IDENTIFIERS

  • Current Taxon Name (Soil Name): Modoc
  • OSD
  • Series Extent
  • User Site ID: S1980CA093015
  • User Pedon ID: 80CA093015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 80P0458
  • NCSS Pedon Lab Data NASIS Record ID - 48234
  • Print Date: 11/21/2024

    • 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: 41.9215088
  • Std. Longitude: -121.9413834
  • Datum: WGS84
  • Township: 47N
  • Range: 1W
  • Section: 14
  • PLSS Details: 183 meters S and 467 meters W of the NE corner
  • Location Description: Butte Valley, SW of Dorris; 73 meters W of HWY 97
  • State: California
  • County: CA093—Siskiyou

    • PEDON

  • Describers Name: TAC/JJJ/TDC/OWB
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aridic Durixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Modoc
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Modoc
  • Classificaton Date - 8/1/1980
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: intermontane basin
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1980 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    3

    —

    —

    424

    —

    225

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    1A1—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) interior, moist; loam; moderate medium granular structure; slightly hard, friable, slightly sticky, moderately plastic; 5.5 very fine and fine roots; 2.5 very fine interstitial and tubular pores; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 80P02533. many very fine and fine roots
    1A2—8 to 30 centimeters (3.1 to 11.8 inches); grayish brown (10YR 5/2) interior, very dark grayish brown (10YR 3/2) interior, moist; loam; moderate fine and medium subangular blocky, and weak very fine platy structure; slightly hard, friable, slightly sticky, moderately plastic; 5.5 very fine and fine roots and 0.5 medium and coarse roots; 2.5 very fine interstitial and tubular pores; fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 80P02534. many very fine and fine roots; few medium and coarse roots
    1Bt1—30 to 53 centimeters (11.8 to 20.9 inches); light brownish gray (10YR 6/2) interior, dark grayish brown (10YR 4/2) interior, moist; clay loam; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 2.5 very fine and fine roots and 0.5 medium roots; 2.5 very fine and fine interstitial and tubular pores; 15 percent clay films on faces of peds; fragments; slightly alkaline, pH 7.8, hellige-truog; clear wavy boundary. Lab sample # 80P02535. Evidence of cicadia channels and chambers in the Bt horizons.; few clay films surface features on faces of peds; common very fine and fine roots; few medium roots
    1Bt2—53 to 83 centimeters (20.9 to 32.7 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; clay loam; weak fine and medium prismatic, and moderate fine and medium angular blocky structure; hard, firm, moderately sticky, slightly plastic; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial and tubular pores; 15 percent clay films on faces of peds and 55 percent clay films on faces of peds; fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary. Lab sample # 80P02536. few clay films surface features on faces of peds; many clay films surface features on faces of peds; few very fine and fine roots
    1Bqk1—86 to 107 centimeters (33.9 to 42.1 inches); light gray (10YR 7/2) interior and very pale brown (10YR 7/3) interior and light yellowish brown (10YR 6/4) interior, yellowish brown (10YR 5/4) interior and brown (10YR 4/3) interior, moist; unknown texture; moderate medium and coarse platy structure; silica present; top of horizon; 0.5 very fine tubular pores; 15 percent clay films on faces of peds and 55 percent skeletans in root channels and/or pores; fragments; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 80P02537. Roots matted in layers between plates. Some of the plates have thin opal llimainar caps. 10YR 5/6 and 5/4 dry oclor. Translucent coatngs of clay or silica.; many skeletans (sand or silt) surface features in root channels and/or pores; few clay films surface features on faces of peds
    1Bqk2—107 to 140 centimeters (42.1 to 55.1 inches); light gray (10YR 7/2) interior, brown (10YR 5/3) interior, moist; unknown texture; massive; extremely hard, very firm; fragments; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 80P02538
    2C3—140 to 152 centimeters (55.1 to 59.8 inches); light gray (10YR 7/2) interior, brown (10YR 5/3) interior, moist; sand; massive; loose, nonsticky, nonplastic; 2.5 very fine interstitial pores; fragments; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 80P02539