IDENTIFIERS

  • Current Taxon Name (Soil Name): Littletahoma
  • OSD
  • Series Extent
  • User Site ID: S2012WA053587
  • User Pedon ID: S2012WA053587
  • Vegetation Plot ID: S2012WA053587
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 13N0642
  • NCSS Pedon Lab Data NASIS Record ID - 72941
  • 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: 46.9127260
  • Std. Longitude: -121.6092350
  • Datum: WGS84
  • Township: 17 N
  • Range: 9 E
  • Section: 36
  • PLSS Details: 590m north and 760m west of SE corner
  • Location Description: Mount Rainier National Park, Upper Yakima Basin along Sunrise Road near hairpin below Sunrise Point.
  • State: Washington
  • County: WA053—Pierce
  • MLRA: 3—Olympic and Cascade Mountains
  • Non-MLRA Soil Survey Area: WA754—Mount Rainier National Park, Washington
  • 7.5 Minute USGS Quad: 46121-H5—White River Park, Washington

    • PEDON

  • Describers Name: Toby Rodgers
  • Current Taxonomic Class: Medial, glassy Humic Vitricryands
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Littletahoma
  • PSC - 1 to 101 cm.
  • Classificaton Date - 12/8/2014
  • Classifier - Toby Rodgers
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Pachic Fulvicryand
  • Taxonomic Class - Medial, amorphic Pachic Fulvicryands
  • Taxon Kind - taxon above family
  • PSC - 1 to 101 cm.
  • Classificaton Date - 11/16/2012
  • Classifier - Toby Rodgers
  • 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/or colluvium derived from andesite
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/24/2012 (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
  • Current Air Temp - 9
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABLA

    SOSIS2

    RHAL2

    LUSE4

    VASI

    VEVI

    LUZUL

    ASAL3

    Abies lasiocarpa

    Sorbus sitchensis var. sitchensis

    Rhododendron albiflorum

    Lupinus sericeus

    Valeriana sitchensis

    Veratrum viride

    Luzula

    Aster alpinus

    subalpine fir

    Sitka mountain ash

    Cascade azalea

    silky lupine

    Sitka valerian

    green false hellebore

    woodrush

    alpine aster

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

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

    umbric epipedon

    andic soil properties

    1—70

    1—130

    —69—

    —129—
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    9/24/2012

    9/24/2012

    9/24/2012

    10

    15

    50

    —

    —

    —

    8.1

    8.4

    7.1
    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

    20

    —

    —

    1805

    —

    180

    2261

    —

    60

    2.8

    —

    —

    2

    —

    —

    —

    —

    —

    —

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    Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; 60 percent sand; 35 percent silt; 5 percent clay; many (8.0) fine high-continuity interstitial pores; fragments; abrupt wavy boundary.; dry when described; observed in pit, small. Thin discontinuous tephra between Oi and Oe horizons, likely Mt. St. Helens 1980 tephra.
    A1—1 to 9 centimeters (0.4 to 3.5 inches); very dark brown (10YR 2/2) crushed, dark grayish brown (10YR 4/2) crushed, dry; medial fine sandy loam; 60 percent sand; 35 percent silt; 5 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; many (8.0) very fine roots throughout and common (3.0) medium roots throughout and many (8.0) fine roots throughout; common (3.0) very fine low-continuity interstitial and common (3.0) fine low-continuity interstitial pores; 5 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments observed by visual inspection method and 5 percent by volume nonflat subrounded moderately coherent cemented 5-41-75 millimeter pumice fragments observed by visual inspection method; gradual wavy boundary. Lab sample # 13N03024; dry when described; observed in pit, small
    A2—9 to 35 centimeters (3.5 to 13.8 inches); very dark brown (10YR 2/2) crushed, brown (10YR 4/3) crushed, dry; medial fine sandy loam; 55 percent sand; 40 percent silt; 5 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; many (8.0) very fine roots throughout and few (0.8) medium roots throughout and common (3.0) fine roots throughout and few (0.8) coarse roots throughout; common (3.0) very fine low-continuity interstitial and common (3.0) fine low-continuity interstitial pores; 5 percent by volume nonflat subrounded moderately coherent cemented 5-41-75 millimeter pumice fragments observed by visual inspection method and 5 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments observed by visual inspection method; gradual wavy boundary. Lab sample # 13N03025; dry when described; observed in pit, small
    A3—35 to 70 centimeters (13.8 to 27.6 inches); very dark grayish brown (10YR 3/2) crushed, brown (10YR 4/3) crushed, dry; medial sandy loam; 60 percent sand; 35 percent silt; 5 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) very fine moderate-continuity interstitial and common (3.0) fine moderate-continuity interstitial pores; 5 percent by volume nonflat subrounded moderately coherent cemented 5-41-75 millimeter pumice fragments observed by visual inspection method and 5 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments observed by visual inspection method; gradual irregular boundary. Lab sample # 13N03026; moderately dry when described; observed in pit, small
    A4—70 to 108 centimeters (27.6 to 42.5 inches); very dark grayish brown (10YR 3/2) crushed, dark yellowish brown (10YR 4/4) crushed, dry; gravelly medial sandy loam; 60 percent sand; 35 percent silt; 5 percent clay; moderate coarse subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; few (0.8) very fine roots throughout and few (0.8) fine roots throughout; common (3.0) very fine moderate-continuity irregular and common (3.0) fine moderate-continuity irregular pores; 5 percent by volume nonflat subrounded moderately coherent cemented 5-41-75 millimeter pumice fragments observed by visual inspection method and 10 percent by volume nonflat subangular indurated 75-163-250 millimeter andesite fragments observed by visual inspection method; gradual irregular boundary. Lab sample # 13N03027; slightly moist when described; observed in pit, small
    Bw—108 to 150 centimeters (42.5 to 59.1 inches); dark brown (7.5YR 3/2) crushed, brown (7.5YR 4/3) crushed, dry; gravelly medial sandy loam; 60 percent sand; 34 percent silt; 6 percent clay; moderate coarse subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; few (0.8) very fine roots between peds; common (3.0) very fine moderate-continuity irregular and common (3.0) fine moderate-continuity irregular pores; 5 percent by volume nonflat subrounded indurated 2-4-5 millimeter andesite fragments observed by visual inspection method and 5 percent by volume nonflat subangular indurated 75-163-250 millimeter andesite fragments observed by visual inspection method and 10 percent by volume nonflat subangular indurated 5-41-75 millimeter andesite fragments observed by visual inspection method. Lab sample # 13N03028; slightly moist when described; observed in pit, small