IDENTIFIERS

  • Current Taxon Name (Soil Name): SANSDESSEIN
  • OSD
  • Series Extent
  • User Site ID: 2007MO189002
  • User Pedon ID: 2007MO189002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0718902
  • NCSS Pedon Lab Data NASIS Record ID - 25504
  • Print Date: 11/24/2024

    • 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: 38.8063889
  • Std. Longitude: -90.1547778
  • Datum: WGS84
  • PLSS Details: 8,403 feet East and 3,100 feet South from the South West corner of Survey 1958,
  • 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: Fine, smectitic, superactive, mesic Fluvaquentic Hapludolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - SANSDESSEIN
  • 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 - GILLIAM
  • Classificaton Date - 3/8/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood-plain step
  • Geomorphic Component Hills: interfluve
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • 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: 38090g2se
  • 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

    cambic horizon

    aquic conditions

    0—43

    43—127

    56—

    —43—

    —84—

    —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

    0.5

    —

    —

    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; 10.0 very fine roots throughout and 10.0 fine roots throughout; 10.0 very fine tubular and 3.0 fine tubular pores; 5 percent very dark grayish brown (10YR 3/2), moist, worm casts throughout; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU002869; observed in push tube
    A—15 to 43 centimeters (5.9 to 16.9 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silty clay loam; moderate fine and medium subangular blocky structure; friable; 10.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 0.5 fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU002870; observed in push tube
    Bw—43 to 56 centimeters (16.9 to 22.0 inches); 60 percent dark grayish brown (10YR 4/2) broken face and 40 percent very dark grayish brown (10YR 3/2) broken face silty clay; moderate very fine and fine subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine tubular and 0.5 fine tubular pores; 20 percent very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    Bg1—56 to 81 centimeters (22.0 to 31.9 inches); 80 percent dark grayish brown (10YR 4/2) broken face and 20 percent very dark grayish brown (10YR 3/2) broken face silty clay; moderate very fine and fine angular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine tubular and 0.5 fine tubular pores; 10 percent very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    Bg2—81 to 127 centimeters (31.9 to 50.0 inches); 50 percent dark grayish brown (10YR 4/2) broken face and 50 percent very dark grayish brown (10YR 3/2) broken face silt loam; moderate fine and medium subangular blocky structure; very friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine tubular and 0.5 fine tubular pores; 10 percent dark grayish brown (10YR 4/2), moist, organic stains on all faces of peds; 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; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    Cg1—127 to 183 centimeters (50.0 to 72.0 inches); 70 percent grayish brown (10YR 5/2) interior and 30 percent dark grayish brown (10YR 4/2) interior stratified very fine sandy loam; massive; very friable; 0.5 very fine roots throughout and 0.5 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 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 # MU002874; observed in push tube
    Cg2—183 to 216 centimeters (72.0 to 85.0 inches); 50 percent grayish brown (10YR 5/2) interior and 50 percent light brownish gray (10YR 6/2) interior stratified stratified very fine sandy loam to silt loam; massive; very friable; 0.5 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 and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n. Lab sample # MU002875; observed in push tube