IDENTIFIERS

  • Current Taxon Name (Soil Name): Lowmo
  • OSD
  • Series Extent
  • User Site ID: 2006MO183054
  • User Pedon ID: 2006MO183054
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0618354
  • NCSS Pedon Lab Data NASIS Record ID - 25576
  • 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: 38.8291111
  • Std. Longitude: -90.1257222
  • Datum: WGS84
  • Township: T47N
  • Range: R8E
  • Section: 9
  • PLSS Details: 1,129 feet East and 2,755 feet South from the North West corner
  • 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-G2—Columbia Bottom, Missouri

    • PEDON

  • Describers Name: John Horton, Keith Knelle, Dennis Meinert
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, mesic Fluvaquentic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 54
  • 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 - 9/6/2006
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/6/2006 (actual site observation date)
  • Air Photo ID: 38090g2ne
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • 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

    aquic conditions

    0—36

    36—203

    —36—

    —167—
    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

    —

    —

    125.9

    —

    171

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark gray (10YR 3/1) broken face silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 fine interstitial pores; fragments; abrupt smooth boundary. Lab sample # MU003359; observed in push tube
    A—13 to 36 centimeters (5.1 to 14.2 inches); 90 percent very dark gray (10YR 3/1) broken face and 10 percent dark grayish brown (10YR 4/2) broken face and very dark grayish brown (10YR 3/2) rubbed silt loam; weak fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 0.5 fine interstitial and 3.0 fine tubular pores; fragments; clear smooth boundary. Lab sample # MU003360; observed in push tube
    Cg1—36 to 48 centimeters (14.2 to 18.9 inches); 60 percent dark grayish brown (10YR 4/2) broken face and 40 percent dark gray (10YR 4/1) broken face stratified silt loam; massive; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 medium tubular 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; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # MU003361; observed in push tube
    Cg2—48 to 69 centimeters (18.9 to 27.2 inches); 70 percent dark grayish brown (2.5Y 4/2) broken face and 30 percent dark gray (5Y 4/1) broken face silt loam; massive; friable; 0.5 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 and 1 percent medium faint irregular noncoherent cemented brown (7.5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU003362; observed in push tube
    Cg3—69 to 112 centimeters (27.2 to 44.1 inches); 50 percent dark gray (2.5Y 4/1) broken face and 50 percent grayish brown (2.5Y 5/2) broken face silt loam; massive; friable; 0.5 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 and 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 dark brown (7.5YR 3/4), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    Cg4—112 to 145 centimeters (44.1 to 57.1 inches); dark gray (5Y 4/1) broken face silt loam; massive; friable; 0.5 very fine roots throughout; 0.5 fine interstitial and 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 dark brown (7.5YR 3/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    Cg5—145 to 188 centimeters (57.1 to 74.0 inches); dark gray (5Y 4/1) broken face silt loam; massive; friable; 0.5 fine tubular pores; 12 percent distinct light gray (10YR 7/2), moist, sand coats on surfaces along 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 strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark brown (7.5YR 3/4), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    Cg6—188 to 218 centimeters (74.0 to 85.8 inches); 70 percent dark gray (5Y 4/1) broken face and 30 percent dark grayish brown (2.5Y 4/2) broken face silty clay loam; massive; friable; 0.5 very fine tubular pores; 12 percent faint brown (10YR 5/3), moist, sand coats on surfaces along pores; 1 percent medium faint irregular noncoherent cemented dark brown (7.5YR 3/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark brown (7.5YR 3/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n.; observed in push tube