IDENTIFIERS

  • Current Taxon Name (Soil Name): Cohasset
  • OSD
  • Series Extent
  • User Site ID: S2000CA091001
  • User Pedon ID: S2000CA091001
  • Vegetation Plot ID: S2000CA091001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 01N0617
  • NCSS Pedon Lab Data NASIS Record ID - 14579
  • Print Date: 12/17/2024

    • 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: 39.5388870
  • Std. Longitude: -121.0458298
  • Datum: WGS84
  • Location Description: In plot #6, control.
  • State: California
  • County: CA091—Sierra
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains

    • PEDON

  • Describers Name: BFS
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Cohasset
  • Classificaton Date - 8/8/2000
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: lahar
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/8/2000 (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

    CEIN3

    CORNU

    QUVE

    Ceanothus integerrimus

    Cornus

    Quercus velutina

    deerbrush

    dogwood

    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

    11

    —

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    1119

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    225

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    O1—0 to 4 centimeters (0.0 to 1.6 inches); fragments. Lab sample # 01N03784
    O2—4 to 10 centimeters (1.6 to 3.9 inches); fragments.
    A—10 to 20 centimeters (3.9 to 7.9 inches); dark reddish brown (5YR 3/2), reddish brown (5YR 4/3), dry; loam; 20 percent clay; strong fine and medium granular structure; soft, very friable, nonsticky, slightly plastic; 2.0 medium roots and 3.0 fine and medium roots; 3.0 very fine and medium pores; 5 percent by volume 2-?-75 millimeter unspecified fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # 01N03783
    Bt1—20 to 43 centimeters (7.9 to 16.9 inches); reddish brown (5YR 4/4) and reddish brown (5YR 5/4) clay loam; 28 percent clay; strong very fine and fine subangular blocky, and moderate medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 2.0 medium roots; 3.0 very fine and fine and 1.0 fine and medium tubular pores; 3 percent by volume 2-?-75 millimeter unspecified fragments; very strongly acid, pH 5.0, bromcresol green; clear smooth boundary. Lab sample # 01N03784
    Bt2—43 to 107 centimeters (16.9 to 42.1 inches); 2.5YR 4/5 (2.5YR 4/5), red (2.5YR 5/6), dry; clay loam; 36 percent clay; moderate fine and medium subangular blocky structure; hard, firm, moderately sticky, slightly plastic; 2.0 very fine and fine roots and 1.0 medium and coarse roots; 2.0 fine and medium tubular and 1.0 coarse tubular pores; 3 percent by volume 2-?-75 millimeter unspecified fragments; very strongly acid, pH 4.9, bromcresol green; gradual wavy boundary. Lab sample # 01N03785
    Bt3—107 to 136 centimeters (42.1 to 53.5 inches); 5YR 4/5 (5YR 4/5), yellowish red (5YR 5/6), dry; clay loam; 38 percent clay; moderate fine and medium subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 1.0 medium roots and 1.0 fine and medium roots; 2.0 fine and medium tubular pores; fragments; very strongly acid, pH 4.8, bromcresol green; clear wavy boundary. Lab sample # 01N03786
    Bt4—136 to 164 centimeters (53.5 to 64.6 inches); strong brown (7.5YR 4/6), 7.5YR 5/5 (7.5YR 5/5), dry; clay loam; 38 percent clay; weak medium and coarse subangular blocky structure; very hard, very firm, moderately sticky, slightly plastic; 1.0 fine and medium roots; 1.0 very fine and fine tubular pores; 2 percent by volume 75-?-250 millimeter unspecified fragments and 5 percent by volume 2-?-75 millimeter unspecified fragments; very strongly acid, pH 4.8, bromcresol green; clear wavy boundary. Lab sample # 01N03787
    B5—164 to 190 centimeters (64.6 to 74.8 inches); strong brown (7.5YR 4/6), strong brown (7.5YR 5/6), dry; clay loam; 29 percent clay; weak medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 1.0 medium roots; 1.0 very fine and fine tubular pores; 2 percent by volume 2-?-75 millimeter unspecified fragments and 2 percent by volume 75-?-250 millimeter unspecified fragments; very strongly acid, pH 4.6, bromcresol green; clear wavy boundary. Lab sample # 01N03788
    C—190 to 220 centimeters (74.8 to 86.6 inches); massive; hard, friable; 1.0 fine and medium tubular pores; fragments; very strongly acid, pH 4.6, bromcresol green. Lab sample # 01N03789