IDENTIFIERS

  • Current Taxon Name (Soil Name): Kerr
  • OSD
  • Series Extent
  • User Site ID: 08CA605064
  • User Pedon ID: 08CA605064
  • Vegetation Plot ID: 08CA605064
  • Transect:
  • Transect Stop Number - 901
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0580
  • NCSS Pedon Lab Data NASIS Record ID - 20268
  • Print Date: 11/26/2024

    • 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: 41.2904722
  • Std. Longitude: -124.0594167
  • Datum: WGS84
  • Township: 11N
  • Range: 1W
  • Section: 33
  • Location Description: Orick Valley; field southwest of NPS South Operations Building
  • Map Unit: 199—Kerr, 0 to 2 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4—California Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA605—Humboldt and Del Norte Area, California
  • 7.5 Minute USGS Quad: 41124-C1—Orick, California

    • PEDON

  • Describers Name: Joe Seney
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, acid, mesic Typic Fluvaquents
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 864
  • Correlated Information:
  • Soil Name - Kerr
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/17/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Kerr
  • Classificaton Date - 6/11/2008
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from mixed lithologies
  • Landscape: alluvial plain
  • Landform: flood plain
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: rare flooding for brief periods begining in dec
  • Ponding: none ponding
  • Bedrock: mixed
  • Geology: Alluvium formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/11/2008 (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 - other grass/herbaceous cover
  • 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

    AGROS2

    ANOD

    FESTU

    HOLA

    POPR

    Agrostis

    Anthoxanthum odoratum

    Festuca

    Holcus lanatus

    Poa pratensis

    bentgrass

    sweet vernalgrass

    fescue

    common velvetgrass

    Kentucky bluegrass

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

    ochric epipedon

    aquic conditions

    episaturation

    0—18

    31—44

    31—109

    —18—

    —13—

    —78—
    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

    —

    —

    9

    —

    200

    1750

    —

    315

    12

    13

    10

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    —

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (2.5Y 3/1) broken face, gray (2.5Y 6/1) broken face, dry; silt loam; 21 percent clay; weak medium granular, and moderate very fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; moderate permeability; 4.0 very fine roots throughout and 4.0 fine roots throughout; 2.0 very fine irregular and 2.0 very fine tubular and 2.0 fine irregular and 2.0 fine tubular pores; fragments; noneffervescent; strongly acid, pH 5.2, pH indicator strip; clear smooth boundary.; moist when described; observed in pit, small
    C—18 to 31 centimeters (7.1 to 12.2 inches); very dark gray (2.5Y 3/1) broken face, gray (2.5Y 6/1) broken face, dry; stratified stratified very fine sandy loam; 10 percent clay; structureless massive; soft, very friable, nonsticky, slightly plastic; moderate permeability; 2.0 very fine roots throughout and 1.0 fine roots throughout; 1.0 very fine tubular and 1.0 medium tubular and 1.0 fine tubular pores; 15 percent fine prominent irregular noncoherent cemented yellowish brown (10YR 5/4), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels; fragments; noneffervescent; strongly acid, pH 5.2, pH indicator strip; clear smooth boundary.; moist when described; observed in pit, small
    Ab—31 to 44 centimeters (12.2 to 17.3 inches); dark olive gray (5Y 3/2) broken face, olive gray (5Y 5/2) broken face, dry; silt loam; 18 percent clay; moderate medium subangular blocky, and moderate very fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 3.0 very fine roots throughout and 2.0 fine roots throughout; 2.0 very fine irregular and 2.0 very fine tubular pores; 10 percent fine prominent irregular noncoherent cemented yellowish brown (10YR 5/4), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels and 20 percent medium faint irregular noncoherent cemented dark gray (5Y 4/1), moist, iron depletions with diffuse boundaries in matrix; fragments; noneffervescent; very strongly acid, pH 5.0, pH indicator strip; clear smooth boundary.; moist when described; observed in pit, small
    C'—44 to 74 centimeters (17.3 to 29.1 inches); dark olive gray (5Y 3/2) broken face, olive gray (5Y 5/2) broken face, dry; very fine sandy loam; 14 percent clay; structureless massive; slightly hard, friable, nonsticky, slightly plastic; moderate permeability; 2.0 very fine roots throughout and 2.0 fine roots throughout; 1.0 very fine irregular and 2.0 very fine tubular pores; 5 percent fine prominent irregular noncoherent cemented yellowish brown (10YR 5/4), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels; fragments; noneffervescent; very strongly acid, pH 5.0, pH indicator strip; gradual smooth boundary.; moist when described; observed in pit, small
    A'b—74 to 109 centimeters (29.1 to 42.9 inches); dark olive gray (5Y 3/2) broken face, olive gray (5Y 5/2) broken face, dry; silt loam; 17 percent clay; weak medium subangular blocky, and weak very fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very fine roots throughout and 1.0 fine roots throughout; 1.0 very fine irregular and 2.0 fine tubular pores; 3 percent fine prominent irregular noncoherent cemented yellowish brown (10YR 5/4), moist, iron-manganese masses with diffuse boundaries on surfaces along root channels; fragments; noneffervescent; very strongly acid, pH 5.0, pH indicator strip; clear smooth boundary.; moist when described; observed in auger, bucket
    C'1—109 to 134 centimeters (42.9 to 52.8 inches); dark gray (5Y 4/1) broken face, gray (5Y 6/1) broken face, dry; very fine sandy loam; 14 percent clay; structureless massive; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout and 0.5 fine roots throughout; 1.0 very fine irregular and 1.0 fine tubular pores; 100 percent dark gray (10YR 4/1), moist, and gray (N 5/), dry, reduced matrix in matrix; fragments; noneffervescent; very strongly acid, pH 5.0, pH indicator strip; gradual smooth boundary.; moist when described; observed in auger, bucket
    C'2—134 to 152 centimeters (52.8 to 59.8 inches); dark gray (5Y 4/1) broken face, gray (5Y 6/1) broken face, dry; very fine sandy loam; 13 percent clay; structureless massive; slightly hard, friable, nonsticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout and 0.5 fine roots throughout; 1.0 very fine irregular and 1.0 fine tubular pores; 100 percent dark gray (10YR 4/1), moist, and gray (N 5/), dry, reduced matrix in matrix; fragments; noneffervescent; very strongly acid, pH 5.0, pH indicator strip.; moist when described; observed in auger, bucket