IDENTIFIERS

  • Current Taxon Name (Soil Name): Freeboard
  • OSD
  • Series Extent
  • User Site ID: s06037c064
  • User Pedon ID: s06037c064
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 06N0794
  • NCSS Pedon Lab Data NASIS Record ID - 18637
  • Print Date: 11/25/2024

    • 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: 33.3706111
  • Std. Longitude: -118.3816944
  • Datum: WGS84
  • State: California
  • County: CA037—Los Angeles
  • MLRA: 20—Southern California Mountains
  • Non-MLRA Soil Survey Area: CA688—Channel Islands Area, California, Parts of Santa Barbara and Los Angeles Counties
  • 7.5 Minute USGS Quad: 33118-D3—Santa Catalina East OE N, California

    • PEDON

  • Describers Name: Matthew E. Ballmer
  • Current Taxonomic Class: Fine, smectitic, thermic Vertic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 64
  • Correlated Information:
  • Soil Name - Freeboard
  • PSC - 13 to 63 cm.
  • Classificaton Date - 7/24/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - freeboard
  • Classificaton Date - 4/26/2006
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over Augite-Hypersthene residuum weathered from andesite
  • Landscape: island
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: extremely weakly coherent strong weathered andesite at 130cm with <10
  • Surface Fragments: 25.00 percent flat rounded 2- to 75-millimeter 30.00 percent nonflat rounded 2- to 75-millimeter 5.00 percent nonflat rounded 75- to 250-millimeter 5.00 percent flat rounded 75- to 250-millimeter
  • Benchmark Soil?: no

    • VEGETATION

  • Other Vegetative Class: CSS - Scrub Communities-Coastal Sage Scrub—Santa Catalina Island Mapping Project

    • SITE OBSERVATION

  • Observation Date: 4/26/2006 (actual site observation date)
  • Air Photo ID: I
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Btk2

    90

    130

    —

    —

    —

    —

    —

    —

    —

    —

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Btk2

    90

    130

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Btk2

    90

    130

    —

    —

    —

    —

    —

    —

    —

    1

    —

    —

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    —

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    extremely weakly coherent

    —

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

    mollic epipedon

    argillic horizon

    —

    11—61

    —-

    —-
    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

    33

    —

    —

    389

    —

    250

    12

    —

    355

    17

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    —

    —

    —

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    A1—0 to 1 centimeters (0.0 to 0.4 inches); dark grayish brown (10YR 4/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; clay loam; 32 percent clay; moderate medium granular, and moderate thin platy structure; slightly hard, very friable, slightly sticky, slightly plastic; low excavation difficulty; 3.0 very fine roots throughout; 2.0 fine moderate-continuity irregular and 2.0 fine moderate-continuity interstitial pores; 5 percent by volume rounded 2-39-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.4, pH meter 1:2 calcium chloride; abrupt wavy boundary.; observed in pit, small
    A2—1 to 13 centimeters (0.4 to 5.1 inches); dark grayish brown (10YR 4/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; clay; 40 percent clay; moderate fine subangular blocky, and moderate medium granular structure; slightly hard, friable, slightly sticky, moderately plastic; low excavation difficulty; 2.0 very fine roots throughout and 1.0 fine roots throughout; 1.0 very fine low-continuity tubular and 2.0 fine moderate-continuity interstitial and 2.0 fine moderate-continuity irregular pores; 10 percent by volume rounded 2-39-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; neutral, pH 6.7, pH meter 1:2 calcium chloride; clear wavy boundary.; observed in pit, small
    Bt1—13 to 28 centimeters (5.1 to 11.0 inches); dark grayish brown (10YR 4/2) broken face, very dark grayish brown (10YR 3/2) broken face, moist; clay loam; 39 percent clay; strong coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; high excavation difficulty; 1.0 very fine roots throughout; 3.0 very fine low-continuity tubular and 2.0 fine moderate-continuity interstitial and 2.0 fine moderate-continuity irregular pores; prominent very dark grayish brown (10YR 3/2), moist, clay films on rock fragments and prominent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 10 percent by volume rounded 2-39-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; neutral, pH 6.9, pH meter 1:2 calcium chloride; clear wavy boundary.; observed in pit, small. continuous - phpvsfiid 324234; continuous - phpvsfiid 324235; continuous - phpvsfiid 324234; continuous - phpvsfiid 324235
    Bt2—28 to 60 centimeters (11.0 to 23.6 inches); variegated 60 percent brown (7.5YR 4/3) broken face and 40 percent dark grayish brown (10YR 4/2) broken face, 60 percent dark brown (7.5YR 3/3) broken face and 40 percent very dark grayish brown (10YR 3/2) broken face, moist; clay loam; 30 percent clay; moderate coarse prismatic, and strong coarse angular blocky structure; very hard, firm, moderately sticky, very plastic; high excavation difficulty; 1.0 very fine roots throughout; 2.0 very fine low-continuity tubular pores; distinct brown (7.5YR 4/3), moist, clay films on rock fragments and distinct brown (7.5YR 4/3), moist, clay films on all faces of peds; 5 percent by volume rounded 2-39-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; neutral, pH 7.0, pH meter 1:2 calcium chloride; abrupt wavy boundary.; observed in pit, small. continuous - phpvsfiid 324241; continuous - phpvsfiid 324242; continuous - phpvsfiid 324241; continuous - phpvsfiid 324242
    Btk1—60 to 90 centimeters (23.6 to 35.4 inches); variegated 60 percent yellowish brown (10YR 5/4) broken face and 40 percent very dark grayish brown (10YR 3/2) broken face, dark brown (10YR 3/3) rubbed, moist; gravelly sandy clay loam; 22 percent clay; moderate coarse prismatic, and strong coarse angular blocky structure; very hard, firm, moderately sticky, very plastic; high excavation difficulty; 1.0 very fine low-continuity tubular and 2.0 very fine low-continuity interstitial pores; 85 percent prominent very dark grayish brown (10YR 3/2), moist, clay films on rock fragments and 85 percent prominent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 3 percent fine faint irregular noncoherent cemented light gray (10YR 7/2), dry, carbonate masses with clear boundaries in matrix; 15 percent by volume rounded 2-39-75 millimeter unspecified fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH meter 1:2 calcium chloride; gradual wavy boundary.; observed in pit, small. continuous - phpvsfiid 324239; continuous - phpvsfiid 324240; continuous - phpvsfiid 324239; continuous - phpvsfiid 324240
    Btk2—90 to 130 centimeters (35.4 to 51.2 inches); variegated 60 percent yellowish brown (10YR 5/4) broken face and 40 percent very dark grayish brown (10YR 3/2) broken face, dark brown (10YR 3/3) rubbed, moist; very gravelly sandy loam; 16 percent clay; moderate medium subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; high excavation difficulty; 1.0 very fine low-continuity interstitial pores; 85 percent prominent very dark grayish brown (10YR 3/2), moist, clay films on rock fragments and 85 percent prominent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 5 percent fine distinct irregular noncoherent cemented light gray (10YR 7/2), dry, carbonate masses with clear boundaries in matrix and 3 percent fine faint irregular noncoherent cemented light gray (10YR 7/2), dry, carbonate masses with clear boundaries around rock fragments; 30 percent by volume rounded 2-3-5 millimeter unspecified fragments and 50 percent by volume rounded 2-39-75 millimeter unspecified fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter 1:2 calcium chloride; clear wavy boundary.; observed in pit, small. continuous - phpvsfiid 324236; continuous - phpvsfiid 324237; continuous - phpvsfiid 324236; continuous - phpvsfiid 324237
    Cr—130 to 155 centimeters (51.2 to 61.0 inches); strongly coherent; very high excavation difficulty; 30 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on rock fragments; 3 percent fine faint irregular noncoherent cemented light gray (10YR 7/2), dry, carbonate masses with clear boundaries around rock fragments; fragments.; observed in pit, small. patchy - phpvsfiid 324238; patchy - phpvsfiid 324238