IDENTIFIERS

  • Current Taxon Name (Soil Name): Clear Lake
  • OSD
  • Series Extent
  • User Site ID: S1961CA097010
  • User Pedon ID: S1961CA097010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3088
  • NCSS Pedon Lab Data NASIS Record ID - 38217
  • Print Date: 5/16/2024

    • 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: 38.2705574
  • Std. Longitude: -122.6438904
  • Datum: WGS84
  • Township: 5N
  • Range: 7W
  • Section: 21
  • PLSS Details: NW1/4, NW1/4
  • Location Description: Dangers Ranch - Ely Road, 1/2 mile southeast of junction with Corona Road. , projected.
  • State: California
  • County: CA097—Sonoma
  • MLRA: 14—Central California Coastal Valleys
  • Non-MLRA Soil Survey Area: CA097—Sonoma County, California

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, thermic Xeric Endoaquerts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Clear Lake
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Clear Lake
  • Classificaton Date - 6/27/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: basin
  • Landform: flat
  • Runoff: low
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/27/1961 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    1

    —

    —

    12

    —

    635

    —

    —

    14.4

    18.9

    8.3

    —

    —

    —

    —

    —

    —

    —

    —
    AP—0 to 5 centimeters (0.0 to 2.0 inches); very dark gray (10YR 3/1), dark gray (N 4/0), dry; clay; fine and medium granular structure; extremely hard, very firm, moderately sticky, moderately plastic; 21.0 very fine and fine roots; fragments; moderately acid, pH 6.0, unspecified; clear wavy boundary. Lab sample # 40A24154
    A12—5 to 20 centimeters (2.0 to 7.9 inches); very dark gray (10YR 3/1), dark gray (N 4/0), dry; clay; massive parts to coarse subangular blocky; very hard, very firm, moderately sticky, moderately plastic; 21.0 very fine and fine roots; 21.0 fine pores; fragments; moderately acid, pH 6.0, unspecified; clear wavy boundary. Lab sample # 40A24155
    A11G—20 to 63 centimeters (7.9 to 24.8 inches); black (10YR 2/1), dark gray (N 4/0), dry; clay; massive; extremely hard, extremely firm, moderately sticky, moderately plastic; 21.0 very fine and fine roots; 3.0 very fine and fine tubular pores; slickensides (pedogenic); fragments; moderately acid, pH 6.0, unspecified; gradual smooth boundary. Lab sample # 40A24156
    A12G—63 to 99 centimeters (24.8 to 39.0 inches); black (10YR 2/1), dark gray (N 4/0), dry; clay; 3 percent light gray (2.5Y 7/2) fine distinct mottles; massive; extremely hard, extremely firm, moderately sticky, moderately plastic; 21.0 very fine and fine roots; 3.0 very fine tubular pores; slickensides (pedogenic); fragments; moderately alkaline, pH 8.0, unspecified; gradual smooth boundary. Lab sample # 40A24157. quarter inch vertical cracks; part of this horizon has lime blotches.
    ACG—99 to 117 centimeters (39.0 to 46.1 inches); black (10YR 2/1), dark gray (N 4/0) and gray (N 5/0), dry; clay; 3 percent light gray (2.5Y 7/2) fine distinct mottles; extremely hard, extremely firm, very sticky, moderately plastic; 21.0 very fine roots; 3.0 very fine interstitial pores; slickensides (pedogenic); fragments; moderately alkaline, pH 8.0, unspecified; gradual smooth boundary. Lab sample # 40A24158. part of horizon has lime blotches.
    C1G—117 to 132 centimeters (46.1 to 52.0 inches); very dark grayish brown (10YR 3/2), gray (N 5/0), dry; clay; 3 percent light gray (2.5Y 7/2) fine distinct mottles; massive; very hard, extremely firm, very sticky, very plastic; 21.0 very fine and fine roots; 3.0 very fine and fine tubular pores; slickensides (pedogenic); fragments; moderately alkaline, pH 8.0, unspecified; gradual smooth boundary. Lab sample # 40A24159. occasional lime blotches.
    C2—132 to 152 centimeters (52.0 to 59.8 inches); dark grayish brown (2.5Y 4/2), light brownish gray (2.5Y 6/2), dry; clay; massive; hard when dry, extremely firm, moderately sticky, moderately plastic; 0.5 very fine roots; 3.0 very fine and fine tubular pores; slickensides (pedogenic); 1 percent iron-manganese concretions; 21 percent lime masses; fragments; moderately alkaline, pH 8.0, unspecified; clear smooth boundary. Lab sample # 40A24160. some coated with lime; large scattered lime blotches; a few shot sized (iron and manganese) concretions.
    C3—152 to 183 centimeters (59.8 to 72.0 inches); light olive gray (5Y 6/2), light gray (10YR 7/2) and white (10YR 8/1), dry; sandy clay; massive; slightly hard, firm, slightly sticky, slightly plastic; 3.0 very fine and fine interstitial and 0.5 fine tubular pores; 75 percent clay films in root channels and/or pores; iron-manganese concretions; fragments; slight effervescence; moderately alkaline, pH 8.0, unspecified; abrupt wavy boundary. Lab sample # 40A24161. disseminated lime throughout horizon; frequent shot sized (iron and manganese) concretions.
    2C4—183 to 213 centimeters (72.0 to 83.9 inches); light yellowish brown (2.5Y 6/4), light brownish gray (10YR 6/2) and very pale brown (10YR 8/2), dry; gravelly sand; 3 percent very dark gray (10YR 3/1) fine distinct mottles; massive; loose, firm, very weakly coherent, nonsticky, nonplastic; 21.0 very fine and fine interstitial pores; fragments; moderately alkaline, pH 8.0, unspecified. Lab sample # 40A24162. intermittent very weak cementation.