IDENTIFIERS

  • Current Taxon Name (Soil Name): YORBA
  • OSD
  • Series Extent
  • User Site ID: S1971CA059017
  • User Pedon ID: S1971CA059017
  • Vegetation Plot ID: S1971CA059017
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 71C0072
  • NCSS Pedon Lab Data NASIS Record ID - 43931
  • Print Date: 12/4/2024

    • 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: 33.8052788
  • Std. Longitude: -117.7502747
  • Datum: WGS84
  • Township: 4S
  • Range: 8W
  • Section: 18
  • PLSS Details: Irvine Ranch, rifle range area near Irvine Park and Santiago Creek; NE 1/4, NE 1/4
  • Location Description: Orange County, California.
  • State: California
  • County: CA059—Orange
  • MLRA: 20—Southern California Mountains
  • Non-MLRA Soil Survey Area: CA648—Merced Area, California
  • 7.5 Minute USGS Quad: 33117-E6—San Juan Capistrano, California

    • PEDON

  • Current Taxonomic Class: Loamy-skeletal, mixed Typic Haploxeralfs
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 17
  • Correlated Information:
  • Soil Name - YORBA
  • PSC - 29 to 79 cm.
  • Classificaton Date - 3/22/2002
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Yorba
  • Classificaton Date - 6/1/1971
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: gently sloping terrace
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 20.00 percent 2- to 75-millimeter 20.00 percent 75- to 250-millimeter
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1971 (actual site observation date)
  • Air Photo ID: AXK-2K100
  • 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

    2SD

    —

    —

    Grass, annual

    Shrub, deciduous

    —

    —

    —

    —

    —

    —
    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

    —

    —

    182.8

    —

    315

    46

    —

    —

    16.6

    22.2

    11.1

    —

    —

    —

    —

    —

    —

    —

    —
    A11—0 to 7 centimeters (0.0 to 2.8 inches); pinkish gray (7.5YR 6/2), brown (7.5YR 4/2), moist; gravelly sandy loam; massive; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine roots; 3.0 very fine tubular pores; 15 percent by volume 2-?-75 millimeter unspecified fragments and 15 percent by volume 75-?-250 millimeter unspecified fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # 71C00462
    A12—7 to 29 centimeters (2.8 to 11.4 inches); brown (7.5YR 5/2), brown (7.5YR 4/2), moist; gravelly sandy loam; massive; slightly hard, friable, slightly sticky, nonplastic; 3.0 very fine roots; 21.0 very fine tubular pores; 15 percent by volume 2-?-75 millimeter unspecified fragments and 15 percent by volume 75-?-250 millimeter unspecified fragments; slightly acid, pH 6.5; abrupt smooth boundary. Lab sample # 71C00463
    B21T—29 to 63 centimeters (11.4 to 24.8 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; very gravelly clay; weak medium angular blocky structure; very hard, firm, moderately sticky, very plastic; 0.1 very fine roots; 3.0 very fine tubular pores; 75 percent clay films on all faces of peds and 75 percent clay bridges between sand grains; 20 percent by volume 2-?-75 millimeter unspecified fragments and 20 percent by volume 75-?-250 millimeter unspecified fragments; slightly acid, pH 6.5; clear smooth boundary. Lab sample # 71C00464
    B22T—63 to 102 centimeters (24.8 to 40.2 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; very gravelly clay; weak medium angular blocky structure; very hard, firm, moderately sticky, very plastic; 0.1 very fine roots; 3.0 very fine tubular and 3.0 fine interstitial pores; 75 percent clay films on all faces of peds and 75 percent clay bridges between sand grains; 25 percent by volume 2-?-75 millimeter unspecified fragments and 25 percent by volume 75-?-250 millimeter unspecified fragments; slightly acid, pH 6.5; gradual smooth boundary. Lab sample # 71C00465
    B31T—102 to 160 centimeters (40.2 to 63.0 inches); red (2.5YR 4/6), dark red (2.5YR 3/6), moist; very gravelly sandy clay loam; massive; hard, friable, moderately sticky, slightly plastic; 0.1 very fine roots; 21.0 very fine interstitial and 21.0 fine interstitial pores; 30 percent clay bridges between sand grains; 30 percent by volume 2-?-75 millimeter unspecified fragments and 30 percent by volume 75-?-250 millimeter unspecified fragments; slightly acid, pH 6.5. Lab sample # 71C00466