IDENTIFIERS

  • Current Taxon Name (Soil Name): Donnelly
  • OSD
  • Series Extent
  • User Site ID: S2017AK240005
  • User Pedon ID: S2017AK240005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 18N0702
  • User Project ID: DEJU_019_NEON
  • Project Name: Delta Junction - DEJU
  • 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: 63.8966997
  • Std. Longitude: -145.7542748
  • Datum: WGS84
  • Map Unit: 618—Donnelly-Nenana complex, 0 to 3 percent slopes
  • Country: US—United States
  • State: Alaska
  • County: AK240—Southeast Fairbanks Census Area
  • MLRA: 228—Interior Alaska Mountains
  • Regional Office: 1—Portland, OR
  • MLRA Soil Survey Area: AK-FAI—Fairbanks, Alaska
  • Non-MLRA Soil Survey Area: AK683—Fort Greely and Donnelly Training Area, AlaskaAK228—Interior Alaska Mountains
  • PEDON

  • Describers Name: Matti Kuykendall
  • Current Taxonomic Class: Sandy-skeletal, mixed Typic Haplocryepts
  • Current Taxon Kind: series
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Donnelly
  • Classificaton Date - 8/1/2017
  • Classifier - Matti Kuykendall
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess and/or sandy and gravelly outwash
  • Landform: outwash plain
  • Geomorphic Component Flats: talf
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • RaCA Site ID - DEJU_005
  • DSP Plot ID - SW
  • Plot Baseline Azimuth - 164
  • Plot Baseline Length - 12
  • Plot Width - 20
  • Plot/Site Set Up By - Center of pit
  • Plot or Site Recorder - Matti Kuykendall
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/2017 (actual site observation date)
  • Data Collector: Matti Kuykendall
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - native shrubs
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Kind of Land: rangeland
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    lithologic discontinuity

    redox concentrations

    0—6

    6—50

    12—100

    70—100

    —-

    —-

    —-

    —-

    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

    2

    481

    256

    A—0 to 6 centimeters (0.0 to 2.4 inches); black (10YR 2/1) broken face highly organic silt loam; 20 percent sand; 6 percent clay; moderate medium granular structure; friable, nonsticky, nonplastic; common very fine roots and few medium roots and common fine roots and few coarse roots; fragments; slightly acid, pH 6.4, pH meter; clear smooth boundary. Lab sample # 18N02910; moist when described;
    Bw1—6 to 12 centimeters (2.4 to 4.7 inches); brown (10YR 4/3) broken face gravelly loam; 45 percent sand; 12 percent clay; weak medium subangular blocky structure; friable, nonsticky, nonplastic; many very fine roots and few medium roots and many fine roots; 5 percent by volume nonflat well rounded indurated 75-162-250 millimeter mixed fragments observed by visual inspection method and 13 percent by volume nonflat well rounded indurated 2-38-75 millimeter mixed fragments observed by visual inspection method; neutral, pH 6.6, pH meter; clear smooth boundary. Lab sample # 18N02911; moist when described;
    2Bw2—12 to 50 centimeters (4.7 to 19.7 inches); light olive brown (2.5Y 5/4) broken face very gravelly sand; 95 percent sand; 3 percent clay; structureless single grain; loose, nonsticky, nonplastic; many very fine roots and many fine roots; , 54 percent by weight nonflat well rounded indurated 2-126-250 millimeter mixed fragments observed by weighed method; neutral, pH 6.9, pH meter; gradual wavy boundary. Lab sample # 18N02912; moist when described;
    2BC—50 to 70 centimeters (19.7 to 27.6 inches); light olive brown (2.5Y 5/4) broken face very gravelly sandy loam; 65 percent sand; 7 percent clay; weak fine subangular blocky structure; friable, nonsticky, nonplastic; common very fine roots and common fine roots; 50 percent by volume nonflat well rounded indurated 2-126-250 millimeter mixed fragments observed by visual inspection method; neutral, pH 6.8, pH meter; gradual wavy boundary. Lab sample # 18N02913; moist when described;
    2C—70 to 100 centimeters (27.6 to 39.4 inches); light olive brown (2.5Y 5/3) broken face very gravelly sand; 90 percent sand; 3 percent clay; structureless single grain; loose, nonsticky, nonplastic; few fine roots; 10 percent medium distinct irregular noncoherent cemented yellowish brown (10YR 5/6) masses of oxidized iron with clear boundaries throughout; 50 percent by volume nonflat well rounded indurated 2-126-250 millimeter mixed fragments observed by visual inspection method; neutral, pH 6.6, pH meter. Lab sample # 18N02914; moist when described;