IDENTIFIERS

  • Current Taxon Name (Soil Name): Halii
  • OSD
  • Series Extent
  • User Site ID: S1981HI007001
  • User Pedon ID: 81HI007001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0272
  • NCSS Pedon Lab Data NASIS Record ID - 50509
  • Print Date: 4/20/2025
  • 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: 22.0713882
  • Std. Longitude: -159.4008331
  • Datum: WGS84
  • Location Description: Wailua Kauai 270 meters NW of station office and 35 meters E of dirt road. Along western portion of ridge.
  • State: Hawaii
  • County: HI007—Kauai
  • PEDON

  • Describers Name: H. IKAWA
  • Current Taxonomic Class: Clayey, ferruginous, isothermic Humic Rhodic Acrudox
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Halii
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Halii
  • Taxonomic Class - Clayey, ferritic, isothermic Typic Gibbsihumox
  • Taxon Kind - series
  • Classificaton Date - 3/1/1981
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: upland slope
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/1/1981 (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

    3

    180

    1Ap—0 to 25 centimeters (0.0 to 9.8 inches); dark brown (7.5YR 3/2) interior very gravelly silty clay loam; moderate very fine and fine subangular blocky structure; friable, moderately sticky, moderately plastic; 5.5 very fine roots; 5.5 very fine tubular pores; fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # 82P01451. LOWER PORTION OF HORIZON HAS MANY IRON CONCRETIONS MOSTLY RANGING IN SIZE 1 TO 2 MM SOME AS LARGE AS 1 CM. FEW ROCK FRAGMENTS MOSTLY 2 TO 3 CM OCCASIONALLY 5 TO 10 CM.; many very fine roots
    1B21—25 to 64 centimeters (9.8 to 25.2 inches); dark reddish brown (5YR 3/3) interior silty clay; moderate fine and medium subangular blocky structure; friable, moderately sticky, moderately plastic; 0.1 very fine roots; 5.5 very fine tubular pores; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # 82P01452. OCCASIONAL WEATHERED ROCKS RANGING IN SIZE 4 TO 10 CM.; very few very fine roots
    1B22—64 to 80 centimeters (25.2 to 31.5 inches); dark reddish brown (5YR 3/3) interior silty clay; moderate fine and medium subangular blocky structure; friable, moderately sticky, moderately plastic; moderately smeary; 0.1 very fine roots; 5.5 very fine tubular pores; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. HORIZON HAS 2 LAYERS OF WEATHERING BASALT ROCKS RANGING IN THICKNESS 3 TO 5 CM WITH MANY WEATHERED OLIVINES VESICLES WITH CLAY DEPOSIT AND REDDISH BROWN AND BROWN DEPOSITS. ROCK LAYERS REPRESENT 10 TO 20 PCT OF HORIZON.; very few very fine roots
    1B23—80 to 127 centimeters (31.5 to 50.0 inches); dark reddish brown (5YR 3/4) interior silty clay; moderate fine and medium subangular blocky structure; firm, moderately sticky, moderately plastic; moderately smeary; 5.5 very fine tubular pores; 37 percent , moist, clay films on faces of peds and 37 percent , moist, clay films in root channels and/or pores; fragments; strongly acid, pH 5.5, hellige-truog; gradual smooth boundary. Lab sample # 82P01453. MATRIX CONTAINS MANY PIECES OF WEATHERED OLIVINES. ROCKS REPRESENT 30 TO 40 PERCENT OF HORIZON.; common clay films surface features on faces of peds; common clay films surface features in root channels and/or pores
    1B24—127 to 135 centimeters (50.0 to 53.1 inches); dark reddish brown (5YR 3/4) interior silty clay; moderate fine and medium subangular blocky structure; firm, moderately sticky, moderately plastic; moderately smeary; 5.5 very fine tubular pores; 55 percent , moist, clay films and 55 percent , moist, clay films in root channels and/or pores; fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. MANY OF THE PORES ALSO HAVE DARK COLORED COATINGS. MATRIX CONTAINS MANY FINE PIECES OF WEATHERED OLIVINES. ROCKS REPRESENT 60 TO 70 PERCENT OF HORIZON.; many clay films surface features; many clay films surface features in root channels and/or pores
    1B25—135 to 150 centimeters (53.1 to 59.1 inches); dark reddish brown (5YR 3/4) interior clay loam; massive; friable, slightly sticky, slightly plastic; 5.5 very fine tubular pores; fragments; very strongly acid, pH 5.0, hellige-truog. AREAS OF WEATHERED OLIVINES ARE DARK REDDISH BROWN (5YR 3/3). MATRIX CONTAINS MANY FINE PIECES OF WEATHERED OLIVINES.