IDENTIFIERS

  • Current Taxon Name (Soil Name): Topdeck
  • OSD
  • Series Extent
  • User Site ID: CA03688SC40
  • User Pedon ID: S2004CA083007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 05N0107
  • NCSS Pedon Lab Data NASIS Record ID - 17023
  • Print Date: 11/24/2024
  • 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: 33.9900017
  • Std. Longitude: -119.6803360
  • Datum: WGS84
  • Map Unit: 271—Topdeck-Spinnaker-Tongva complex 30 to 75 percent slopes
  • Country: US—United States
  • State: California
  • County: CA083—Santa Barbara
  • MLRA: 20—Southern California Mountains
  • Non-MLRA Soil Survey Area: CA688—Channel Islands Area, California, Parts of Santa Barbara and Los Angeles Counties
  • PEDON

  • Describers Name: MB
  • Current Taxonomic Class: Loamy, mixed, superactive, thermic Lithic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 7
  • Correlated Information:
  • Soil Name - Topdeck
  • PSC - 16 to 45 cm.
  • Classificaton Date - 9/1/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Topdeck
  • Classificaton Date - 8/12/2003
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: residuum
  • Landscape: island
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent moderate weathered andesite at 45cm with 10 to <45
  • Surface Fragments: 20.00 percent 2- to 75-millimeter 1.00 percent 250- to 600-millimeter 10.00 percent 75- to 250-millimeter
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/12/2003 (actual site observation date)
  • Air Photo ID: e
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

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

    argillic horizon

    lithic contact

    mollic epipedon

    —-

    —-

    —-

    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

    50

    140

    210

    457

    340

    16.5

    13.3

    17.5

    Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; fragments; abrupt wavy boundary.
    A—1 to 16 centimeters (0.4 to 6.3 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; gravelly loam; 40 percent sand; 10 percent clay; strong fine subangular blocky structure; soft, very friable, nonsticky, slightly plastic; 5 percent by volume 75-?-250 millimeter unspecified fragments and 10 percent by volume 2-?-75 millimeter unspecified fragments; neutral, pH 7.2, phenol red; clear wavy boundary.
    Bt1—16 to 30 centimeters (6.3 to 11.8 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; gravelly loam; 35 percent sand; 25 percent clay; strong fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 1 percent by volume 75-?-250 millimeter unspecified fragments and 20 percent by volume 2-?-75 millimeter unspecified fragments; slightly alkaline, pH 7.4, phenol red; clear wavy boundary. Lab sample # 05N00494
    Bt2—30 to 45 centimeters (11.8 to 17.7 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; gravelly clay loam; 30 percent sand; 38 percent clay; strong fine subangular blocky structure; moderately hard, very friable, slightly sticky, moderately plastic; 30 percent by volume 2-?-75 millimeter unspecified fragments; slightly alkaline, pH 7.4, phenol red; abrupt smooth boundary. Lab sample # 05N00494
    R—45 to 46 centimeters (17.7 to 18.1 inches); bedrock; fragments.