IDENTIFIERS

  • Current Taxon Name (Soil Name): Yensus
  • OSD
  • Series Extent
  • User Site ID: S1989AK170002
  • User Pedon ID: 89AK170002
  • Vegetation Plot ID: S1989AK170002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0641
  • NCSS Pedon Lab Data NASIS Record ID - 61741
  • Print Date: 11/24/2024

    • 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: 61.6166649
  • Std. Longitude: -149.2166595
  • Datum: WGS84
  • Location Description: Matanuska - Susitna Survey Area, Colony Schools Complex
  • State: Alaska
  • County: AK170—Matanuska-Susitna Borough
  • MLRA: 170—Cook Inlet-Susitna Lowland

    • PEDON

  • Describers Name: Mark H. Clark, Robert Ahrens, and Joe Moore
  • Current Taxonomic Class: Coarse-loamy over sandy or sandy-skeletal, mixed, superactive Typic Cryochrepts
  • Current Taxon Kind: variant
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Yensus
  • Classificaton Date - 2/1/2010
  • Sampled As Information:
  • Soil Name - Knik Deep
  • Taxonomic Class - Coarse-silty over sandy or sandy-skeletal, mixed T
  • Classificaton Date - 6/1/1989
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1989 (actual site observation date)
  • 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

    CACA

    PIGL

    Betula papyrifera

    Cabomba caroliniana

    Picea glauca

    paper birch

    Carolina fanwort

    white spruce

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

    ochric epipedon

    cambic horizon

    0—15

    33—74

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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

    23

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    12

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    315

    41

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    Oe—0 to 8 centimeters (0.0 to 3.1 inches); dark brown (10YR 3/3) peat; 5.5 fine to coarse roots; fragments. Lab sample # 89P03588. many fine to coarse roots
    A—8 to 16 centimeters (3.1 to 6.3 inches); 40 percent dark brown (10YR 3/3) and 60 percent very dark brown (10YR 2/2) silt loam; moderate fine granular structure; very friable, slightly sticky, nonplastic; 5.5 very fine and fine roots and 0.5 medium roots; fragments. Lab sample # 89P03589. few medium roots; many very fine and fine roots
    AC—16 to 23 centimeters (6.3 to 9.1 inches); 40 percent dark grayish brown (10YR 4/2) and 60 percent dark brown (10YR 3/3) silt loam; weak medium granular structure; very friable, slightly sticky, nonplastic; 5.5 very fine and fine roots and 0.5 medium roots; fragments. Lab sample # 89P03590. few medium roots; many very fine and fine roots
    C—23 to 41 centimeters (9.1 to 16.1 inches); gray (10YR 5/1) silt loam; fragments; 70 percent percent of pedon occupied by this horizon (volume percent). Lab sample # 89P03591
    Bw—41 to 41 centimeters (16.1 to 16.1 inches); brown (7.5YR 4/4) silt loam; weak fine subangular blocky structure; very friable, slightly sticky, nonplastic; 2.5 fine and medium roots; fragments; 30 percent percent of pedon occupied by this horizon (volume percent). common fine and medium roots
    Bw—41 to 61 centimeters (16.1 to 24.0 inches); 20 percent brown (7.5YR 4/4) and 40 percent yellowish red (5YR 4/6) silt loam; fragments; 60 percent percent of pedon occupied by this horizon (volume percent). Lab sample # 89P03592. a discontinuous lense of volcanic ash, (7.5YR 5/6), very fine sandy loam, at 53-54 cm depth
    C—61 to 61 centimeters (24.0 to 24.0 inches); grayish brown (10YR 5/2) silt loam; weak medium subangular blocky structure; very friable, slightly sticky, nonplastic; 0.5 very fine and fine roots and 0.5 medium roots; fragments; 40 percent percent of pedon occupied by this horizon (volume percent). few very fine and fine roots; few medium roots
    Bwb—61 to 82 centimeters (24.0 to 32.3 inches); brown (7.5YR 4/4) silt loam; 11 percent dark grayish brown (10YR 4/2) medium distinct mottles; weak medium subangular blocky structure; very friable, slightly sticky, nonplastic; 0.5 very fine and fine roots; fragments. Lab sample # 89P03593. few very fine and fine roots; common medium distinct 10YR42 mottles
    Bsb—82 to 97 centimeters (32.3 to 38.2 inches); reddish brown (5YR 4/4) gravelly loam; moderate fine subangular blocky structure; very friable, slightly sticky, nonplastic; 0.5 very fine and fine roots; fragments. Lab sample # 89P03594. in the upper part of the Bsb is a buried, discontinuous E horizon, (10YR 4/3), 1 cm thick; few very fine and fine roots
    2BC—97 to 107 centimeters (38.2 to 42.1 inches); dark yellowish brown (10YR 4/4) very gravelly loamy coarse sand; single grain; loose, nonsticky, nonplastic; 0.5 very fine and fine roots; fragments. Lab sample # 89P03595. few very fine and fine roots
    2C—107 to 138 centimeters (42.1 to 54.3 inches); extremely gravelly coarse sand; single grain; loose, nonsticky, nonplastic; fragments. Lab sample # 89P03596