IDENTIFIERS

  • Current Taxon Name (Soil Name): Peters
  • OSD
  • Series Extent
  • User Site ID: 04CA632036
  • User Pedon ID: S04CA077-001
  • Vegetation Plot ID: 04CA632036
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - NSSL
  • Lab Pedon # - 05N0397
  • NCSS Pedon Lab Data NASIS Record ID - 17674
  • Print Date: 5/15/2024

    • 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: 38.0374444
  • Std. Longitude: -120.9277778
  • Datum: WGS84
  • Township: 2 north
  • Range: 9 east
  • Section: 12
  • PLSS Details: About 180 meters (590 feet) west and 520 meters (1,710 feet) north of the southeast corner of
  • Location Description: The site is about 150 meters (490 feet) NE of a small building which is located east of the initial and now completed landfill mound 100 meters (330 feet) high. The San Joaquin County Landfill is on Waverly Road, 2 miles south of Shelton Road.
  • Map Unit: 209—Pentz-Bellota complex, 2 to 15 percent slopes
  • Country: US—United States
  • State: California
  • County: CA077—San Joaquin
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Regional Office: SW—Southwest
  • Non-MLRA Soil Survey Area: CA077—San Joaquin County, California
  • 7.5 Minute USGS Quad: 38120-A8—Valley Springs SW, California

    • PEDON

  • Describers Name: JCR, KC
  • Current Taxonomic Class: Clayey, smectitic, thermic, shallow Typic Haploxerolls
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 36
  • Correlated Information:
  • Soil Name - Peters
  • PSC - 25 to 38 cm.
  • Classificaton Date - 7/27/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Peters
  • Classificaton Date - 12/2/2004
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey creep deposits derived from volcanic sandstone
  • Landscape: hills
  • Landform: hillslope
  • Microfeature: gilgai intermediate position
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: footslope
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: very strongly coherent slight weathered sandstone, unspecified at 35cm with =>200 and a strike of 225 degrees and a dip of 8 to 12 degrees
  • Geology: Mehrten formation.
  • Surface Fragments: 1.00 percent subrounded indurated 2- to 76-millimeter metamorphic, unspecified, 4.00 percent rounded indurated 76- to 250-millimeter metamorphic, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/2/2004 (actual site observation date)
  • Air Photo ID: 0216
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 15
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AVFA

    BRDI3

    BRHOH

    BRRU2

    ERODI

    FEME

    HEMIZ

    HORDE

    MEHI

    TACA8

    TRHI4

    Avena fatua

    Bromus diandrus

    Bromus hordeaceus ssp. hordeaceus

    Bromus rubens

    Erodium

    Festuca megalura

    Hemizonia

    Hordeum

    Medicago hispida

    Taeniatherum caput-medusae

    Trifolium hirtum

    wild oat

    ripgut brome

    soft brome

    red brome

    stork's bill

    annual fescue

    tarweed

    barley

    —

    medusahead

    rose clover

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    strongly coherent

    38 - 50

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

    mollic epipedon

    paralithic contact

    0—38

    38—50

    36—38—50

    —-
    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

    3

    —

    —

    64

    —

    60

    406

    —

    275

    17

    23

    10

    —

    —

    —

    —

    —

    CA5738

    Modesto

    TAPS
    A1—0 to 5 centimeters (0.0 to 2.0 inches); brown (7.5YR 4/2), very dark brown (7.5YR 2.5/2) broken face, moist; clay; 10 percent sand; 35 percent silt; 55 percent clay; moderate fine subangular blocky structure; firm, very sticky, very plastic; slow permeability; very high excavation difficulty; 10.0 very fine roots throughout and 5.0 fine roots throughout; 1 percent by volume rounded indurated 2-3-5 millimeter metamorphic, unspecified fragments; neutral, pH 7.1; clear wavy boundary.; observed in trench
    A2—5 to 15 centimeters (2.0 to 5.9 inches); brown (7.5YR 5/2), very dark brown (7.5YR 2.5/2) broken face, moist; clay; 10 percent sand; 30 percent silt; 60 percent clay; moderate thick platy parts to moderate coarse angular blocky structure; firm, very sticky, very plastic; slow permeability; very high excavation difficulty; 3.0 very fine roots throughout and 1.0 fine roots throughout; 1 percent by volume rounded indurated 20-50-76 millimeter metamorphic, unspecified fragments; slightly acid, pH 6.5; clear wavy boundary.; observed in trench
    A3—15 to 35 centimeters (5.9 to 13.8 inches); brown (7.5YR 5/2), very dark brown (7.5YR 2.5/2) broken face, moist; clay; 10 percent sand; 35 percent silt; 55 percent clay; weak very thick platy parts to moderate very coarse angular blocky structure; firm, very sticky, very plastic; slow permeability; very high excavation difficulty; 0.9 very fine roots throughout; 10 percent distinct pressure faces on all faces of peds; 1 percent by volume rounded indurated 76-150-250 millimeter metamorphic, unspecified fragments; neutral, pH 7.3; clear wavy boundary.; observed in trench. discontinuous - phpvsfiid 272382; discontinuous - phpvsfiid 272382
    Cr1—35 to 38 centimeters (13.8 to 15.0 inches); pinkish gray (7.5YR 6/2), brown (7.5YR 5/2) broken face, moist; clay; 15 percent sand; 35 percent silt; 50 percent clay; massive; firm, very sticky, very plastic; slow permeability; very high excavation difficulty; 0.5 very fine roots around fragments and 0.6 very fine roots throughout; 50 percent by volume angular weakly coherent cemented 2-50-76 millimeter sandstone, unspecified fragments; slightly alkaline, pH 7.4; abrupt wavy boundary.; observed in trench
    Cr2—38 centimeters (15.0 inches); pinkish gray (7.5YR 7/2), pale brown (10YR 6/3) broken face, moist; high excavation difficulty; 0.5 very fine roots top of horizon; fragments.; observed in trench