IDENTIFIERS

  • Current Taxon Name (Soil Name): Keahua
  • OSD
  • Series Extent
  • User Site ID: S1983HI009013
  • User Pedon ID: 83HI009013
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0042
  • NCSS Pedon Lab Data NASIS Record ID - 53736
  • 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: 20.8077774
  • Std. Longitude: -156.3505554
  • Datum: WGS84
  • Location Description: Maui Hawaii. From Kula Hwy 1.6 km W on Omaopio Rd., then 1.1 km W on Piuliwale Rd. Site is 150 meters N of road.
  • State: Hawaii
  • County: HI009—Maui
  • MLRA: 158—Semiarid and Subhumid Low Mountain Slopes

    • PEDON

  • Describers Name: S. Nakamura
  • Current Taxonomic Class: Fine, kaolinitic, isothermic Pachic Haplustolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 13
  • Correlated Information:
  • Soil Name - Keahua
  • Classificaton Date - 7/11/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Keahua
  • Taxonomic Class - Fine, kaolinitic, isohyperthermic Torroxic Haplust
  • Taxon Kind - series
  • Classificaton Date - 10/1/1983
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Surface Fragments: 0.00 percent
  • 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
    • 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

    —

    —

    510

    —

    480

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    0 to 0 centimeters (0.0 to 0.0 inches); fragments. Lab sample # 84P00175
    1Ap—0 to 28 centimeters (0.0 to 11.0 inches); reddish brown (5YR 4/3) interior, dark reddish brown (5YR 3/2) interior, moist; silty clay; massive, and weak fine granular; very hard, firm, very sticky, very plastic; 2.5 very fine roots and 0.5 fine roots; 5.5 very fine tubular pores; 1 percent by volume 2-39-75 millimeter mixed fragments; slight effervescence, by hydrogen peroxide, unspecified; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 84P00175. Bottom of horizon has 1 cm layer of straw.; few fine roots; common very fine roots
    1Bw1—28 to 63 centimeters (11.0 to 24.8 inches); reddish brown (5YR 4/3) interior, dark reddish brown (5YR 3/2) interior, moist; silty clay; weak coarse prismatic, and weak fine and medium subangular blocky structure; very hard, firm, very sticky, very plastic; 0.5 very fine roots; 2.5 very fine tubular pores; 11 percent dark concretions; fragments; violent effervescence, by hydrogen peroxide, unspecified; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # 84P00176. Compact in place.; common very fine dark concretions concentrations; few very fine roots
    1Bw2—63 to 82 centimeters (24.8 to 32.3 inches); dark reddish gray (5YR 4/2) interior, dark reddish brown (5YR 3/2) interior, moist; silty clay; weak coarse prismatic, and strong very fine and fine subangular blocky structure; very hard, friable, very sticky, very plastic; 0.5 very fine roots; 2.5 very fine tubular pores; 11 percent dark concretions; fragments; strong effervescence, by hydrogen peroxide, unspecified; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # 84P00177. Compact in place.; common very fine dark concretions concentrations; few very fine roots
    1Bw3—82 to 130 centimeters (32.3 to 51.2 inches); reddish brown (5YR 4/3) interior, dark reddish brown (5YR 3/2) interior, moist; silty clay; strong very fine and fine angular blocky structure; very hard, friable, very sticky, very plastic; 0.5 very fine roots; 5.5 very fine tubular pores; 37 percent nonintersecting slickensides; 11 percent dark concretions; fragments; violent effervescence, by hydrogen peroxide, unspecified; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 84P00178. Compact in place.; common very fine dark concretions concentrations; common nonintersecting slickensides surface features; few very fine roots
    1Bw4—130 to 156 centimeters (51.2 to 61.4 inches); reddish brown (5YR 4/3) interior, dark reddish brown (5YR 3/2) interior, moist; silty clay; moderate very fine and fine angular blocky structure; very hard, friable, very sticky, very plastic; 0.5 very fine roots; 2.5 very fine tubular pores; 37 percent nonintersecting slickensides; 11 percent dark concretions; fragments; violent effervescence, by hydrogen peroxide, unspecified; neutral, pH 7.0, hellige-truog. Lab sample # 84P00179. Compact in place.; common very fine dark concretions concentrations; common nonintersecting slickensides surface features; few very fine roots