IDENTIFIERS

  • Current Taxon Name (Soil Name): LOWMO
  • OSD
  • Series Extent
  • User Site ID: 2007MO183024
  • User Pedon ID: 2007MO183024
  • Vegetation Plot ID: 2007MO183024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718324
  • NCSS Pedon Lab Data NASIS Record ID - 26041
  • 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: 38.5996389
  • Std. Longitude: -90.7755000
  • Datum: WGS84
  • PLSS Details: 5,909 feet East and 147 feet South from the South West corner of Survey 1646,
  • 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: John Horton, Keith Knelle, Dennis Meinert
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, nonacid, mesic Aquic Hapludolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 24
  • Correlated Information:
  • Soil Name - LOWMO
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Rocher
  • Classificaton Date - 4/11/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Holocene Stage coarse-silty alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood-plain step
  • Geomorphic Component Hills: interfluve
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: frequent flooding for long periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/11/2007 (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

    ACNE2

    POPUL

    PLATA

    Acer negundo

    Populus

    Platanus

    boxelder

    cottonwood

    sycamore

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

    mollic epipedon

    cambic horizon

    aquic conditions

    0—33

    18—48

    71—

    —33—

    —30—

    —1—

    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

    1

    142

    0

    A—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) crushed, dry; silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout; 3.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix; 2 percent faint very dark grayish brown (10YR 3/2), moist, worm casts; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # MU006766; observed in push tube
    BA—18 to 33 centimeters (7.1 to 13.0 inches); 70 percent very dark grayish brown (10YR 3/2) broken face and 30 percent dark grayish brown (10YR 4/2) broken face, grayish brown (10YR 5/2) crushed, dry; stratified silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout; 3.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix; 2 percent faint very dark grayish brown (10YR 3/2), moist, worm casts; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    Bw—33 to 48 centimeters (13.0 to 18.9 inches); 40 percent dark grayish brown (10YR 4/2) broken face and 40 percent very dark grayish brown (10YR 3/2) broken face and 20 percent brown (10YR 4/3) broken face stratified silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout; 3.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent faint very dark grayish brown (10YR 3/2), moist, worm casts; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    C1—48 to 71 centimeters (18.9 to 28.0 inches); 40 percent dark grayish brown (10YR 4/2) broken face and 60 percent brown (10YR 4/3) broken face stratified silt loam; massive; very friable; 0.5 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; fragments; very slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    C2—71 to 107 centimeters (28.0 to 42.1 inches); 80 percent dark grayish brown (10YR 4/2) broken face and 20 percent dark gray (10YR 4/1) broken face stratified silt loam; massive; very friable; 0.5 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; fragments; very slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    2C3—107 to 152 centimeters (42.1 to 59.8 inches); 50 percent grayish brown (10YR 5/2) broken face and 50 percent brown (10YR 5/3) broken face stratified loamy fine sand; massive; very friable; 3.0 fine interstitial pores; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; very slight effervescence, by hcl, 1n; gradual wavy boundary.; observed in push tube
    2C4—152 to 196 centimeters (59.8 to 77.2 inches); 50 percent grayish brown (10YR 5/2) broken face and 50 percent brown (10YR 5/3) broken face stratified loamy fine sand; massive; loose; 3.0 fine interstitial pores; fragments; slight effervescence, by hcl, 1n.; observed in push tube