IDENTIFIERS

  • Current Taxon Name (Soil Name): Kahua
  • OSD
  • Series Extent
  • User Site ID: S1991HI001004
  • User Pedon ID: 91HI001004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P1160
  • NCSS Pedon Lab Data NASIS Record ID - 64196
  • 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: 20.1280842
  • Std. Longitude: -155.7672424
  • Datum: WGS84
  • Location Description: Island of Hawaii, Hawi Quad, about 2m E of Hwy 25 on the Kahua Ranch, Dr. to the SE toe of Puu Iki and walk about 200 feet E across wet swale to upper backslope facing Puu Iki. and walk about 200 feet E across wet swale to upper backslope facing puu Iki.
  • State: Hawaii
  • County: HI001—Hawaii
  • MLRA: 162—Humid and Very Humid Organic Soils on Lava Flows

    • PEDON

  • Current Taxonomic Class: Medial, ferrihydritic, isomesic Hydric Pachic Placudands
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Kahua
  • Classificaton Date - 7/23/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Kahua
  • Taxonomic Class - Thixotropic, isomesic Typic Placandept
  • Taxon Kind - series
  • Classificaton Date - 8/20/1991
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Hill Slope Profile: backslope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/20/1991 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    10

    —

    —

    1140

    —

    230

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 8 centimeters (0.0 to 3.1 inches); fragments; abrupt wavy boundary. Lab sample # 91P07748. undecomposed grass and roots
    A—8 to 25 centimeters (3.1 to 9.8 inches); very dark brown (10YR 2/2) silt loam; moderate fine granular structure; friable, slightly sticky, slightly plastic; moderately smeary; 5.0 very fine roots and 0.5 medium roots; 21.0 very fine and fine interstitial and tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary. Lab sample # 91P07749
    Eg—25 to 36 centimeters (9.8 to 14.2 inches); very dark gray (5YR 3/1) silt loam; 5 percent dark reddish brown (5YR 3/4) fine and medium distinct mottles; moderate fine and medium subangular blocky structure; friable, moderately sticky, slightly plastic; moderately smeary; 5.0 very fine and fine roots and 0.5 medium roots; 21.0 very fine and fine interstitial and tubular pores; fragments; very strongly acid, pH 5.0, hellige-truog; abrupt wavy boundary. Lab sample # 91P07750
    Birm—36 to 38 centimeters (14.2 to 15.0 inches); dark reddish brown (5YR 3/3); fragments; strongly acid, pH 5.5, hellige-truog; abrupt wavy boundary. Lab sample # 91P07751. Discontinuous ironstone pan, moderately brittle when moist
    Bw1—38 to 58 centimeters (15.0 to 22.8 inches); dark brown (7.5YR 3/4) silt loam; moderate medium subangular blocky structure; firm, slightly sticky, slightly plastic; 5.0 very fine roots and 5.0 fine and medium roots; 5.0 very fine and fine interstitial and tubular pores; fragments; strongly acid, pH 5.5, hellige-truog; abrupt wavy boundary. Lab sample # 91P07752
    Bw2—58 to 69 centimeters (22.8 to 27.2 inches); dark reddish brown (5YR 3/2) and dark reddish brown (5YR 3/4) and reddish brown (5YR 4/4) gravelly silt loam; moderate medium subangular blocky structure; soft, firm, slightly sticky, nonplastic; 5.0 fine and medium roots; 21.0 very fine and fine interstitial and tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary. Lab sample # 91P07753
    Cr—69 to 119 centimeters (27.2 to 46.9 inches); dark brown (10YR 3/3) and very dark grayish brown (10YR 3/2) and dark yellowish brown (10YR 3/4) fine gravelly coarse sand; massive; very firm, nonsticky, nonplastic; 21.0 very fine and fine interstitial pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary.