IDENTIFIERS

  • Current Taxon Name (Soil Name): Amador
  • OSD
  • Series Extent
  • User Site ID: 11CA630DEB094N
  • User Pedon ID: S2011DEB094N
  • Vegetation Plot ID: 11CA630DEB094N
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 12N7646
  • NCSS Pedon Lab Data NASIS Record ID - 55304
  • Print Date: 4/25/2024

    • 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: 38.2094444
  • Std. Longitude: -120.7913889
  • Datum: WGS84
  • Township: 4N
  • Range: 11E
  • Section: 8
  • Map Unit: 5202—Pardee-Amador complex, 15 to 40 percent slopes
  • State: California
  • County: CA009—Calaveras
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties
  • 7.5 Minute USGS Quad: 38120-B7—Valley Springs, California

    • PEDON

  • Describers Name: Dylan Beaudette
  • Current Taxonomic Class: Loamy, mixed, superactive, thermic, shallow Ultic Haploxeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Correlated Information:
  • Soil Name - Amador
  • PSC - 30 to 40 cm.
  • Classificaton Date - 12/23/2015
  • Classifier - Andrew Paolucci
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - young gravels over valley springs
  • Classificaton Date - 10/31/2011
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: foothills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: weakly coherent slight weathered tuff, acidic at 40cm with 10 to <45
  • Surface Fragments: 1.00 percent rounded indurated 20- to 75-millimeter mixed, 1.00 percent rounded indurated 20- to 75-millimeter mixed, 1.00 percent rounded indurated 75- to 250-millimeter mixed, 1.00 percent rounded indurated 75- to 250-millimeter mixed,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/31/2011 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CECU

    QUDO

    Ceanothus cuneatus

    Quercus douglasii

    buckbrush

    blue oak

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

    bedrock, paralithic

    moderately coherent

    40 - 203

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

    ochric epipedon

    cambic horizon

    argillic horizon

    paralithic contact

    0—18

    8—30

    30—40

    40—203

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    —-

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    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

    21

    —

    —

    246

    —

    100

    —

    —

    —

    —

    —

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    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3) silt loam; 31 percent sand; 53 percent silt; 17 percent clay; 1 percent by volume rounded indurated 75-163-250 millimeter mixed fragments observed by visual inspection method and 10 percent by volume rounded indurated 5-39-75 millimeter mixed fragments observed by visual inspection method; moderately acid, pH 6.0.; observed in pit, small
    Bt1—8 to 30 centimeters (3.1 to 11.8 inches); gravelly silt loam; 30 percent sand; 52 percent silt; 19 percent clay; 3 percent by volume rounded indurated 75-163-250 millimeter mixed fragments observed by visual inspection method and 15 percent by volume rounded indurated 2-39-75 millimeter mixed fragments observed by visual inspection method; moderately acid, pH 5.9.; observed in pit, small
    Bt2—30 to 40 centimeters (11.8 to 15.7 inches); gravelly clay loam; 23 percent sand; 49 percent silt; 28 percent clay; 1 percent by volume rounded indurated 75-163-250 millimeter mixed fragments observed by visual inspection method and 15 percent by volume rounded indurated 2-39-75 millimeter mixed fragments observed by visual inspection method; moderately acid, pH 5.7.; observed in pit, small
    Cr—40 to 203 centimeters (15.7 to 79.9 inches); bedrock; fragments; moderately acid, pH 5.9.; observed in pit, small