IDENTIFIERS

  • Current Taxon Name (Soil Name): BARNARD
  • OSD
  • Series Extent
  • User Site ID: S1972CA049014
  • User Pedon ID: S1972CA049014
  • Vegetation Plot ID: S1972CA049014
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 72C0107
  • NCSS Pedon Lab Data NASIS Record ID - 44041
  • Print Date: 11/13/2024

    • 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: 41.5638885
  • Std. Longitude: -120.4561081
  • Datum: WGS84
  • Township: 43N
  • Range: 13E
  • Section: 27
  • PLSS Details: The following profile is located 950 feet south and 240 feet east of North 1/4 corner
  • Location Description: Modoc County, California. Between ranch fence and State Highway 299.
  • State: California
  • County: CA049—Modoc
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: CA603—Modoc County, California, Alturas Area

    • PEDON

  • Current Taxonomic Class: Fine, montmorillonitic Aridic Durixerolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 14
  • Correlated Information:
  • Soil Name - BARNARD
  • PSC - 18 to 56 cm.
  • Classificaton Date - 8/13/2002
  • Moisture Class - aridic (torric)
  • Sampled As Information:
  • Soil Name - Barnard
  • Classificaton Date - 6/1/1972
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: old lake terrace
  • Slope Position: middle third
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1972 (actual site observation date)
  • Air Photo ID: 15DD-87
  • 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

    AGROP2

    ARTR2

    BRASS2

    BRTE

    Agropyron

    Artemisia tridentata

    Brassica

    Bromus tectorum

    wheatgrass

    big sagebrush

    mustard

    cheatgrass

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    duripan

    argillic horizon

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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

    7

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    1377.7

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    0

    305

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    9

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    A11—0 to 5 centimeters (0.0 to 2.0 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; loam; weak medium platy, and weak coarse platy structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine tubular and 3.0 very fine interstitial pores; fragments; neutral, pH 6.8; clear smooth boundary. Lab sample # 72C00628
    A12—5 to 18 centimeters (2.0 to 7.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots; 0.5 very fine tubular and 3.0 very fine interstitial pores; fragments; neutral, pH 6.8; gradual smooth boundary. Lab sample # 72C00629
    B1T—18 to 25 centimeters (7.1 to 9.8 inches); brown (7.5YR 4/2), dark brown (7.5YR 3/2), moist; clay loam; strong medium angular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots and 3.0 very fine roots between peds; 0.5 very fine interstitial and 3.0 very fine tubular pores; 10 percent clay films on surfaces along pores and 30 percent clay films between sand grains and 30 percent clay films on all faces of peds; fragments; slightly acid, pH 6.5; gradual smooth boundary. Lab sample # 72C00630
    B2T—25 to 56 centimeters (9.8 to 22.0 inches); dark reddish gray (5YR 4/2), dark reddish gray (5YR 4/2), moist; clay; strong medium prismatic parts to strong medium angular blocky structure; very hard, very friable, moderately sticky, very plastic; 3.0 very fine roots between peds; 0.5 very fine tubular pores; 10 percent slickensides (pedogenic) and 30 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores and 75 percent clay films between sand grains and 75 percent pressure faces; fragments; neutral, pH 7.0; gradual wavy boundary. Lab sample # 72C00631
    C1—56 to 92 centimeters (22.0 to 36.2 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; cobbly clay loam; massive; hard, very friable, moderately sticky, moderately plastic; 0.5 very fine interstitial pores; 10 percent clay films between sand grains; carbonate masses; 25 percent by volume 2-?-250 millimeter unspecified fragments; slight effervescence; slightly alkaline, pH 7.8; clear wavy boundary. Lab sample # 72C00632
    C2SIM—92 to 120 centimeters (36.2 to 47.2 inches); brown (7.5YR 5/4), brown (7.5YR 5/4), moist; cobbly sandy clay loam; massive; very firm, strongly coherent by silica; 3.0 very fine interstitial pores; silica coats between sand grains and silica coats on surfaces along pores; opal around rock fragments; 20 percent by volume 2-?-250 millimeter unspecified fragments; slightly alkaline, pH 7.5; abrupt smooth boundary. Lab sample # 72C00633
    C3SIM—120 to 173 centimeters (47.2 to 68.1 inches); light brown (7.5YR 6/4), brown (7.5YR 5/4), moist; 3 percent reddish yellow (7.5YR 6/6) medium distinct and 3 percent brown (7.5YR 4/4) medium distinct mottles; massive; very firm; opal around rock fragments; 20 percent by volume 2-?-250 millimeter unspecified fragments; slightly alkaline, pH 7.5. Lab sample # 72C00634