IDENTIFIERS

  • Current Taxon Name (Soil Name): Brockwell
  • OSD
  • Series Extent
  • User Site ID: 1983AR005003
  • User Pedon ID: 1983AR005003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UARK
  • Lab Pedon # - 76BX01
  • Print Date: 11/11/2024

    • 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: 36.1812222
  • Std. Longitude: -92.1687889
  • Datum: WGS84
  • Township: T18N
  • Range: R11W
  • Section: 33
  • PLSS Details: 2666 feet N and 2708 feet N of the SE corner
  • Location Description: 2666 feet north and 2708 feet north of the SE corner, Sec. 33, T18N, R11W
  • Map Unit: 8—Brockwell sandy loam, 3 to 8 percent slopes
  • State: Arkansas
  • County: AR005—Baxter
  • MLRA: 116A—Ozark Highland
  • 7.5 Minute USGS Quad: 36092-B2—Norfork Dam South, Arkansas

    • PEDON

  • Describers Name: J.R. Perkins
  • Current Taxonomic Class: Coarse-loamy, siliceous, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Brockwell
  • PSC - 23 to 73 cm.
  • Classificaton Date - 12/23/2013
  • Classifier - J.R. Perkins
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Brockwell
  • Taxonomic Class - Coarse-loamy, siliceous, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 23 to 73 cm.
  • Classificaton Date - 12/23/2013
  • Classifier - J.R. Perkins
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified


    • SITE

  • Parent Material: sandy and loamy residuum weathered from sandstone
  • Landscape: hills
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: yes

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/7/2015 (entry creation date)
  • Data Collector: J.R. Perkins
  • 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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—23

    23—183

    —23—

    —160—
    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

    5.5

    —

    —

    229

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); grayish brown (10YR 5/2) sandy loam; 67 percent sand; 29 percent silt; 4 percent clay; weak medium granular structure; very friable; common (3.0) medium roots and common (3.0) fine roots; fragments; very strongly acid, pH 4.7, pH meter; clear smooth boundary.
    BE—13 to 23 centimeters (5.1 to 9.1 inches); brown (10YR 5/3) sandy loam; 63 percent sand; 32 percent silt; 5 percent clay; mottles; weak medium granular structure; very friable; common (3.0) medium roots and common (3.0) fine roots; fragments; very strongly acid, pH 4.7, pH meter; clear smooth boundary.
    Bt1—23 to 33 centimeters (9.1 to 13.0 inches); strong brown (7.5YR 5/6) sandy loam; 59 percent sand; 31 percent silt; 10 percent clay; weak fine subangular blocky structure; friable; common (3.0) medium roots and common (3.0) fine roots; fragments; very strongly acid, pH 4.6, pH meter; clear smooth boundary.
    Bt2—33 to 53 centimeters (13.0 to 20.9 inches); strong brown (7.5YR 5/6) fine sandy loam; 54 percent sand; 31 percent silt; 15 percent clay; moderate medium subangular blocky structure; firm; few (0.5) medium roots and few (0.5) fine roots; 70 percent distinct clay films on all faces of peds; fragments; extremely acid, pH 4.4, pH meter; gradual wavy boundary. patchy - phpvsfiid 1187933; patchy - phpvsfiid 1187933
    Bt3—53 to 71 centimeters (20.9 to 28.0 inches); strong brown (7.5YR 5/6) sandy loam; 54 percent sand; 31 percent silt; 15 percent clay; weak medium subangular blocky structure; firm; few (0.5) medium roots and few (0.5) fine roots; 70 percent distinct clay films on all faces of peds; fragments; extremely acid, pH 4.4, pH meter; gradual smooth boundary. continuous - phpvsfiid 1187930; continuous - phpvsfiid 1187930
    Bt4—71 to 112 centimeters (28.0 to 44.1 inches); 50 percent strong brown (7.5YR 5/6) and 50 percent pale brown (10YR 6/3) sandy loam; 56 percent sand; 32 percent silt; 12 percent clay; 12 percent yellowish red (5YR 5/6) medium mottles; weak coarse subangular blocky structure; firm; few (0.5) fine roots; common (3.0) fine vesicular pores; 37 percent clay films on all faces of peds; fragments; extremely acid, pH 4.3, pH meter; gradual smooth boundary. patchy - phpvsfiid 1187935; patchy - phpvsfiid 1187935
    Bt5—112 to 152 centimeters (44.1 to 59.8 inches); 50 percent pale brown (10YR 6/3) and 50 percent strong brown (7.5YR 5/6) sandy loam; 57 percent sand; 30 percent silt; 13 percent clay; 12 percent yellowish red (5YR 4/6) medium mottles; weak coarse subangular blocky structure; firm; common (3.0) fine vesicular pores; 37 percent clay films on all faces of peds; fragments; very strongly acid, pH 4.5, pH meter; gradual wavy boundary. patchy - phpvsfiid 1187939; patchy - phpvsfiid 1187939
    Bt6—152 to 183 centimeters (59.8 to 72.0 inches); 33 percent strong brown (7.5YR 5/6) and 33 percent pale brown (10YR 6/3) and 33 percent red (2.5YR 4/6) sandy clay loam; 60 percent sand; 15 percent silt; 25 percent clay; weak coarse subangular blocky structure; firm; few (0.5) fine vesicular pores; 15 percent clay bridges between sand grains and 70 percent clay films on vertical faces of peds; 5 percent by volume nonflat angular strongly coherent cemented 2-30-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.5, pH meter. patchy - phpvsfiid 1187934; patchy - phpvsfiid 1187934