IDENTIFIERS

  • Current Taxon Name (Soil Name): Diablo
  • OSD
  • Series Extent
  • User Site ID: 93CA079001B
  • User Pedon ID: 93CA079001B
  • Vegetation Plot ID: 93CA079001B
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0663
  • NCSS Pedon Lab Data NASIS Record ID - 66006
  • Print Date: 6/1/2024

    • 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 5 centimeters (0.0 to 2.0 inches); black (10YR 2/1); 32 percent clay; strong fine and medium subangular blocky structure; friable, moderately sticky, moderately plastic; 10.0 very fine roots; 3.0 very fine tubular pores; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 93P4628
    A2—5 to 19 centimeters (2.0 to 7.5 inches); black (10YR 2/1); 36 percent clay; moderate medium angular blocky structure; friable, very sticky, moderately plastic; 3.0 very fine roots; 3.0 very fine tubular pores; fragments; noneffervescent; clear smooth boundary. Lab sample # 93P4629
    Bw—19 to 61 centimeters (7.5 to 24.0 inches); very dark gray (10YR 3/1); 50 percent clay; moderate medium prismatic structure; friable, very sticky, very plastic; 3.0 very fine roots; 3.0 very fine tubular pores; 55 percent distinct pressure faces; fragments; noneffervescent; clear wavy boundary. Lab sample # 93P4630
    Bss—61 to 95 centimeters (24.0 to 37.4 inches); very dark grayish brown (10YR 3/2) and very dark gray (10YR 3/1); moderate medium prismatic structure; firm, very sticky, very plastic; 0.5 very fine roots; 3.0 very fine tubular pores; distinct pressure faces and 37 percent slickensides (pedogenic); fragments; noneffervescent; clear wavy boundary. Lab sample # 93P4631. continuous - phpvsfiid 108104; discontinuous - phpvsfiid 108105; continuous - phpvsfiid 108104; discontinuous - phpvsfiid 108105
    Bk—95 to 129 centimeters (37.4 to 50.8 inches); very dark grayish brown (10YR 3/2); massive; firm, very sticky, very plastic; 0.5 very fine tubular pores; distinct very dark gray (10YR 3/1) pressure faces on faces of peds and in pores and 37 percent distinct slickensides (pedogenic); fragments; strong effervescence. not sampled.; continuous - phpvsfiid 108106; discontinuous - phpvsfiid 108107; continuous - phpvsfiid 108106; discontinuous - phpvsfiid 108107