IDENTIFIERS

  • Current Taxon Name (Soil Name): Willows (by polygons)
  • OSD
  • Series Extent
  • User Site ID: 93CA011006B
  • User Pedon ID: 93CA011006B
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 94P0062
  • 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: 39.2097222
  • Std. Longitude: -122.0647222
  • Datum: WGS84
  • Location Description: 3 miles west of the town of Colusa, CA. 2200 feet north and 2250 feet west of the southeast corner, Section 27, T.16N., R.2W.
  • Map Unit: 104—Willows silty clay, 0 to 1 percent slopes, frequently flooded
  • State: California
  • County: CA011—Colusa
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Non-MLRA Soil Survey Area: CA011—Colusa County, California
  • 7.5 Minute USGS Quad: 39122-B1—Colusa, California

    • PEDON

  • Describers Name: Dean Burkett and Joe Jahnke
  • Current Taxonomic Class: Fine, smectitic, thermic Aquic Haploxererts
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Willows (by polygons)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/9/2005
  • Soil Taxonomic Edition - seventh edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Wekoda (by polygons)
  • Classificaton Date - 9/24/1993
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: basin
  • Landform: flood plain
  • Anthropogenic Feature: leveled land
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/24/1993 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • 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

    —

    —

    47

    —

    180

    170

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    Colusa

    —
    Bss2—48 to 61 centimeters (18.9 to 24.0 inches); light olive brown (2.5Y 5/3), dark grayish brown (2.5Y 4/2), moist; clay, silty clay; 55 percent clay; 1 percent strong brown (7.5YR 4/6) fine prominent irregular and 1 percent brown (7.5YR 4/4) fine prominent irregular mottles; moderate medium prismatic parts to moderate medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 5.0 very fine roots throughout; 0.5 very fine low-continuity discontinuous tubular pores; 50 percent prominent slickensides (pedogenic) on faces of peds; 8 percent fine and medium irregular noncoherent cemented very pale brown (10YR 8/2) gypsum masses throughout; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 94P0537; observed in trench. Polygon #47.; continuous - phpvsfiid 207429; continuous - phpvsfiid 207429
    Bssy1—60 to 86 centimeters (23.6 to 33.9 inches); light olive brown (2.5Y 5/3), dark grayish brown (2.5Y 4/2), moist; silty clay; 48 percent clay; moderate medium prismatic parts to moderate fine angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity discontinuous tubular pores; 60 percent prominent slickensides (pedogenic) on faces of peds; carbonate masses and fine and medium irregular noncoherent cemented gypsum threads throughout; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 94P0535; observed in trench. Polygon #45.; continuous - phpvsfiid 207427; continuous - phpvsfiid 207427
    Bssy1—61 to 90 centimeters (24.0 to 35.4 inches); brown (10YR 5/3) broken face, dark grayish brown (2.5Y 4/2) broken face, moist; silty clay; 50 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 3.0 very fine moderate-continuity discontinuous tubular pores; 50 percent prominent dark grayish brown (10YR 4/2), moist, slickensides (pedogenic) on faces of peds; 1 percent fine spherical extremely weakly coherent cemented iron-manganese concretions throughout; carbonate masses and 15 percent fine threadlike noncoherent cemented very pale brown (10YR 8/2) gypsum threads throughout and 10 percent fine and medium irregular noncoherent cemented very pale brown (10YR 8/2) gypsum masses throughout; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 94P0538; observed in trench. Polygon #48.; continuous - phpvsfiid 207430; continuous - phpvsfiid 207430
    Bssy2—86 to 135 centimeters (33.9 to 53.1 inches); light olive brown (2.5Y 5/3), olive brown (2.5Y 4/3), moist; clay; 55 percent clay; 1 percent dark olive gray (5Y 3/2) fine dendritic mottles; moderate medium prismatic parts to moderate medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity discontinuous tubular pores; 60 percent prominent slickensides (pedogenic) on faces of peds; 8 percent fine and medium irregular noncoherent cemented very pale brown (10YR 8/2) gypsum masses throughout and 10 percent fine and medium irregular noncoherent cemented very pale brown (10YR 8/2) gypsum threads throughout; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 94P0536; observed in trench. Polygon #46.; continuous - phpvsfiid 207428; continuous - phpvsfiid 207428
    Bssy3—107 to 147 centimeters (42.1 to 57.9 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; silty clay; 50 percent clay; 1 percent dark olive gray (5Y 3/2) fine mottles; moderate fine angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity discontinuous tubular pores; 60 percent prominent slickensides (pedogenic) on faces of peds; carbonate masses and fine and medium irregular noncoherent cemented gypsum threads throughout; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 94P0534; observed in trench. Polygon #44.; continuous - phpvsfiid 207426; continuous - phpvsfiid 207426
    Bssy3—125 to 155 centimeters (49.2 to 61.0 inches); light olive brown (2.5Y 5/3) broken face, olive brown (2.5Y 4/3) broken face, moist; silty clay; 50 percent clay; 5 percent olive gray (5Y 5/2) fine and medium prominent irregular mottles; moderate medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 15.0 very fine low-continuity continuous tubular pores; 60 percent prominent brown (10YR 4/3), moist, slickensides (pedogenic) on faces of peds; 1 percent fine spherical extremely weakly coherent cemented iron-manganese concretions throughout; 10 percent fine threadlike noncoherent cemented very pale brown (10YR 8/2) gypsum threads throughout and 15 percent fine and medium irregular noncoherent cemented very pale brown (10YR 8/2) gypsum crystal clusters throughout and 15 percent medium platy noncoherent cemented very pale brown (10YR 8/2) gypsum crystals, unspecified throughout; fragments; slight effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # 94P0539; observed in trench. Polygon #49.; continuous - phpvsfiid 207431; continuous - phpvsfiid 207431
    Bssy4—155 to 190 centimeters (61.0 to 74.8 inches); brown (10YR 5/3) broken face, brown (10YR 4/3) broken face, moist; silty clay; 50 percent clay; 5 percent olive gray (5Y 5/2) fine and medium prominent irregular mottles; moderate medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 5.0 very fine low-continuity discontinuous tubular pores; 50 percent prominent brown (10YR 4/3), moist, slickensides (pedogenic) on faces of peds; 1 percent fine spherical extremely weakly coherent cemented iron-manganese concretions throughout; 20 percent fine threadlike noncoherent cemented very pale brown (10YR 8/2) gypsum threads throughout and 15 percent fine and medium irregular noncoherent cemented very pale brown (10YR 8/2) gypsum crystal clusters throughout and 15 percent medium and coarse platy moderately coherent cemented very pale brown (10YR 8/2) gypsum crystals, unspecified throughout; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 94P0540; observed in trench. Polygon #50.; continuous - phpvsfiid 207432; continuous - phpvsfiid 207432
    Bss—190 to 220 centimeters (74.8 to 86.6 inches); fragments. Lab sample # 94P0541; observed in trench. Polygon #51.