IDENTIFIERS

  • Current Taxon Name (Soil Name): Pluto
  • OSD
  • Series Extent
  • User Site ID: UmF-02-301
  • User Pedon ID: 03CA061001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 03N1042
  • NCSS Pedon Lab Data NASIS Record ID - 15765
  • Print Date: 2/17/2025

    • 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: 39.2597580
  • Std. Longitude: -120.0619583
  • Datum: WGS84
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains

    • PEDON

  • Describers Name: William Loftis & Amy Hansen
  • Current Taxonomic Class: Loamy-skeletal, isotic, frigid Ultic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Pluto
  • Taxonomic Class - Loamy-skeletal, isotic, frigid Ultic Haploxeralfs
  • PSC - 22 to 72 cm.
  • Classificaton Date - 8/8/2002
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium over residuum weathered from pyroclastic rock
  • Landscape: mountains
  • Landform: mountainside
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Surface Fragments: 20.00 percent 250- to 600-millimeter volcanic, unspecified, 1.00 percent 600 volcanic, unspecified, 30.00 percent 75- to 250-millimeter volcanic, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/8/2002 (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 Weather - sunny
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    6—22

    22—140

    —16—

    —118—
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    8/8/2002

    50

    —

    15
    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

    37

    —

    —

    2170

    —

    174

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 6 centimeters (0.0 to 2.4 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; observed in pit, small
    A—6 to 22 centimeters (2.4 to 8.7 inches); brown (10YR 4/3) crushed, very dark grayish brown (10YR 3/2) crushed, moist; cobbly sandy loam; 55 percent sand; 5 percent clay; weak very fine granular structure; soft, very friable, nonsticky, nonplastic; 2.0 very fine roots throughout and 0.1 medium roots throughout and 1.0 fine roots throughout; 30.0 very fine irregular pores; 1 percent by volume nonflat subangular 2-?-20 millimeter volcanic, unspecified fragments and 2 percent by volume nonflat subangular 600-?-? millimeter volcanic, unspecified fragments and 7 percent by volume nonflat subangular 20-?-75 millimeter volcanic, unspecified fragments and 15 percent by volume nonflat subangular 250-?-600 millimeter volcanic, unspecified fragments and 20 percent by volume nonflat subangular 75-?-250 millimeter volcanic, unspecified fragments; neutral, pH 7.2; clear smooth boundary. Lab sample # 03N05336; observed in pit, small
    Bt1—22 to 70 centimeters (8.7 to 27.6 inches); pale brown (10YR 6/3) broken face, dark yellowish brown (10YR 4/4) broken face, moist; cobbly sandy loam; 55 percent sand; 10 percent clay; moderate fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout and 1.0 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 5.0 very fine irregular pores; 2 percent clay bridges between sand grains and 5 percent clay films on rock fragments and 5 percent clay films on all faces of peds; 2 percent by volume nonflat subangular 600-?-? millimeter volcanic, unspecified fragments and 10 percent by volume nonflat subangular 20-?-75 millimeter volcanic, unspecified fragments and 10 percent by volume nonflat subangular 2-?-20 millimeter volcanic, unspecified fragments and 15 percent by volume nonflat subangular 250-?-600 millimeter volcanic, unspecified fragments and 20 percent by volume nonflat subangular 75-?-250 millimeter volcanic, unspecified fragments; neutral, pH 6.6; gradual smooth boundary. Lab sample # 03N05337; observed in pit, small
    Bt2—70 to 87 centimeters (27.6 to 34.3 inches); pale brown (10YR 6/3) broken face, yellowish brown (10YR 5/4) broken face, moist; cobbly sandy loam; 55 percent sand; 10 percent clay; moderate fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 0.1 very fine roots throughout and 1.0 medium roots throughout and 0.3 fine roots throughout and 0.1 coarse roots throughout; 10.0 very fine irregular pores; 15 percent clay films on all faces of peds and 50 percent clay films on rock fragments; 2 percent by volume nonflat subangular 600-?-? millimeter volcanic, unspecified fragments and 10 percent by volume nonflat subangular 20-?-75 millimeter volcanic, unspecified fragments and 10 percent by volume nonflat subangular 2-?-20 millimeter volcanic, unspecified fragments and 15 percent by volume nonflat subangular 250-?-600 millimeter volcanic, unspecified fragments and 20 percent by volume nonflat subangular 75-?-250 millimeter volcanic, unspecified fragments; strongly acid, pH 5.4; abrupt wavy boundary. Lab sample # 03N05338; observed in pit, small
    2Bt—87 centimeters (34.3 inches); very pale brown (10YR 7/3) broken face, dark yellowish brown (10YR 4/6) broken face, moist; cobbly loam; 45 percent sand; 15 percent clay; strong fine subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.1 very fine roots throughout and 1.0 very coarse roots throughout and 0.5 medium roots throughout and 0.1 fine roots throughout and 0.5 coarse roots throughout; 0.1 very fine irregular pores; 90 percent clay films on rock fragments and 100 percent clay films on all faces of peds; 5 percent by volume nonflat subangular 250-?-600 millimeter volcanic, unspecified fragments and 5 percent by volume nonflat subangular 20-?-75 millimeter volcanic, unspecified fragments and 7 percent by volume nonflat subangular 2-?-20 millimeter volcanic, unspecified fragments and 30 percent by volume nonflat subangular 75-?-250 millimeter volcanic, unspecified fragments; strongly acid, pH 5.4. Lab sample # 03N05339; observed in pit, small