IDENTIFIERS

  • Current Taxon Name (Soil Name): BRANSCOMB
  • OSD
  • Series Extent
  • User Site ID: S1980CA045016
  • User Pedon ID: S1980CA045016
  • Vegetation Plot ID: S1980CA045016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 80P0447
  • NCSS Pedon Lab Data NASIS Record ID - 48223
  • Print Date: 11/28/2024
  • 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: 39.5272217
  • Std. Longitude: -123.7077789
  • Datum: WGS84
  • Township: 19N
  • Range: 17W
  • Section: 12
  • PLSS Details: 1300 feet south and 100 feet east of northwest 1/4 of NW 1/4
  • State: California
  • County: CA045—Mendocino
  • MLRA: 4B—Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA694—Mendocino County, Western Part, California
  • PEDON

  • Current Taxonomic Class: Loamy-skeletal, mixed Ultic Hapludalfs
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 16
  • Correlated Information:
  • Soil Name - BRANSCOMB
  • PSC - 25 to 75 cm.
  • Classificaton Date - 12/1/2005
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Usal
  • Taxonomic Class - Loamy-skeletal, mixed, isomesic Typic Argiudoll
  • Taxon Kind - variant
  • Classificaton Date - 11/14/1979
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: sandstone and/or mudstone
  • Landform: mountain
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/14/1979 (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

    LIDE3

    POCA25

    PSMEG

    SESE3

    Lithocarpus densiflorus

    Polystichum californicum

    Pseudotsuga menziesii var. glauca

    Sequoia sempervirens

    tanoak

    California swordfern

    Rocky Mountain Douglas-fir

    redwood

    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

    60

    152.4

    50

    O—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments.
    A1—5 to 30 centimeters (2.0 to 11.8 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; very gravelly loam; 29 percent clay; strong fine and medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots and 3.0 fine and medium roots and 3.0 coarse roots; 3.0 very fine and fine interstitial and 0.5 very fine tubular pores; 40 percent by volume 2-?-76 millimeter unspecified fragments; strongly acid, pH 5.5; clear wavy boundary. Lab sample # 80P02458; moist when described;
    Bt21—30 to 46 centimeters (11.8 to 18.1 inches); dark brown (10YR 3/3), pale brown (10YR 6/3), dry; very gravelly clay loam; 30 percent clay; strong fine and medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 0.5 very fine roots and 3.0 fine and medium roots; 3.0 very fine and fine interstitial and 0.5 very fine and fine tubular pores; 30 percent thin clay films on surfaces along pores and 30 percent thin very pale brown (10YR 7/3), dry, and yellowish brown (10YR 5/4), moist, sand coats on all faces of peds and 30 percent thin yellowish brown (10YR 5/4), moist, and very pale brown (10YR 7/3), dry, sand coats on all faces of peds; 35 percent by volume 2-?-76 millimeter unspecified fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # 80P02459; moist when described;
    Bt22—46 to 69 centimeters (18.1 to 27.2 inches); dark yellowish brown (10YR 4/4), very pale brown (10YR 7/3), dry; very gravelly clay loam; 35 percent clay; moderate fine and medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots and 3.0 fine and medium roots and 3.0 coarse roots; 3.0 very fine and fine interstitial and 0.5 very fine tubular pores; 30 percent thin clay films on all faces of peds and 30 percent thin clay films on surfaces along pores and 75 percent thin yellowish brown (10YR 5/4), moist, and very pale brown (10YR 7/3), dry, sand coats on surfaces along pores and 75 percent thin yellowish brown (10YR 5/4), moist, and very pale brown (10YR 7/3), dry, sand coats on all faces of peds; 30 percent by volume 2-?-76 millimeter unspecified fragments; very strongly acid, pH 4.5; gradual wavy boundary. Lab sample # 80P02460; moist when described;
    Bt23—69 to 91 centimeters (27.2 to 35.8 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; very gravelly clay loam; 32 percent clay; moderate medium and coarse subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 fine and medium roots; 0.5 very fine and fine interstitial pores; 30 percent thick clay films on all faces of peds and 30 percent thin clay films on surfaces along pores and 75 percent thin very pale brown (10YR 7/3), dry, and yellowish brown (10YR 5/4), moist, sand coats on all faces of peds and 75 percent thin very pale brown (10YR 7/3), dry, and yellowish brown (10YR 5/4), moist, sand coats on surfaces along pores; 50 percent by volume 2-?-76 millimeter unspecified fragments; extremely acid, pH 4.0; abrupt wavy boundary. Lab sample # 80P02461; moist when described;
    Bt24—91 to 132 centimeters (35.8 to 52.0 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; very gravelly clay loam; 32 percent clay; moderate medium and coarse subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 fine and medium roots; 0.5 very fine and fine interstitial pores; 30 percent thin clay films on surfaces along pores and 30 percent thick clay films on all faces of peds and 75 percent thin very pale brown (10YR 7/3), dry, and yellowish brown (10YR 5/4), moist, sand coats on all faces of peds and 75 percent thin very pale brown (10YR 7/3), dry, and yellowish brown (10YR 5/4), moist, sand coats on surfaces along pores; 50 percent by volume 2-?-76 millimeter unspecified fragments; very strongly acid, pH 4.5; abrupt wavy boundary. Lab sample # 80P02462; moist when described;
    R—132 to 145 centimeters (52.0 to 57.1 inches); bedrock; fragments. Lab sample # 80P02463