IDENTIFIERS

  • Current Taxon Name (Soil Name): Topsey
  • OSD
  • Series Extent
  • User Site ID: S99TX099001
  • User Pedon ID: S99TX099001
  • Vegetation Plot ID: S99TX099001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - TAMU
  • Lab Pedon # - S99TX099001
  • NCSS Pedon Lab Data NASIS Record ID - 87700
  • Print Date: 1/25/2025

    • 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: 31.3614140
  • Std. Longitude: -97.7518768
  • Datum: WGS84
  • Location Description: Fort Hood Military Base

    • PEDON

  • Describers Name: Sam Brown, Tom Cyprian, James Greenwade, Fred Shrunk, Sidney Paulson
  • Current Taxonomic Class: Fine-loamy, carbonatic, thermic Udic Calciustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Topsey
  • PSC - 25 to 50 cm.
  • Classificaton Date - 9/15/2011
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Topsey
  • Classificaton Date - 10/25/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: side slope
  • Slope Position: middle third
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Geology: Walnut formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/25/1999 (actual site observation date)
  • Air Photo ID: 33
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - partly cloudy
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AMBRO

    ANDRO2

    BOCU

    BOSA

    NALE3

    SPCOC2

    Ambrosia

    Andropogon

    Bouteloua curtipendula

    Bothriochloa saccharoides

    Nassella leucotricha

    Sporobolus compositus var. compositus

    ragweed

    bluestem

    sideoats grama

    silver bluestem

    Texas wintergrass

    composite dropseed

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

    mollic epipedon

    calcic horizon

    0—43

    43—152

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    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

    5

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    180

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    A—0 to 25 centimeters (0.0 to 9.8 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silty clay; moderate medium platy, and moderate medium subangular blocky structure; hard, firm; 3.0 medium roots throughout and 5.0 fine roots throughout; 10.0 medium tubular and 10.0 fine vesicular pores; 3 percent fine irregular moderately coherent cemented carbonate concretions; fragments; strong effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # TAMU6435; observed in trench
    Bw—25 to 43 centimeters (9.8 to 16.9 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; very paragravelly clay loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; hard, firm; 1.0 medium roots throughout and 3.0 fine roots throughout; 5.0 medium tubular and 5.0 fine vesicular pores; 3 percent fine carbonate concretions; 15 percent by volume weakly coherent cemented limestone, unspecified fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # TAMU6436; observed in trench
    Bk1—43 to 64 centimeters (16.9 to 25.2 inches); yellow (2.5Y 7/6) interior, yellow (2.5Y 7/6) interior, moist; loam; weak medium subangular blocky, and weak fine subangular blocky structure; hard, friable; 1.0 medium roots throughout; 20 percent coarse carbonate masses; fragments; violent effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # TAMU6437; observed in trench
    Bk2—64 to 99 centimeters (25.2 to 39.0 inches); yellow (2.5Y 7/6) interior, olive yellow (2.5Y 6/6) interior, moist; silty clay loam; weak fine subangular blocky, and weak medium subangular blocky structure; hard, firm; 1.0 medium roots throughout; 20 percent coarse carbonate masses; fragments; violent effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # TAMU6438; observed in trench
    Bk3—99 to 152 centimeters (39.0 to 59.8 inches); yellow (2.5Y 7/6) interior, olive yellow (2.5Y 6/6) interior, moist; silty clay loam; weak medium subangular blocky, and weak fine subangular blocky structure; hard, friable; 1.0 medium roots throughout; 20 percent medium distinct light gray (2.5Y 7/2), dry, reduced matrix; 35 percent coarse carbonate masses; fragments; violent effervescence, by hcl, 1n. Lab sample # TAMU6439; observed in trench