IDENTIFIERS

  • Current Taxon Name (Soil Name): Umpump
  • OSD
  • Series Extent
  • User Site ID: 79TQ634002
  • User Pedon ID: 79TQ634002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 79P0128
  • NCSS Pedon Lab Data NASIS Record ID - 46861
  • Print Date: 11/24/2024

    • 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: 6.9552779
  • Std. Longitude: 158.2141724
  • Datum: WGS84
  • Location Description: 87 meters NW of the S corner of the Ponape Agriculture Station along the boundary fence, then 6 meters NE of the fence.
  • Country: FM—Federated States of Micronesia
  • MLRA: 195—Volcanic Islands of Central and Eastern Micronesia

    • PEDON

  • Describers Name: J. M. Williams, R. Huff, W. Laird, C. Smith
  • Current Taxonomic Class: Very-fine, sesquic, isohyperthermic, shallow Anionic Acroperox
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Umpump
  • Classificaton Date - 7/11/2007
  • Sampled As Information:
  • Soil Name - Umpump
  • Taxonomic Class - Clayey, oxidic, isohyperthermic, shallow Typic Acr
  • Taxon Kind - series
  • Classificaton Date - 3/1/1979
  • Moisture Class - perudic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: terrace—stream or lake
  • Slope Shape Down: convex
  • Runoff: very low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1979 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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

    8

    —

    —

    35

    —

    315

    470

    —

    —

    27

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A—0 to 13 centimeters (0.0 to 5.1 inches); dark yellowish brown (10YR 4/4) interior gravelly clay loam; moderate fine subangular blocky, and strong very fine and fine granular structure; friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 0.5 medium roots; 5.5 very fine and fine interstitial and 0.5 medium tubular pores; fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # 79P00630. Gravel consists of about 30% 2 mm to 1.5 cm angular to rounded iron concretions.; common very fine and fine roots; few medium roots
    1Bo1—13 to 41 centimeters (5.1 to 16.1 inches); strong brown (7.5YR 4/6) interior silty clay; massive, and strong very fine and fine granular; firm, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial and 5.5 very fine and fine tubular pores; fragments; very strongly acid, pH 4.9, hellige-truog; abrupt wavy boundary. Lab sample # 79P00631. Gravel consists of about 10% 2 mm to 1 cm angular to subrounded iron concretions.; few very fine and fine roots
    1Bo2—41 to 66 centimeters (16.1 to 26.0 inches); red (2.5YR 4/6) interior gravelly silty clay; 30 percent strong brown (7.5YR 5/6) fine distinct mottles; strong fine and medium angular blocky structure; firm, slightly sticky, moderately plastic; 0.2 very fine and fine roots and 0.5 medium roots; 5.5 very fine and fine interstitial and tubular pores; 15 percent faint , moist, coats on faces of peds and in pores; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt irregular boundary. Lab sample # 79P00632. Mottles occur adjacent to ped surfaces and pores; gravel consists of about 20% 2 mm to 2 cm subangular to subrounded iron concretions.; few coats surface features on faces of peds and in pores; very few to few very fine and fine roots; few medium roots; many fine distinct 7.5YR56 mottles
    1Cr—66 to 102 centimeters (26.0 to 40.2 inches); dark brown (7.5YR 3/4) interior weathered bedrock, silt loam; very hard, firm, slightly sticky, slightly plastic; 2.5 very fine and fine tubular pores; fragments. Lab sample # 79P00633. Fractures are less than 10 cm apart in random places; pores within fractures; common thin coatings and thick manganese seams along fractures.