IDENTIFIERS

  • Current Taxon Name (Soil Name): Halyard
  • OSD
  • Series Extent
  • User Site ID: CA03688SC039
  • User Pedon ID: CA03688SC039
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 05N0103
  • NCSS Pedon Lab Data NASIS Record ID - 17019
  • Print Date: 11/11/2024

    • 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: 33.9996389
  • Std. Longitude: -119.7261389
  • Datum: WGS84
  • Map Unit: 150—Halyard-Topdeck-Tongva complex, 15 to 75 percent slopes
  • 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: MEB
  • Current Taxonomic Class: Fine, smectitic, thermic Pachic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 391
  • Correlated Information:
  • Soil Name - Halyard
  • PSC - 32 to 82 cm.
  • Classificaton Date - 7/25/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Halyard
  • Classificaton Date - 9/16/2003
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from volcanic rock and/or residuum weathered from basalt
  • Landscape: island
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Geomorphic Component Mountains: mountainflank, center third
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent moderate weathered volcanic breccia, unspecified at 95cm with <10
  • Geology: Sc Volcanics formation.
  • Surface Fragments: 30.00 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: 9/16/2003 (actual site observation date)
  • Air Photo ID: f
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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, paralithic

    moderately coherent

    95 - 100

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

    mollic epipedon

    argillic horizon

    4—95

    32—95

    —-

    —-
    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

    60

    —

    —

    100

    —

    185

    457

    —

    340

    16.5

    —

    13.3

    17.5

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 4 centimeters (0.0 to 1.6 inches); dark grayish brown (10YR 4/2) broken face, black (10YR 2/1) broken face, moist; slightly decomposed plant material; fragments, by hcl, 1n; abrupt wavy boundary. Lab sample # 05N00477; observed in pit, large or quarry
    A—4 to 32 centimeters (1.6 to 12.6 inches); dark grayish brown (10YR 4/2) broken face, very dark brown (10YR 2/2) broken face, moist; gravelly clay loam; 38 percent clay; strong medium granular, and moderate coarse subangular blocky, and moderate medium subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; 15 percent by volume 2-?-75 millimeter volcanic, unspecified fragments, by hcl, 1n; slightly alkaline, pH 7.4, phenol red; clear wavy boundary. Lab sample # 05N00478; observed in pit, large or quarry
    Bt1—32 to 55 centimeters (12.6 to 21.7 inches); dark grayish brown (10YR 4/2) broken face, very dark brown (10YR 2/2) broken face, moist; gravelly clay; 45 percent clay; very firm, moderately sticky, moderately plastic; distinct clay films on all faces of peds and distinct clay films on rock fragments; 1 percent by volume 75-?-250 millimeter volcanic, unspecified fragments and 15 percent by volume 2-?-75 millimeter volcanic, unspecified fragments, by hcl, 1n; slightly alkaline, pH 7.4, phenol red; clear wavy boundary. Lab sample # 05N00479; observed in pit, large or quarry. continuous - phpvsfiid 279016; continuous - phpvsfiid 279017; continuous - phpvsfiid 279016; continuous - phpvsfiid 279017
    Bt2—55 to 95 centimeters (21.7 to 37.4 inches); dark brown (10YR 3/3) broken face, very dark brown (7.5YR 2.5/3) broken face, moist; clay; 50 percent clay; very firm, moderately sticky, moderately plastic; prominent clay films on all faces of peds; 1 percent by volume 75-?-250 millimeter volcanic, unspecified fragments and 10 percent by volume 2-?-75 millimeter volcanic, unspecified fragments, by hcl, 1n; slightly alkaline, pH 7.4, phenol red; abrupt wavy boundary. Lab sample # 05N00480; observed in pit, large or quarry. continuous - phpvsfiid 279018; continuous - phpvsfiid 279018
    Cr—95 to 100 centimeters (37.4 to 39.4 inches); fragments, by hcl, 1n.; observed in pit, large or quarry