IDENTIFIERS

  • Current Taxon Name (Soil Name): Donnelly
  • OSD
  • Series Extent
  • User Site ID: S2017AK240045
  • User Pedon ID: S2017AK240045
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 18N0717
  • 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: 63.8807128
  • Std. Longitude: -145.7433922
  • Datum: WGS84
  • 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: Dennis Mulligan
  • 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 - 7/31/2017
  • Classifier - Andy Oxford
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: outwash
  • Landform: outwash plain
  • Geomorphic Component Flats: talf
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • RaCA Site ID - DEJU_045
  • DSP Plot ID - SW
  • Plot Baseline Azimuth - 168
  • Plot Baseline Length - 9
  • Plot Width - 20
  • Plot/Site Set Up By - Center of pit
  • Plot or Site Recorder - Dennis Mulligan
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/31/2017 (actual site observation date)
  • Data Collector: Dennis Mulligan
  • 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

    0—8

    8—25

    25—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

    1

    521

    Oe—0 to 5 centimeters (0.0 to 2.0 inches); black (7.5YR 2.5/1) rubbed moderately decomposed plant material; 3.0 very fine roots and 2.0 medium roots and 5.0 fine roots; fragments; strongly acid, pH 5.1; abrupt smooth boundary.
    A/E—5 to 8 centimeters (2.0 to 3.1 inches); 70 percent dark brown (7.5YR 3/2) broken face and 30 percent dark grayish brown (10YR 4/2) broken face silt loam; 18 percent sand; 5 percent clay; weak coarse granular structure; friable, nonsticky, nonplastic; 5.0 very fine roots and 5.0 medium roots and 7.0 fine roots and 1.0 coarse roots; fragments; strongly acid, pH 5.4; abrupt wavy boundary. Lab sample # 18N02972; moist when described;
    Bw—8 to 25 centimeters (3.1 to 9.8 inches); 70 percent strong brown (7.5YR 4/6) broken face and 30 percent dark yellowish brown (10YR 4/4) broken face silt loam; 18 percent sand; 5 percent clay; moderate medium subangular blocky structure; friable, nonsticky, nonplastic; 3.0 very fine roots and 3.0 medium roots and 4.0 fine roots; fragments; neutral, pH 6.7; clear wavy boundary. Lab sample # 18N02973; moist when described;
    2BC—25 to 70 centimeters (9.8 to 27.6 inches); dark yellowish brown (10YR 4/6) broken face very cobbly loamy sand; 81 percent sand; 4 percent clay; structureless single grain; very friable, nonsticky, nonplastic; 1.0 medium roots and 1.0 fine roots; , 43 percent by weight nonflat well rounded indurated 2-126-250 millimeter mixed fragments observed by weighed method; neutral, pH 6.9; diffuse wavy boundary. Lab sample # 18N02974; moist when described;
    2C—70 to 100 centimeters (27.6 to 39.4 inches); dark yellowish brown (10YR 4/6) broken face very cobbly loamy sand; 85 percent sand; 2 percent clay; structureless single grain; loose, nonsticky, nonplastic; , 50 percent by weight nonflat well rounded indurated 2-126-250 millimeter mixed fragments observed by weighed method; neutral, pH 7.3. Lab sample # 18N02975; moist when described;