IDENTIFIERS

  • Current Taxon Name (Soil Name): Alviso
  • OSD
  • Series Extent
  • User Site ID: S1973CA001001
  • User Pedon ID: S1973CA001001
  • Vegetation Plot ID: S1973CA001001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 73C0020
  • NCSS Pedon Lab Data NASIS Record ID - 44654
  • Print Date: 12/11/2024

    • LOCATION

  • Township: 4S
  • Range: 3W
  • PLSS Details: approximately 8,550 feet south and 3,250 feet west of the NE corner
  • State: California
  • County: CA001—Alameda
  • 7.5 Minute USGS Quad: 37122-E2—Redwood Point, California

    • PEDON

  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Alviso
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/21/1973
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/21/1973 (actual site observation date)
  • Surface Cover Properties:
  • 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

    SALIC

    Salicornia

    pickleweed

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    —

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

    5/21/1973

    5/21/1973

    90

    43

    —

    —

    12

    14
    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

    0

    —

    —

    0

    —

    —

    —

    —

    —

    —

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    A1—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (2.5Y 4/2) silty clay loam; 3 percent dark red (2.5YR 3/6) medium prominent mottles; moderate coarse platy structure; friable, moderately sticky, moderately plastic; 21.0 medium roots and 21.0 fine roots and 21.0 coarse roots; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # 73C00137
    B21—10 to 26 centimeters (3.9 to 10.2 inches); dark olive gray (5Y 3/2) silty clay; 3 percent reddish brown (5YR 4/4) medium prominent mottles; weak coarse prismatic parts to weak coarse angular blocky structure; friable, moderately sticky, moderately plastic; 21.0 medium roots and 21.0 fine roots and 0.5 coarse roots; 0.5 fine tubular pores; fragments; moderately acid, pH 6.0; gradual smooth boundary. Lab sample # 73C00138
    B22—26 to 42 centimeters (10.2 to 16.5 inches); dark gray (5Y 4/1) silty clay; 3 percent strong brown (7.5YR 5/6) medium prominent and 3 percent 5Y 4/6 (5Y 4/6) medium prominent mottles; weak coarse prismatic parts to moderate coarse angular blocky structure; friable, moderately sticky, moderately plastic; 21.0 fine roots; 0.5 fine tubular pores; fragments; moderately acid, pH 6.0; gradual smooth boundary. Lab sample # 73C00139
    B23—42 to 69 centimeters (16.5 to 27.2 inches); very dark grayish brown (10YR 3/2) silty clay; 1 percent strong brown (7.5YR 5/6) coarse prominent mottles; moderate medium angular blocky, and moderate fine angular blocky structure; friable, moderately sticky, moderately plastic; 3.0 fine roots; 0.5 fine tubular pores; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # 73C00140
    C1—69 to 90 centimeters (27.2 to 35.4 inches); very dark gray (N 3/0) silty clay loam; 1 percent strong brown (7.5YR 5/6) fine prominent mottles; massive; friable, moderately sticky, moderately plastic; 0.5 fine roots; strong brown (7.5YR 5/8), moist, on surfaces along pores; fragments; very strongly acid, pH 4.5; abrupt smooth boundary. Lab sample # 73C00141
    C2—90 to 130 centimeters (35.4 to 51.2 inches); black (N 2/0) silty clay loam; massive; firm, moderately sticky, moderately plastic; yellowish red (5YR 5/8), moist, on vertical faces of peds; fragments; moderately alkaline, pH 8.0. Lab sample # 73C00142
    C3—130 to 170 centimeters (51.2 to 66.9 inches); black (N 2/0) silty clay loam; massive; firm, moderately sticky, moderately plastic; yellowish red (5YR 5/8), moist, on vertical faces of peds; fragments; moderately alkaline, pH 8.0. Lab sample # 73C00143