IDENTIFIERS

  • Current Taxon Name (Soil Name): Sansdessein
  • OSD
  • Series Extent
  • User Site ID: 2009MO183005
  • User Pedon ID: 2009MO183005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0918305
  • NCSS Pedon Lab Data NASIS Record ID - 26006
  • 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: 38.8346389
  • Std. Longitude: -90.1659722
  • Datum: WGS84
  • 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: Grant Butler, Mike Cook
  • Current Taxonomic Class: Fine, smectitic, mesic Fluvaquentic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 305
  • Correlated Information:
  • Soil Name - Sansdessein
  • PSC - 25 to 102 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sansdessein
  • Classificaton Date - 6/18/2009
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey alluvium derived from mixed over loamy alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood-plain step
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: poorly
  • Flooding: occasional flooding for long periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/18/2009 (actual site observation date)
  • Air Photo ID: 38090g2
  • 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—58

    58—180

    —58—

    —122—
    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

    —

    —

    126.2

    —

    154

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 8 centimeters (0.0 to 3.1 inches); very dark brown (10YR 2/2) interior, dark grayish brown (10YR 4/2) interior, dry; silty clay loam; weak very fine and fine subangular blocky structure; firm; 3.0 very fine roots throughout; 3.0 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    A1—8 to 38 centimeters (3.1 to 15.0 inches); very dark brown (10YR 2/2) interior, dark grayish brown (10YR 4/2) interior, dry; silty clay; moderate fine angular blocky, and moderate fine subangular blocky structure; very firm; 0.5 very fine roots throughout; 0.5 very 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; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU006528; observed in push tube
    A2—38 to 58 centimeters (15.0 to 22.8 inches); very dark brown (10YR 2/2) interior, dark grayish brown (10YR 4/2) interior, dry; silty clay; moderate fine angular blocky structure; firm; 0.5 very fine roots throughout; 0.5 very 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; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU006529; observed in push tube
    Bg1—58 to 114 centimeters (22.8 to 44.9 inches); 55 percent dark grayish brown (10YR 4/2) interior and 45 percent very dark gray (10YR 3/1) interior silty clay; moderate fine angular blocky, and weak fine subangular blocky structure; firm; 0.5 very fine roots throughout; 0.5 very 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
    Bg2—114 to 140 centimeters (44.9 to 55.1 inches); very dark brown (10YR 2/2) interior silty clay; moderate fine angular blocky, and moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout; 3.0 very 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. Lab sample # MU006531; observed in push tube
    Bg3—140 to 180 centimeters (55.1 to 70.9 inches); 60 percent dark grayish brown (10YR 4/2) interior and 40 percent very dark grayish brown (10YR 3/2) interior silty clay loam; weak fine subangular blocky structure; friable; 0.5 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented 7.5YR 4/8 (7.5YR 4/8), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # MU006532; observed in push tube
    2Cg—180 to 211 centimeters (70.9 to 83.1 inches); 50 percent dark grayish brown (10YR 4/2) interior and 50 percent grayish brown (10YR 5/2) interior stratified stratified very fine sandy loam to silt loam; massive; very firm; 0.5 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented 7.5YR 4/8 (7.5YR 4/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n. Lab sample # MU006533; observed in push tube