IDENTIFIERS

  • Current Taxon Name (Soil Name): Olotania
  • OSD
  • Series Extent
  • User Site ID: 81AS603056
  • User Pedon ID: 81AS603056
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 81P0741
  • NCSS Pedon Lab Data NASIS Record ID - 49585
  • Print Date: 3/14/2025

    • 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: -14.2419444
  • Std. Longitude: -169.4902778
  • Datum: WGS84
  • Location Description: About one-half mile west northwest of Olomanu Crater.
  • State: American Samoa
  • MLRA: 197—Volcanic Islands of American Samoa

    • PEDON

  • Describers Name: S. Nakamura
  • Current Taxonomic Class: Medial, amorphic, isohyperthermic Hydric Hapludands
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 56
  • Correlated Information:
  • Soil Name - Olotania
  • Classificaton Date - 6/15/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Olomanu
  • Classificaton Date - 9/1/1981
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1981 (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

    34

    —

    —

    397

    —

    635

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    —

    —

    —

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    1A—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (7.5YR 3/2) interior silty clay loam; weak fine and medium subangular blocky structure; friable, moderately sticky, slightly plastic; weakly smeary; 5.5 roots; 5.5 very fine tubular and 2.5 fine tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 81P04429. Few weathered cinders; high in organic matter.; many roots
    1Bw—20 to 64 centimeters (7.9 to 25.2 inches); dark yellowish brown (10YR 3/4) interior silty clay loam; weak medium subangular blocky structure; friable, moderately sticky, slightly plastic; 5.5 roots; 5.5 very fine tubular and 0.5 fine tubular pores; fragments; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary. Lab sample # 81P04430. 15 to 20 percent highly weathered cinders that crush easily.; many roots
    2C—64 to 152 centimeters (25.2 to 59.8 inches); black (10YR 2/1) interior and brown (10YR 4/3) interior and dark reddish brown (2.5YR 3/4) interior clay loam, sandy loam; massive, and weak medium subangular blocky; friable, moderately sticky, slightly plastic; 0.5 roots; 0.5 very fine and fine tubular pores; fragments; slightly acid, pH 6.4, hellige-truog. Lab sample # 81P04431. Stratified layers of weathered cinders that have variegated colors and textures.; few roots