IDENTIFIERS

  • Current Taxon Name (Soil Name): Tossup
  • OSD
  • Series Extent
  • User Site ID: 03CA605REDW066
  • User Pedon ID: 03CA605REDW066
  • Vegetation Plot ID: 03CA605REDW066
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 04N0745
  • NCSS Pedon Lab Data NASIS Record ID - 16605
  • Print Date: 11/24/2024

    • 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: 41.0034444
  • Std. Longitude: -123.8163889
  • Datum: WGS84
  • Township: 7N
  • Range: 3E
  • Section: 10
  • PLSS Details: southeast quarter of southeast quarter
  • Location Description: Logging road; Beaver Ridge; Lacks Creek Watershed; cutbank.
  • Map Unit: 462—Mooncreek-Noisy-Tossup complex, 9 to 30 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 5—Siskiyou-Trinity Area
  • Non-MLRA Soil Survey Area: CA605—Humboldt and Del Norte Area, California
  • 7.5 Minute USGS Quad: 41123-A7—Hupa Mountain, California

    • PEDON

  • Describers Name: Joe Seney
  • Current Taxonomic Class: Fine, mixed, semiactive, mesic Xeric Palehumults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 366
  • Correlated Information:
  • Soil Name - Tossup
  • PSC - 20 to 70 cm.
  • Classificaton Date - 3/5/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tossup
  • Classificaton Date - 7/21/2003
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from mudstone
  • Landscape: mountains
  • Landform: mountain slope, swale
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: shoulder
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: mudstone
  • Geology: Coyote Creek Unit member of the Franciscan Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/21/2003 (actual site observation date)
  • Air Photo ID: 6248-53
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Air Temp - 28
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    2MOSS

    ACMA3

    FRAGA

    LIDE3

    MANE2

    POMU

    PSME

    —

    Acer macrophyllum

    Fragaria

    Lithocarpus densiflorus

    Mahonia nervosa

    Polystichum munitum

    Pseudotsuga menziesii

    Moss

    bigleaf maple

    strawberry

    tanoak

    Cascade barberry

    western swordfern

    Douglas-fir

    —

    —

    —

    —

    —

    —

    —

    —

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

    ochric epipedon

    argillic horizon

    aquic conditions

    0—20

    20—200

    105—200

    —20—

    —180—

    —95—
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    7/21/2003

    50

    —

    18
    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

    25

    —

    —

    900

    —

    20

    2300

    —

    275

    11

    14

    7

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (10YR 3/3) broken face, pale brown (10YR 6/3) broken face, dry; gravelly loam; 26 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; moderate excavation difficulty; 4.0 very fine roots and 1.0 medium roots and 4.0 fine roots; 4.0 very fine tubular and 3.0 very fine interstitial and 3.0 fine interstitial and 4.0 fine tubular pores; 35 percent by volume 2-38-75 millimeter mixed fragments; noneffervescent; strongly acid, pH 5.4, pH indicator strip; clear smooth boundary. Lab sample # 04N04248; dry when described; observed in cut
    Bt1—20 to 40 centimeters (7.9 to 15.7 inches); brown (7.5YR 4/4) broken face, light yellowish brown (10YR 6/4) broken face, dry; clay loam; 33 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; moderate permeability; moderate excavation difficulty; 2.0 very fine roots and 2.0 fine roots; 3.0 very fine tubular and 0.5 medium tubular and 2.0 fine tubular and 0.5 coarse tubular pores; 30 percent distinct clay films on all faces of peds; 7 percent by volume 2-38-75 millimeter mixed fragments; noneffervescent; strongly acid, pH 5.4, pH indicator strip; clear wavy boundary. Lab sample # 04N04249; dry when described; observed in cut
    Bt2—40 to 55 centimeters (15.7 to 21.7 inches); brown (7.5YR 4/4) broken face, light yellowish brown (10YR 6/4) broken face, dry; clay loam; 38 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; moderately hard, firm, moderately sticky, very plastic; moderately slow permeability; moderate excavation difficulty; 2.0 very fine roots and 1.0 medium roots and 2.0 fine roots and 1.0 coarse roots; 2.0 very fine tubular and 1.0 fine tubular pores; 60 percent distinct clay films on all faces of peds; 7 percent by volume 2-38-75 millimeter mixed fragments; noneffervescent; strongly acid, pH 5.2, pH indicator strip; clear wavy boundary. Lab sample # 04N04250; moist when described; observed in cut
    Bt3—55 to 105 centimeters (21.7 to 41.3 inches); yellowish brown (10YR 5/4) broken face, light yellowish brown (2.5Y 6/4) broken face, dry; clay; 40 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; hard, very firm, moderately sticky, very plastic; slow permeability; moderate excavation difficulty; 0.5 very fine roots and 0.5 fine roots; 0.5 very fine interstitial and 1.0 very fine tubular and 0.5 fine interstitial and 1.0 fine tubular pores; 75 percent distinct clay films on all faces of peds; 3 percent by volume 2-38-75 millimeter mixed fragments; noneffervescent; strongly acid, pH 5.2, pH indicator strip; gradual wavy boundary. Lab sample # 04N04251; moist when described; observed in cut
    Bt4—105 to 152 centimeters (41.3 to 59.8 inches); yellowish brown (10YR 5/4) broken face, light yellowish brown (2.5Y 6/4) broken face, dry; clay; 42 percent clay; weak coarse subangular blocky, and weak medium subangular blocky structure; hard, very firm, moderately sticky, very plastic; slow permeability; moderate excavation difficulty; 0.5 very fine roots and 1.0 medium roots; 0.5 very fine interstitial and 0.5 very fine tubular and 0.5 fine interstitial and 0.5 fine tubular pores; 50 percent distinct clay films on all faces of peds; 1 percent fine distinct irregular dark grayish brown (2.5Y 4/2), moist, iron depletions with diffuse boundaries throughout and 1 percent fine distinct irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries throughout; 5 percent by volume 2-38-75 millimeter mixed fragments; noneffervescent; very strongly acid, pH 5.0, pH indicator strip; gradual wavy boundary. Lab sample # 04N04252; moist when described; observed in cut
    Bt5—152 to 200 centimeters (59.8 to 78.7 inches); yellowish brown (10YR 5/4) broken face, light yellowish brown (2.5Y 6/4) broken face, dry; clay; 45 percent clay; weak coarse subangular blocky, and weak medium subangular blocky structure; hard, very firm, moderately sticky, very plastic; slow permeability; moderate excavation difficulty; 0.5 very fine interstitial and 0.5 very fine tubular and 0.5 fine interstitial and 0.5 fine tubular pores; 30 percent distinct clay films on all faces of peds; 1 percent fine distinct irregular dark grayish brown (2.5Y 4/2), moist, iron depletions with diffuse boundaries throughout and 1 percent fine distinct irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with diffuse boundaries throughout; 10 percent by volume 2-38-75 millimeter mixed fragments; noneffervescent; very strongly acid, pH 5.0, pH indicator strip. Lab sample # 04N04253; moist when described; observed in cut