IDENTIFIERS

  • Current Taxon Name (Soil Name): Memphis
  • OSD
  • Series Extent
  • User Site ID: 2002MO06901
  • User Pedon ID: 2002MO06901
  • Vegetation Plot ID: 2002MO06901
  • Transect:
  • User Transect ID - Morris State Park
  • Transect Stop Number - 1
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0206901
  • NCSS Pedon Lab Data NASIS Record ID - 30601
  • Print Date: 2/16/2025

    • 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: 36.5486306
  • Std. Longitude: -90.0400139
  • Datum: WGS84
  • Township: 22N
  • Range: 9E
  • Section: 13
  • PLSS Details: 2240 ft east and 2180 ft north of the southwest corner
  • State: Missouri
  • County: MO069—Dunklin
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: MO069—Dunklin County, Missouri

    • PEDON

  • Describers Name: Rod Taylor, Kevin Godsey, Dennis Meinert
  • Current Taxonomic Class: Fine-silty, mixed, superactive, thermic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: research site
  • Pedon Record Orgin: Windows Pedon
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Memphis
  • PSC - 10 to 60 cm.
  • Classificaton Date - 1/10/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Memphis
  • Classificaton Date - 3/27/2002
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: loess bluff
  • Slope Complexity: simple
  • Slope Shape Across: undulating
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/27/2002 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: landslip erosion highly deformed
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QUAL

    QUVE

    QUST

    Quercus alba

    Quercus velutina

    Quercus stellata

    white oak

    black oak

    post oak

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—10

    10—168

    —10—

    —158—
    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

    6

    —

    —

    139.6

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    250

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    A—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (10YR 3/3) interior silt loam; 1 percent sand; 79 percent silt; 18 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; friable; moderately rapid permeability; low excavation difficulty; 3.0 very fine roots throughout and 10.0 fine roots throughout; 10.0 fine high-continuity interstitial pores; fragments; very strongly acid, pH 4.7; abrupt smooth boundary. Lab sample # MU023292; moderately moist when described; observed in pit, small
    Bt1—10 to 58 centimeters (3.9 to 22.8 inches); dark yellowish brown (10YR 4/6) interior silty clay loam; 66 percent silt; 33 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; firm; moderate permeability; low excavation difficulty; 3.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 10.0 coarse roots throughout; 10.0 very fine moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 10 percent faint dark yellowish brown (10YR 4/6), moist, clay films on vertical faces of peds; fragments; very strongly acid, pH 4.5; clear smooth boundary. Lab sample # MU023293; moderately moist when described; observed in pit, small. patchy - phpvsfiid 777129; patchy - phpvsfiid 777129
    Bt2—58 to 99 centimeters (22.8 to 39.0 inches); dark yellowish brown (10YR 4/6) interior silt loam; 1 percent sand; 73 percent silt; 25 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; firm; moderate permeability; moderate excavation difficulty; 0.5 very fine roots throughout; 3.0 very fine moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 5 percent distinct pale brown (10YR 6/3), moist, silt coats and 20 percent distinct brown (10YR 4/3), moist, clay films; fragments; very strongly acid, pH 4.7; gradual smooth boundary. Lab sample # MU023294; moist when described; observed in pit, small. discontinuous - phpvsfiid 777130; continuous - phpvsfiid 777131; discontinuous - phpvsfiid 777130; continuous - phpvsfiid 777131
    Bt3—99 to 165 centimeters (39.0 to 65.0 inches); dark yellowish brown (10YR 4/6) interior silt loam; 1 percent sand; 81 percent silt; 17 percent clay; moderate medium prismatic, and moderate coarse prismatic structure; firm; moderate permeability; moderate excavation difficulty; 5 percent faint dark yellowish brown (10YR 4/6), moist, clay films on vertical faces of peds; fragments; strongly acid, pH 5.3. Lab sample # MU023295; slightly dry when described; observed in pit, small. discontinuous - phpvsfiid 777132; discontinuous - phpvsfiid 777132