IDENTIFIERS

  • Current Taxon Name (Soil Name): Etowah
  • OSD
  • Series Extent
  • User Site ID: S2016TN001031
  • User Pedon ID: S2016TN001031
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 17N0504
  • User Project ID: ORNL_007_NEON
  • Project Name: Oak Ridge
  • Print Date: 4/21/2026

    • 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: 35.9483333
  • Std. Longitude: -84.2219444
  • Datum: WGS84
  • Map Unit: DwD—Dewey silt loam, 12 to 20 percent slopes
  • Country: US—United States
  • State: Tennessee
  • County: TN001—Anderson
  • MLRA: 128—Southern Appalachian Ridges and Valleys
  • Regional Office: 6—Morgantown, WV
  • MLRA Soil Survey Area: SE-CLI—Clinton, Tennessee
  • Non-MLRA Soil Survey Area: TN145—Roane County, Tennessee

    • PEDON

  • Describers Name: David Moore
  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, thermic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, brief description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Etowah
  • Taxonomic Class - Fine-loamy, siliceous, semiactive, thermic Typic Paleudults
  • Taxon Kind - series
  • PSC - 36 to 86 cm.
  • Classificaton Date - 9/18/2016
  • Classifier - David Moore
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Forest Overstory Veg. Type - perennial forbs or herbaceous
  • Forest Understory Veg. Type - perennial forbs or herbaceous
  • Forest Groundcover Veg. Type Dominant - perennial forbs or herbaceous
  • Hydric: no


    • SITE

  • Parent Material: fine-loamy alluvium derived from sedimentary rock
  • Landscape: river valley
  • Landform: terrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: complex
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Drainage Pattern: dendritic
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • Plot #: 31
  • RaCA Information:
  • RaCA Site ID - ORNL_031
  • DSP Plot ID - SW
  • Plot Baseline Azimuth - 300
  • Plot Baseline Length - 9
  • Plot Width - 20
  • Plot/Site Set Up By - center of pit
  • Plot or Site Recorder - David Moore

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/18/2016 (actual site observation date)
  • Data Collector: David Moore
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 23
  • Site Erosion Accelerated: water erosion sheet
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—36

    36—100

    36—36—36

    64—64—64
    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

    13

    —

    —

    238

    —

    315

    1524

    —

    217

    12

    —

    —

    —

    —

    —

    —

    —

    407834

    Rockwood 2

    A COOP-A COOP
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (7.5YR 3/4) broken face gravelly silt loam; weak fine granular structure; soft, nonsticky, nonplastic; many (10.0) very fine roots throughout and many (10.0) fine roots throughout; common (4.0) very fine moderate-continuity tubular and common (4.0) fine moderate-continuity dendritic tubular pores; 0 percent by volume nonflat subangular indurated 75-150-250 millimeter sandstone, unspecified fragments observed by displacement method and 0 percent by volume nonflat subangular indurated 20-40-75 millimeter sandstone, unspecified fragments observed by displacement method and 5 percent by volume nonflat subangular indurated 2-4-5 millimeter sandstone, unspecified fragments observed by displacement method and 15 percent by volume nonflat subangular indurated 5-15-20 millimeter sandstone, unspecified fragments observed by displacement method; 16 - 20 - 34 percent of the total horizon; slightly acid, pH 6.5, pH indicator solutions; clear smooth boundary. Lab sample # 17N02606; moderately dry when described; observed in pit, small
    AB—18 to 36 centimeters (7.1 to 14.2 inches); reddish brown (5YR 4/3) broken face gravelly silt loam; soft, nonsticky, nonplastic; 0 percent by volume nonflat subangular indurated 75-150-250 millimeter sandstone, unspecified fragments observed by displacement method and 0 percent by volume nonflat subangular indurated 20-40-75 millimeter sandstone, unspecified fragments observed by displacement method and 10 percent by volume nonflat subangular indurated 2-4-5 millimeter sandstone, unspecified fragments observed by displacement method and 10 percent by volume nonflat subangular indurated 5-15-20 millimeter sandstone, unspecified fragments observed by displacement method; 16 - 20 - 34 percent of the total horizon; moderately acid, pH 6.0, pH indicator solutions; clear smooth boundary. Lab sample # 17N02607; moderately dry when described; observed in pit, small
    Bt1—36 to 64 centimeters (14.2 to 25.2 inches); yellowish red (5YR 4/6) broken face gravelly silty clay loam; weak medium subangular blocky structure; soft, slightly sticky, slightly plastic; 30 percent distinct clay films on all faces of peds; 10 percent very fine prominent spherical noncoherent cemented iron-manganese nodules with sharp boundaries throughout; 0 percent by volume nonflat subangular indurated 75-150-250 millimeter sandstone, unspecified fragments observed by displacement method and 5 percent by volume nonflat subangular indurated 5-15-20 millimeter sandstone, unspecified fragments observed by displacement method and 10 percent by volume nonflat subangular indurated 20-40-75 millimeter sandstone, unspecified fragments observed by displacement method and 15 percent by volume nonflat subangular indurated 2-4-5 millimeter sandstone, unspecified fragments observed by displacement method; 16 - 25 - 34 percent of the total horizon; moderately acid, pH 6.0, pH indicator solutions; gradual smooth boundary. Lab sample # 17N02608; moderately dry when described; observed in pit, small
    Bt2—64 to 100 centimeters (25.2 to 39.4 inches); 88 percent dark red (2.5YR 3/6) broken face silty clay loam; 12 percent red (2.5YR 4/8) medium distinct irregular mottles; moderate medium subangular blocky structure; soft, slightly sticky, slightly plastic; 40 percent distinct clay films on all faces of peds; 20 percent fine prominent spherical noncoherent cemented iron-manganese nodules with sharp boundaries throughout; 0 percent by volume nonflat subangular indurated 75-150-250 millimeter sandstone, unspecified fragments observed by displacement method and 0 percent by volume nonflat subangular indurated 20-40-75 millimeter sandstone, unspecified fragments observed by displacement method and 5 percent by volume nonflat subangular indurated 2-4-5 millimeter sandstone, unspecified fragments observed by displacement method and 5 percent by volume nonflat subangular indurated 5-15-20 millimeter sandstone, unspecified fragments observed by displacement method; 5 - 10 - 14 percent of the total horizon; strongly acid, pH 5.5, pH indicator solutions. Lab sample # 17N02609; moderately dry when described; observed in pit, small