IDENTIFIERS

  • Current Taxon Name (Soil Name): TRELOAR
  • OSD
  • Series Extent
  • User Site ID: 2007MO183022
  • User Pedon ID: 2007MO183022
  • Vegetation Plot ID: 2007MO183022
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718322
  • NCSS Pedon Lab Data NASIS Record ID - 25995
  • Print Date: 11/21/2024

    • 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: 38.5877500
  • Std. Longitude: -90.7965278
  • Datum: WGS84
  • PLSS Details: 259 feet West and 456 feet South from the North East corner of Survey 1246,
  • Country: US—United States
  • State: Missouri
  • County: MO183—St. Charles
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO183—St. Charles County, Missouri
  • 7.5 Minute USGS Quad: 38090-E7—Labadie, Missouri

    • PEDON

  • Describers Name: Dennis Meinert, Keith Knelle
  • Current Taxonomic Class: Sandy over loamy, aniso, mixed, superactive, calcareous, mesic Typic Udifluvents
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 22
  • Correlated Information:
  • Soil Name - TRELOAR
  • PSC - 25 to 102 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rocher
  • Classificaton Date - 4/10/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Holocene Stage sandy alluvium derived from mixed over loamy alluvium derived from mixed over sandy alluvium derived from mixed over loamy alluvium derived from mixed
  • Landscape: river valley
  • Landform: natural levee
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Flooding: frequent flooding for long periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/10/2007 (actual site observation date)
  • Air Photo ID: 38090e7ne
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other tree cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PLATA

    FRAXI

    ACNE2

    POPUL

    Platanus

    Fraxinus

    Acer negundo

    Populus

    sycamore

    ash

    boxelder

    cottonwood

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

    ochric epipedon

    strongly contrasting particle size class

    strongly contrasting particle size class

    aquic conditions

    0—30

    30—

    64—

    137—208

    —30—

    —1—

    —1—

    —71—
    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

    0.5

    —

    —

    142

    —

    350

    —

    —

    —

    —

    —

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    —

    —

    —

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    A—0 to 30 centimeters (0.0 to 11.8 inches); 50 percent grayish brown (10YR 5/2) broken face and 50 percent light brownish gray (10YR 6/2) broken face loamy fine sand; weak fine granular structure; very friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 fine interstitial pores; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU006450; observed in push tube
    2C1—30 to 43 centimeters (11.8 to 16.9 inches); 50 percent dark grayish brown (10YR 4/2) broken face and 50 percent brown (10YR 5/3) broken face stratified fine sandy loam; massive; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 10.0 fine interstitial pores; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3C2—43 to 64 centimeters (16.9 to 25.2 inches); 80 percent very dark grayish brown (10YR 3/2) broken face and 20 percent grayish brown (10YR 5/2) broken face stratified loamy fine sand; massive; very friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 0.5 fine interstitial and 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; very slight effervescence, by hcl, 1n; clear wavy boundary.; observed in push tube
    4C3—64 to 119 centimeters (25.2 to 46.9 inches); 40 percent dark grayish brown (10YR 4/2) broken face and 40 percent grayish brown (10YR 5/2) broken face and 20 percent pale brown (10YR 6/3) broken face stratified fine sandy loam; massive; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine interstitial and 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    4C4—119 to 137 centimeters (46.9 to 53.9 inches); 60 percent brown (10YR 4/3) broken face and 30 percent dark grayish brown (10YR 4/2) broken face and 10 percent brown (10YR 5/3) broken face stratified loam; massive; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 fine interstitial pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    4C5—137 to 170 centimeters (53.9 to 66.9 inches); 60 percent brown (10YR 5/3) broken face and 20 percent very dark gray (10YR 3/1) broken face and 20 percent dark gray (10YR 4/1) broken face stratified silt loam; massive; friable; 0.5 very fine roots throughout; 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    4C6—170 to 198 centimeters (66.9 to 78.0 inches); 50 percent brown (10YR 5/3) broken face and 40 percent dark grayish brown (10YR 4/2) broken face and 10 percent gray (10YR 5/1) broken face stratified loam; massive; friable; 0.5 very fine roots throughout; 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    4C7—198 to 208 centimeters (78.0 to 81.9 inches); 40 percent gray (10YR 5/1) broken face and 40 percent grayish brown (10YR 5/2) broken face and 20 percent dark grayish brown (10YR 4/2) broken face stratified very fine sandy loam; massive; friable; 0.5 very fine roots throughout and 0.5 medium roots throughout; 0.5 fine tubular pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n.; observed in push tube