Taxonomic Edition - twelfth edition
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


    • SITE

  • Parent Material: alluvium
  • Landscape: valley
  • Landform: flood plain
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/23/2013 (actual site observation date)
  • Data Collector: William Reed
  • 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

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    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

    1

    —

    —

    —

    —

    40

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    —

    —

    —

    —

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    Ap1—0 to 6 centimeters (0.0 to 2.4 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; fine sandy loam; 10 percent clay; moderate fine subangular blocky structure; soft, very friable, nonsticky, slightly plastic; moderately few (5.0) very fine roots throughout; many (30.0) very fine irregular pores; fragments; strongly acid, pH 5.5; abrupt smooth boundary. Lab sample # 15N01853; observed in trench
    Ap2—6 to 26 centimeters (2.4 to 10.2 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; fine sandy loam; 10 percent clay; massive; hard, friable, slightly sticky, slightly plastic; few (0.1) very fine roots throughout; many (5.0) very fine irregular pores; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # 15N01854; observed in trench
    A—26 to 39 centimeters (10.2 to 15.4 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; fine sandy loam; 9 percent clay; moderate fine subangular blocky structure; soft, very friable, nonsticky, slightly plastic; few (0.1) very fine roots throughout; common (3.0) very fine irregular and common (3.0) fine tubular pores; fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # 15N01855; observed in trench
    C1—39 to 60 centimeters (15.4 to 23.6 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; stratified stratified very fine sandy loam; 8 percent clay; moderate fine angular blocky structure; soft, very friable, nonsticky, slightly plastic; common (5.0) very fine irregular and few (0.1) fine tubular pores; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # 15N01856; observed in trench
    C2—60 to 96 centimeters (23.6 to 37.8 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; very fine sandy loam; 7 percent clay; moderate fine angular blocky structure; soft, very friable, nonsticky, slightly plastic; common (1.0) very fine tubular pores; 2 percent brown (10YR 5/3), dry, and yellowish brown (10YR 5/4), moist,; fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # 15N01857; observed in trench
    2Ab—96 to 132 centimeters (37.8 to 52.0 inches); very dark grayish brown (10YR 3/2), yellowish brown (10YR 5/4), dry; silt loam; 7 percent clay; moderate fine subangular blocky structure; soft, very friable, nonsticky, slightly plastic; few (0.1) very fine irregular pores; 30 percent brown (10YR 5/3), dry, and yellowish brown (10YR 5/4), moist,; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # 15N01858; observed in trench
    C3—132 to 155 centimeters (52.0 to 61.0 inches); brown (10YR 4/3), yellowish brown (10YR 5/4), dry; silt loam; 7 percent clay; moderate fine angular blocky structure; soft, very friable, nonsticky, slightly plastic; few (0.1) very fine irregular pores; 10 percent dark gray (10YR 4/1), moist, and gray (10YR 5/1), dry,; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # 15N01859; observed in trench
    C4—155 to 200 centimeters (61.0 to 78.7 inches); brown (10YR 5/3), brown (10YR 4/3), dry; silt loam; weak fine angular blocky structure; soft, very friable, nonsticky, slightly plastic; few (0.1) very fine irregular pores; 20 percent dark yellowish brown (10YR 4/4), moist, and 20 percent grayish brown (10YR 5/2), moist,; fragments. Lab sample # 15N01860; observed in trench