IDENTIFIERS

  • Current Taxon Name (Soil Name): Tonnor
  • OSD
  • Series Extent
  • User Site ID: 08CA605033
  • User Pedon ID: 08CA605033
  • Vegetation Plot ID: 08CA605033
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0448
  • NCSS Pedon Lab Data NASIS Record ID - 24051
  • Print Date: 2/16/2025

    • 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: 41.0802778
  • Std. Longitude: -123.6949722
  • Datum: WGS84
  • Location Description: Hoopa Valley; Humboldt County, California.
  • Map Unit: 166—Tonnor, 2 to 9 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-A6—Hoopa, California

    • PEDON

  • Describers Name: Alaina Frazier and Jonathan Hooper
  • Current Taxonomic Class: Coarse-loamy, mixed, active, thermic Fluventic Dystroxerepts
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 833
  • Correlated Information:
  • Soil Name - Tonnor
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/20/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tonnor
  • Classificaton Date - 4/16/2008
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty alluvium derived from mixed
  • Landscape: alluvial plain
  • Landform: terrace
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: mixed
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/16/2008 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Air Temp - 25
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    2GA

    —

    Grass, annual

    —

    —

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

    ochric epipedon

    cambic horizon

    0—37

    37—130

    —37—

    —93—
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    4/16/2008

    50

    —

    14
    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

    —

    —

    114

    —

    230

    1524

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 17 centimeters (0.0 to 6.7 inches); light yellowish brown (2.5Y 6/3) broken face, dark grayish brown (2.5Y 4/2) broken face, moist; silt loam; 24 percent clay; weak fine subangular blocky, and weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 4.0 very fine roots and 2.0 fine roots; 3.0 very fine tubular and 1.0 very fine irregular and 2.0 fine tubular pores; fragments; moderately acid, pH 5.8, pH indicator strip; gradual smooth boundary.; moist when described; observed in pit, small
    Ap2—17 to 37 centimeters (6.7 to 14.6 inches); light yellowish brown (2.5Y 6/3) broken face, dark grayish brown (2.5Y 4/2) broken face, moist; silt loam; 24 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 4.0 very fine roots and 0.5 fine roots; 2.0 very fine irregular and 2.0 very fine tubular and 2.0 fine tubular pores; fragments; moderately acid, pH 5.6, pH indicator strip; gradual smooth boundary.; moist when described; observed in pit, small
    BA—37 to 63 centimeters (14.6 to 24.8 inches); light yellowish brown (2.5Y 6/3) broken face, olive brown (2.5Y 4/3) broken face, moist; silt loam; 25 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 2.0 very fine roots; 1.0 very fine tubular and 1.0 fine irregular pores; fragments; moderately acid, pH 5.7, pH indicator strip; gradual smooth boundary.; moist when described; observed in pit, small
    Bw1—63 to 98 centimeters (24.8 to 38.6 inches); pale yellow (2.5Y 7/3) broken face, light olive brown (2.5Y 5/3) broken face, moist; silty clay loam; 28 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; moderate permeability; low excavation difficulty; 2.0 very fine roots; 1.0 very fine irregular and 1.0 very fine tubular and 1.0 fine tubular pores; fragments; moderately acid, pH 5.9, pH indicator strip; clear wavy boundary.; moist when described; observed in pit, small
    Bw2—98 to 130 centimeters (38.6 to 51.2 inches); pale yellow (2.5Y 7/3) broken face, light olive brown (2.5Y 5/3) broken face, moist; silty clay loam; 31 percent clay; weak medium subangular blocky structure; moderately hard, firm, slightly sticky, moderately plastic; moderately slow permeability; low excavation difficulty; 2.0 very fine roots; 2.0 very fine irregular pores; fragments; moderately acid, pH 5.9, pH indicator strip; clear wavy boundary.; moist when described; observed in pit, small
    C—130 to 175 centimeters (51.2 to 68.9 inches); pale yellow (2.5Y 7/3) broken face, light olive brown (2.5Y 5/3) broken face, moist; silty clay loam; 33 percent clay; massive; moderately hard, firm, slightly sticky, moderately plastic; moderately slow permeability; low excavation difficulty; 1.0 very fine irregular pores; fragments; moderately acid, pH 6.0, pH indicator strip.; moist when described; observed in pit, small