IDENTIFIERS

  • Current Taxon Name (Soil Name): Lowmo
  • OSD
  • Series Extent
  • User Site ID: 2007MO183009
  • User Pedon ID: 2007MO183009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718309
  • NCSS Pedon Lab Data NASIS Record ID - 25580
  • 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: 38.6965556
  • Std. Longitude: -90.5668333
  • Datum: WGS84
  • PLSS Details: 1,520 feet East and 4,232 feet South from the North West corner of Survey 743,
  • 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-F5—Chesterfield, Missouri

    • PEDON

  • Describers Name: Teresa Gerber, Ralph Tucker
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, calcareous, mesic Fluventic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - Lowmo
  • 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 - HAYNIE
  • Classificaton Date - 3/8/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: coarse-silty alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood-plain step
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: negligible
  • Drainage Class: moderately well
  • Flooding: occasional flooding for long periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/8/2007 (actual site observation date)
  • Air Photo ID: 6/11/2007
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    0—33

    33—86

    —33—

    —53—
    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

    —

    —

    136.2

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 very fine roots throughout; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU003389; observed in pit, small
    Ap2—15 to 33 centimeters (5.9 to 13.0 inches); dark brown (10YR 3/3) broken face, brown (10YR 5/3) broken face, dry; silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 very fine roots throughout; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU003390; observed in pit, small
    Bw1—33 to 61 centimeters (13.0 to 24.0 inches); dark grayish brown (10YR 4/2) broken face silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 very fine roots throughout; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU003391; observed in pit, small
    Bw2—61 to 79 centimeters (24.0 to 31.1 inches); 60 percent dark grayish brown (2.5Y 4/2) broken face and 40 percent olive brown (2.5Y 4/4) broken face silt loam; moderate fine subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 very fine roots throughout; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    Bw3—79 to 86 centimeters (31.1 to 33.9 inches); dark olive brown (2.5Y 3/3) broken face silty clay; moderate fine angular blocky structure; firm; 0.5 very fine roots throughout; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU003393; observed in pit, small
    C1—86 to 119 centimeters (33.9 to 46.9 inches); light olive brown (2.5Y 5/3) broken face silt loam; massive; friable; 0.5 very fine roots throughout; 1 percent medium faint irregular noncoherent cemented reddish gray (2.5YR 6/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU003394; observed in pit, small
    C2—119 to 155 centimeters (46.9 to 61.0 inches); light olive brown (2.5Y 5/3) broken face silt loam; massive; loose; 0.5 very fine roots throughout; 1 percent medium faint irregular noncoherent cemented reddish gray (2.5YR 6/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented pale red (2.5YR 6/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU003395; observed in pit, small
    C3—155 to 213 centimeters (61.0 to 83.9 inches); light olive brown (2.5Y 5/3) broken face silt loam; massive; loose; 0.5 very fine roots throughout; 1 percent medium faint irregular noncoherent cemented red (2.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 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 strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n. Lab sample # MU003396; observed in pit, small