IDENTIFIERS

  • Current Taxon Name (Soil Name): Tricouni
  • OSD
  • Series Extent
  • User Site ID: S2007WA073102
  • User Pedon ID: S2007WA073102
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 08N0320
  • NCSS Pedon Lab Data NASIS Record ID - 19771
  • Print Date: 12/4/2024

    • 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: 48.7693329
  • Std. Longitude: -121.0652313
  • Datum: WGS84
  • Township: 38N
  • Range: 13E
  • Section: 23
  • Location Description: South on trail from Pumpkin Mountain Camp, over Pierce Creek in between trail and bedrock bench
  • Map Unit: 6015—Tricouni-Ragged-Easy complex, 5 to 50 percent slopes
  • State: Washington
  • County: WA073—Whatcom
  • MLRA: 3—Olympic and Cascade Mountains
  • Non-MLRA Soil Survey Area: WA774—North Cascades National Park Complex, Washington
  • 7.5 Minute USGS Quad: 48121-G1—Pumpkin Mountain, Washington

    • PEDON

  • Describers Name: Toby Rodgers
  • Current Taxonomic Class: Loamy-skeletal, isotic, frigid Andic Dystrudepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Tricouni
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/17/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Tricouni
  • Classificaton Date - 7/12/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash mixed with glacial drift over glacial drift
  • Landscape: mountains
  • Landform: Valley Wall mountain slope
  • Geomorphic Component Mountains: mountainflank, lower third
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: at 100cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/12/2007 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Air Temp - 28
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    100 -

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

    albic horizon

    ochric epipedon

    cambic horizon

    lithologic discontinuity

    lithic contact

    10—12

    10—18

    12—28

    28—

    100—

    —-

    —-

    —-

    —-

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

    7/12/2007

    7/12/2007

    15

    50

    —

    —

    14

    11
    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

    —

    —

    597

    —

    40

    1346

    —

    —

    7.2

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments; very abrupt wavy boundary.; observed in pit, small
    Oe—2 to 10 centimeters (0.8 to 3.9 inches); moderately decomposed plant material; 8.0 very fine roots throughout and 8.0 very coarse roots throughout and 8.0 medium roots throughout and 8.0 fine roots throughout; fragments; very abrupt wavy boundary.; observed in pit, small
    E—10 to 12 centimeters (3.9 to 4.7 inches); dark grayish brown (2.5Y 4/2), light brownish gray (10YR 6/2), dry; ashy sandy loam; 70 percent sand; 26 percent silt; 4 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 8.0 very fine roots throughout and 8.0 medium roots throughout and 8.0 fine roots throughout and 8.0 coarse roots throughout; 5 percent by volume 2-4-5 millimeter mixed fragments; abrupt irregular boundary.; observed in pit, small. E horizon is thicker and stronger under log; E is discontinuous
    Bw—12 to 28 centimeters (4.7 to 11.0 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; gravelly ashy sandy loam; 70 percent sand; 26 percent silt; 4 percent clay; moderate medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 8.0 very fine roots throughout and 0.5 very coarse roots throughout and 8.0 medium roots throughout and 8.0 fine roots throughout and 8.0 coarse roots throughout; 5 percent by volume 2-4-5 millimeter mixed fragments and 5 percent by volume 75-160-250 millimeter mixed fragments and 10 percent by volume 5-50-75 millimeter mixed fragments; clear irregular boundary.; observed in pit, small. S08WA-073-003-01
    2BC—28 to 60 centimeters (11.0 to 23.6 inches); olive brown (2.5Y 4/4), light yellowish brown (2.5Y 6/4), dry; gravelly loamy sand; 85 percent sand; 13 percent silt; 2 percent clay; moderate medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 0.5 very fine roots throughout and 0.5 medium roots throughout and 0.5 fine roots throughout; 5 percent by volume 75-160-250 millimeter mixed fragments and 10 percent by volume 2-4-5 millimeter mixed fragments and 10 percent by volume 5-50-75 millimeter mixed fragments; clear wavy boundary.; observed in pit, small. S08WA-073-003-02
    2C—60 to 100 centimeters (23.6 to 39.4 inches); olive brown (2.5Y 4/3), light yellowish brown (2.5Y 6/3), dry; gravelly loamy sand; 85 percent sand; 13 percent silt; 2 percent clay; moderate medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 5 percent by volume 2-4-5 millimeter mixed fragments and 5 percent by volume 5-50-75 millimeter mixed fragments and 5 percent by volume 75-160-250 millimeter mixed fragments; very abrupt wavy boundary.; observed in pit, small. S08WA-073-003-03
    R—100 centimeters (39.4 inches); fragments.