IDENTIFIERS

  • Current Taxon Name (Soil Name): Carlotta
  • OSD
  • Series Extent
  • User Site ID: 07CA605244
  • User Pedon ID: 07CA605244
  • Vegetation Plot ID: 07CA605244
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0239
  • NCSS Pedon Lab Data NASIS Record ID - 20126
  • Print Date: 11/21/2024

    • 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: 41.8688889
  • Std. Longitude: -123.1913889
  • Datum: WGS84
  • Township: 17N
  • Range: 1W
  • Section: 16
  • Location Description: Del Norte County; 50 meters south of Kellog Road, Crescent City, CA.
  • Map Unit: 255—Carlotta, 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-G2—Crescent City, California

    • PEDON

  • Describers Name: Joe Seney
  • Current Taxonomic Class: Fine-loamy, isotic, mesic Oxyaquic Humudepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 244
  • Correlated Information:
  • Soil Name - Carlotta (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/3/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Carlotta
  • Taxonomic Class - Fine-loamy, mesic Oxyaquic Dystrudepts
  • Classificaton Date - 5/31/2007
  • Soil Taxonomic Edition - tenth edition
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from mixed sources
  • Landform: low, margin terrace
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Flooding: rare flooding for brief periods begining in feb
  • Ponding: none ponding
  • Bedrock: mixed
  • Geology: Alluvium formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/31/2007 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ANOD

    FESTU

    HOLCU

    LOLIU

    PLANT

    RAOC

    Anthoxanthum odoratum

    Festuca

    Holcus

    Lolium

    Plantago

    Ranunculus occidentalis

    sweet vernalgrass

    fescue

    velvetgrass

    ryegrass

    plantain

    western buttercup

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    umbric epipedon

    aquic conditions

    cambic horizon

    0—60

    60—152

    60—130

    —60—

    —92—

    —70—
    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

    —

    —

    4

    —

    160

    2030

    —

    300

    12

    14

    8

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 23 centimeters (0.0 to 9.1 inches); dark brown (10YR 3/3) broken face, brown (10YR 5/3) broken face, dry; loam; 26 percent clay; moderate very fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate permeability; 6.0 very fine roots and 2.0 medium roots and 4.0 fine roots; 2.0 very fine tubular and 2.0 very fine irregular and 2.0 fine irregular and 2.0 fine tubular pores; 1 percent by volume nonflat rounded indurated 2-38-75 millimeter mixed fragments; noneffervescent; strongly acid, pH 5.2, pH indicator strip; clear smooth boundary. Lab sample # 08N01480; moist when described; observed in pit, small
    Ap2—23 to 33 centimeters (9.1 to 13.0 inches); very dark grayish brown (10YR 3/2) broken face, brown (10YR 4/3) broken face, dry; loam; 26 percent clay; moderate very fine subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate permeability; 4.0 very fine roots and 2.0 fine roots; 2.0 very fine irregular and 2.0 very fine tubular and 2.0 fine tubular and 2.0 fine irregular pores; 1 percent by volume nonflat rounded indurated 2-38-75 millimeter mixed fragments; noneffervescent; very strongly acid, pH 5.0, pH indicator strip; clear smooth boundary. Lab sample # 08N01481; moist when described; observed in pit, small
    BA—33 to 60 centimeters (13.0 to 23.6 inches); dark brown (10YR 3/3) broken face, yellowish brown (10YR 5/4) broken face, dry; loam; 24 percent clay; moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate permeability; 2.0 very fine roots and 5.0 fine roots; 1.0 very fine tubular and 2.0 very fine irregular and 2.0 fine irregular pores; 1 percent by volume nonflat rounded indurated 2-38-75 millimeter mixed fragments; noneffervescent; very strongly acid, pH 5.0, pH indicator strip; clear wavy boundary. Lab sample # 08N01482; moist when described; observed in pit, small
    Bw1—60 to 85 centimeters (23.6 to 33.5 inches); dark yellowish brown (10YR 4/4) broken face, light yellowish brown (10YR 6/4) broken face, dry; loam; 21 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderate permeability; 0.5 very fine roots and 0.5 fine roots; 2.0 very fine irregular and 2.0 fine irregular pores; 10 percent fine prominent irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, iron-manganese masses with diffuse boundaries in matrix; 1 percent by volume nonflat rounded indurated 2-38-75 millimeter mixed fragments; noneffervescent; strongly acid, pH 5.4, pH indicator strip; clear wavy boundary. Lab sample # 08N01483; moist when described; observed in pit, small
    Bw2—85 to 110 centimeters (33.5 to 43.3 inches); olive brown (2.5Y 4/4) broken face, pale yellow (2.5Y 7/4) broken face, dry; loam; 22 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; moderately slow permeability; 0.5 fine roots; 2.0 very fine irregular and 2.0 medium tubular and 2.0 fine irregular and 2.0 fine tubular pores; 10 percent fine distinct irregular weakly coherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with diffuse boundaries in matrix and 10 percent fine prominent irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, iron-manganese masses with diffuse boundaries in matrix; 1 percent by volume nonflat rounded indurated 2-38-75 millimeter mixed fragments; noneffervescent; moderately acid, pH 5.8, pH indicator strip; clear smooth boundary. Lab sample # 08N01484; moist when described; observed in pit, small
    Bw3—110 to 130 centimeters (43.3 to 51.2 inches); yellowish brown (10YR 5/4) broken face, very pale brown (10YR 7/4) broken face, dry; clay loam; 30 percent clay; weak coarse subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; moderately slow permeability; 1.0 very fine irregular and 1.0 fine irregular pores; 20 percent fine distinct irregular weakly coherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with diffuse boundaries in matrix and 30 percent fine prominent irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, iron-manganese masses with diffuse boundaries in matrix; 1 percent by volume nonflat rounded indurated 2-38-75 millimeter mixed fragments; noneffervescent; moderately acid, pH 5.8, pH indicator strip; clear smooth boundary.; moist when described; observed in pit, small
    BC—130 to 152 centimeters (51.2 to 59.8 inches); yellowish brown (10YR 5/4) broken face, very pale brown (10YR 7/4) broken face, dry; clay loam; 32 percent clay; structureless massive; moderately hard, firm, moderately sticky, moderately plastic; moderately slow permeability; 1.0 very fine irregular and 1.0 fine irregular pores; 10 percent fine distinct irregular weakly coherent cemented grayish brown (2.5Y 5/2), moist, iron depletions with diffuse boundaries in matrix and 30 percent fine prominent irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, iron-manganese masses with diffuse boundaries in matrix; 1 percent by volume nonflat rounded indurated 2-38-75 millimeter mixed fragments; noneffervescent; moderately acid, pH 6.0, pH indicator strip.; moist when described; observed in pit, small