IDENTIFIERS

  • Current Taxon Name (Soil Name): Dungan
  • OSD
  • Series Extent
  • User Site ID: S2001CA600015P
  • User Pedon ID: S2002CA023016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 02N0784
  • NCSS Pedon Lab Data NASIS Record ID - 14877
  • Print Date: 11/25/2024

    • 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: 40.6032486
  • Std. Longitude: -124.2549438
  • Datum: WGS84
  • Township: 3N
  • Range: 2W
  • Section: 36
  • PLSS Details: northwest quarter of the northwest quarter
  • Location Description: Humboldt County, Ferndale, California; About 1.1 miles/1.8 kilometers east of Dillon Road on Goble Lane, about 365 meters or 1200 feet south.
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4B—Coastal Redwood Belt
  • 7.5 Minute USGS Quad: 40124-E3—Ferndale, California

    • PEDON

  • Describers Name: Sue Aszman
  • Current Taxonomic Class: Fine-silty, mixed, superactive, nonacid, mesic Fluvaquentic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 16
  • Sampled As Information:
  • Soil Name - Dungan
  • Taxonomic Class - Fine-silty, mixed, superactive, nonacid, mesic Fluvaquentic Hapludolls
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/29/2001
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from mixed
  • Landscape: alluvial plain
  • Landform: flood-plain step
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: rare flooding for brief periods
  • Ponding: none ponding
  • Geology: Alluvium formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/29/2001 (actual site observation date)
  • Air Photo ID: 395-49
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • 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

    cambic horizon

    0—36

    36—106

    —36—

    —70—
    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

    1

    —

    —

    7

    —

    1015

    —

    303

    11

    14

    8

    14

    18

    9

    —

    —

    —

    —

    —
    Ap—0 to 36 centimeters (0.0 to 14.2 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; 25 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 3.0 very fine roots throughout and 4.0 fine roots throughout; 3.0 very fine irregular and 1.0 medium tubular and 2.0 fine irregular pores; 1 percent by volume 2-4-5 millimeter mixed fragments; neutral, pH 7.0, bromthymol blue; clear wavy boundary. Lab sample # 02N03968; moist when described; observed in pit, small
    Bw1—36 to 50 centimeters (14.2 to 19.7 inches); dark grayish brown (2.5Y 4/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; silt loam; 15 percent clay; weak medium platy, and weak fine platy structure; soft, very friable, slightly sticky, nonplastic; moderate permeability; 2.0 very fine roots throughout and 2.0 fine roots throughout; 3.0 very fine irregular and 2.0 medium tubular and 2.0 fine irregular pores; fragments; neutral, pH 6.8, chlorophenol red; diffuse wavy boundary. Lab sample # 02N03969; moist when described; observed in pit, small
    Bw2—50 to 80 centimeters (19.7 to 31.5 inches); dark grayish brown (2.5Y 4/2) broken face, grayish brown (2.5Y 5/2) broken face, dry; silty clay loam; 28 percent clay; strong medium subangular blocky structure; soft, very friable, slightly sticky, moderately plastic; moderately slow permeability; 1.0 very fine roots throughout and 1.0 fine roots throughout; 2.0 very fine irregular and 2.0 medium tubular and 1.0 fine irregular pores; fragments; neutral, pH 6.6, chlorophenol red; diffuse wavy boundary. Lab sample # 02N03970; moist when described; observed in pit, small
    Bw3—80 to 106 centimeters (31.5 to 41.7 inches); dark grayish brown (2.5Y 4/2) broken face silt loam; 26 percent clay; moderate medium subangular blocky structure; soft, friable, slightly sticky, moderately plastic; moderate permeability; 1.0 very fine roots throughout and 1.0 fine roots throughout; 1.0 very fine irregular and 1.0 medium tubular and 1.0 fine irregular pores; fragments; neutral, pH 6.8, chlorophenol red; diffuse wavy boundary.; moist when described; observed in push tube
    C1—106 to 144 centimeters (41.7 to 56.7 inches); dark grayish brown (2.5Y 4/2) broken face silt loam; 22 percent clay; structureless massive; soft, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout and 0.5 fine roots throughout; 1.0 very fine irregular and 1.0 medium tubular and 1.0 fine irregular pores; fragments; diffuse wavy boundary.; moist when described; observed in push tube
    C2—144 to 153 centimeters (56.7 to 60.2 inches); dark grayish brown (2.5Y 4/2) broken face very fine sandy loam; 12 percent clay; structureless massive; loose, very friable, nonsticky, nonplastic; moderate permeability; fragments; neutral, pH 6.8, chlorophenol red.; moist when described; observed in push tube