IDENTIFIERS

  • Current Taxon Name (Soil Name): Ahwahnee
  • OSD
  • Series Extent
  • User Site ID: S1967-CA-04-012x
  • User Pedon ID: 67-CA-04-012x
  • Vegetation Plot ID: S1967-CA-04-012x
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6704012
  • NCSS Pedon Lab Data NASIS Record ID - 42126
  • Print Date: 5/20/2024

    • 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: 39.5065193
  • Std. Longitude: -121.4017029
  • Datum: WGS84
  • Township: 19N
  • Range: 5E
  • Section: 15
  • PLSS Details: SE/4, NW/4
  • State: California
  • County: CA007—Butte
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA612—Butte Area, California, Parts of Butte and Plumas Counties
  • 7.5 Minute USGS Quad: 39121-E4—Oroville Dam, California

    • PEDON

  • Describers Name: BFS
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Ultic Argixerolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Ahwahnee
  • PSC - 30 to 51 cm.
  • Classificaton Date - 12/12/2018
  • Classifier - Andrew Brown
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - AUBERRY
  • Taxonomic Class - Fine-loamy, mixed, thermic Ultic Argixerolls
  • Classificaton Date - 1/23/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Drainage Class: well
  • Bedrock: diorite
  • Geology: Diorite. Geologic Formation: M formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/23/2009 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • 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

    CEANO

    Ceanothus

    ceanothus

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    —

    64 -

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

    mollic epipedon

    argillic horizon

    paralithic contact

    0—18

    30—51

    64—

    —18—

    —21—

    —-
    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

    13

    —

    —

    497

    —

    45

    1143

    —

    —

    16.7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; very stony loam; 50 percent sand; 36 percent silt; 13 percent clay; weak fine granular structure; nonsticky, nonplastic; 3.0 very fine roots throughout and 3.0 roots throughout; 3.0 medium tubular and 3.0 fine irregular and 3.0 fine tubular pores; 35 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # UCD01139
    AB—13 to 30 centimeters (5.1 to 11.8 inches); brown (10YR 5/3), dark brown (7.5YR 3/3), moist; loam; 49 percent sand; 35 percent silt; 16 percent clay; massive; nonsticky, nonplastic; 21.0 medium roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; fragments; moderately acid, pH 5.9; gradual boundary. Lab sample # UCD01140
    Bt—30 to 51 centimeters (11.8 to 20.1 inches); yellowish brown (10YR 5/4), dark brown (7.5YR 3/4), moist; gravelly loam; 46 percent sand; 35 percent silt; 19 percent clay; massive; slightly sticky, slightly plastic; 3.0 medium roots throughout and 0.5 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 15 percent by volume indurated 2-35-75 millimeter unspecified fragments; moderately acid, pH 5.9; gradual boundary. Lab sample # UCD01141
    BC—51 to 64 centimeters (20.1 to 25.2 inches); yellowish brown (10YR 5/6), reddish yellow (7.5YR 6/6), moist; loam; 47 percent sand; 34 percent silt; 19 percent clay; massive; moderately sticky, moderately plastic; fragments; moderately acid, pH 5.9; abrupt irregular boundary. Lab sample # UCD01142
    Cr—64 centimeters (25.2 inches); 48 percent sand; 38 percent silt; 14 percent clay; hard; fragments; moderately acid, pH 5.7. Lab sample # UCD01143