IDENTIFIERS

  • Current Taxon Name (Soil Name): Karnak
  • OSD
  • Series Extent
  • User Site ID: S2016KY059001
  • User Pedon ID: S2016KY059001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 16N0953
  • NCSS Pedon Lab Data NASIS Record ID - 85230
  • Print Date: 4/27/2025

    • 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: 37.7273920
  • Std. Longitude: -87.3763660
  • Datum: WGS84
  • Location Description: Located in Daviess County, KY, down a gravel lane. 186 feet SE of Smock Creek, .32 miles NW of Curdsville-Delaware Road, .46 miles SE of the Green River, 2.5 miles SW of Curdsville. Delaware Quadrangle. This site was sampled for NWCA 16-6080.
  • Map Unit: Ks—Karnak silty clay, 0 to 2 percent slopes, frequently flooded
  • Country: US—United States
  • State: Kentucky
  • County: KY059—Daviess
  • MLRA: 120A—Kentucky and Indiana Sandstone and Shale Hills and Valleys, Southern Part
  • Regional Office: 6—Morgantown, WV
  • MLRA Soil Survey Area: NE-OWN—Owensboro, Kentucky
  • Non-MLRA Soil Survey Area: KY615—Daviess and Hancock Counties, Kentucky
  • 7.5 Minute USGS Quad: 37087-F4—Delaware, Kentucky

    • PEDON

  • Describers Name: McCauley, Gehring, Domenech, Pedley, Neyhouse
  • Current Taxonomic Class: Fine, smectitic, nonacid, mesic Vertic Endoaquepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Karnak
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/7/2016
  • Classifier - McCauley
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Newark
  • Taxonomic Class - Fine-silty, mixed, active, nonacid, mesic Fluventic Endoaquepts
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/7/2016
  • Classifier - McCauley
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: yes


    • SITE

  • Parent Material: clayey alluvium
  • Landscape: river valley
  • Landform: flood plain
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: poorly
  • Flooding: frequent flooding for long periods begining in dec
  • Ponding: none ponding
  • Geology: Alluvium formation of the Alluvium group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/7/2016 (actual site observation date)
  • Data Collector: McCauley, Gehring, Domenech, Pedley, Neyhouse
  • Air Photo ID: 27
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    cambic horizon

    endosaturation

    redox depletions with chroma 2 or less

    0—11

    11—203

    11—203

    11—203

    —11—

    —192—

    —192—

    —192—
    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

    0.5

    —

    —

    112

    —

    1175

    —

    192

    13.8

    24.6

    1.9

    —

    —

    —

    —

    —

    KY6091

    Owensboro 3 W

    coop
    A—0 to 11 centimeters (0.0 to 4.3 inches); dark grayish brown (10YR 4/2) silty clay; 6 percent sand; 43 percent clay; weak fine subangular blocky structure; firm; many (8.0) fine roots throughout; fragments; neutral, pH 6.6, pH meter; abrupt smooth boundary. Lab sample # 16N04238; moist when described; observed in pit, small
    Bg1—11 to 32 centimeters (4.3 to 12.6 inches); gray (10YR 5/1) silty clay; 5 percent sand; 47 percent clay; strong medium angular blocky structure; firm; many (8.0) fine roots throughout; 1 percent fine prominent spherical weakly coherent cemented black (10YR 2/1), moist, manganese coatings with sharp boundaries in matrix and 21 percent fine prominent irregular weakly coherent cemented strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 7.2, pH meter; gradual smooth boundary. Lab sample # 16N04239; moist when described; observed in pit, small
    Bg2—32 to 64 centimeters (12.6 to 25.2 inches); light brownish gray (10YR 6/2) silty clay; 3 percent sand; 46 percent clay; strong medium prismatic parts to strong medium angular blocky structure; firm; many (8.0) fine roots throughout; 1 percent fine prominent spherical weakly coherent cemented black (10YR 2/1), moist, manganese coatings with sharp boundaries in matrix and 10 percent fine prominent irregular weakly coherent cemented strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 21 percent fine prominent irregular weakly coherent cemented reddish brown (2.5YR 4/4), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 7.0, pH meter; gradual smooth boundary. Lab sample # 16N04240; moist when described; observed in pit, small
    Bg3—64 to 82 centimeters (25.2 to 32.3 inches); light brownish gray (10YR 6/2) silty clay; 3 percent sand; 42 percent clay; strong medium prismatic parts to strong medium angular blocky structure; firm; common (1.0) fine roots throughout; 1 percent fine prominent spherical weakly coherent cemented black (10YR 2/1), moist, manganese coatings with sharp boundaries in matrix and 5 percent fine prominent irregular weakly coherent cemented strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix and 21 percent fine prominent irregular weakly coherent cemented reddish brown (2.5YR 4/4), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 6.8, pH meter; gradual smooth boundary. Lab sample # 16N04241; moist when described; observed in pit, small
    Bg4—82 to 104 centimeters (32.3 to 40.9 inches); gray (10YR 6/1) silty clay; 3 percent sand; 47 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; firm; few (0.5) fine roots throughout; 1 percent fine prominent spherical weakly coherent cemented black (10YR 2/1), moist, manganese coatings with sharp boundaries in matrix and 10 percent fine prominent irregular weakly coherent cemented dark yellowish brown (10YR 4/4), moist, masses of oxidized iron with diffuse boundaries in matrix and 15 percent fine prominent irregular weakly coherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 6.8, pH meter; gradual smooth boundary. Lab sample # 16N04242; moist when described; observed in pit, small
    Bg5—104 to 127 centimeters (40.9 to 50.0 inches); reddish gray (2.5YR 5/1) silty clay loam; 3 percent sand; 37 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; firm; few (0.5) fine roots throughout; 1 percent fine prominent spherical weakly coherent cemented black (10YR 2/1), moist, manganese coatings with sharp boundaries in matrix and 21 percent medium prominent irregular weakly coherent cemented strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 6.6, pH meter; gradual smooth boundary. Lab sample # 16N04243; moist when described; observed in pit, small
    Bg6—127 to 155 centimeters (50.0 to 61.0 inches); reddish gray (2.5YR 5/1) silty clay loam; 3 percent sand; 38 percent clay; moderate medium prismatic parts to moderate medium angular blocky structure; firm; few (0.5) fine roots throughout; 1 percent fine prominent spherical weakly coherent cemented black (10YR 2/1), moist, manganese coatings with sharp boundaries in matrix and 25 percent medium prominent irregular weakly coherent cemented yellowish brown (10YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 6.8, pH meter; gradual smooth boundary. Lab sample # 16N04244; moist when described; observed in pit, small
    Bg7—155 to 203 centimeters (61.0 to 79.9 inches); dark gray (10YR 4/1) silty clay loam; 3 percent sand; 37 percent clay; weak coarse prismatic parts to weak coarse angular blocky structure; firm; 1 percent fine prominent spherical weakly coherent cemented black (10YR 2/1), moist, manganese coatings with sharp boundaries in matrix and 25 percent medium prominent irregular weakly coherent cemented yellowish brown (10YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; neutral, pH 6.9, pH meter. Lab sample # 16N04245; moist when described; observed in pit, small