IDENTIFIERS

  • Current Taxon Name (Soil Name): Typic Argixerolls
  • OSD
  • Series Extent
  • User Site ID: S2008CA605046
  • User Pedon ID: S08CA023010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0454
  • NCSS Pedon Lab Data NASIS Record ID - 24057
  • Print Date: 11/21/2024
  • 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: 40.6450005
  • Std. Longitude: -123.9241104
  • Datum: WGS84
  • Township: 3N
  • Range: 2E
  • Section: 14
  • Location Description: Fredrickson Ranch; south of Kneeland
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4—California Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA600—Humboldt County, Central Part, California
  • 7.5 Minute USGS Quad: 40123-F8—Iaqua Buttes, California
  • PEDON

  • Describers Name: Joe Seney
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Typic Argixerolls
  • Current Taxon Kind: family
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Pedon #: 845
  • Sampled As Information:
  • Soil Name - Typic Argixerolls
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Typic Argixerolls
  • PSC - 40 to 90 cm.
  • Classificaton Date - 4/30/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium derived from chert and/or residuum weathered from chert
  • Landscape: mountains
  • Landform: ridge
  • Geomorphic Component Mountains: mountaintop
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: chert
  • Geology: Franciscan Melange formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/30/2008 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—40

    40—90

    —40—

    —50—

    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

    12

    791

    90

    1800

    200

    A1—0 to 17 centimeters (0.0 to 6.7 inches); grayish brown (10YR 5/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; clay loam; 27 percent clay; weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; moderately slow permeability; 3 percent by volume nonflat subangular strongly coherent cemented 2-38-75 millimeter chert fragments; noneffervescent; strongly acid, pH 5.2, pH indicator strip; clear wavy boundary. Lab sample # 08N02957; moist when described; observed in cut, beveled
    A2—17 to 40 centimeters (6.7 to 15.7 inches); grayish brown (10YR 5/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; clay loam; 31 percent clay; strong medium granular structure; moderately hard, firm, slightly sticky, moderately plastic; moderately slow permeability; 7 percent by volume nonflat subangular strongly coherent cemented 2-38-75 millimeter chert fragments; noneffervescent; strongly acid, pH 5.4, pH indicator strip. Lab sample # 08N02958; moist when described; observed in cut, beveled