IDENTIFIERS

  • Current Taxon Name (Soil Name): LOS OSOS
  • OSD
  • Series Extent
  • User Site ID: S1973CA079007
  • User Pedon ID: S1973CA079007
  • Vegetation Plot ID: S1973CA079007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 73C0035
  • NCSS Pedon Lab Data NASIS Record ID - 44669
  • Print Date: 11/13/2024

    • 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: 35.5027771
  • Std. Longitude: -120.5027771
  • Datum: WGS84
  • Location Description: San Luis Obispo County, California - Coastal Part; Cal Poly University.
  • State: California
  • County: CA079—San Luis Obispo
  • MLRA: 14—Central California Coastal Valleys
  • Non-MLRA Soil Survey Area: CA664—San Luis Obispo County, California, Coastal Part

    • PEDON

  • Current Taxonomic Class: Fine, smectitic Typic Argixerolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - LOS OSOS
  • PSC - 36 to 81 cm.
  • Classificaton Date - 4/10/2002
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Los Osos
  • Classificaton Date - 6/1/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: moderately steep upland
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1973 (actual site observation date)
  • Air Photo ID: 2KK-141
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ALOPE

    AVFA

    BRASS2

    ERODI

    HORDE

    MEHI

    Alopecurus

    Avena fatua

    Brassica

    Erodium

    Hordeum

    Medicago hispida

    foxtail

    wild oat

    mustard

    stork's bill

    barley

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    lithic contact

    99—119

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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

    20

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    225

    559

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    A1—0 to 36 centimeters (0.0 to 14.2 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; loam; 49 percent sand; 30 percent silt; 21 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots; 21.0 medium tubular and 0.1 fine tubular pores; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # 73C00232; observed in pit, small
    B2T—36 to 61 centimeters (14.2 to 24.0 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; clay; 35 percent sand; 23 percent silt; 42 percent clay; weak medium prismatic structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots and 0.5 medium roots; 0.1 very fine tubular and 21.0 medium tubular pores; 10 percent slickensides (pedogenic) and 75 percent clay films on all faces of peds and 75 percent clay films on surfaces along pores; fragments; moderately acid, pH 6.0; gradual wavy boundary. Lab sample # 73C00233; observed in pit, small
    B3T—61 to 81 centimeters (24.0 to 31.9 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; clay loam; 40 percent sand; 25 percent silt; 35 percent clay; massive; very hard, very firm, moderately sticky, moderately plastic; 0.1 medium roots; 3.0 medium tubular pores; 10 percent slickensides (pedogenic) and 75 percent clay films on surfaces along pores and 75 percent clay films on all faces of peds; 1 percent manganese masses; fragments; slightly acid, pH 6.5; gradual wavy boundary. Lab sample # 73C00234; observed in pit, small
    C—81 to 99 centimeters (31.9 to 39.0 inches); pale yellow (2.5Y 7/4), light olive brown (2.5Y 5/4), moist; sandy loam; hard, friable, nonsticky, nonplastic; 10 percent clay films on vertical faces of peds; 1 percent manganese coatings in cracks; fragments; neutral, pH 7.0; gradual wavy boundary. Lab sample # 73C00235; observed in pit, small
    R1—99 to 119 centimeters (39.0 to 46.9 inches); bedrock; 10 percent clay films on vertical faces of peds; 1 percent manganese coatings in cracks; fragments. Lab sample # 73C00236; observed in pit, small