IDENTIFIERS

  • Current Taxon Name (Soil Name): Rockyglen
  • OSD
  • Series Extent
  • User Site ID: 08CA600129
  • User Pedon ID: 08CA600129
  • Vegetation Plot ID: 08CA600129
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 09N0114
  • NCSS Pedon Lab Data NASIS Record ID - 20255
  • 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: 40.5084333
  • Std. Longitude: -123.6877556
  • Datum: WGS84
  • Location Description: Humboldt County, CA; About 12.5 kilometers northeast of Bridgeville
  • Map Unit: 469—Tannin-Burgsblock-Rockyglen complex, 50 to 75 percent slopes
  • 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-E6—Showers Mountain, California

    • PEDON

  • Describers Name: Jennifer T. Berman
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, mesic Typic Dystroxerepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Rockyglen
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/9/2016
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rockyglen
  • Classificaton Date - 9/11/2008
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from sandstone
  • Landscape: mountains
  • Landform: mountain slope
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 35.00 percent angular strongly coherent cemented 2- to 75-millimeter sandstone, unspecified, 5.00 percent angular strongly coherent cemented 75- to 250-millimeter sandstone, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/11/2008 (actual site observation date)
  • Air Photo ID: 6248-61
  • Plant Association Name: Douglas-fir/live oak
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARME

    PSME

    QUCH2

    UMCA

    Arbutus menziesii

    Pseudotsuga menziesii

    Quercus chrysolepis

    Umbellularia californica

    Pacific madrone

    Douglas-fir

    canyon live oak

    California laurel

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

    ochric epipedon

    cambic horizon

    0—25

    25—125

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    —-
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    9/11/2008

    50

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    18
    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

    58

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    —

    716

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    332

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    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; nonsticky, nonplastic; low excavation difficulty; 50 percent by volume subangular very strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 6.0, chlorophenol red; abrupt wavy boundary.; dry when described; observed in cut
    A—5 to 25 centimeters (2.0 to 9.8 inches); dark grayish brown (10YR 4/2), black (10YR 2/1), moist; extremely gravelly loamy sand; 12 percent clay; moderate very fine granular, and moderate fine granular structure; slightly hard, very friable, slightly sticky, nonplastic; 3.0 very fine roots throughout and 1.0 very coarse roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout and 1.0 coarse roots throughout; 1.0 very fine tubular and 3.0 medium tubular and 1.0 fine tubular and 0.5 coarse tubular pores; 50 percent by volume subangular very strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.8, chlorophenol red; clear wavy boundary.; dry when described; observed in cut
    Bw1—25 to 65 centimeters (9.8 to 25.6 inches); light brownish gray (10YR 6/2), very dark gray (10YR 3/1), moist; extremely gravelly sandy loam; 13 percent clay; weak very fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 3.0 very fine roots throughout and 1.0 very coarse roots throughout and 1.0 medium roots throughout and 0.5 fine roots throughout and 5.0 coarse roots throughout; 1.0 very fine tubular and 0.5 medium tubular and 1.0 fine tubular and 0.5 coarse tubular pores; 40 percent distinct organic stains on all faces of peds; 60 percent by volume subangular very strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 6.0, chlorophenol red; gradual wavy boundary.; dry when described; observed in cut
    Bw2—65 to 95 centimeters (25.6 to 37.4 inches); light brownish gray (10YR 6/2), very dark grayish brown (10YR 3/2), moist; extremely gravelly sandy loam; 15 percent clay; moderate fine subangular blocky, and moderate very fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 3.0 very fine roots throughout and 1.0 very coarse roots throughout and 1.0 medium roots throughout and 0.5 fine roots throughout and 1.0 coarse roots throughout; 1.0 very fine tubular and 1.0 medium tubular and 1.0 fine tubular and 1.0 coarse tubular pores; 40 percent distinct organic stains on all faces of peds; 60 percent by volume subangular very strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 6.0, chlorophenol red; clear wavy boundary.; dry when described; observed in cut
    Bw3—95 to 125 centimeters (37.4 to 49.2 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; extremely gravelly sandy loam; 14 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 3.0 very fine roots throughout and 0.5 very coarse roots throughout and 3.0 medium roots throughout and 1.0 fine roots throughout and 3.0 coarse roots throughout; 1.0 very fine tubular and 3.0 medium tubular and 0.5 fine tubular and 1.0 coarse tubular pores; 65 percent by volume subangular very strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 6.0, chlorophenol red; clear wavy boundary.; dry when described; observed in cut
    C1—125 to 180 centimeters (49.2 to 70.9 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; extremely gravelly sandy loam; 12 percent clay; structureless massive; loose, loose, slightly sticky, nonplastic; 1.0 very fine roots throughout and 3.0 very coarse roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 1.0 very fine irregular and 1.0 very fine irregular and 3.0 very coarse irregular and 3.0 medium irregular and 3.0 coarse irregular pores; 10 percent by volume subangular very strongly coherent cemented 75-150-250 millimeter sandstone, unspecified fragments and 65 percent by volume subangular very strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 6.0, chlorophenol red; gradual wavy boundary.; dry when described; observed in cut
    C2—180 to 200 centimeters (70.9 to 78.7 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; extremely gravelly sandy loam; 7 percent clay; structureless massive; loose, loose, slightly sticky, nonplastic; 0.5 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout; 1.0 very fine irregular and 1.0 very fine irregular and 3.0 very coarse irregular and 3.0 medium irregular and 3.0 coarse irregular pores; 15 percent by volume subangular very strongly coherent cemented 75-150-250 millimeter sandstone, unspecified fragments and 70 percent by volume subangular very strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 6.0, chlorophenol red.; dry when described; observed in cut