IDENTIFIERS

  • Current Taxon Name (Soil Name): Kahana
  • OSD
  • Series Extent
  • User Site ID: S1989HI009004
  • User Pedon ID: 89HI009004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0280
  • NCSS Pedon Lab Data NASIS Record ID - 63327
  • Print Date: 1/30/2025

    • 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: 20.9622231
  • Std. Longitude: -156.6499939
  • Datum: WGS84
  • Location Description: Island of Maui, Maui County, Hawaii. 0.25 mile northwest of Mahinahina Camp in sugarcane field and 50 feet west of concrete canal on Pioneer Mill Company land.
  • State: Hawaii
  • County: HI009—Maui

    • PEDON

  • Current Taxonomic Class: Fine, kaolinitic, isohyperthermic Oxic Haplustepts
  • 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 #: 4
  • Correlated Information:
  • Soil Name - Kahana
  • Classificaton Date - 7/11/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Kahana
  • 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

    ochric epipedon

    oxic horizon

    0—36

    36—155

    —-

    —-
    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

    —

    —

    —

    —

    —

    102

    —

    —

    23

    24

    21

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 18 centimeters (0.0 to 7.1 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, friable, very sticky, very plastic; 5.5 fine roots; 5.5 very fine and fine pores; 30 percent fine dark concretions; fragments; violent effervescence, by hydrogen peroxide, unspecified; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # 91P01684. many fine dark concretions concentrations; many fine roots
    Ap2—18 to 36 centimeters (7.1 to 14.2 inches); dark reddish brown (2.5YR 3/4), 2.5Y 2/0 (2.5Y 2/0), moist; silty clay; moderate fine and medium subangular blocky structure; hard, firm, very sticky, very plastic; 5.5 very fine and fine pores; 30 percent dark concretions; fragments; violent effervescence, by hydrogen peroxide, unspecified; very strongly acid, pH 5.0, hellige-truog; abrupt wavy boundary. Lab sample # 91P01684. many very fine and fine dark concretions concentrations
    Bo1—36 to 56 centimeters (14.2 to 22.0 inches); dark reddish brown (2.5YR 3/4), dark reddish brown (2.5YR 3/4), moist; silty clay; moderate fine and medium subangular blocky structure; hard, firm, very sticky, very plastic; 5.5 very fine and fine pores; 30 percent dark concretions; fragments; violent effervescence, by hydrogen peroxide, unspecified; very strongly acid, pH 5.0, hellige-truog; abrupt wavy boundary. Lab sample # 91P01685. many very fine and fine dark concretions concentrations
    Bo2—56 to 86 centimeters (22.0 to 33.9 inches); dark red (2.5YR 3/6), dark reddish brown (2.5YR 3/4), moist; silty clay; strong very fine subangular blocky structure; hard, firm, moderately sticky, very plastic; 0.5 fine roots; 5.5 very fine and fine tubular pores; pressure faces on faces of peds; 11 percent dark concretions; fragments; strong effervescence, by hydrogen peroxide, unspecified; neutral, pH 6.6, hellige-truog; clear wavy boundary. Lab sample # 91P01686. common sand-size aggregates that are resistant to crushing; the continuous pressure faces on peds resemble slickensides; common very fine and fine dark concretions concentrations; few fine roots; continuous - phpvsfiid 226458; continuous - phpvsfiid 226458
    Bo3—86 to 119 centimeters (33.9 to 46.9 inches); dark red (2.5YR 3/6), dark reddish brown (2.5YR 3/4), moist; silty clay; strong very fine subangular blocky structure; hard, firm, moderately sticky, very plastic; 0.5 fine roots; 5.5 very fine and fine tubular pores; pressure faces on faces of peds and 37 percent coats on faces of peds; 30 percent dark concretions; fragments; slight effervescence, by hydrogen peroxide, unspecified; neutral, pH 6.7, hellige-truog; clear wavy boundary. Lab sample # 91P01687. the continuous pressure faces on peds resemble slickensides; common sand-size aggregates that are resistant to crushing; violent effervescence on black coatings; many very fine and fine dark concretions concentrations; common coats surface features on faces of peds; few fine roots; continuous - phpvsfiid 226459; continuous - phpvsfiid 226459
    Bo4—119 to 155 centimeters (46.9 to 61.0 inches); dark red (2.5YR 3/6), dark reddish brown (2.5YR 3/4), moist; silty clay; strong very fine subangular blocky structure; slightly hard, friable, moderately sticky, very plastic; 5.5 fine and medium tubular and 5.5 coarse tubular pores; pressure faces on faces of peds; fragments; neutral, pH 6.8, hellige-truog. Lab sample # 91P01688. common highly weathered pebbles that can be broken with the fingers; continuous - phpvsfiid 226461; continuous - phpvsfiid 226461