IDENTIFIERS

  • Current Taxon Name (Soil Name): Briceland
  • OSD
  • Series Extent
  • User Site ID: 07CA601931
  • User Pedon ID: 07CA601931
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 08N0236
  • NCSS Pedon Lab Data NASIS Record ID - 19675
  • Print Date: 11/26/2024

    • 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: 40.1008333
  • Std. Longitude: -123.8911111
  • Datum: WGS84
  • Location Description: Marshall Ranch SW of Briceland. Site is 3 meters from 441 which was not found until after this pit was filled in.
  • Map Unit: 645—Briceland-Tankridge complex, 15 to 50 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA601—Humboldt County, South Part, California
  • 7.5 Minute USGS Quad: 40123-A8—Briceland, California

    • PEDON

  • Describers Name: Jonathan W. Hooper
  • Current Taxonomic Class: Fine-silty, mixed, superactive, thermic Aquic Palexeralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 931
  • Correlated Information:
  • Soil Name - Briceland
  • PSC - 32 to 82 cm.
  • Classificaton Date - 4/19/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Briceland
  • Classificaton Date - 11/7/2007
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from mudstone and/or residuum weathered from mudstone
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Geomorphic Component Mountains: mountainflank, center third
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: high
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Quarternary And Tertiary Overlap Deposits formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/7/2007 (actual site observation date)
  • Air Photo ID: 6248-142
  • Plant Association Name: grassland
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—32

    32—200

    —-

    —-
    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

    18

    —

    —

    207

    —

    225

    2160

    —

    260

    14

    —

    —

    17

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 12 centimeters (0.0 to 4.7 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; 20 percent clay; moderate medium granular structure; slightly hard, friable, slightly sticky, moderately plastic; moderate permeability; 4.0 very fine roots throughout and 2.0 fine roots throughout; 2.0 very fine tubular pores; 2 reversible trans-horizon cracks per meter at a depth of 125 cm with a width of 2 cm; fragments; noneffervescent; very strongly acid, pH 4.9; clear smooth boundary.; moist when described; observed in pit, small
    A2—12 to 32 centimeters (4.7 to 12.6 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silt loam; 24 percent clay; weak fine subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; moderate permeability; 2.0 very fine roots throughout and 1.0 fine roots throughout; 2.0 very fine tubular pores; fragments; noneffervescent; strongly acid, pH 5.5; clear smooth boundary.; moist when described; observed in pit, small
    Bt1—32 to 53 centimeters (12.6 to 20.9 inches); very pale brown (10YR 7/4), brown (10YR 4/3), moist; silty clay loam; 29 percent clay; moderate medium subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; moderate permeability; 2.0 very fine roots throughout; 3.0 very fine tubular pores; 20 percent distinct clay films on all faces of peds; fragments; noneffervescent; moderately acid, pH 5.9; abrupt smooth boundary.; moist when described; observed in pit, small. discontinuous - phpvsfiid 383675; discontinuous - phpvsfiid 383675
    Bt2—53 to 76 centimeters (20.9 to 29.9 inches); yellowish brown (10YR 5/4), dark brown (10YR 3/3), moist; silty clay loam; 36 percent clay; moderate medium subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; moderate permeability; 1.0 very fine roots throughout; 3.0 very fine tubular pores; 20 percent distinct clay films on all faces of peds; 10 percent fine distinct irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron-manganese masses with clear boundaries throughout and 30 percent fine distinct irregular noncoherent cemented dark gray (10YR 4/1), moist, iron depletions with clear boundaries throughout; fragments; noneffervescent; moderately acid, pH 5.9; clear smooth boundary.; moist when described; observed in pit, small. discontinuous - phpvsfiid 383676; discontinuous - phpvsfiid 383676
    Bt3—76 to 125 centimeters (29.9 to 49.2 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; silty clay; 44 percent clay; moderate medium subangular blocky structure; very hard, very firm, moderately sticky, very plastic; moderately slow permeability; 0.5 very fine roots throughout; 0.5 very fine interstitial pores; 30 percent distinct clay films on all faces of peds; 20 percent fine distinct irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions throughout and 20 percent fine distinct irregular noncoherent cemented yellowish brown (10YR 5/6) iron-manganese masses throughout; fragments; noneffervescent; slightly acid, pH 6.2; gradual wavy boundary.; dry when described; observed in pit, small. discontinuous - phpvsfiid 383690; discontinuous - phpvsfiid 383690
    Bt4—125 to 150 centimeters (49.2 to 59.1 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; silty clay; 42 percent clay; strong very coarse prismatic parts to moderate medium subangular blocky structure; very hard, very firm, moderately sticky, very plastic; moderately slow permeability; 30 percent distinct clay films on all faces of peds; 20 percent fine distinct irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses throughout and 20 percent fine distinct irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions throughout; fragments; noneffervescent; slightly acid, pH 6.2; gradual wavy boundary.; dry when described; observed in pit, small. discontinuous - phpvsfiid 383691; discontinuous - phpvsfiid 383691
    Bt5—150 to 200 centimeters (59.1 to 78.7 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; silty clay loam; 39 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; very hard, very firm, moderately sticky, very plastic; moderately slow permeability; 30 percent distinct clay films on all faces of peds; 15 percent fine distinct irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions throughout; 15 percent by volume nonflat subangular moderately coherent cemented 2-20-75 millimeter mudstone fragments; noneffervescent; slightly acid, pH 6.4.; dry when described; observed in pit, small. discontinuous - phpvsfiid 383677; discontinuous - phpvsfiid 383677