IDENTIFIERS

  • Current Taxon Name (Soil Name): Wahiawa
  • OSD
  • Series Extent
  • User Site ID: S1989HI003011
  • User Pedon ID: 89HI003011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0270
  • NCSS Pedon Lab Data NASIS Record ID - 63317
  • Print Date: 4/29/2025
  • 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: 21.4377785
  • Std. Longitude: -158.0044403
  • Datum: WGS84
  • Location Description: Island of Oahu, Honolulu County, Hawaii. Junction of Kamehameha Highway and entrance road to Mililani Cemetery; east 0.7 mile then 400 feet north to Dole Corporation field No. 4101 block 30.
  • State: Hawaii
  • County: HI003—Honolulu
  • PEDON

  • Current Taxonomic Class: Very-fine, kaolinitic, isohyperthermic Kandiustalfic Eutrustox
  • 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 #: 11
  • Correlated Information:
  • Soil Name - Wahiawa
  • Classificaton Date - 7/11/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Wahiawa
  • Classificaton Date - 12/1/1989
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1989 (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

    mollic epipedon

    oxic horizon

    0—30

    30—152

    —-

    —-

    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

    127

    22

    23

    21

    22

    Ap1—0 to 15 centimeters (0.0 to 5.9 inches); dusky red (2.5YR 3/2), very dusky red (2.5YR 2/2), moist; silty clay; moderate medium granular, and moderate very fine and fine granular structure; very hard, friable, moderately sticky, moderately plastic; 5.5 roots; 5.5 very fine and fine and 5.5 medium pores; fragments; violent effervescence, by hydrogen peroxide, unspecified; moderately acid, pH 5.6, hellige-truog; abrupt smooth boundary. Lab sample # 91P01632. many 1/8 to 1/4 inch black concretions; many roots
    Ap2—15 to 30 centimeters (5.9 to 11.8 inches); dusky red (2.5YR 3/2), dusky red (2.5YR 3/2), moist; silty clay; moderate coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 5.5 roots; 0.5 very fine and fine tubular pores; fragments; violent effervescence, by hydrogen peroxide, unspecified; moderately acid, pH 5.8, hellige-truog; abrupt wavy boundary. Lab sample # 91P01633. common dark reddish brown (2.5YR 3/4) material from the B horizon mixed by cultivation; many black concretions; compact in place; many roots
    Bo1—30 to 41 centimeters (11.8 to 16.1 inches); dark reddish brown (2.5YR 3/4), dark reddish brown (2.5YR 2/4), moist; silty clay; moderate very fine and fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 2.5 roots; 2.5 very fine and fine tubular and 0.5 coarse tubular pores; fragments; strong effervescence, by hydrogen peroxide, unspecified; moderately acid, pH 5.6, hellige-truog; gradual wavy boundary. Lab sample # 91P01634. many black concretions; common roots
    Bo2—41 to 84 centimeters (16.1 to 33.1 inches); dark reddish brown (2.5YR 3/4), dark reddish brown (2.5YR 2/4), moist; silty clay; moderate very fine and fine subangular blocky, and strong very fine and fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 0.5 roots; 2.5 very fine and fine tubular pores; pressure faces and 55 percent distinct black stains; fragments; strong effervescence, by hydrogen peroxide, unspecified; slightly acid, pH 6.5, hellige-truog; diffuse wavy boundary. Lab sample # 91P01635. few black concretions; many black stains surface features; few roots; continuous - phpvsfiid 226431; continuous - phpvsfiid 226431
    Bo3—84 to 114 centimeters (33.1 to 44.9 inches); dark reddish brown (2.5YR 3/4), dark reddish brown (2.5YR 2/4), moist; silty clay; moderate very fine subangular blocky, and strong very fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine and fine tubular pores; pressure faces and 55 percent distinct black stains; fragments; slight effervescence, by hydrogen peroxide, unspecified; neutral, pH 7.1, hellige-truog; diffuse wavy boundary. Lab sample # 91P01636. few black concretions; many black stains surface features; continuous - phpvsfiid 226434; continuous - phpvsfiid 226434
    Bo4—114 to 152 centimeters (44.9 to 59.8 inches); dark reddish brown (2.5YR 3/4), dark reddish brown (2.5YR 2/4), moist; silty clay; moderate very fine subangular blocky, and strong very fine subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 2.5 very fine and fine tubular pores; faint clay films and pressure faces and 15 percent black stains; fragments; slight effervescence, by hydrogen peroxide, unspecified; neutral, pH 6.9, hellige-truog. Lab sample # 91P01637. many distinct slickensides up to 2 inches long; very few black concretions; few black stains surface features; patchy - phpvsfiid 226436; continuous - phpvsfiid 226437; patchy - phpvsfiid 226436; continuous - phpvsfiid 226437