IDENTIFIERS

  • Current Taxon Name (Soil Name): Los Osos
  • OSD
  • Series Extent
  • User Site ID: S1977CA079004
  • User Pedon ID: 77CA079004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 80P0065
  • NCSS Pedon Lab Data NASIS Record ID - 47295
  • Print Date: 6/2/2024

    • 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: 35.3088570
  • Std. Longitude: -120.6512527
  • Datum: WGS84
  • Township: 30S
  • Range: 12E
  • Section: 23
  • PLSS Details: 730 meters W and 548 meters S of the NE corner
  • Location Description: On the Cal-Poly Uni. Campus.
  • State: California
  • County: CA079—San Luis Obispo
  • MLRA: 15—Central California Coast Range

    • PEDON

  • Describers Name: DJE/LCL/RWK
  • Current Taxonomic Class: Fine, smectitic, thermic Typic Argixerolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Los Osos
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Los Osos
  • Classificaton Date - 11/1/1977
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1977 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    35

    —

    —

    120

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    —

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    1A1—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 5/3) interior, very dark grayish brown (10YR 3/2) interior, moist; loam; weak fine subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 2.5 very fine roots; 0.5 very fine tubular pores; 55 percent clay films on faces of peds and 55 percent clay films in root channels and/or pores; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 80P00290. many clay films surface features on faces of peds; many clay films surface features in root channels and/or pores; common very fine roots
    1B2t—20 to 36 centimeters (7.9 to 14.2 inches); yellowish brown (10YR 5/4) interior, dark yellowish brown (10YR 4/4) interior, moist; clay; weak medium prismatic structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine tubular pores; 55 percent clay films on faces of peds and 55 percent clay films in root channels and/or pores; fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 80P00291. many clay films surface features on faces of peds; many clay films surface features in root channels and/or pores; few very fine roots
    1B3t—36 to 58 centimeters (14.2 to 22.8 inches); light yellowish brown (10YR 6/4) interior, dark yellowish brown (10YR 4/4) interior, moist; clay loam; massive; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine tubular pores; 15 percent slickensides (pedogenic) and 55 percent clay films in root channels and/or pores; 1 percent iron-manganese concretions; fragments; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # 80P00292. few iron-manganese concretions concentrations; many clay films surface features in root channels and/or pores; few intersecting slickensides surface features; few very fine roots
    1C1—58 to 69 centimeters (22.8 to 27.2 inches); pale yellow (2.5Y 7/4) interior, light olive brown (2.5Y 5/4) interior, moist; sandy loam; massive; hard, friable, nonsticky, nonplastic; 15 percent manganese or iron-manganese stains; fragments; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 80P00293. few manganese or iron-manganese stains surface features
    1C2r—69 to 109 centimeters (27.2 to 42.9 inches); yellowish brown (10YR 5/4) interior, brown (10YR 4/3) interior, moist; weathered bedrock; fragments. Many moderately thick clay films and few manganese stains coat fracture faces that are less than 10 cm apart and less that 1 mm wide.