IDENTIFIERS

  • Current Taxon Name (Soil Name): Ascalon
  • OSD
  • Series Extent
  • User Site ID: S2016CO123001
  • User Pedon ID: S2016CO123001
  • Vegetation Plot ID: S2016CO123001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 16N0625
  • User Project ID: CPER_010_NEON
  • Project Name: Central Plains Experimental Range
  • Print Date: 12/5/2025
  • 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: 40.8110278
  • Std. Longitude: -104.7294722
  • Datum: WGS84
  • Township: 10N
  • Range: 66W
  • Section: 25
  • PLSS Details: 1,300 feet east and 430 feet south from the northwest corner
  • Location Description: Soil pit located 6.1 meters at a 280 degree angle from the northwest corner of the 20m x 20m plot to the center of the soil pit.
  • Map Unit: 65—Terry sandy loam, 3 to 9 percent slopes
  • State: Colorado
  • County: CO123—Weld
  • MLRA: 67B—Central High Plains, Southern Part
  • MLRA Soil Survey Area: NW-FTM—Fort Morgan, Colorado
  • Non-MLRA Soil Survey Area: CO617—Weld County, Colorado, Northern Part
  • 7.5 Minute USGS Quad: 40104-G6—Eastman Creek South, Colorado
  • PEDON

  • Describers Name: Andy Steinert
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Ascalon
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Aridic Argiustolls
  • Taxon Kind - series
  • PSC - 12 to 62 cm.
  • Classificaton Date - 3/21/2016
  • Classifier - Andy Steinert
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: eolian deposits
  • Landform: hill
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: footslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: medium
  • Ksat Class Upper: moderately high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • RaCA Site ID - CPER_002
  • DSP Plot ID - NW
  • Plot Baseline Azimuth - 280
  • Plot Baseline Length - 6
  • Plot Width - 20
  • Plot/Site Set Up By - Center of pit
  • Plot or Site Recorder - Andy Steinert
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/21/2016 (actual site observation date)
  • Data Collector: Andy Steinert
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - partly cloudy
  • Current Air Temp - 10
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARIST

    BOGR2

    EREF

    GUSA2

    OPPO

    SPCR

    XACH3

    Aristida

    Bouteloua gracilis

    Eriogonum effusum

    Gutierrezia sarothrae

    Opuntia polyacantha

    Sporobolus cryptandrus

    Xanthoparmelia chlorochroa

    threeawn

    blue grama

    spreading buckwheat

    broom snakeweed

    plains pricklypear

    sand dropseed

    xanthoparmelia lichen

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

    mollic epipedon

    argillic horizon

    secondary carbonates

    0—27

    12—81

    81—100

    —27—

    —69—

    —-

    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

    1650.5

    180

    A—0 to 12 centimeters (0.0 to 4.7 inches); dark brown (10YR 3/3) broken face, very dark grayish brown (10YR 3/2) broken face, moist; sandy loam; 47 percent sand; 44 percent silt; 9 percent clay; weak fine granular structure; slightly hard, friable, nonsticky, nonplastic; Ksat of 28.225 um/s; moderately rapid permeability; common (1.0) very fine roots throughout and common (2.0) fine roots throughout; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.2, pH indicator solutions; clear smooth boundary. Lab sample # 16N02693; observed in pit, small
    Bt1—12 to 27 centimeters (4.7 to 10.6 inches); dark brown (10YR 3/3) broken face, very dark grayish brown (10YR 3/2) broken face, moist; sandy clay loam; 52 percent sand; 20 percent silt; 28 percent clay; moderate medium prismatic parts to moderate medium angular blocky, and moderate fine prismatic parts to moderate fine angular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; Ksat of 2.82 um/s; moderately slow permeability; common (2.0) very fine roots throughout and common (1.0) fine roots throughout; few (0.5) very fine vesicular and few (0.5) fine vesicular pores; 20 percent distinct clay films on vertical faces of peds; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.4, pH indicator solutions; clear wavy boundary. Lab sample # 16N02694; observed in pit, small. continuous - phpvsfiid 1555273; continuous - phpvsfiid 1555273
    Bt2—27 to 56 centimeters (10.6 to 22.0 inches); dark yellowish brown (10YR 4/4) broken face, brown (10YR 4/3) broken face, moist; sandy clay loam; 55 percent sand; 20 percent silt; 25 percent clay; moderate coarse prismatic parts to moderate coarse subangular blocky, and moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; Ksat of 9.17 um/s; moderate permeability; common (1.0) very fine roots throughout and few (0.5) fine roots throughout; few (0.5) very fine vesicular and few (0.5) fine vesicular pores; 15 percent distinct clay films on vertical faces of peds; fragments; noneffervescent, by hcl, 1n; neutral, pH 6.7, pH indicator solutions; clear wavy boundary. Lab sample # 16N02695; observed in pit, small. discontinuous - phpvsfiid 1555274; discontinuous - phpvsfiid 1555274
    Bt3—56 to 81 centimeters (22.0 to 31.9 inches); dark yellowish brown (10YR 4/4) broken face, brown (10YR 4/3) broken face, moist; sandy loam; 75 percent sand; 12 percent silt; 13 percent clay; weak coarse prismatic parts to moderate coarse subangular blocky, and weak medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; Ksat of 28.225 um/s; moderately rapid permeability; few (0.5) very fine roots throughout; few (0.5) very fine vesicular and common (1.0) fine vesicular pores; 5 percent faint clay films on vertical faces of peds; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.4, pH indicator solutions; clear wavy boundary. Lab sample # 16N02696; observed in pit, small. patchy - phpvsfiid 1555275; patchy - phpvsfiid 1555275
    Bk—81 to 100 centimeters (31.9 to 39.4 inches); brown (10YR 5/3) broken face, brown (10YR 4/3) broken face, moist; sandy loam; 79 percent sand; 12 percent silt; 9 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky, and moderate coarse prismatic structure; slightly hard, friable, nonsticky, nonplastic; Ksat of 28.22 um/s; moderately rapid permeability; few (0.5) very fine roots throughout; few (0.5) very fine vesicular and common (1.0) fine vesicular pores; 2 percent fine threadlike carbonate masses on faces of peds; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH indicator solutions. Lab sample # 16N02697; observed in pit, small