IDENTIFIERS

  • Current Taxon Name (Soil Name): Gulkana
  • OSD
  • Series Extent
  • User Site ID: S1981AK261017
  • User Pedon ID: 81AK261017
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 81P0689
  • NCSS Pedon Lab Data NASIS Record ID - 49533
  • Print Date: 4/19/2025

    • 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: 61.9500008
  • Std. Longitude: -145.3416595
  • Datum: WGS84
  • Location Description: 2 mi along the Klutina Lake Rd from the Richardson Highway in Copper Center at the top of the last steep hill
  • State: Alaska
  • County: AK261—Valdez-Cordova Census Area

    • PEDON

  • Current Taxonomic Class: Coarse-loamy over sandy or sandy-skeletal, mixed Typic Cryochrepts
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 17
  • Correlated Information:
  • Soil Name - Gulkana
  • Classificaton Date - 7/11/2007
  • Sampled As Information:
  • Soil Name - Gulkana
  • Taxonomic Class - Coarse-silty over sandy or sandy-skeletal, mixed T
  • Taxon Kind - series
  • Classificaton Date - 7/1/1981
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace—stream or lake
  • Drainage Class: somewhat excessively
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/1/1981 (actual site observation date)
  • Surface Cover Properties:
  • 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

    —

    —

    —

    401

    —

    300

    —

    —

    3

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); undecomposed organic matter; fragments; abrupt smooth boundary. Lab sample # 81P04123. Undecomposed mat of roots, moss, leaves and other forest litter.
    Ah—5 to 10 centimeters (2.0 to 3.9 inches); dark brown (10YR 3/3) interior, brown (10YR 4/3) interior, dry; silt loam; weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 5.5 roots; fragments; slightly acid, pH 6.2, hellige-truog; clear broken boundary. Lab sample # 81P04122. Roots of all sizes. Range in thickness is 2 to 5 cm in this pedon.; many roots
    Bw—10 to 30 centimeters (3.9 to 11.8 inches); dark yellowish brown (10YR 4/4) interior, yellowish brown (10YR 5/4) interior, dry; silt loam; 1 percent brown (7.5YR 4/4) coarse faint and 1 percent strong brown (7.5YR 5/6) coarse faint mottles; weak fine platy structure; soft, very friable, nonsticky, nonplastic; 2.5 very fine and fine roots and 0.5 medium roots; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 81P04123. Horizon is continuous over 85% of pedon, and ranges in thickness from 0 to 18 cm.; common very fine and fine roots; few medium roots; few coarse faint 7.5YR44 mottles; few coarse faint 7.5YR56 mottles
    BC—30 to 36 centimeters (11.8 to 14.2 inches); olive brown (2.5Y 4/4) interior, light olive brown (2.5Y 5/4) interior, dry; very fine sandy loam; weak fine platy structure; loose, very friable, nonsticky, nonplastic; 2.5 very fine and fine roots; fragments; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # 81P04124. Range in thickness is 4 to 17 cm in this pedon.; common very fine and fine roots
    C1—36 to 43 centimeters (14.2 to 16.9 inches); 2.5Y 3/4 (2.5Y 3/4) interior very gravelly sandy loam; weak very fine subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 2.5 very fine roots; fragments; slightly alkaline, pH 7.4, hellige-truog; abrupt smooth boundary. 40% gravel and 10% cobbles by volume.; common very fine roots
    2C2—43 to 61 centimeters (16.9 to 24.0 inches); brown (10YR 4/3) interior very gravelly sand; single grain; loose, loose, nonsticky, nonplastic; 0.5 very fine roots; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 81P04125. Effervescent on undersides of pebbles with lime as coatings.; few very fine roots
    2C3—61 to 107 centimeters (24.0 to 42.1 inches); dark gray (10YR 4/1) interior very gravelly sand; single grain; loose, loose, nonsticky, nonplastic; 0.5 very fine roots; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog; gradual smooth boundary. Lab sample # 81P04126. Effervescent on undersides of pebbles with lime as coatings.; few very fine roots
    2C4—107 to 147 centimeters (42.1 to 57.9 inches); very gravelly sand; fragments; abrupt smooth boundary. Lab sample # 81P04127. Identical to 2C3 horizon, but no roots. Split out for sampling purposes.
    2C5—147 to 161 centimeters (57.9 to 63.4 inches); dark gray (10YR 4/1) interior gravelly sand; single grain; loose, loose, nonsticky, nonplastic; fragments; slight effervescence, by hcl, 1n; slightly alkaline, pH 7.8, hellige-truog. 20% gravel and 5% cobbles by volume (estimated). Effervescent on undersides of pebbles with lime as coatings.