IDENTIFIERS

  • Current Taxon Name (Soil Name): Spodic Dystrocryepts
  • OSD
  • Series Extent
  • User Site ID: S2006AK002012
  • User Pedon ID: S2006AK002012
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 07N0170
  • NCSS Pedon Lab Data NASIS Record ID - 18740
  • Print Date: 1/10/2025
  • 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: 62.6288872
  • Std. Longitude: -150.7741699
  • Datum: WGS84
  • Location Description: Tokositna-SNOTEL
  • State: Alaska
  • County: AK170—Matanuska-Susitna Borough
  • MLRA: 224—Cook Inlet Lowlands
  • PEDON

  • Current Taxonomic Class: Coarse-loamy over sandy or sandy-skeletal Spodic Dystrocryepts
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 12
  • Sampled As Information:
  • Soil Name - Spodic Dystrocryepts
  • Taxonomic Class - Coarse-loamy over sandy or sandy-skeletal Spodic Dystrocryepts
  • Classificaton Date - 7/23/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: mid alluvial fan
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Flooding: rare flooding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/23/2007 (actual site observation date)
  • Plant Association Name: Tall alder scrub
  • Surface Cover Properties:
  • 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

    spodic horizon

    5—8

    8—15

    —-

    —-

    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

    4

    40

    1089

    Tokositna Valley

    SNOTEL

    Oi—0 to 5 centimeters (0.0 to 2.0 inches); dark reddish brown (5YR 3/3) slightly decomposed plant material; subangular blocky structure; nonsticky, nonplastic; 30.0 very fine and fine roots and 50.0 medium roots and 2.0 coarse roots; 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments; noneffervescent; extremely acid, pH 4.2; abrupt smooth boundary. Lab sample # 07N01062
    AE—5 to 8 centimeters (2.0 to 3.1 inches); 60 percent dark brown (7.5YR 3/2) silt loam; moderate fine granular structure; very friable, nonsticky, nonplastic; 20.0 very fine and fine roots and 2.0 medium roots and 1.0 coarse roots; 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments and 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments; noneffervescent; extremely acid, pH 3.8; abrupt wavy boundary. Lab sample # 07N01063
    Bs—8 to 15 centimeters (3.1 to 5.9 inches); dark reddish brown (2.5YR 2.5/3) silt loam; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; 5.0 very fine and fine roots and 1.0 medium roots and 0.0 coarse roots; 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments; noneffervescent; extremely acid, pH 4.0; clear wavy boundary. Lab sample # 07N01064
    2BC—15 to 31 centimeters (5.9 to 12.2 inches); brown (10YR 4/3) stratified stratified sand to silt; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; 2.0 very fine and fine roots and 0.0 medium roots and 0.0 coarse roots; 0 percent by volume nonflat 2-?-76 millimeter unspecified fragments and 0 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments; noneffervescent; extremely acid, pH 4.4; clear wavy boundary. Lab sample # 07N01065
    3BC—31 to 58 centimeters (12.2 to 22.8 inches); brown (10YR 4/3) extremely cobbly loamy sand; loose, nonsticky, nonplastic; 0.0 very fine and fine roots and 0.0 medium roots and 0.0 coarse roots; 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments and 25 percent by volume nonflat 76-?-250 millimeter unspecified fragments and 40 percent by volume nonflat 2-?-76 millimeter unspecified fragments; noneffervescent; very strongly acid, pH 4.6; gradual smooth boundary. Lab sample # 07N01066
    3C—58 to 152 centimeters (22.8 to 59.8 inches); very dark grayish brown (10YR 3/2) extremely cobbly coarse sand; loose, nonsticky, nonplastic; 0.0 very fine and fine roots and 0.0 medium roots and 0.0 coarse roots; 0 percent by volume nonflat 250-?-600 millimeter unspecified fragments and 0 percent by volume flat angular 2-?-150 millimeter unspecified fragments and 0 percent by volume flat angular 150-?-380 millimeter unspecified fragments and 20 percent by volume nonflat 76-?-250 millimeter mixed fragments and 50 percent by volume nonflat 2-?-76 millimeter mixed fragments; noneffervescent; very strongly acid, pH 4.6. Lab sample # 07N01067