IDENTIFIERS

  • Current Taxon Name (Soil Name): Diablo
  • OSD
  • Series Extent
  • User Site ID: 93CA079001D
  • User Pedon ID: 93CA079001D
  • Vegetation Plot ID: 93CA079001D
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0665
  • NCSS Pedon Lab Data NASIS Record ID - 66008
  • Print Date: 12/17/2024

    • 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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    A1—0 to 4 centimeters (0.0 to 1.6 inches); very dark grayish brown (2.5Y 3/2); moderate medium angular blocky structure; friable, very sticky, slightly plastic; 10.0 very fine roots; 3.0 fine tubular pores; fragments; abrupt smooth boundary. Lab sample # 93P4636. pit includes chimney of calcareous C type material rising to within 25 cm of surface.
    Bw—4 to 16 centimeters (1.6 to 6.3 inches); very dark grayish brown (2.5Y 3/2); moderate medium angular blocky structure; friable, very sticky, very plastic; 10.0 very fine roots; 0.5 fine tubular pores; fragments; clear wavy boundary. Lab sample # 93P4637
    Bss—16 to 56 centimeters (6.3 to 22.0 inches); very dark grayish brown (2.5Y 3/2) and dark grayish brown (2.5Y 4/2); moderate coarse prismatic parts to weak medium angular blocky structure; friable, very sticky, very plastic; 3.0 very fine roots throughout; 0.5 fine tubular pores; 37 percent distinct pressure faces and 37 percent slickensides (pedogenic); fragments; strong effervescence; clear wavy boundary. Lab sample # 93P4638. patchy effervesence in lower part.; discontinuous - phpvsfiid 108109; discontinuous - phpvsfiid 108109
    BCkss—56 to 98 centimeters (22.0 to 38.6 inches); dark grayish brown (2.5Y 4/2) and very dark grayish brown (2.5Y 3/2); weak coarse prismatic structure; very firm, very sticky, very plastic; 0.5 very fine roots; 0.5 fine tubular pores; 37 percent distinct pressure faces and 37 percent slickensides (pedogenic); fragments; slight effervescence. Lab sample # 93P4639. discontinuous - phpvsfiid 108111; discontinuous - phpvsfiid 108111