IDENTIFIERS

  • Current Taxon Name (Soil Name): Klawasi
  • OSD
  • Series Extent
  • User Site ID: S1981AK261010
  • User Pedon ID: 81AK261010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 81P0688
  • NCSS Pedon Lab Data NASIS Record ID - 49532
  • Print Date: 11/23/2024

    • 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: 61.8333321
  • Std. Longitude: -145.3333282
  • Datum: WGS84
  • Township: 1N
  • Range: 1W
  • Section: 25
  • PLSS Details: 2100 feet W of the Trans-Alaska Pipeline along a survey line in the exact center
  • State: Alaska
  • County: AK261—Valdez-Cordova Census Area

    • PEDON

  • Current Taxonomic Class: Clayey, mixed, nonacid Histic Pergelic Cryaquepts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Klawasi
  • Classificaton Date - 2/1/2010
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Klawasi
  • Taxonomic Class - Clayey, mixed, nonacid Histic Pergelic Cryaquept
  • Taxon Kind - series
  • Classificaton Date - 7/1/1981
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: plain
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1981 (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
    • 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

    —

    —

    427

    —

    45

    300

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1Oe—0 to 13 centimeters (0.0 to 5.1 inches); black (10YR 2/1) interior partially decomposed organic matter; 5.5 roots; fragments; clear smooth boundary. Lab sample # 81P04116. Materials predominantl derived from mosses. About 70% fibers after rubbing.; many roots
    1Oa—13 to 23 centimeters (5.1 to 9.1 inches); 5.5 very fine and fine roots; fragments; abrupt smooth boundary. Lab sample # 81P04117. Black well decomposed organic materials. Less than 5% fibers after rubbing. Few discontinuous black streaks of mucky silt loam less than 1 cm thick, including a discontinuous Ah horizon at the base of this horizon.; many very fine and fine roots
    1Bw—23 to 26 centimeters (9.1 to 10.2 inches); brown (10YR 4/3) interior silt loam; weak very fine subangular blocky structure; very friable, slightly sticky, slightly plastic; 2.5 fine roots; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 81P04118. Range in thickness is 2 to 10 cm in this pedon.; common fine roots
    2C1—26 to 38 centimeters (10.2 to 15.0 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 1 percent brown (7.5YR 4/4) fine and medium distinct mottles; strong fine and medium granular, and strong very fine subangular blocky structure; friable, moderately sticky, moderately plastic; 0.5 fine roots; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 81P04119. 1% gravel by volume. Higher moisture content than other horizons.; few fine roots; few fine and medium distinct 7.5YR44 mottles
    2C2—38 to 54 centimeters (15.0 to 21.3 inches); dark grayish brown (2.5Y 4/2) interior clay; strong very fine subangular blocky, and strong fine and medium granular structure; friable, moderately sticky, moderately plastic; 0.5 fine roots; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 81P04120. Less than 5% gravel by volume. Wet, but lower moisture content than 2C1 horizon.; few fine roots
    2C3f—54 to 60 centimeters (21.3 to 23.6 inches); dark grayish brown (2.5Y 4/2) interior clay; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 81P04121. Frozen hard with no visible ice on 8/8/81. When thawed, soil is wet but not saturated.