IDENTIFIERS

  • Current Taxon Name (Soil Name): Benka
  • OSD
  • Series Extent
  • User Site ID: S1987AK170002
  • User Pedon ID: 87AK170002
  • Vegetation Plot ID: S1987AK170002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0781
  • NCSS Pedon Lab Data NASIS Record ID - 60076
  • Print Date: 11/24/2024

    • LOCATION

  • Location Description: Understory: Coca, Vaviid, Moss, Salix, Epan, Vaov
  • State: Alaska
  • County: AK170—Matanuska-Susitna Borough
  • MLRA: 170—Cook Inlet-Susitna Lowland

    • PEDON

  • Describers Name: Clark, Kimble, Moore, Witty, Ping, Alexander
  • Current Taxonomic Class: Ashy over loamy, glassy Andic Haplocryods
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Benka
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/1/2010
  • Sampled As Information:
  • Soil Name - Snd
  • Classificaton Date - 9/1/1987
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: plain
  • Hill Slope Profile: shoulder
  • Slope Position: lower third
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1987 (actual site observation date)
  • Microrelief Elevation: 10
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BEPA

    PIGL

    POTRT

    Betula papyrifera

    Picea glauca

    Populus tremula ssp. tremuloides

    paper birch

    white spruce

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

    albic horizon

    spodic horizon

    7—15

    15—38

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    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

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    30

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    45

    51

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    1Oi—0 to 7 centimeters (0.0 to 2.8 inches); dark reddish brown (5YR 3/3) interior Error; 5.5 very fine roots throughout and 5.5 fine to coarse roots throughout; fragments; very strongly acid, pH 5.0, lamotte-morgan; abrupt smooth boundary. Lab sample # 87P04245; moist when described;. many fine to coarse roots throughout; many very fine roots throughout
    1E—7 to 15 centimeters (2.8 to 5.9 inches); dark gray (10YR 4/1) interior silt loam; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate medium granular structure; very friable, nonsticky, nonplastic; 2.5 fine and medium roots and 0.5 coarse roots; fragments; very strongly acid, pH 5.0, lamotte-morgan; abrupt wavy boundary. Lab sample # 87P04246; moist when described;. common fine and medium roots; few coarse roots; few fine prominent 7.5YR46 mottles
    1Bs1—15 to 25 centimeters (5.9 to 9.8 inches); 60 percent yellowish red (5YR 5/6) interior and 40 percent yellowish red (5YR 4/6) interior silt loam; weak medium granular structure; very friable, nonsticky, nonplastic; 2.5 fine and medium roots; fragments; moderately acid, pH 5.8, lamotte-morgan; abrupt broken boundary. Lab sample # 87P04247. Pockets of ash; common fine and medium roots
    1Bs2—25 to 38 centimeters (9.8 to 15.0 inches); 70 percent strong brown (7.5YR 5/6) interior and 30 percent reddish yellow (7.5YR 6/6) interior very fine sandy loam; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; 0.5 fine and medium roots and 0.5 coarse roots; fragments; moderately acid, pH 6.0, lamotte-morgan; abrupt broken boundary. Lab sample # 87P04248; moist when described;. Pockets of ash; few fine and medium roots; few coarse roots
    1Bc—38 to 46 centimeters (15.0 to 18.1 inches); 60 percent brown (10YR 5/3) interior and 40 percent brown (7.5YR 4/4) interior silt loam; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; 0.5 fine roots; fragments; moderately acid, pH 6.0, lamotte-morgan; abrupt wavy boundary. Lab sample # 87P04249; moist when described;. few fine roots
    2C1—46 to 68 centimeters (18.1 to 26.8 inches); olive brown (2.5Y 4/4) interior silt loam, fine sandy loam; weak fine subangular blocky structure; loose, nonsticky, nonplastic; fragments; moderately acid, pH 6.0, lamotte-morgan; clear wavy boundary. Lab sample # 87P04250; moist when described;. Discontinuous strata of charcoal stratified silt loam-fine sandy loam.
    2C2—68 to 80 centimeters (26.8 to 31.5 inches); 80 percent dark yellowish brown (10YR 3/4) and 20 percent dark yellowish brown (10YR 4/4) fine sand, sand; single grain; loose, nonsticky, nonplastic; fragments; slightly acid, pH 6.1, lamotte-morgan; gradual wavy boundary. Lab sample # 87P04251; moist when described;. Discontinuous strata of charcoal stratified fine sand-sand.
    3C—80 to 128 centimeters (31.5 to 50.4 inches); dark yellowish brown (10YR 3/4) interior sand; single grain; loose, nonsticky, nonplastic; fragments; slightly acid, pH 6.2, lamotte-morgan. Lab sample # 87P04252; moist when described;. Discontinuous strata of charcoal.