IDENTIFIERS

  • Current Taxon Name (Soil Name): Trabuco
  • OSD
  • Series Extent
  • User Site ID: SO4-hwy49-716
  • User Pedon ID: SO4-hwy49-716
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCDO4HY49716
  • NCSS Pedon Lab Data NASIS Record ID - 43097
  • 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: 37.7580605
  • Std. Longitude: -120.2499924
  • Datum: WGS84
  • Map Unit: 7156—Crimeahouse-Sixbit complex, 15 to 30 percent slopes
  • State: California
  • County: CA109—Tuolumne
  • 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: 37120-G2—Groveland, California

    • PEDON

  • Describers Name: DGM
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Ultic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Trabuco
  • PSC - 7 to 49 cm.
  • Classificaton Date - 10/19/2017
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SND
  • Taxonomic Class - Fine, mixed, active, thermic Typic Haploxeralfs
  • PSC - 7 to 49 cm.
  • Classificaton Date - 8/6/2008
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: COL/RES
  • Hill Slope Profile: shoulder
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Bedrock: gabbro
  • Geology: Gabbro formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/6/2008 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - native shrubs
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

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    622

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    A—0 to 7 centimeters (0.0 to 2.8 inches);, dark reddish brown (2.5YR 3/4), moist; clay loam; 33 percent clay; weak medium granular parts to weak fine subangular blocky structure; friable, very sticky, slightly plastic; 0.5 coarse roots throughout; fragments; neutral, pH 6.8; clear wavy boundary. Lab sample # UCD00820
    Bt1—7 to 26 centimeters (2.8 to 10.2 inches);, reddish brown (5YR 4/4), moist; clay; 43 percent clay; weak coarse subangular blocky structure; firm, very sticky, very plastic; 3.0 fine roots throughout and 3.0 coarse roots throughout; clay films; fragments; neutral, pH 6.8; clear wavy boundary. Lab sample # UCD00821
    Bt2—26 to 49 centimeters (10.2 to 19.3 inches);, brown (7.5YR 4/4), moist; sandy clay; 48 percent clay; weak medium subangular blocky structure; firm, slightly sticky, slightly plastic; 3.0 medium roots throughout and 0.5 fine roots throughout and 3.0 coarse roots throughout; fragments; neutral, pH 6.8; gradual smooth boundary. Lab sample # UCD00822
    BC1—49 to 82 centimeters (19.3 to 32.3 inches);, dark yellowish brown (10YR 4/6), moist; very gravelly sandy clay loam; 30 percent clay; weak coarse subangular blocky structure; firm, moderately sticky, moderately plastic; 3.0 medium roots throughout and 0.5 fine roots throughout and 3.0 coarse roots throughout; 40 percent by volume indurated 2-35-75 millimeter unspecified fragments; neutral, pH 7.2; clear wavy boundary. Lab sample # UCD00823
    BC2—82 to 170 centimeters (32.3 to 66.9 inches);, yellowish brown (10YR 5/6), moist; very gravelly sandy loam; 18 percent clay; massive; friable; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 40 percent by volume indurated 2-35-75 millimeter unspecified fragments; neutral, pH 7.2; clear wavy boundary. Lab sample # UCD00824