IDENTIFIERS

  • Current Taxon Name (Soil Name): Myford
  • OSD
  • Series Extent
  • User Site ID: S1971CA059010
  • User Pedon ID: S1971CA059010
  • Vegetation Plot ID: S1971CA059010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 71C0068
  • NCSS Pedon Lab Data NASIS Record ID - 43927
  • 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: 33.6458321
  • Std. Longitude: -117.7033310
  • Datum: WGS84
  • Township: 6S
  • Range: 8W
  • Section: 15
  • PLSS Details: E 1/4, E 1/4
  • Location Description: Orange County, California. Irvine Ranch.
  • 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-loamy, mixed, superactive, thermic Typic Palexeralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Myford
  • PSC - 30 to 80 cm.
  • Classificaton Date - 10/25/2016
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Myford
  • Classificaton Date - 6/1/1971
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: gently sloping terrace
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1971 (actual site observation date)
  • Air Photo ID: AXK-3K-39
  • 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

    2GA

    —

    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

    4

    —

    —

    103.6

    —

    270

    355

    —

    —

    16.6

    22.2

    11.1

    —

    —

    —

    —

    —

    —

    —

    —
    A11—0 to 2 centimeters (0.0 to 0.8 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; sandy loam; weak medium platy structure; slightly hard, friable, nonsticky, nonplastic; 21.0 very fine roots; 21.0 very fine tubular pores; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # 71C00431
    A12—2 to 11 centimeters (0.8 to 4.3 inches); pinkish gray (7.5YR 6/2), brown (7.5YR 4/2), moist; sandy loam; weak medium platy structure; hard, friable, nonsticky, nonplastic; 3.0 very fine roots; 21.0 very fine tubular pores; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # 71C00432
    A2—11 to 30 centimeters (4.3 to 11.8 inches); pinkish gray (7.5YR 6/2), brown (7.5YR 4/2), moist; sandy loam; massive; hard, friable, nonsticky, nonplastic; 3.0 very fine roots; 21.0 very fine tubular pores; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # 71C00433
    B21T—30 to 45 centimeters (11.8 to 17.7 inches); light gray (10YR 7/2) and brown (7.5YR 4/2), dark brown (7.5YR 3/2), moist; clay; strong very coarse prismatic structure; extremely hard, very firm, very sticky, very plastic; 3.0 very fine roots; 3.0 very fine tubular pores; 30 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # 71C00434
    B22T—45 to 70 centimeters (17.7 to 27.6 inches); brown (7.5YR 4/2), dark brown (7.5YR 3/2), moist; clay; moderate coarse prismatic parts to strong coarse angular blocky structure; extremely hard, very firm, very sticky, very plastic; 0.5 very fine roots; 3.0 very fine tubular pores; 10 percent clay films on surfaces along pores; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # 71C00435
    B31TCA—70 to 90 centimeters (27.6 to 35.4 inches); yellowish brown (10YR 5/4), brown (10YR 4/3), moist; sandy clay loam; weak coarse prismatic parts to moderate coarse angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 3.0 very fine tubular pores; 10 percent clay films on surfaces along pores; medium weakly coherent cemented carbonate masses; fragments; violent effervescence; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # 71C00436
    B32TCA—90 to 105 centimeters (35.4 to 41.3 inches); light brown (7.5YR 6/4), brown (7.5YR 4/2), moist; sandy clay loam; weak coarse prismatic parts to moderate coarse angular blocky structure; very hard, firm, slightly sticky, moderately plastic; 0.1 very fine roots; 3.0 very fine tubular pores; 30 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores; threadlike carbonate masses; fragments; slight effervescence; moderately alkaline, pH 8.0; diffuse smooth boundary. Lab sample # 71C00437
    B33T—105 to 125 centimeters (41.3 to 49.2 inches); light brown (7.5YR 6/4), brown (7.5YR 4/2), moist; sandy clay loam; weak coarse prismatic parts to moderate coarse angular blocky structure; very hard, firm, slightly sticky, moderately plastic; 0.1 very fine roots; 3.0 very fine tubular pores; 30 percent clay films on all faces of peds and 30 percent clay films on surfaces along pores; fragments; moderately alkaline, pH 8.0; diffuse smooth boundary. Lab sample # 71C00438
    B34T—125 to 155 centimeters (49.2 to 61.0 inches); light brown (7.5YR 6/4), brown (7.5YR 4/2), moist; sandy clay loam; weak coarse prismatic parts to moderate coarse angular blocky structure; very hard, firm, slightly sticky, moderately plastic; 0.1 very fine roots; 21.0 very fine tubular pores; 30 percent clay films on surfaces along pores and 30 percent clay films on all faces of peds; fragments; slightly acid, pH 6.5; diffuse smooth boundary. Lab sample # 71C00439
    B35T—155 to 180 centimeters (61.0 to 70.9 inches); light brown (7.5YR 6/4), brown (7.5YR 4/2), moist; sandy clay loam; weak coarse prismatic parts to moderate coarse angular blocky structure; very hard, firm, slightly sticky, moderately plastic; 21.0 very fine tubular pores; 30 percent clay films on surfaces along pores and 30 percent clay films on all faces of peds; fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 71C00440
    C—180 to 200 centimeters (70.9 to 78.7 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; sandy loam; massive; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine tubular pores; fragments; slightly acid, pH 6.5. Lab sample # 71C00441