IDENTIFIERS

  • Current Taxon Name (Soil Name): Alo
  • OSD
  • Series Extent
  • User Site ID: S1971CA059008
  • User Pedon ID: S1971CA059008
  • Vegetation Plot ID: S1971CA059008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 71C0059
  • NCSS Pedon Lab Data NASIS Record ID - 43918
  • Print Date: 11/23/2024

    • LOCATION

  • Township: 6S
  • Range: 9W
  • PLSS Details: S 1/4, E 1/4 of 90
  • Location Description: Orange County, California. University of California at Irvine property.
  • State: California
  • County: CA059—Orange
  • MLRA: 19—Southern California Coastal Plains and Mountains
  • Non-MLRA Soil Survey Area: CA678—Orange County and Part of Riverside County, California
  • 7.5 Minute USGS Quad: 33117-E6—San Juan Capistrano, California

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, thermic Aridic Haploxererts
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Alo
  • PSC - 25 to 64 cm.
  • Classificaton Date - 10/25/2016
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Alo
  • Classificaton Date - 6/1/1971
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: gently sloping upland
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1971 (actual site observation date)
  • Air Photo ID: AXK-2K-49
  • Surface Cover Properties:
  • 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

    2FA

    2GA

    —

    —

    Forb, annual

    Grass, annual

    —

    —

    —

    —

    —

    —
    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

    5

    —

    —

    82.2

    —

    90

    330

    —

    —

    16.6

    21.6

    11.6

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 4 centimeters (0.0 to 1.6 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; clay; strong medium granular structure; hard, firm, very sticky, very plastic; 3.0 very fine roots; 3.0 very fine tubular and 3.0 fine tubular pores; fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # 71C00374
    A2—4 to 38 centimeters (1.6 to 15.0 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; clay; strong very coarse prismatic structure; extremely hard, firm, very sticky, very plastic; 3.0 very fine roots; 0.5 very fine tubular pores; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # 71C00375
    Bkss—38 to 64 centimeters (15.0 to 25.2 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; clay; moderate coarse prismatic structure; very hard, firm, very sticky, very plastic; 0.5 very fine roots; 0.5 very fine tubular pores; 30 percent slickensides (pedogenic); medium spherical weakly coherent cemented carbonate masses; fragments; strong effervescence; moderately alkaline, pH 8.0; clear wavy boundary. Lab sample # 71C00376
    Cr1—64 to 105 centimeters (25.2 to 41.3 inches); light yellowish brown (2.5Y 6/4), light olive brown (2.5Y 5/4), moist; bedrock; 0.5 very fine roots in cracks; carbonate coats on vertical faces of peds; fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 71C00377
    Cr2—105 to 150 centimeters (41.3 to 59.1 inches); light gray (10YR 7/2) and yellow (2.5Y 7/6) and light yellowish brown (2.5Y 6/4), olive yellow (2.5Y 6/6) and light olive brown (2.5Y 5/4) and light brownish gray (10YR 6/2), moist; bedrock; 10 percent carbonate coats on vertical faces of peds; fragments; slightly acid, pH 6.5. Lab sample # 71C00378