IDENTIFIERS

  • Current Taxon Name (Soil Name): Tanana
  • OSD
  • Series Extent
  • User Site ID: S1985AK290004
  • User Pedon ID: 85AK290004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0884
  • NCSS Pedon Lab Data NASIS Record ID - 57150
  • Print Date: 4/27/2025

    • 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: 64.7500000
  • Std. Longitude: -151.2500000
  • Datum: WGS84
  • State: Alaska
  • County: AK290—Yukon-Koyukuk Census Area
  • MLRA: 174—Interior Alaska Lowlands

    • PEDON

  • Describers Name: J.P. Moore and S. Park
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Tanana
  • Taxonomic Class - Loamy, mixed Pergelic Cryaquepts
  • Classificaton Date - 8/1/1985
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: very poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1985 (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

    2

    —

    —

    229

    —

    225

    43

    —

    —

    —

    —

    —

    5

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 7 centimeters (0.0 to 2.8 inches); partially decomposed organic matter; fragments; abrupt wavy boundary.
    Oe—7 to 12 centimeters (2.8 to 4.7 inches); black (10YR 2/1) interior partially decomposed organic matter; fragments; strongly acid, pH 5.4, hellige-truog; abrupt wavy boundary. Lab sample # 85P04734
    Ag—12 to 22 centimeters (4.7 to 8.7 inches); very dark gray (10YR 3/1) interior very fine sandy loam; 11 percent very dark grayish brown (2.5Y 3/2) coarse distinct mottles; moderate medium granular structure; very friable, nonsticky, nonplastic; 2.5 very fine and fine roots and 0.5 medium roots; fragments; moderately acid, pH 5.6, hellige-truog; abrupt wavy boundary. Lab sample # 85P04735. Few thin strata of loamy fine sand.; few medium roots; common very fine and fine roots; common coarse distinct 2.5Y32 mottles
    C1g—22 to 42 centimeters (8.7 to 16.5 inches); dark grayish brown (2.5Y 4/2) interior very fine sandy loam; 1 percent brown (10YR 4/3) coarse distinct and 30 percent olive (5Y 4/3) coarse distinct mottles; massive, and moderate very fine platy; very friable, nonsticky, nonplastic; 0.5 very fine and fine roots; fragments; moderately acid, pH 5.8, hellige-truog; gradual irregular boundary. Lab sample # 85P04736. few very fine and fine roots; many coarse distinct 5Y43 mottles; few coarse distinct 10YR43 mottles
    Cg2—42 to 63 centimeters (16.5 to 24.8 inches); dark grayish brown (2.5Y 4/2) interior very fine sandy loam; 30 percent olive gray (5Y 4/2) coarse distinct and 30 percent dark yellowish brown (10YR 3/4) coarse prominent mottles; massive, and moderate very fine platy; very friable, nonsticky, nonplastic; 0.5 very fine and fine roots; fragments; slightly acid, pH 6.2, hellige-truog; abrupt smooth boundary. Lab sample # 85P04737. Many pockets and thin strata of fine sany loam.; few very fine and fine roots; many coarse distinct 5Y42 mottles; many coarse prominent 10YR34 mottles
    Cfg—63 to 89 centimeters (24.8 to 35.0 inches); dark grayish brown (2.5Y 4/2) interior very fine sandy loam; 30 percent olive gray (5Y 4/2) coarse distinct and 30 percent dark yellowish brown (10YR 3/4) coarse prominent mottles; massive; fragments. Lab sample # 85P04738. Many pockets and strata of fine sandy loam.; many coarse distinct 5Y42 mottles; many coarse prominent 10YR34 mottles