IDENTIFIERS

  • Current Taxon Name (Soil Name): Sepulveda
  • OSD
  • Series Extent
  • User Site ID: S2015CA037001
  • User Pedon ID: S2015CA037001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 15N0539
  • NCSS Pedon Lab Data NASIS Record ID - 79660
  • Print Date: 11/23/2024

    • 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: 34.0455000
  • Std. Longitude: -118.4121667
  • Datum: WGS84
  • Location Description: Cheviot Hills Recreation Center Park behind baseball field area.
  • Map Unit: 1121—Urban land-Sepulveda-Pierview complex, 2 to 12 percent slopes
  • State: California
  • County: CA037—Los Angeles
  • MLRA Soil Survey Area: SW-TEM—Templeton, California
  • Non-MLRA Soil Survey Area: CA696—Los Angeles County, California, Southeastern Part
  • 7.5 Minute USGS Quad: 34118-A4—Beverly Hills, California

    • PEDON

  • Describers Name: Randy L Riddle
  • Current Taxonomic Class: Fine-loamy, spolic, mixed, superactive, calcareous, thermic Typic Xerorthents
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Sepulveda (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/23/2016
  • Classifier - Randy L Riddle
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Anthraltic Xerorthents
  • Taxonomic Class - Fine-loamy, spolic, mixed, superactive, nonacid, thermic Anthraltic Xerorthents
  • Taxon Kind - family
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/30/2015
  • Classifier - Randy L Riddle
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: human-transported material
  • Landscape: alluvial plain
  • Landform: fan remnant
  • Anthropogenic Feature: leveled land
  • Geomorphic Component Hills: interfluve
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/30/2015 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - urban and built-up
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    human-transported material

    artifacts

    ochric epipedon

    0—200

    0—24

    0—24

    —-

    —-

    —-
    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

    2

    —

    —

    74

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    ^Au—0 to 24 centimeters (0.0 to 9.4 inches); very dark brown (10YR 2/2), very dark brown (10YR 2/2), dry; clay loam; 42 percent sand; 28 percent silt; 30 percent clay; moderate very coarse subangular blocky parts to moderate coarse subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; common (2.0) very fine roots and few (1.0) fine roots; common (3.0) very fine irregular and common (1.0) fine irregular pores; 2 percent by volume angular indurated 2-37-75 millimeter mixed fragments; 1 percent by volume concrete and 1 percent by volume brick; very slight effervescence, by hcl, 1n; slightly alkaline, pH 7.8, pH indicator solutions; clear wavy boundary. Lab sample # 15N02870
    ^C1—24 to 55 centimeters (9.4 to 21.7 inches); brown (7.5YR 4/2), 10 percent very dark grayish brown (10YR 3/2) and brown (7.5YR 4/4), dry; sandy clay loam; 48 percent sand; 19 percent silt; 33 percent clay; moderate medium subangular blocky structure; extremely hard, firm, very sticky, very plastic; common (1.0) very fine roots and few (1.0) fine roots; common (2.0) very fine irregular pores; 40 percent prominent clay films on all faces of peds; 3 percent coarse prominent irregular noncoherent cemented white (10YR 8/1) carbonate masses in matrix; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH indicator solutions; clear wavy boundary. Lab sample # 15N02871. carbonate masses are remnant from source materials and mixed with crushed concrete; mixed matrix color, pockets of 7.5YR 4/6 throughout; clay films are remnant from source material
    ^C2—55 to 114 centimeters (21.7 to 44.9 inches); 15 percent dark yellowish brown (10YR 4/6) and dark yellowish brown (10YR 4/4), 2 percent dark grayish brown (10YR 4/2) and dark yellowish brown (10YR 4/4), dry; sandy clay loam; 62 percent sand; 10 percent silt; 27 percent clay; massive; friable, moderately sticky, moderately plastic; common (2.0) very fine irregular pores; 25 percent distinct dark yellowish brown (10YR 3/4) clay films on all faces of peds; 2 percent coarse prominent irregular noncoherent cemented white (10YR 8/1) carbonate masses in matrix; fragments; very slight effervescence, by hcl, 1n; strongly alkaline, pH 8.5, pH indicator solutions; gradual wavy boundary. Lab sample # 15N02872. carbonate masses are remnant from source materials; clay films are remnant from source material
    ^C3—114 to 188 centimeters (44.9 to 74.0 inches); yellowish brown (10YR 5/4) sandy clay loam; 65 percent sand; 14 percent silt; 22 percent clay; massive; friable, moderately sticky, moderately plastic; common (2.0) very fine irregular pores; 2 percent coarse prominent irregular noncoherent cemented white (10YR 8/1) carbonate masses in matrix; fragments; very slight effervescence, by hcl, 1n; strongly alkaline, pH 8.5, pH indicator solutions; clear wavy boundary. Lab sample # 15N02873. carbonate masses are remnant from source materials
    ^C4—188 to 200 centimeters (74.0 to 78.7 inches); yellowish brown (10YR 5/4) fine sandy loam; 73 percent sand; 12 percent silt; 15 percent clay; massive; friable, slightly sticky, slightly plastic; 1 percent fine faint irregular yellowish brown (10YR 5/6) iron-manganese masses in matrix surrounding redox depletions and 2 percent medium distinct irregular grayish brown (10YR 5/2) iron depletions in matrix; fragments; noneffervescent, by hcl, 1n; strongly alkaline, pH 8.5, pH indicator solutions. Lab sample # 15N02874