IDENTIFIERS

  • Current Taxon Name (Soil Name): Diablo
  • OSD
  • Series Extent
  • User Site ID: 93CA079001C
  • User Pedon ID: 93CA079001C
  • Vegetation Plot ID: 93CA079001C
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0664
  • NCSS Pedon Lab Data NASIS Record ID - 66007
  • Print Date: 5/20/2024

    • 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: 35.3443056
  • Std. Longitude: -120.7421389
  • Datum: WGS84
  • Location Description: Approximately 1/2 mile NW of County Environmental Education Center.
  • State: California
  • County: CA079—San Luis Obispo
  • MLRA: 15—Central California Coast Range

    • PEDON

  • Describers Name: Whited, Oster, Southard, and Foster
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Diablo
  • Classificaton Date - 5/10/1993
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: foothills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: moderate weathered shale, calcareous with <10
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/10/1993 (actual site observation date)
  • Air Photo ID: 9
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BRDI2

    LOLIU

    STPU2

    Brachypodium distachyon

    Lolium

    Stipa pulchra

    purple false brome

    ryegrass

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

    mollic epipedon

    0—69

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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

    11

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    315

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    A—0 to 6 centimeters (0.0 to 2.4 inches); very dark gray (10YR 3/1); strong fine and medium angular blocky structure; firm, very sticky, very plastic; 10.0 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine high-continuity tubular pores; fragments; abrupt smooth boundary. Lab sample # 93P4632
    Bw1—6 to 22 centimeters (2.4 to 8.7 inches); very dark gray (10YR 3/1); weak medium prismatic parts to moderate medium angular blocky structure; firm, very sticky, very plastic; 3.0 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine high-continuity tubular pores; 15 percent faint pressure faces; fragments; clear smooth boundary. Lab sample # 93P4633. discontinuous - phpvsfiid 108095; discontinuous - phpvsfiid 108095
    Bw2—22 to 68 centimeters (8.7 to 26.8 inches); very dark gray (10YR 3/1); moderate coarse prismatic structure; firm, very sticky, very plastic; 3.0 very fine roots throughout; 3.0 very fine high-continuity tubular pores; 37 percent faint pressure faces; fragments; clear wavy boundary. Lab sample # 93P4634. discontinuous - phpvsfiid 108096; discontinuous - phpvsfiid 108096
    BCkss—68 to 110 centimeters (26.8 to 43.3 inches); 90 percent very dark grayish brown (2.5Y 3/2) and 10 percent very dark gray (10YR 3/1); massive; very firm, very sticky, very plastic; 0.5 very fine roots throughout; 3.0 very fine high-continuity tubular pores; 37 percent distinct slickensides (pedogenic) and 37 percent distinct pressure faces; 1 percent spherical lime masses; fragments; slight effervescence; clear wavy boundary. Lab sample # 93P4635. continuous - phpvsfiid 108098; discontinuous - phpvsfiid 108097; continuous - phpvsfiid 108098; discontinuous - phpvsfiid 108097
    C—110 to 125 centimeters (43.3 to 49.2 inches); olive brown (2.5Y 4/3) and very dark gray (10YR 3/1); massive; very firm, very sticky, very plastic; 0.5 very fine moderate-continuity tubular pores; fragments; slight effervescence. not sampled.