IDENTIFIERS

  • Current Taxon Name (Soil Name): Irwin
  • OSD
  • Series Extent
  • User Site ID: 01KS197011
  • User Pedon ID: 01KS197011
  • User Site Association ID: Kansas State University Laboratory Pedons
  • Transect:
  • User Transect ID - 01KS197-3890-001
  • Transect Stop Number - 8
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSU
  • Lab Pedon # - 01KS197011
  • NCSS Pedon Lab Data NASIS Record ID - 40164
  • Print Date: 9/24/2024

    • 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: 38.8366241
  • Std. Longitude: -96.4118271
  • Datum: WGS84
  • Township: 14S
  • Range: 9E
  • Section: 16
  • PLSS Details: S1/2 NE 1/4
  • Location Description: About 4 miles east and 2 miles south of Alta Vista, Kansas.
  • Map Unit: Lm—LADYSMITH SILTY CLAY LOAM, 0 TO 2 PERCENT SLOPES
  • State: Kansas
  • County: KS197—Wabaunsee
  • MLRA: 76—Bluestem Hills
  • Non-MLRA Soil Survey Area: KS197—Wabaunsee County, Kansas
  • 7.5 Minute USGS Quad: 38096-G4—Alta Vista, Kansas

    • PEDON

  • Describers Name: W. Wehmueller
  • Current Taxonomic Class: Fine, smectitic, mesic Udertic Paleustolls
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Irwin
  • Taxonomic Class - Fine, smectitic, mesic Udertic Paleustolls
  • PSC - 18 to 68 cm.
  • Classificaton Date - 9/5/2001
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 70 cm of Depth to paleosol


    • SITE

  • Parent Material: silty and clayey loess over clayey alluvium over clayey residuum weathered from clayey shale
  • Landscape: upland
  • Landform: hillslope
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/5/2001 (actual site observation date)
  • Air Photo ID: 49
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • 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

    mollic epipedon

    argillic horizon

    secondary carbonates

    0—29

    18—

    56—90

    —29—

    —72—

    —34—
    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

    1.6

    —

    —

    445

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches);, very dark grayish brown (10YR 3/2) exterior, moist; silty clay loam; moderate fine granular structure; very friable; slow permeability; 6.0 fine roots throughout; fragments; abrupt smooth boundary. Lab sample # KSUSS2222; observed in push tube
    Bt1—18 to 29 centimeters (7.1 to 11.4 inches);, very dark brown (10YR 2/2) exterior and very dark grayish brown (10YR 3/2) crushed, moist; silty clay; moderate medium angular blocky structure; very firm; very slow permeability; 3.0 fine roots between peds; 15 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on vertical faces of peds; fragments; clear smooth boundary. Lab sample # KSUSS2223. discontinuous - phpvsfiid 198389; discontinuous - phpvsfiid 198389
    Bt2—29 to 44 centimeters (11.4 to 17.3 inches);, brown (10YR 4/3) crushed and dark brown (10YR 3/3) exterior, moist; silty clay; moderate medium subangular blocky structure; extremely firm; very slow permeability; 3.0 fine roots between peds; 15 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on vertical faces of peds; fragments; clear smooth boundary. Lab sample # KSUSS2224. discontinuous - phpvsfiid 198395; discontinuous - phpvsfiid 198395
    Bt3—44 to 56 centimeters (17.3 to 22.0 inches);, brown (10YR 4/3) exterior, moist; silty clay; moderate medium subangular blocky structure; extremely firm; very slow permeability; 3.0 fine roots between peds; 15 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on vertical faces of peds; fragments; clear smooth boundary. Lab sample # KSUSS2225. discontinuous - phpvsfiid 198391; discontinuous - phpvsfiid 198391
    Btk—56 to 70 centimeters (22.0 to 27.6 inches);, brown (10YR 4/3) exterior, moist; silty clay loam; moderate medium subangular blocky structure; firm; very slow permeability; 3.0 fine roots between peds; 10 percent distinct dark brown (10YR 3/3), moist, clay films on vertical faces of peds; 5 percent fine spherical weakly coherent cemented carbonate nodules with clear boundaries in matrix; fragments; clear wavy boundary. Lab sample # KSUSS2226. discontinuous - phpvsfiid 198390; discontinuous - phpvsfiid 198390
    2Bt4—70 to 90 centimeters (27.6 to 35.4 inches);, brown (7.5YR 4/4) exterior, moist; silty clay loam; weak medium subangular blocky structure; firm; slow permeability; 1.0 fine roots throughout; 12 percent distinct dark brown (10YR 3/3), moist, clay films on vertical faces of peds; 12 percent medium prominent irregular noncoherent cemented light brown (7.5YR 6/4), moist, masses of oxidized iron infused into matrix along faces of peds; 1 percent fine threadlike noncoherent cemented carbonate masses lining pores; fragments; gradual wavy boundary. Lab sample # KSUSS2227. patchy - phpvsfiid 198392; patchy - phpvsfiid 198392
    2Btss1—90 to 120 centimeters (35.4 to 47.2 inches);, brown (7.5YR 4/4) exterior, moist; silty clay; moderate medium angular blocky structure; very firm; very slow permeability; 12 percent slickensides (pedogenic) and 15 percent distinct dark brown (7.5YR 3/3), moist, clay films on vertical faces of peds; 5 percent medium prominent irregular noncoherent cemented reddish brown (5YR 4/4), moist, masses of oxidized iron infused into matrix along faces of peds; fragments; clear wavy boundary. Lab sample # KSUSS2228. The slickensides are evident even in a sample from a probe tube.; patchy - phpvsfiid 198396; patchy - phpvsfiid 198396
    2Btss2—120 to 170 centimeters (47.2 to 66.9 inches);, dark reddish brown (5YR 3/4) exterior, moist; silty clay; moderate medium angular blocky structure; very firm; very slow permeability; 12 percent slickensides (pedogenic) and 15 percent distinct dark brown (7.5YR 3/3), moist, clay films on vertical faces of peds; 1 percent medium distinct irregular noncoherent cemented dark gray (10YR 4/1), moist, iron depletions infused into matrix adjacent to pores and 5 percent medium prominent irregular noncoherent cemented reddish brown (5YR 4/4), moist, masses of oxidized iron infused into matrix along faces of peds; fragments; clear wavy boundary. Lab sample # KSUSS2229. The slickensides are evident even in a sample from a probe tube.; patchy - phpvsfiid 198393; patchy - phpvsfiid 198393