IDENTIFIERS

  • Current Taxon Name (Soil Name): Tanana
  • OSD
  • Series Extent
  • User Site ID: S1982AK090001
  • User Pedon ID: 82AK090001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 83P0638
  • NCSS Pedon Lab Data NASIS Record ID - 52875
  • Print Date: 5/1/2025

    • 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: 67.1666641
  • Std. Longitude: -146.4166718
  • Datum: WGS84
  • Township: 1S
  • Range: 2W
  • Section: 1
  • PLSS Details: NW 1/4, SE 1/4
  • Location Description: 3.2 km W of College P.O., University of Alaska
  • State: Alaska
  • County: AK090—Fairbanks North Star Borough

    • PEDON

  • Describers Name: Rex Cochran, Bryon Koepke, Andy Peterson
  • Current Taxonomic Class: Loamy, mixed, nonacid Pergelic Cryaquepts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Tanana
  • Classificaton Date - 7/11/2007
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Tanana
  • Taxonomic Class - Loamy, mixed, nonacid Pergelic Cryaquept
  • Taxon Kind - series
  • Classificaton Date - 9/1/1982
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1982 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

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    1Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (2.5Y 3/2) interior silt loam; weak medium granular structure; very friable, nonsticky, nonplastic; 2.5 medium roots and 5.5 fine roots; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 83P03126. many fine roots; common medium roots
    1B21g—20 to 28 centimeters (7.9 to 11.0 inches); dark gray (5Y 4/1) interior and very dark grayish brown (10YR 3/2) interior silt loam; 1 percent olive gray (5Y 5/2) medium faint and 11 percent brown (7.5YR 4/4) fine distinct mottles; weak fine platy structure; very friable, nonsticky, nonplastic; 2.5 fine and medium roots; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 83P03127. Fe small charcoal particles.; common fine and medium roots; common fine distinct 7.5YR44 mottles; few medium faint 5Y52 mottles
    1B22g—28 to 55 centimeters (11.0 to 21.7 inches); dark grayish brown (2.5Y 4/2) interior silt loam; 11 percent brown (7.5YR 4/4) fine distinct and 30 percent olive gray (5Y 5/2) medium faint mottles; moderate fine platy structure; very friable, nonsticky, nonplastic; 0.5 fine roots; fragments; neutral, pH 7.0, hellige-truog; abrupt wavy boundary. Lab sample # 83P03128. Few small charcoal particles.; few fine roots; common fine distinct 7.5YR44 mottles; many medium faint 5Y52 mottles
    1C1g—55 to 86 centimeters (21.7 to 33.9 inches); dark grayish brown (2.5Y 4/2) interior and olive brown (2.5Y 4/4) interior silt loam; 30 percent brown (7.5YR 4/4) medium distinct and 30 percent olive gray (5Y 5/2) medium distinct mottles; massive; very friable, nonsticky, nonplastic; 0.5 fine roots; fragments; slightly alkaline, pH 7.6, hellige-truog; gradual wavy boundary. Lab sample # 83P03129. Few small charcoal particles; lenses of very fine sandy loam.; few fine roots; many medium distinct 7.5YR44 mottles; many medium distinct 5Y52 mottles
    1C2g—86 to 129 centimeters (33.9 to 50.8 inches); dark grayish brown (2.5Y 4/2) interior and olive brown (2.5Y 4/4) interior silt loam; 1 percent brown (7.5YR 4/4) fine faint and 30 percent olive gray (5Y 5/2) medium distinct mottles; massive; very friable, nonsticky, nonplastic; fragments; slightly alkaline, pH 7.6, hellige-truog; gradual wavy boundary. Lab sample # 83P03130. Lenses of very fine sandy loam.; few fine faint 7.5YR44 mottles; many medium distinct 5Y52 mottles
    1C3—129 to 152 centimeters (50.8 to 59.8 inches); dark grayish brown (2.5Y 4/2) interior and olive brown (2.5Y 4/4) interior silt loam; 1 percent olive gray (5Y 5/2) faint mottles; massive; very friable, nonsticky, nonplastic; fragments; slightly alkaline, pH 7.6, hellige-truog. Lab sample # 83P03131. Lenses of very fine sandy loam.; few faint 5Y52 mottles