IDENTIFIERS

  • Current Taxon Name (Soil Name): Chacha
  • OSD
  • Series Extent
  • User Site ID: 83GQ066008
  • User Pedon ID: 83GQ066008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0215
  • NCSS Pedon Lab Data NASIS Record ID - 53909
  • 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: 13.3569441
  • Std. Longitude: 144.7500000
  • Datum: WGS84
  • Location Description: Guam About 100 meters W of Talofofo village along a farm road and drainage ditch on the N side of the road.
  • State: Guam
  • MLRA: 181—Arctic Foothills

    • PEDON

  • Describers Name: F. J. Young and J. L. Demeterio
  • Current Taxonomic Class: Very-fine, parasesquic, isohyperthermic Vertic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Chacha
  • Classificaton Date - 6/18/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Chacha
  • Taxonomic Class - Very-fine, kaolinitic, isohyperthermic Tropeptic E
  • Taxon Kind - series
  • Classificaton Date - 10/1/1983
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plateaus or tablelands
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1983 (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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    cambic horizon

    20—110

    —-
    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

    —

    —

    —

    85

    —

    260

    —

    —

    —

    —

    —

    —

    —

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    1Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (10YR 3/3) interior and dark yellowish brown (10YR 3/4) interior clay; weak very fine subangular blocky structure; firm, moderately sticky, moderately plastic; 5.5 very fine roots; 2.5 very fine and fine tubular and 0.5 interstitial pores; 11 percent fine spherical dark concretions; fragments; clear wavy boundary. Lab sample # 84P01119. Few fine pieces of Bo1 horizon present in lower part. Surface is irregular from past cultivation. Colors mixed in an irregular very fine pattern.; common fine dark concretions concentrations; many very fine roots
    1Bo1—20 to 58 centimeters (7.9 to 22.8 inches); strong brown (7.5YR 5/6) interior clay; weak very fine subangular blocky structure; firm, moderately sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine tubular and 0.5 fine and medium tubular pores; 15 percent , moist, pressure faces; 30 percent fine spherical masses of dark accumulation; fragments; gradual wavy boundary. Lab sample # 84P01120. Few medium faint patches of yellowish red 7.5YR 5/6 clay. Common very fine interstitial pores. Soft to hard, irregularly distributed.; many fine soft dark masses concentrations; few pressure faces surface features; few very fine roots
    1Bo2—58 to 85 centimeters (22.8 to 33.5 inches); 50 percent strong brown (7.5YR 5/6) interior and 30 percent yellowish red (5YR 4/6) interior and 20 percent red (2.5YR 4/8) interior clay; moderate fine subangular blocky structure; firm, moderately sticky, moderately plastic; 0.5 very fine roots; 2.5 very fine tubular and 0.5 fine tubular pores; 37 percent , moist, pressure faces; fragments; diffuse wavy boundary. Lab sample # 84P01121. Colors in a fine irregular pattern. Some pores stained be decomposing roots. Red soil material is slightly more brittle than the browner areas. Few very fine interstitial pores.; common pressure faces surface features; few very fine roots
    1Bo3—85 to 110 centimeters (33.5 to 43.3 inches); 50 percent strong brown (7.5YR 5/6) interior and 50 percent red (2.5YR 4/8) interior clay; moderate fine subangular blocky structure; friable, moderately sticky, moderately plastic; 0.5 very fine roots; 1.0 very fine and fine tubular and 0.5 very fine interstitial pores; 55 percent , moist, pressure faces; fragments; diffuse wavy boundary. Lab sample # 84P01122. In an irregular fine pattern with few fine prominent elongated seams of very pale brown 10YR 7/4. Red soil material is slightly brittle and pale brown seams are more sticky and plastic than the matrix. Some pores are stained with decomposing; many pressure faces surface features; few very fine roots
    1Bw—110 to 160 centimeters (43.3 to 63.0 inches); 40 percent strong brown (7.5YR 5/6) interior and 40 percent red (2.5YR 4/8) interior and 20 percent white (10YR 8/1) interior clay; moderate fine subangular blocky structure; friable, moderately sticky, moderately plastic; 0.5 very fine roots; 1.0 very fine and fine tubular and 0.5 very fine interstitial pores; , moist, pressure faces on faces of peds; fragments. Lab sample # 84P01123. White material in long seams less than 1 cm wide tilted at approx. 45 degrees. Red soil material is slightly brittle and white seams are more sticky and plastic than the matrix. Common dark brown 7.5YR 3/2 staining in pores in the white seam; few very fine roots