IDENTIFIERS

  • Current Taxon Name (Soil Name): Cohoe
  • OSD
  • Series Extent
  • User Site ID: S1987AK122008
  • User Pedon ID: 87AK122008
  • Vegetation Plot ID: S1987AK122008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0787
  • NCSS Pedon Lab Data NASIS Record ID - 60082
  • Print Date: 11/12/2024

    • LOCATION

  • State: Alaska
  • County: AK122—Kenai Peninsula Borough

    • PEDON

  • Describers Name: Van Patten, Moore, Kimble, Ping, Alexander, Witty
  • Current Taxonomic Class: Medial over loamy, amorphic Andic Haplocryods
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Cohoe
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Cohoe
  • Taxonomic Class - Medial over loamy, mixed Typic Cryorthod
  • Taxon Kind - series
  • Classificaton Date - 9/1/1987
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: dead ice moraine
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • 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

    BENA

    PISI

    POTR

    Betula nana

    Picea sitchensis

    Poa tracyi

    dwarf birch

    Sitka spruce

    Tracy's bluegrass

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

    albic horizon

    spodic horizon

    10—14

    14—61

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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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    90

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    1Oe—0 to 10 centimeters (0.0 to 3.9 inches); very dark brown (10YR 2/2) interior hemic material; 5.5 very fine and fine roots and 2.5 medium and coarse roots; fragments; extremely acid, pH 4.0, hellige-truog; abrupt wavy boundary. Lab sample # 87P04300; very moist when described;. common medium and coarse roots; many very fine and fine roots
    1E—10 to 14 centimeters (3.9 to 5.5 inches); grayish brown (10YR 5/2) interior loam; weak medium granular structure; very friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots and 0.5 medium and coarse roots; fragments; very strongly acid, pH 4.5, hellige-truog; abrupt wavy boundary. Lab sample # 87P04301; very moist when described;. Charcoal at top of horizon (few fragments).; few medium and coarse roots; many very fine and fine roots
    1Bs1—14 to 21 centimeters (5.5 to 8.3 inches); reddish brown (5YR 4/4) interior very fine sandy loam; weak medium subangular blocky, and weak medium granular structure; very friable, nonsticky, nonplastic; 5.5 very fine and fine roots and 1.0 medium and coarse roots; fragments; moderately acid, pH 6.0, hellige-truog; clear broken boundary. Lab sample # 87P04302; very moist when described;. few to common medium and coarse roots; many very fine and fine roots
    1Bs2—21 to 36 centimeters (8.3 to 14.2 inches); 70 percent brown (7.5YR 4/4) interior and 30 percent dark yellowish brown (10YR 3/4) interior silt loam; weak medium subangular blocky structure; very friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 0.5 fine and medium roots; fragments; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. Lab sample # 87P04303; very moist when described;. few fine and medium roots; common very fine and fine roots
    1Bs3—36 to 61 centimeters (14.2 to 24.0 inches); dark yellowish brown (10YR 4/4) interior silt loam; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 0.5 medium roots; 2 percent by volume 2-39-75 millimeter sedimentary, unspecified fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # 87P04304; very moist when described;. Gravel in single layer (stone line).; few medium roots; common very fine and fine roots
    2C1—61 to 102 centimeters (24.0 to 40.2 inches); 60 percent olive gray (5Y 4/2) interior and 25 percent brown (10YR 4/3) interior and 15 percent brown (7.5YR 4/3) interior silt loam; moderate medium platy structure; friable; 0.5 very fine and fine roots; fragments; moderately acid, pH 5.8, hellige-truog; abrupt wavy boundary. Lab sample # 87P04305; very moist when described;. (10YR 4/3) and (7.5YR4/3) material in pockets. 15% clay.; few very fine and fine roots
    3C2—61 to 311 centimeters (24.0 to 122.4 inches); dark grayish brown (2.5Y 4/2) interior very gravelly coarse sand; 50 percent by volume 2-39-75 millimeter mixed fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # 87P04305; very moist when described;. Not sampled.