IDENTIFIERS

  • Current Taxon Name (Soil Name): Rockyglen
  • OSD
  • Series Extent
  • User Site ID: 08CA6011064
  • User Pedon ID: 08CA6011064
  • Vegetation Plot ID: 08CA6011064
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 09N0113
  • NCSS Pedon Lab Data NASIS Record ID - 20254
  • Print Date: 11/23/2024

    • 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: 40.3672222
  • Std. Longitude: -123.7538889
  • Datum: WGS84
  • Location Description: Sierra Pac land near Bridgeville
  • Map Unit: 461—Tannin-Burgsblock-Rockyglen complex, 30 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-C7—Myers Flat, California

    • PEDON

  • Describers Name: Jonathan W. Hooper
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive, mesic Typic Dystroxerepts
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1064
  • Correlated Information:
  • Soil Name - Rockyglen
  • PSC - 29 to 104 cm.
  • Classificaton Date - 4/2/2013
  • Classifier - Jonathan Hooper
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rockyglen
  • Classificaton Date - 9/15/2008
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from metasedimentary rock and/or residuum weathered from metasedimentary rock
  • Landscape: mountains
  • Landform: mountain
  • Geomorphic Component Mountains: mountainflank, center third
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent metasedimentary rock, unspecified with <10
  • Geology: Franciscan Complex formation of the Central Belt, Cm2 Melange group.
  • Surface Fragments: 20.00 percent nonflat angular strongly coherent cemented 2- to 75-millimeter sandstone, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/15/2008 (actual site observation date)
  • Air Photo ID: 6248-123
  • Plant Association Name: Douglas-fir-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

    GAYLU

    LIDEE

    PSME

    UMCA

    ARME

    Gaylussacia

    Lithocarpus densiflorus var. echinoides

    Pseudotsuga menziesii

    Umbellularia californica

    Arbutus menziesii

    huckleberry

    tanoak

    Douglas-fir

    California laurel

    Pacific madrone

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

    ochric epipedon

    cambic horizon

    0—30

    30—67

    —30—

    —37—
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    9/15/2008

    50

    —

    16
    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

    40

    —

    —

    682

    —

    60

    1780

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    260

    13

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    12

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    Oi—0 to 4 centimeters (0.0 to 1.6 inches); slightly decomposed plant material; fragments; noneffervescent; moderately acid, pH 6.0, chlorophenol red; abrupt smooth boundary.; observed in cut
    A1—4 to 15 centimeters (1.6 to 5.9 inches); brown (7.5YR 5/3), dark brown (7.5YR 3/4), moist; gravelly loam; 20 percent clay; moderate medium granular structure; moderately hard, friable, slightly sticky, slightly plastic; 4.0 very fine roots throughout and 5.0 medium roots throughout and 5.0 fine roots throughout; 2.0 very fine tubular pores; 20 percent by volume nonflat angular strongly coherent cemented 2-25-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6, chlorophenol red; clear smooth boundary.; observed in cut
    A2—15 to 30 centimeters (5.9 to 11.8 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/4), moist; gravelly loam; 22 percent clay; moderate medium granular structure; moderately hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 1.0 very coarse roots throughout and 5.0 medium roots throughout and 1.0 coarse roots throughout; 2.0 very fine tubular pores; 20 percent by volume nonflat angular strongly coherent cemented 2-25-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6, chlorophenol red; clear smooth boundary.; observed in cut
    Bw1—30 to 67 centimeters (11.8 to 26.4 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; very gravelly loam; 20 percent clay; weak fine subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 1.0 very coarse roots throughout and 5.0 medium roots throughout and 3.0 fine roots throughout and 1.0 coarse roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 15 percent distinct clay films on all faces of peds; 45 percent by volume nonflat angular strongly coherent cemented 2-25-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.6, chlorophenol red; gradual smooth boundary.; observed in cut
    Bw2—67 to 115 centimeters (26.4 to 45.3 inches); pale brown (10YR 6/3), yellowish brown (10YR 5/4), moist; very gravelly loam; 20 percent clay; weak fine subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 1.0 very coarse roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 1.0 coarse roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 5 percent by volume nonflat angular strongly coherent cemented 76-150-250 millimeter sandstone, unspecified fragments and 50 percent by volume nonflat angular strongly coherent cemented 2-25-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.8, chlorophenol red; gradual wavy boundary.; observed in cut
    C—115 to 200 centimeters (45.3 to 78.7 inches); light yellowish brown (2.5Y 6/3), light olive brown (2.5Y 5/3), moist; extremely gravelly sandy loam; 18 percent clay; massive; moderately hard, friable, slightly sticky, slightly plastic; 1.0 very coarse roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 4.0 coarse roots throughout; fine faint iron-manganese masses in matrix; 80 percent by volume nonflat angular strongly coherent cemented 2-25-75 millimeter sandstone, unspecified fragments; noneffervescent; moderately acid, pH 5.8, chlorophenol red.; observed in cut