IDENTIFIERS

  • Current Taxon Name (Soil Name): Pooku
  • OSD
  • Series Extent
  • User Site ID: S1962HI007004
  • User Pedon ID: S1962HI007004
  • Vegetation Plot ID: S1962HI007004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A5633
  • NCSS Pedon Lab Data NASIS Record ID - 42876
  • Print Date: 11/13/2025

    • 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: 22.1971188
  • Std. Longitude: -159.4455414
  • Datum: WGS84
  • Location Description: .4 km (1/4 mile) south of Pooku Hill, 31 meters (105 feet) east of fence. Approximately 7.2 km (4.5 miles) west of Kilauea and 24 km (15 miles) northwest of Lihue.
  • State: Hawaii
  • County: HI007—Kauai
  • Non-MLRA Soil Survey Area: HI960—Island of Kauai, Hawaii

    • PEDON

  • Describers Name: J. M. Williams and D. E. Foote
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 4
  • Sampled As Information:
  • Soil Name - Pooku
  • Classificaton Date - 10/1/1962
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1962 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    DIER

    MIMOS

    PACO14

    Digitaria eriantha

    Mimosa

    Paspalum conjugatum

    digitgrass

    sensitive plant

    hilograss

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    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

    1

    —

    —

    98

    —

    315

    —

    —

    —

    22.8

    24.4

    20.6

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    Ap1—0 to 28 centimeters (0.0 to 11.0 inches); brown (10YR 4/3), yellowish brown (10YR 5/4), dry; silty clay; strong very fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; 21.0 very fine and fine pores; fragments; extremely acid, pH 4.2, hellige-truog; clear smooth boundary. Lab sample # 40A42231
    Ap2—28 to 35 centimeters (11.0 to 13.8 inches); brown (10YR 4/3), dark reddish brown (2.5YR 3/4) and yellowish brown (10YR 5/4) and dark reddish brown (2.5YR 3/4), dry; silty clay; moderate very fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; 21.0 very fine and fine pores; fragments; moderately acid, pH 5.6, hellige-truog; abrupt wavy boundary. Lab sample # 40A42232
    B21—35 to 70 centimeters (13.8 to 27.6 inches); dark reddish brown (2.5YR 3/4), dark red (2.5YR 3/6), dry; silty clay loam; moderate very fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 fine roots; 21.0 very fine and fine pores; fragments; strongly acid, pH 5.3, hellige-truog; abrupt smooth boundary. Lab sample # 40A42233
    B22—70 to 83 centimeters (27.6 to 32.7 inches); dark reddish brown (2.5YR 3/4), dark red (2.5YR 3/6), dry; silty clay; moderate very fine subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; 21.0 very fine and fine pores; fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # 40A42234
    B23—83 to 108 centimeters (32.7 to 42.5 inches); dark red (2.5YR 3/6), yellowish red (5YR 5/6), dry; silty clay; moderate fine and medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; 21.0 very fine and fine pores; fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # 40A42235
    B24—108 to 155 centimeters (42.5 to 61.0 inches); dark red (2.5YR 3/6) and yellowish red (5YR 4/6) and reddish yellow (7.5YR 6/8) and very dusky red (2.5YR 2/2), yellowish red (5YR 4/6), dry; silty clay; weak medium and coarse subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.5 roots; 0.5 very fine and fine pores; fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # 40A42236