IDENTIFIERS

  • Current Taxon Name (Soil Name): Chenuis
  • OSD
  • Series Extent
  • User Site ID: S2012WA041501
  • User Pedon ID: S2012WA041501
  • Vegetation Plot ID: S2012WA041501
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 13N0617
  • NCSS Pedon Lab Data NASIS Record ID - 72589
  • 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: 46.7760600
  • Std. Longitude: -121.7226600
  • Datum: WGS84
  • Township: 15N
  • Range: 9E
  • Section: 19
  • PLSS Details: 770m north and 300m east of the southwest corner
  • Location Description: South end of Mazama Ridge, above Reflection Lake and west of Faraway Rock
  • State: Washington
  • County: WA041—Lewis
  • MLRA: 3—Olympic and Cascade Mountains
  • Non-MLRA Soil Survey Area: WA754—Mount Rainier National Park, Washington
  • PEDON

  • Describers Name: Phil Roberts
  • Current Taxonomic Class: Medial-skeletal, glassy Humic Vitricryands
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 5.1
  • Correlated Information:
  • Soil Name - Chenuis
  • PSC - 0 to 100 cm.
  • Classificaton Date - 12/5/2014
  • Classifier - Toby Rodgers
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - humic vitricryands
  • Taxonomic Class - Medial-skeletal, amorphic Humic Vitricryands
  • Taxon Kind - taxon above family
  • PSC - 0 to 100 cm.
  • Classificaton Date - 11/14/2012
  • Classifier - Philip Roberts
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: volcanic ash and alluvium over lahar deposits
  • Landscape: mountains
  • Landform: debris apron mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Drainage Class: well
  • Flooding: frequent flooding for long periods
  • Ponding: none ponding
  • Surface Fragments: 5.00 percent indurated 250- to 600-millimeter andesite, 5.00 percent indurated 75- to 250-millimeter andesite,
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/20/2012 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - native shrubs
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - partly cloudy
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABLA

    SOSC2

    CANI2

    Abies lasiocarpa

    Sorbus scopulina

    Carex nigricans

    subalpine fir

    Greene's mountain ash

    black alpine sedge

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    densic material

    moderately coherent

    100 -

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

    umbric epipedon

    andic soil properties

    volcanic glass

    cambic horizon

    lithologic discontinuity

    densic contact

    0—25

    0—100

    0—100

    30—60

    100—

    100—

    —25—

    —100—

    —100—

    —30—

    —-

    —-

    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

    15

    1605

    150

    2870

    45

    3.9

    2.8

    A1—0 to 30 centimeters (0.0 to 11.8 inches); variegated very dark grayish brown (10YR 3/2) crushed, grayish brown (10YR 5/2) crushed, dry; very cobbly medial sandy loam; 65 percent sand; 32 percent silt; 3 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; common (3.0) very fine roots throughout and common (3.0) medium roots throughout and common (3.0) fine roots throughout and common (3.0) coarse roots throughout; common (3.0) medium interstitial and common (3.0) fine interstitial pores; 5 percent by volume indurated 2-4-5 millimeter andesite fragments observed by visual inspection method and 10 percent by volume indurated 5-51-75 millimeter andesite fragments observed by visual inspection method and 10 percent by volume indurated 250-432-600 millimeter andesite fragments observed by visual inspection method and 35 percent by volume indurated 75-152-250 millimeter andesite fragments observed by visual inspection method; gradual wavy boundary.; moist when described; observed in pit, small
    A2—30 to 60 centimeters (11.8 to 23.6 inches); variegated very dark grayish brown (10YR 3/2) crushed, grayish brown (10YR 5/2) crushed, dry; extremely cobbly medial sandy loam; 70 percent sand; 27 percent silt; 3 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; many (8.0) very fine roots throughout and common (3.0) medium roots throughout and many (8.0) fine roots throughout and few (0.8) coarse roots throughout; common (3.0) medium interstitial and common (3.0) fine interstitial pores; 5 percent by volume indurated 2-4-5 millimeter andesite fragments observed by visual inspection method and 10 percent by volume indurated 250-432-600 millimeter andesite fragments observed by visual inspection method and 15 percent by volume indurated 5-51-75 millimeter andesite fragments observed by visual inspection method and 40 percent by volume indurated 75-152-250 millimeter andesite fragments observed by visual inspection method; gradual wavy boundary.; moist when described; observed in pit, small
    Bw—60 to 100 centimeters (23.6 to 39.4 inches); variegated dark brown (10YR 3/3) crushed, brown (10YR 5/3) crushed, dry; very cobbly medial sandy loam; 70 percent sand; 28 percent silt; 2 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; common (3.0) very fine roots throughout and few (0.8) medium roots throughout and common (3.0) fine roots throughout; common (3.0) medium interstitial and common (3.0) fine interstitial pores; 5 percent by volume indurated 250-432-600 millimeter andesite fragments observed by visual inspection method and 10 percent by volume indurated 2-4-5 millimeter andesite fragments observed by visual inspection method and 15 percent by volume indurated 5-51-75 millimeter andesite fragments observed by visual inspection method and 30 percent by volume indurated 75-152-250 millimeter andesite fragments observed by visual inspection method; clear wavy boundary.; moist when described; observed in pit, small
    2Cd—100 to 160 centimeters (39.4 to 63.0 inches); brown (7.5YR 4/2) crushed, pinkish gray (7.5YR 6/2) crushed, dry; very gravelly sandy loam; 55 percent sand; 43 percent silt; 2 percent clay; massive; loose, loose, nonsticky, nonplastic; few (0.8) very fine roots throughout and few (0.8) fine roots throughout; few (0.8) very fine interstitial pores; fragments. Lab sample # 13N02935; moist when described; observed in pit, small