IDENTIFIERS

  • Current Taxon Name (Soil Name): COMPTCHE
  • OSD
  • Series Extent
  • User Site ID: S1964-CA-49-020x
  • User Pedon ID: 64-CA-49-020x
  • Vegetation Plot ID: S1964-CA-49-020x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6449020
  • NCSS Pedon Lab Data NASIS Record ID - 42062
  • Print Date: 11/26/2024

    • 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: 38.6964722
  • Std. Longitude: -122.8740997
  • Datum: WGS84
  • Township: 10N
  • Range: 9W
  • Section: 21
  • PLSS Details: NE/4, NE/4
  • State: California
  • County: CA097—Sonoma
  • MLRA: 14—Central California Coastal Valleys
  • Non-MLRA Soil Survey Area: CA097—Sonoma County, California
  • 7.5 Minute USGS Quad: 38122-F7—Jimtown, California

    • PEDON

  • Describers Name: JAD, BFS, GL, JHK
  • Current Taxonomic Class: Fine-loamy, mixed, mesic Mollic Haploxeralfs
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - COMPTCHE
  • Taxonomic Class - Fine-loamy, mixed, mesic Mollic Haploxeralfs
  • Classificaton Date - 10/21/2008
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: simple
  • Drainage Class: well
  • Geology: Basic Igneous Greenstone. Geol formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/21/2008 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QUKE

    Quercus kelloggii

    California black oak

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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

    63

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    122

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    45

    1143

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    14.4

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    O1—0 to 5 centimeters (0.0 to 2.0 inches); fragments. Lab sample # UCD00728
    A11—5 to 13 centimeters (2.0 to 5.1 inches); reddish gray (2.5YR 5/1), dusky red (2.5YR 3/2), moist; gravelly clay loam; moderate medium granular parts to strong fine subangular blocky structure; friable, nonsticky, nonplastic; 21.0 medium roots throughout and 21.0 fine roots throughout; 21.0 very fine irregular and 21.0 very fine tubular and 21.0 medium irregular and 21.0 medium irregular and 21.0 fine tubular and 21.0 fine irregular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; very strongly acid, pH 5.0; clear smooth boundary. Lab sample # UCD00729
    A12—13 to 25 centimeters (5.1 to 9.8 inches); reddish gray (2.5YR 5/1), dusky red (2.5YR 3/2), moist; gravelly clay loam; weak medium subangular blocky parts to weak fine subangular blocky structure; friable, nonsticky, nonplastic; 3.0 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 very fine irregular and 3.0 fine irregular and 3.0 fine tubular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.5; gradual smooth boundary. Lab sample # UCD00730
    B1—25 to 71 centimeters (9.8 to 28.0 inches); reddish gray (10R 5/1), dusky red (10R 3/2), moist; clay loam; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 3.0 medium tubular and 3.0 medium irregular and 3.0 fine irregular and 3.0 fine tubular pores; 30 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores; fragments; strongly acid, pH 5.4; diffuse boundary. Lab sample # UCD00731
    B21—71 to 102 centimeters (28.0 to 40.2 inches); weak red (10R 5/2), dusky red (10R 3/2), moist; clay loam; weak medium subangular blocky structure; friable, slightly sticky, moderately plastic; 0.1 medium roots throughout and 0.1 fine roots throughout and 0.1 coarse roots throughout; 0.5 medium irregular and 0.5 fine irregular pores; 30 percent clay films on all faces of peds; fragments; strongly acid, pH 5.4; clear boundary. Lab sample # UCD00732
    B22t—102 to 127 centimeters (40.2 to 50.0 inches); weak red (10R 4/2), dusky red (10R 3/3), moist; gravelly clay; weak coarse subangular blocky structure; very firm, slightly sticky, moderately plastic; 0.1 medium roots throughout and 0.1 fine roots throughout and 0.1 coarse roots throughout; 0.5 medium irregular and 0.5 fine irregular pores; 75 percent clay films on all faces of peds and 75 percent clay films on surfaces along pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; strongly acid, pH 5.4; gradual irregular boundary. Lab sample # UCD00733
    R—127 to 127 centimeters (50.0 to 50.0 inches); fragments. Lab sample # UCD00734