IDENTIFIERS

  • Current Taxon Name (Soil Name): Cahaba
  • OSD
  • Series Extent
  • User Site ID: S2005AL129211
  • User Pedon ID: S2005AL129211
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - AU
  • Lab Pedon # - S05AL-129-1
  • NCSS Pedon Lab Data NASIS Record ID - 24428
  • Print Date: 5/19/2024

    • 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: 31.3678056
  • Std. Longitude: -87.9886111
  • Datum: WGS84
  • Township: 5 N
  • Range: 1 E
  • Section: 48
  • PLSS Details: 700 ft north of center of irregular section 48; Spanish Land Grant
  • Location Description: About 3.5 miles east-southeast of Sunflower, Washington Co., AL; 1,500 feet south and 2,200 feet east of the northwest corner of irregular sec. 48, T. 5 N., R. 1 E.; USGS Ginhouse Island, AL topographic quadrangle.
  • Map Unit: CaA—Cahaba fine sandy loam, 0 to 2 percent slopes, rarely flooded
  • Country: US—United States
  • State: Alabama
  • County: AL129—Washington
  • MLRA: 133A—Southern Coastal Plain
  • Regional Office: 7—Auburn, AL
  • MLRA Soil Survey Area: SE-LOX—Loxley, Alabama
  • Non-MLRA Soil Survey Area: AL129—Washington County, Alabama
  • 7.5 Minute USGS Quad: 31087-C8—Gin House Island, Alabama

    • PEDON

  • Describers Name: George Martin, Sandy Page, Joey Koptis
  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, thermic Typic hapludults
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Cahaba
  • PSC - 25 to 75 cm.
  • Classificaton Date - 9/3/2008
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Cahaba
  • Classificaton Date - 10/25/2005
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: strongly weathered, loamy alluvium derived from sedimentary, unspecified
  • Landscape: coastal plain
  • Landform: stream terrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Pattern: dendritic
  • Runoff: low
  • Drainage Class: well
  • Flooding: rare flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/25/2005 (actual site observation date)
  • Data Collector: Joey Koptis, Sandy Page, George Martin
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—25

    25—165

    —-

    —-
    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

    1

    —

    —

    8

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) fine sandy loam; 68 percent sand; 22 percent silt; 10 percent clay; weak fine granular structure; very friable; 6.0 very fine roots and 4.0 medium roots and 6.0 fine roots; fragments; extremely acid, pH 4.4; abrupt smooth boundary. Lab sample # 0529-1-1; observed in pit, small
    BE—15 to 25 centimeters (5.9 to 9.8 inches); strong brown (7.5YR 4/6) fine sandy loam; 65 percent sand; 21 percent silt; 13 percent clay; weak medium subangular blocky structure; very friable; 4.0 very fine roots and 0.5 medium roots and 4.0 fine roots; fragments; extremely acid, pH 4.3; clear smooth boundary. Lab sample # 0529-1-2; observed in pit, small
    Bt1—25 to 36 centimeters (9.8 to 14.2 inches); yellowish red (5YR 4/6) sandy clay loam; 59 percent sand; 21 percent silt; 21 percent clay; weak medium subangular blocky structure; friable; 4.0 very fine roots and 0.5 medium roots and 0.5 fine roots; fragments; extremely acid, pH 4.4; clear wavy boundary. Lab sample # 0529-1-3; observed in pit, small
    Bt2—36 to 69 centimeters (14.2 to 27.2 inches); red (2.5YR 4/6) sandy clay; 46 percent sand; 18 percent silt; 36 percent clay; moderate medium subangular blocky structure; friable; 0.5 very fine roots and 0.5 fine roots; 25 percent faint clay films on all faces of peds; fragments; extremely acid, pH 4.0; clear wavy boundary. Lab sample # 0529-1-4; observed in pit, small. patchy - phpvsfiid 417106; patchy - phpvsfiid 417106
    Bt3—69 to 89 centimeters (27.2 to 35.0 inches); red (2.5YR 4/6) sandy clay; 47 percent sand; 13 percent silt; 40 percent clay; strong medium subangular blocky structure; firm; 25 percent faint clay films on all faces of peds; 1 percent medium distinct light yellowish brown (10YR 6/4) iron depletions; fragments; extremely acid, pH 4.2; clear wavy boundary. Lab sample # 0529-1-5; observed in pit, small. patchy - phpvsfiid 417107; patchy - phpvsfiid 417107
    Bt4—89 to 117 centimeters (35.0 to 46.1 inches); red (2.5YR 5/8) sandy clay loam; 58 percent sand; 9 percent silt; 33 percent clay; moderate medium subangular blocky structure; friable; 20 percent faint clay films on all faces of peds; 1 percent coarse prominent light yellowish brown (2.5Y 6/4) iron depletions; fragments; extremely acid, pH 4.2; clear wavy boundary. Lab sample # 0529-1-6; observed in pit, small. patchy - phpvsfiid 417108; patchy - phpvsfiid 417108
    Bt5—117 to 130 centimeters (46.1 to 51.2 inches); yellowish red (5YR 5/6) sandy clay loam; 67 percent sand; 6 percent silt; 27 percent clay; moderate medium subangular blocky structure; very friable; 10 percent faint clay films on all faces of peds; fragments; extremely acid, pH 4.2; clear wavy boundary. Lab sample # 0529-1-7; observed in pit, small. patchy - phpvsfiid 417109; patchy - phpvsfiid 417109
    BC—130 to 165 centimeters (51.2 to 65.0 inches); 5YR 4/8 (5YR 4/8) fine sandy loam; 78 percent sand; 2 percent silt; 20 percent clay; weak coarse subangular blocky structure; very friable; fragments; extremely acid, pH 4.3; clear wavy boundary. Lab sample # 0529-1-8; observed in pit, small
    C1—165 to 190 centimeters (65.0 to 74.8 inches); strong brown (7.5YR 5/8) fine sandy loam; 82 percent sand; 2 percent silt; 16 percent clay; massive; very friable; fragments; extremely acid, pH 4.4; clear wavy boundary. Lab sample # 0529-1-9; observed in auger, bucket
    C2—190 to 203 centimeters (74.8 to 79.9 inches); strong brown (7.5YR 4/6) loamy fine sand; 86 percent sand; 1 percent silt; 13 percent clay; massive; very friable; fragments; extremely acid, pH 4.3. Lab sample # 0529-1-0; observed in auger, bucket