IDENTIFIERS

  • Current Taxon Name (Soil Name): Crevasse
  • OSD
  • Series Extent
  • User Site ID: LA107 CVB Crevasse TL
  • User Pedon ID: S2000LA107001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 01P0360
  • NCSS Pedon Lab Data NASIS Record ID - 13130
  • 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: 32.1102791
  • Std. Longitude: -91.0905533
  • Datum: WGS84
  • Township: 13N
  • Range: 13E
  • Section: 28
  • PLSS Details: N1/2 Arpent
  • Map Unit: CVB—Crevasse and Bruno soils, gently undulating, frequently flooded
  • State: Louisiana
  • County: LA107—Tensas
  • MLRA: 131—Southern Mississippi Valley Alluvium
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: LA107—Tensas Parish, Louisiana
  • 7.5 Minute USGS Quad: 32091-A1—Grand Gulf, Mississippi

    • PEDON

  • Describers Name: bill boyd
  • Current Taxonomic Class: Mixed, nonacid, thermic Typic Udipsamments
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Crevasse
  • PSC - 10 to 100 cm.
  • Classificaton Date - 12/21/2009
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Crevasse
  • Taxonomic Class - Nonacid, thermic Typic Udipsamment
  • Taxon Kind - series
  • Classificaton Date - 8/27/1995
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: sandy Mississippi River alluvium
  • Landscape: alluvial plain
  • Landform: ridge point bar, active crevasse filling, high natural levee
  • Runoff: very low
  • Drainage Class: excessively
  • Flooding: frequent flooding for very long periods
  • Geology: Alluvial Flood Plain formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/27/1995 (actual site observation date)
  • Air Photo ID: AS-10D
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

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    —

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    23

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    8163

    ST JOSEPH EXPERIMENTAL STATION

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    A1—0 to 10 centimeters (0.0 to 3.9 inches); 90 percent dark grayish brown (10YR 4/2) broken face loamy sand; structureless single grain; loose, loose, nonsticky, nonplastic; brittle; rapid permeability; 0.5 medium roots throughout and 4.0 fine roots throughout; fragments; noneffervescent; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary.; observed in push tube
    C1—10 to 56 centimeters (3.9 to 22.0 inches); 90 percent brown (10YR 5/3) broken face stratified stratified loamy sand; 15 percent dark gray (10YR 4/1) fine distinct mottles; structureless single grain; loose, loose, nonsticky, nonplastic; brittle; rapid permeability; 0.5 medium roots throughout and 4.0 fine roots throughout; fragments; noneffervescent; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 01P02172; observed in push tube
    C2—56 to 213 centimeters (22.0 to 83.9 inches); 90 percent grayish brown (2.5Y 5/2) broken face loamy sand; structureless single grain; loose, loose, nonsticky, nonplastic; brittle; 1 percent medium distinct spherical noncoherent cemented brown (10YR 5/3), dry, masses of oxidized iron with clear boundaries on faces of peds; fragments.; observed in push tube