IDENTIFIERS

  • Current Taxon Name (Soil Name): Poarch
  • OSD
  • Series Extent
  • User Site ID: S2007AL129001
  • User Pedon ID: S2007AL129001
  • User Site Association ID: S2007AL129001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0019
  • NCSS Pedon Lab Data NASIS Record ID - 19342
  • Print Date: 2/17/2025

    • 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: 31.3200550
  • Std. Longitude: -88.1013031
  • Datum: WGS84
  • Township: 4N
  • Range: 1W
  • Section: 8
  • PLSS Details: SW 1/4, SE 1/4
  • Location Description: 250 feet north and 2320 west of the SE corner of Sec. 8
  • State: Alabama
  • County: AL129—Washington
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: AL129—Washington County, Alabama

    • PEDON

  • Describers Name: Rick Smith and Joey Shaw
  • Current Taxonomic Class: Coarse-loamy, siliceous, semiactive, thermic Plinthic Paleudults
  • 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 - Poarch
  • PSC - 55 to 105 cm.
  • Classificaton Date - 12/21/2009
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Poarch
  • Classificaton Date - 6/21/2007
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: unconsolidated marine sediments
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Undifferentiated formation of the Miocene (tmu) group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/21/2007 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 35
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    plinthite

    0—55

    55—182

    55—182

    10—55—58

    130—141—157

    130—141—157
    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

    3

    —

    —

    33.5

    —

    260

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) broken face loamy fine sand; moderate medium granular structure; very friable, moderate, noncoherent; rapid permeability; 2.0 medium roots throughout and 2.0 fine roots throughout; fragments; extremely acid, pH 4.0, soil test; clear wavy boundary. Lab sample # 08N00102; moderately dry when described; observed in trench
    E1—18 to 41 centimeters (7.1 to 16.1 inches); light yellowish brown (10YR 6/4) broken face fine sandy loam; weak medium subangular blocky structure; very friable, weak, noncoherent; rapid permeability; 1.0 very fine roots throughout and 1.0 fine roots throughout; 2 percent fine distinct spherical noncoherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; 1 percent by volume nonflat rounded indurated ironstone nodules fragments; extremely acid, pH 4.2, soil test; clear wavy boundary. Lab sample # 08N00103; moderately dry when described; observed in trench
    E2—41 to 55 centimeters (16.1 to 21.7 inches); brownish yellow (10YR 6/6) broken face fine sandy loam; weak medium subangular blocky structure; very friable, weak, noncoherent; rapid permeability; 1.0 fine roots throughout; 1 percent medium distinct spherical noncoherent cemented reddish yellow (7.5YR 6/8), moist, masses of oxidized iron with clear boundaries in matrix; ; 1 percent by volume nonflat subrounded weakly coherent cemented plinthite nodules fragments; extremely acid, pH 4.3, soil test; clear wavy boundary. Lab sample # 08N00104; moderately dry when described; observed in trench
    Btv1—55 to 88 centimeters (21.7 to 34.6 inches); yellowish brown (10YR 5/8) broken face sandy loam; moderate medium subangular blocky structure; very friable, moderate, noncoherent; moderately rapid permeability; 1 percent faint clay films between sand grains; 1 percent medium distinct spherical noncoherent cemented red (2.5YR 4/8), moist, masses of oxidized iron with clear boundaries in matrix; 5 percent by volume nonflat subrounded weakly coherent cemented ? to 3-? millimeter plinthite nodules fragments; extremely acid, pH 4.3, soil test; clear wavy boundary. Lab sample # 08N00105; moderately dry when described; observed in trench. discontinuous - phpvsfiid 1592078; discontinuous - phpvsfiid 1592078
    Btv2—88 to 120 centimeters (34.6 to 47.2 inches); yellowish brown (10YR 5/8) broken face sandy loam; moderate medium subangular blocky structure; firm, strong, moderately coherent; moderate permeability; 1 percent faint clay films on all faces of peds; 1 percent medium distinct irregular noncoherent cemented yellowish red (5YR 5/8), moist, masses of oxidized iron with clear boundaries in matrix and 3 percent medium distinct irregular noncoherent cemented light yellowish brown (10YR 6/4), moist, iron depletions with diffuse boundaries in matrix; 6 percent by volume nonflat subrounded weakly coherent cemented ? to 5-? millimeter plinthite nodules fragments; extremely acid, pH 4.2, soil test; clear wavy boundary. Lab sample # 08N00106; slightly moist when described; observed in trench. discontinuous - phpvsfiid 1592079; discontinuous - phpvsfiid 1592079
    Btv3—120 to 151 centimeters (47.2 to 59.4 inches); variegated 30 percent yellowish brown (10YR 5/8) crushed and 30 percent light brownish gray (10YR 6/2) crushed and 25 percent red (2.5YR 4/8) crushed and 15 percent red (2.5YR 4/6) crushed sandy loam; moderate medium subangular blocky structure; firm, strong, strongly coherent; moderate permeability; 5 percent faint clay films on all faces of peds; 5 percent by volume nonflat subrounded noncoherent cemented ? to 5-? millimeter plinthite nodules fragments; extremely acid, pH 4.2, soil test; gradual wavy boundary. Lab sample # 08N00107; moist when described; observed in trench. continuous - phpvsfiid 1592080; continuous - phpvsfiid 1592080
    Btv4—151 to 182 centimeters (59.4 to 71.7 inches); variegated 50 percent yellowish brown (10YR 5/6) crushed and 40 percent light gray (10YR 7/1) crushed and 10 percent red (10R 4/8) crushed sandy loam; moderate medium subangular blocky structure; firm, strong, strongly coherent; moderate permeability; faint clay films on all faces of peds; 5 percent by volume nonflat subrounded moderately coherent cemented ? to 5-? millimeter plinthite nodules fragments; extremely acid, pH 4.2, soil test; clear wavy boundary. Lab sample # 08N00108; moist when described; observed in trench. continuous - phpvsfiid 1592081; continuous - phpvsfiid 1592081
    CB—182 to 203 centimeters (71.7 to 79.9 inches); yellowish red (5YR 5/6) crushed sandy loam; weak medium subangular blocky structure; friable, weak, weakly coherent; moderate permeability; 3 percent medium distinct irregular noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix surrounding redox depletions and 3 percent medium distinct irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries in matrix surrounding redox concentrations; fragments; extremely acid, pH 4.3, soil test. Lab sample # 08N00109; moist when described; observed in trench