IDENTIFIERS

  • Current Taxon Name (Soil Name): Memphis
  • OSD
  • Series Extent
  • User Site ID: 1998LA097003
  • User Pedon ID: 1998LA097003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 98P0530
  • NCSS Pedon Lab Data NASIS Record ID - 10800
  • Print Date: 5/5/2024
  • 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: 30.4282778
  • Std. Longitude: -92.0279722
  • Datum: WGS84
  • State: Louisiana
  • County: LA097—St. Landry
  • MLRA: 134—Southern Mississippi Valley Loess
  • Regional Office: 7—Auburn, AL
  • MLRA Soil Survey Area: SE-DEN—Denham Springs, Louisiana
  • PEDON

  • Describers Name: Don McDaniel, Gerald Trahan, and Charles Guillory
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Memphis
  • PSC - 41 to 91 cm.
  • Classificaton Date - 7/20/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • QA Status: level 3


  • SITE

  • Landscape: upland
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/20/1998 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—41

    41—168

    —-

    —-

    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

    2

    Ap—0 to 22 centimeters (0.0 to 8.7 inches); dark grayish brown (10YR 4/2); weak fine granular structure; friable; 25.0 very fine and fine roots throughout; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 98P03059
    E—22 to 41 centimeters (8.7 to 16.1 inches); brown (7.5YR 5/4); weak fine subangular blocky structure; friable; 18.0 very fine and fine roots throughout; 0.9 very fine and fine tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 98P03060
    Bt1—41 to 74 centimeters (16.1 to 29.1 inches); brown (7.5YR 5/4); moderate medium subangular blocky structure; firm; 15.0 very fine and fine roots throughout; 7.0 very fine and fine tubular pores; distinct dark brown (7.5YR 3/2) clay films on faces of peds and 12 percent distinct brown (10YR 5/3) silt coats on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 98P03061. discontinuous - phpvsfiid 121226; discontinuous - phpvsfiid 121227; discontinuous - phpvsfiid 121226; discontinuous - phpvsfiid 121227
    Bt2—74 to 109 centimeters (29.1 to 42.9 inches); brown (7.5YR 4/4); moderate medium subangular blocky structure; firm; 10.0 very fine and fine roots throughout; 7.0 very fine and fine tubular pores; distinct dark brown (7.5YR 3/2) clay films on faces of peds and in pores and 10 percent distinct brown (10YR 5/3) silt coats on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 98P03062. discontinuous - phpvsfiid 121228; discontinuous - phpvsfiid 121229; discontinuous - phpvsfiid 121228; discontinuous - phpvsfiid 121229
    Bt3—109 to 138 centimeters (42.9 to 54.3 inches); brown (7.5YR 4/4); moderate medium subangular blocky structure; firm; 0.9 very fine and fine roots between peds; 4.0 very fine and fine tubular pores; distinct clay films on faces of peds and in pores and 5 percent faint brown (10YR 5/3) silt coats throughout; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 98P03063. patchy - phpvsfiid 121230; discontinuous - phpvsfiid 121231; patchy - phpvsfiid 121230; discontinuous - phpvsfiid 121231
    Bt4—138 to 168 centimeters (54.3 to 66.1 inches); brown (7.5YR 4/4); moderate medium subangular blocky structure; firm; 0.9 very fine and fine roots between peds; 4.0 very fine and fine tubular pores; 20 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 98P03064. discontinuous - phpvsfiid 121232; discontinuous - phpvsfiid 121232
    BC—168 to 200 centimeters (66.1 to 78.7 inches); brown (7.5YR 4/4); weak medium subangular blocky structure; friable; 4.0 very fine and fine tubular pores; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 98P03065
    C1—200 to 241 centimeters (78.7 to 94.9 inches); brown (7.5YR 5/4); massive; friable; 0.9 very fine tubular pores; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 98P03066
    C2—241 to 300 centimeters (94.9 to 118.1 inches); brown (7.5YR 4/4); massive; friable; 0.9 very fine tubular pores; fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # 98P03067