IDENTIFIERS

  • Current Taxon Name (Soil Name): Chatom
  • OSD
  • Series Extent
  • User Site ID: S2010AL129004
  • User Pedon ID: S2010AL129004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - LIMS
  • Lab Pedon # - 11N6979
  • NCSS Pedon Lab Data NASIS Record ID - 56621
  • Print Date: 12/11/2024

    • 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: 31.2699500
  • Std. Longitude: -88.1389600
  • Datum: WGS84
  • Township: 6N
  • Range: 3W
  • Section: 36
  • PLSS Details: NE1/4, NE1/4
  • Location Description: Washington County, Alabama; near the southeast corner of Chatom city limit; about 75 feet south and 1,250 feet west of the northeast corner of Section 36; T.6N., R. 3 W
  • Map Unit: ChB—Chatom fine sandy loam, 2 to 5 percent slopes
  • 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: 31088-C2—Seaboard, Alabama

    • PEDON

  • Describers Name: Jerome Langlinais
  • Current Taxonomic Class: Fine-loamy, siliceous, subactive, thermic Aquic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Chatom (flagged as OSD)
  • PSC - 29 to 79 cm.
  • Classificaton Date - 3/25/2001
  • Classifier - Joey Shaw
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Chatom
  • Taxonomic Class - Fine-loamy, siliceous, semiactive, thermic Aquic Hapludults
  • Taxon Kind - series
  • PSC - 29 to 79 cm.
  • Classificaton Date - 5/5/2010
  • Classifier - Jerome Langlinais
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QA Status: level 3


    • SITE

  • Parent Material: fine-loamy fluviomarine deposits derived from sedimentary rock over Miocene-age clayey
  • Landscape: southern coastal plain
  • Landform: dissected ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Pattern: dendritic
  • Runoff: low
  • Ksat Class Upper: moderately low
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/5/2010 (actual site observation date)
  • Data Collector: Jerome Langlinais
  • Air Photo ID: 12A
  • Surface Water Kind: none observed
  • Hydrology Status: unaltered
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - native shrubs
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - yes
  • Forest Rotation Stage - late
  • Current Weather - sunny
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    strongly contrasting textural stratification

    —

    185 - 203

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

    ochric epipedon

    argillic horizon

    aquic conditions

    strongly contrasting particle size class

    0—29

    29—79

    68—203

    185—203

    —29—

    —50—

    —135—

    —18—
    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

    30

    —

    45.7

    —

    75

    1616

    —

    230

    18.5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3) fine sandy loam; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; many very fine roots and common medium roots and common fine roots; , 7 percent by weight nonflat rounded very strongly coherent cemented 2-3-5 millimeter iron-manganese concretions fragments; clear smooth boundary.; moist when described; observed in pit, small
    E—8 to 29 centimeters (3.1 to 11.4 inches); light yellowish brown (10YR 6/4) very fine sandy loam; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; common very fine roots and common medium roots and common fine roots and few coarse roots; , 2 percent by weight nonflat rounded very strongly coherent cemented 2-3-5 millimeter iron-manganese concretions fragments; clear smooth boundary.; moist when described; observed in pit, small
    Bt1—29 to 68 centimeters (11.4 to 26.8 inches); yellowish brown (10YR 5/8) sandy clay loam; moderate medium subangular blocky structure; moderately hard, firm, slightly sticky, slightly plastic; common medium roots and common fine roots and few coarse roots; 25 percent distinct yellowish brown (10YR 5/6), moist, clay films on all faces of peds; 2 percent fine prominent yellowish red (5YR 5/6), moist, masses of oxidized iron and 5 percent medium distinct strong brown (7.5YR 5/8), moist, masses of oxidized iron; fragments; clear wavy boundary.; moist when described; observed in pit, small
    Bt2—68 to 112 centimeters (26.8 to 44.1 inches); brownish yellow (10YR 6/6) sandy clay loam; strong coarse subangular blocky parts to moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; few medium roots and few fine roots and few coarse roots; 25 percent distinct yellowish brown (10YR 5/6), moist, clay films on all faces of peds and 50 percent clay bridges between sand grains; 5 percent medium prominent yellowish red (5YR 4/6), moist, masses of oxidized iron and 5 percent medium prominent light brownish gray (2.5Y 6/2), moist, iron depletions; 2 percent fine mica flakes, unspecified; fragments; gradual irregular boundary.; moist when described; observed in pit, small
    Bt3—112 to 185 centimeters (44.1 to 72.8 inches); variegated 40 percent light gray (10YR 7/2) and 35 percent brownish yellow (10YR 6/6) and 25 percent pale brown (10YR 6/3) sandy clay loam; strong coarse angular blocky parts to moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; few fine roots and few coarse roots; 25 percent distinct yellowish brown (10YR 5/6) clay films on all faces of peds and 50 percent clay bridges between sand grains; 5 percent medium prominent brownish yellow (10YR 6/8), moist, masses of oxidized iron and 5 percent medium prominent red (2.5YR 4/8), moist, masses of oxidized iron; 2 percent fine mica flakes, unspecified; fragments; gradual irregular boundary.; moist when described; observed in pit, small
    2B/C—185 to 203 centimeters (72.8 to 79.9 inches); 30 percent light gray (10YR 7/1) and 30 percent light gray (10YR 7/2) and 40 percent brownish yellow (10YR 6/8) clay; structureless massive, and weak coarse prismatic, and strong medium angular blocky; very hard, very firm, moderately sticky, moderately plastic; 1 percent medium prominent dark reddish brown (2.5YR 3/4), moist, masses of oxidized iron and 5 percent medium prominent red (2.5YR 5/8), moist, masses of oxidized iron and 5 percent medium prominent strong brown (7.5YR 5/6), moist, masses of oxidized iron; 2 percent fine mica flakes, unspecified; fragments.; moist when described; observed in auger, bucket