IDENTIFIERS

  • Current Taxon Name (Soil Name): Colbert
  • OSD
  • Series Extent
  • User Site ID: S1981AL033001
  • User Pedon ID: S1981AL033001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - AU
  • Lab Pedon # - S81AL-033-1
  • NCSS Pedon Lab Data NASIS Record ID - 24247
  • Print Date: 6/1/2024

    • 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: 34.6813889
  • Std. Longitude: -87.6983333
  • Datum: WGS84
  • Township: 4S
  • Range: 11W
  • Section: 28
  • PLSS Details: SE1/4NW1/4
  • Location Description: About 2.7 miles south of the intersection of U.S. 72 and Woodmont Avenue; 75 feet north of CR 55, in woods; Tuscumbia, Colbert County, AL.
  • State: Alabama
  • County: AL033—Colbert
  • MLRA: 128—Southern Appalachian Ridges and Valleys
  • MLRA Soil Survey Area: SE-NOR—Normal, Alabama
  • Non-MLRA Soil Survey Area: AL033—Colbert County, Alabama
  • 7.5 Minute USGS Quad: 34087-F6—Tuscumbia, Alabama

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, thermic Vertic hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Colbert (flagged as OSD)
  • PSC - 20 to 70 cm.
  • Classificaton Date - 2/24/2009
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Colbert
  • Classificaton Date - 1/22/1981
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from argillaceous limestone
  • Landscape: valley
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Pattern: dendritic
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/22/1981 (actual site observation date)
  • Data Collector: C. Bowen
  • 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
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A1

    A2

    Bt1

    Bt2

    Bt3

    Bt4

    C

    R

    0

    8

    20

    38

    66

    91

    112

    140

    8

    20

    38

    66

    91

    112

    140

    155

    81033-1-1

    81033-1-2

    81033-1-3

    81033-1-4

    81033-1-5

    81033-1-6

    81033-1-7

    —

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    8.5

    9

    37.3

    41.9

    55

    62.7

    57.9

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    53.5

    55.8

    51.8

    45.5

    35.2

    31.6

    38.2

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    38

    35.2

    10.9

    12.6

    9.8

    5.7

    3.9

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    sil

    sil

    sicl

    sic

    c

    c

    c

    —

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    5

    5

    5.1

    5.1

    5

    5.1

    7.1

    —
    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A1

    A2

    Bt1

    Bt2

    Bt3

    Bt4

    C

    R

    0

    8

    20

    38

    66

    91

    112

    140

    8

    20

    38

    66

    91

    112

    140

    155

    81033-1-1

    81033-1-2

    81033-1-3

    81033-1-4

    81033-1-5

    81033-1-6

    81033-1-7

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    1.9

    2.1

    5.9

    6.1

    6.6

    12.3

    33.6

    —

    0.1

    0.1

    0.1

    0.1

    0.2

    0.2

    0

    —

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    4

    4

    7.8

    10.4

    18.6

    12.9

    4.8

    —

    33

    34

    44

    37

    27

    49

    87

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A1

    A2

    Bt1

    Bt2

    Bt3

    Bt4

    C

    R

    0

    8

    20

    38

    66

    91

    112

    140

    8

    20

    38

    66

    91

    112

    140

    155

    81033-1-1

    81033-1-2

    81033-1-3

    81033-1-4

    81033-1-5

    81033-1-6

    81033-1-7

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    very strongly coherent

    140 - 165

    - 25 -

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

    ochric epipedon

    argillic horizon

    0—8

    8—112

    —8—

    —104—
    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

    46

    —

    170.7

    —

    90

    1421

    —

    200

    16

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2) silt loam; 38 percent sand; 54 percent silt; 9 percent clay; weak medium granular structure; friable; 1.0 medium roots and 1.0 fine roots; fragments; very strongly acid, pH 5.0; clear smooth boundary. Lab sample # 8133-1-1; moist when described; observed in pit, small
    A2—8 to 20 centimeters (3.1 to 7.9 inches); pale brown (10YR 6/3) silt loam; 35 percent sand; 56 percent silt; 9 percent clay; weak medium granular structure; friable; 4.0 medium roots and 4.0 fine roots; fragments; very strongly acid, pH 5.0; abrupt smooth boundary. Lab sample # 8133-1-2; moist when described; observed in pit, small
    Bt1—20 to 38 centimeters (7.9 to 15.0 inches); strong brown (7.5YR 5/6) silty clay loam; 11 percent sand; 52 percent silt; 37 percent clay; strong medium angular blocky structure; firm; 1.0 medium roots and 1.0 fine roots; 10 percent faint clay films on all faces of peds and 30 percent distinct pressure faces; fragments; strongly acid, pH 5.1; clear smooth boundary. Lab sample # 8133-1-3; moist when described; observed in pit, small. patchy - phpvsfiid 1075710; patchy - phpvsfiid 1075710
    Bt2—38 to 66 centimeters (15.0 to 26.0 inches); strong brown (7.5YR 5/6) silty clay; 13 percent sand; 46 percent silt; 42 percent clay; strong coarse angular blocky structure; firm; 0.5 medium roots and 0.5 fine roots; 10 percent faint clay films on all faces of peds and 40 percent distinct pressure faces; 5 percent fine distinct light gray (10YR 7/2) iron depletions and 5 percent fine distinct yellowish red (5YR 5/6) masses of oxidized iron; fragments; strongly acid, pH 5.1; gradual smooth boundary. Lab sample # 8133-1-4; moist when described; observed in pit, small. patchy - phpvsfiid 1075712; patchy - phpvsfiid 1075712
    Bt3—66 to 91 centimeters (26.0 to 35.8 inches); yellowish brown (10YR 5/6) clay; 10 percent sand; 35 percent silt; 55 percent clay; moderate coarse angular blocky structure; firm; 0.5 fine roots; 10 percent faint clay films on all faces of peds and 50 percent distinct pressure faces; 10 percent medium distinct light gray (10YR 7/2) iron depletions and 10 percent medium distinct yellowish red (5YR 5/6) masses of oxidized iron; fragments; very strongly acid, pH 5.0; gradual smooth boundary. Lab sample # 8133-1-5; moist when described; observed in pit, small. patchy - phpvsfiid 1075714; patchy - phpvsfiid 1075714
    Bt4—91 to 112 centimeters (35.8 to 44.1 inches); yellowish brown (10YR 5/6) clay; 6 percent sand; 32 percent silt; 63 percent clay; weak coarse angular blocky structure; very firm; 10 percent distinct clay films on all faces of peds and 50 percent distinct pressure faces; 30 percent medium distinct light gray (10YR 7/2) iron depletions and 30 percent medium prominent yellowish red (5YR 5/6) masses of oxidized iron; fragments; strongly acid, pH 5.1; gradual smooth boundary. Lab sample # 8133-1-6; moist when described; observed in pit, small. patchy - phpvsfiid 1075716; patchy - phpvsfiid 1075716
    C—112 to 140 centimeters (44.1 to 55.1 inches); light olive brown (2.5Y 5/4) clay; 4 percent sand; 38 percent silt; 58 percent clay; massive; very firm; 10 percent medium black (10YR 2/1) iron-manganese concretions and 20 percent medium distinct yellowish brown (10YR 5/8) masses of oxidized iron and 30 percent medium distinct light gray (10YR 7/1) iron depletions; 2 percent by volume nonflat angular moderately coherent cemented 2-10-20 millimeter limestone, unspecified fragments observed by visual inspection method; neutral, pH 7.1; abrupt wavy boundary. Lab sample # 8133-1-7; moist when described; observed in auger, bucket
    R—140 to 165 centimeters (55.1 to 65.0 inches); moderate excavation difficulty; limestone, argillaceous fragments. Lab sample # 8133-1-8