IDENTIFIERS

  • Current Taxon Name (Soil Name): Ballona
  • OSD
  • Series Extent
  • User Site ID: S2014CA037005
  • User Pedon ID: S2014CA037005
  • Vegetation Plot ID: S2014CA037005
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 14N0536
  • NCSS Pedon Lab Data NASIS Record ID - 79463
  • 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: 34.0594167
  • Std. Longitude: -118.4080278
  • Datum: WGS84
  • Location Description: Roxbury Park, Beverly Hills, CA in front lawn in NW corner of Park beyong putting area.
  • Country: US—United States
  • 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, Beverly Harben, and Kit Paris
  • Current Taxonomic Class: Fine, spolic, smectitic, thermic Pachic Haploxerolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Ballona
  • PSC - 25 to 56 cm.
  • Classificaton Date - 6/17/2016
  • Classifier - Randy L Riddle
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Vertic Haploxerolls
  • Taxonomic Class - Fine, smectitic, thermic Vertic Haploxerolls
  • Taxon Kind - family
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/29/2014
  • Classifier - Randy L Riddle
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: variable human-transported material over young alluvium
  • Landform: coastal plain, alluvial fan
  • Anthropogenic Feature: leveled land
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: moderately well
  • Flooding: very rare flooding for extremely brief periods
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/24/2014 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    POA

    Poa

    bluegrass

    —

    —

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

    mollic epipedon

    human-transported material

    slickensides

    lithologic discontinuity

    0—56

    0—56

    56—150

    56—

    —8—

    —-

    —94—

    —-
    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

    —

    —

    71

    —

    356

    —

    320

    17

    —

    —

    18

    —

    —

    —

    —

    —

    —

    —
    ^A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; sandy clay loam; 50 percent sand; 28 percent silt; 22 percent clay; strong medium granular structure; moderately hard, friable, moderately sticky, slightly plastic; common very fine roots and common fine roots and few coarse roots; 2 percent by volume flat subangular 2-37-75 millimeter slate fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 14N03421
    ^Au—8 to 56 centimeters (3.1 to 22.0 inches);, dark brown (10YR 3/3), moist; loam, clay loam, clay; 48 percent sand; 30 percent silt; 22 percent clay; weak medium subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; few fine roots and common coarse roots; common very fine interstitial and common fine tubular pores; distinct pressure faces on all faces of peds; 2 percent by volume flat subangular indurated 2-4-5 millimeter slate fragments and 3 percent by volume subrounded indurated 5-37-75 millimeter slate fragments; 2 percent by volume bitumen (asphalt) and 2 percent by volume brick; neutral, pH 6.9; abrupt smooth boundary. Lab sample # 14N03422. slate fragments are from grading of adjacent elevated fan remnant
    2Bss1—56 to 94 centimeters (22.0 to 37.0 inches);, very dark grayish brown (10YR 3/2), moist; clay; 21 percent sand; 39 percent silt; 40 percent clay; moderate medium prismatic structure; very hard, firm, very sticky, very plastic; few fine roots; many very fine interstitial pores; distinct pressure faces on surfaces along pores and distinct slickensides (pedogenic) on top faces of peds; fragments; neutral, pH 6.8; gradual wavy boundary. Lab sample # 14N03423
    2Bss2—94 to 150 centimeters (37.0 to 59.1 inches);, dark brown (10YR 3/3), moist; clay; 21 percent sand; 39 percent silt; 40 percent clay; moderate medium prismatic structure; very hard, firm, very sticky, very plastic; few coarse roots; common very fine interstitial pores; distinct pressure faces on surfaces along pores and distinct slickensides (pedogenic) on top faces of peds; fragments; neutral, pH 7.0; gradual wavy boundary. Lab sample # 14N03424
    2BC—150 to 200 centimeters (59.1 to 78.7 inches);, dark yellowish brown (10YR 3/4), moist; clay; 20 percent sand; 40 percent silt; 40 percent clay; weak medium subangular blocky structure; very hard, firm, very sticky, very plastic; common very fine interstitial pores; distinct pressure faces on surfaces along pores; 1 percent by volume subangular 2-15-75 millimeter metavolcanics fragments; neutral, pH 7.2. Lab sample # 14N03425