IDENTIFIERS

  • Current Taxon Name (Soil Name): Piper
  • OSD
  • Series Extent
  • User Site ID: S1957CA013003
  • User Pedon ID: S1957CA013003
  • Vegetation Plot ID: S1957CA013003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2978
  • NCSS Pedon Lab Data NASIS Record ID - 38107
  • 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: 37.9977760
  • Std. Longitude: -121.6074982
  • Datum: WGS84
  • Township: 2N
  • Range: 3E
  • Section: 26
  • PLSS Details: 100 feet south NE corner of NW1/4 NE1/4
  • Location Description: projected. Eastern Contra Costa SCD. Holland Tract-Dutra Ranch pit silo. 1 mile due north of barn.
  • Map Unit: Ph—Piper fine sandy loam, partially drained, 0 to 2 percent slopes
  • State: California
  • County: CA013—Contra Costa
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Non-MLRA Soil Survey Area: CA013—Contra Costa County, California
  • 7.5 Minute USGS Quad: 38121-A6—Jersey Island, California
  • PEDON

  • Current Taxonomic Class: Mixed, calcareous, thermic Aquic Xeropsamments
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Piper
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/18/2016
  • Classifier - Ed Tallyn
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Piper
  • Taxonomic Class - Coarse-loamy, mixed, calcareous, thermic Aeric Halaquepts
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/1/1957
  • Moisture Class - aquic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Drainage Class: excessively
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

  • Ecological Sites. (Click Ecological Site ID For Link to EDIT.)
    Ecological Site ID Ecological Site Name Correlation Data Classifier
    R016XA004CA Island Sandhills Mar 18 2016 Jon Gustafson
  • SITE OBSERVATION

  • Observation Date: 6/1/1957 (actual site observation date)
  • 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

    BRRU2

    Bromus rubens

    red brome

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

    redox concentrations

    66—112

    —46—

    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

    0

    457

    A1—0 to 5 centimeters (0.0 to 2.0 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; loamy fine sand; loose, very friable, nonsticky, nonplastic; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 40A23455. Soil reacts violently to dilute HCl.
    AC—5 to 20 centimeters (2.0 to 7.9 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; fine sandy loam; massive; soft, friable, nonsticky, nonplastic; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, thymol-blue; abrupt smooth boundary. Lab sample # 40A23456. Soil reacts violently to dilute HCl. Lime disseminated and as soft light gray blotches (10YR 7/2 dry). Root holes have rust colored stainings.
    C1—20 to 66 centimeters (7.9 to 26.0 inches); light brownish gray (10YR 6/2), light gray (10YR 7/2), dry; loamy fine sand; massive; slightly hard, friable, nonsticky, nonplastic; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, thymol-blue; diffuse wavy boundary. Lab sample # 40A23457. Soil reacts violently to dilute HCl.
    C2—66 to 112 centimeters (26.0 to 44.1 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; loamy fine sand; 3 percent strong brown (7.5YR 5/8) medium prominent mottles; massive; soft, firm, nonsticky, nonplastic; 3 percent medium prominent strong brown (7.5YR 5/8) iron-manganese masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, thymol-blue; diffuse wavy boundary. Lab sample # 40A23458. Soil reacts violently to dilute HCl. Root holes have rust colored staining.
    C3—112 to 112 centimeters (44.1 to 44.1 inches); yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4), dry; fine sand; 21 percent strong brown (7.5YR 5/6) coarse prominent mottles; massive; soft, friable, nonsticky, nonplastic; 21 percent coarse prominent strong brown (7.5YR 5/6) iron-manganese masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.0, thymol-blue. Lab sample # 40A23459. Soil reacts violently to dilute HCl. Root holes have rust colored coatings.