IDENTIFIERS

  • Current Taxon Name (Soil Name): RAMPART
  • OSD
  • Series Extent
  • User Site ID: S1974AK290004
  • User Pedon ID: S1974AK290004
  • Vegetation Plot ID: S1974AK290004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 74C0095
  • NCSS Pedon Lab Data NASIS Record ID - 44856
  • Print Date: 11/21/2024

    • 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: 66.8166656
  • Std. Longitude: -145.0833282
  • Datum: WGS84
  • Location Description: about 32 km north of Fort Yukon
  • State: Alaska
  • County: AK290—Yukon-Koyukuk Census Area

    • PEDON

  • Current Taxonomic Class: Coarse-silty, mixed Typic Cryochrepts
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - RAMPART
  • Taxonomic Class - Coarse-silty, mixed Typic Cryochrepts
  • PSC - 9 to 47 cm.
  • Classificaton Date - 8/2/1974
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landform: many thawed lakes with broad terrace
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/2/1974 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PIGL

    POTR5

    Picea glauca

    Populus tremuloides

    white spruce

    quaking aspen

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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

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    125

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    O1—0 to 3 centimeters (0.0 to 1.2 inches); black (10YR 2/1) slightly decomposed plant material; 21.0 roots; fragments; abrupt wavy boundary. Lab sample # 74C00558
    A1—3 to 6 centimeters (1.2 to 2.4 inches); very dark grayish brown (10YR 3/2) silt loam; weak very fine granular structure; very friable; 21.0 roots; fragments; abrupt wavy boundary. Lab sample # 74C00559
    A2—6 to 12 centimeters (2.4 to 4.7 inches); reddish brown (5YR 5/3) silt loam; weak very fine subangular blocky structure; very friable; 3.0 roots; fragments; clear wavy boundary. Lab sample # 74C00560
    B2—12 to 22 centimeters (4.7 to 8.7 inches); dark yellowish brown (10YR 4/4) silt loam; weak very fine subangular blocky structure; very friable; 3.0 roots; fragments; clear wavy boundary. Lab sample # 74C00561
    B3—22 to 32 centimeters (8.7 to 12.6 inches); brown (10YR 4/3) silt loam; weak very thin platy structure; very friable; 3.0 roots; fragments; abrupt wavy boundary. Lab sample # 74C00562
    C1—32 to 50 centimeters (12.6 to 19.7 inches); grayish brown (10YR 5/2) silt loam; weak very thin platy structure; very friable; 0.5 roots; fragments; slight effervescence. Lab sample # 74C00563
    C2—50 to 66 centimeters (19.7 to 26.0 inches); grayish brown (10YR 5/2) silt loam; weak very thin platy structure; very friable; 0.5 roots; fragments; slight effervescence; abrupt wavy boundary. Lab sample # 74C00564
    Cac3—66 to 73 centimeters (26.0 to 28.7 inches); dark grayish brown (10YR 4/2) silt loam; massive; very friable; 0.5 roots; fragments; strong effervescence; abrupt wavy boundary. Lab sample # 74C00565
    C4—73 to 100 centimeters (28.7 to 39.4 inches); dark grayish brown (2.5Y 4/2) silt loam; massive; very friable; 0.5 roots; fragments; slight effervescence; abrupt irregular boundary. Lab sample # 74C00566
    Ch5—100 to 106 centimeters (39.4 to 41.7 inches); dark grayish brown (2.5Y 4/2) silt loam; massive; very friable; 0.5 roots; fragments; slight effervescence; abrupt irregular boundary. Lab sample # 74C00567
    C6—106 to 121 centimeters (41.7 to 47.6 inches); grayish brown (2.5Y 5/2) silt loam; 1 percent brown (7.5YR 4/4) fine distinct mottles; massive; very friable; 0.5 roots; fragments; slight effervescence; clear wavy boundary. Lab sample # 74C00568
    C7—121 to 148 centimeters (47.6 to 58.3 inches); grayish brown (2.5Y 5/2) loam; 3 percent brown (7.5YR 4/4) medium distinct mottles; massive; very friable; 0.0 roots; fragments; slight effervescence; abrupt smooth boundary. Lab sample # 74C00569
    Cf8—148 to 173 centimeters (58.3 to 68.1 inches); grayish brown (2.5Y 5/2) loam; 3 percent brown (7.5YR 4/4) medium distinct mottles; massive; very friable; fragments. Lab sample # 74C00570