IDENTIFIERS

  • Current Taxon Name (Soil Name): LOWMO
  • OSD
  • Series Extent
  • User Site ID: 2007MO189001
  • User Pedon ID: 2007MO189001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718901
  • NCSS Pedon Lab Data NASIS Record ID - 25759
  • 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: 38.8077778
  • Std. Longitude: -90.1624167
  • Datum: WGS84
  • PLSS Details: 1,066 feet West and 1,395 feet North from the South East corner of Survey 329,
  • Country: US—United States
  • State: Missouri
  • County: MO189—St. Louis
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO189—St. Louis County and St. Louis City, Missouri
  • 7.5 Minute USGS Quad: 38090-G2—Columbia Bottom, Missouri

    • PEDON

  • Describers Name: Grant Butler, Mike Cook
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, mesic Pachic Hapludolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 1
  • 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 - Lowmo
  • Classificaton Date - 3/7/2007
  • 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: convex
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: occasional flooding for long periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/7/2007 (actual site observation date)
  • Air Photo ID: 38090g2se
  • 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

    aquic conditions

    0—51

    51—109

    196—

    —51—

    —58—

    —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

    —

    —

    128

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—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; silt loam; weak very fine and fine subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU004700; observed in push tube
    A—15 to 51 centimeters (5.9 to 20.1 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; moderate very fine and fine subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 medium tubular and 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; 2 percent very dark grayish brown (10YR 3/2), moist, worm casts throughout; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU004701; observed in push tube
    Bw1—51 to 76 centimeters (20.1 to 29.9 inches); 70 percent dark grayish brown (10YR 4/2) broken face and 30 percent brown (10YR 4/3) broken face silt loam; moderate very fine and fine subangular blocky structure; friable; 0.5 very fine roots throughout; 10.0 very fine tubular 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; 5 percent dark grayish brown (10YR 4/2), moist, worm casts throughout; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU004702; observed in push tube
    Bw2—76 to 91 centimeters (29.9 to 35.8 inches); dark grayish brown (10YR 4/2) broken face silt loam; weak fine and medium subangular blocky structure; very friable; 0.5 very fine roots throughout; 10.0 very fine tubular 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; 3 percent dark grayish brown (10YR 4/2), moist, worm casts throughout; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU004703; observed in push tube
    BC—91 to 109 centimeters (35.8 to 42.9 inches); 70 percent grayish brown (10YR 5/2) broken face and 30 percent brown (10YR 5/3) broken face silt loam; weak fine and medium subangular blocky structure; very friable; 0.5 very fine roots throughout; 3.0 very fine tubular 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; 1 percent dark grayish brown (10YR 4/2), moist, worm casts throughout; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU004704; observed in push tube
    C—109 to 150 centimeters (42.9 to 59.1 inches); 80 percent grayish brown (10YR 5/2) interior and 20 percent dark grayish brown (10YR 4/2) interior stratified very fine sandy loam; massive; very friable; 3.0 very fine tubular and 0.5 fine tubular pores; 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; gradual smooth boundary.; observed in push tube
    Ck—150 to 196 centimeters (59.1 to 77.2 inches); 60 percent dark grayish brown (10YR 4/2) interior and 40 percent grayish brown (10YR 5/2) interior stratified very fine sandy loam; massive; very friable; 3.0 very fine tubular 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; 2 percent light gray (10YR 7/2), moist, carbonate masses along lamina or strata surfaces; fragments; slight effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # MU004706; observed in push tube
    Ckg—196 to 229 centimeters (77.2 to 90.2 inches); 60 percent dark grayish brown (10YR 4/2) interior and 30 percent grayish brown (10YR 5/2) interior and 10 percent gray (10YR 5/1) interior stratified very fine sandy loam; massive; very friable; 3.0 very fine tubular 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 yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; 2 percent light gray (10YR 7/2), moist, carbonate masses along lamina or strata surfaces; fragments; slight effervescence, by hcl, 1n.; observed in push tube