IDENTIFIERS

  • Current Taxon Name (Soil Name): Honuaulu
  • OSD
  • Series Extent
  • User Site ID: S2000HI001010
  • User Pedon ID: S2000HI001010
  • Vegetation Plot ID: S2000HI001010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 00P0811
  • NCSS Pedon Lab Data NASIS Record ID - 12309
  • Print Date: 4/25/2025

    • 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: 19.5416660
  • Std. Longitude: -155.9183044
  • Datum: WGS84
  • Location Description: Alan Wall Ranch; drive mauka on 4WD road for 0.9 miles; pedon is located 50 feet south of 4WD road.
  • State: Hawaii
  • County: HI001—Hawaii
  • 7.5 Minute USGS Quad: THI0073—Kealakekua, Hawaii

    • PEDON

  • Describers Name: Bob Gavenda, Oliver Chadwick, Mike Kolman
  • Current Taxonomic Class: Hydrous-skeletal, ferrihydritic, isothermic Typic Hydrudands
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Sampled As Information:
  • Soil Name - Honuaulu
  • Taxonomic Class - Hydrous-skeletal, ferrihydritic, isothermic Typic Hydrudands
  • PSC - 0 to 75 cm.
  • Classificaton Date - 3/22/2000
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: lava plain
  • Anthropogenic Feature: leveled land
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: aa lava
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/22/2000 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

    CRIL2

    Crossopetalum ilicifolium

    Christmasberry

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    umbric epipedon

    andic soil properties

    calcic horizon

    lithic contact

    0—44

    0—75

    44—75

    75—0

    —-

    —-

    —-

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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

    9

    —

    —

    585

    —

    220

    1780

    —

    —

    19

    —

    —

    —

    —

    —

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    A1—0 to 16 centimeters (0.0 to 6.3 inches); very dark grayish brown (10YR 3/2) gravelly silty clay loam; strong fine and medium granular, and strong very fine subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 21.0 very fine and fine roots and 0.5 coarse roots; 3.0 very fine tubular and 21.0 very fine interstitial pores; 5 percent by volume subangular 75-162-250 millimeter aa lava fragments and 10 percent by volume subrounded 2-39-75 millimeter aa lava fragments; abrupt wavy boundary. Lab sample # 00P05044. (10 to 18cm)
    A2—16 to 24 centimeters (6.3 to 9.4 inches); very dark grayish brown (10YR 3/2) gravelly silty clay loam; strong fine and medium granular structure; slightly hard, friable, slightly sticky, moderately plastic; 3.0 very fine and fine roots and 0.5 medium and coarse roots; 21.0 very fine and fine interstitial pores; 10 percent by volume subrounded 2-39-75 millimeter aa lava fragments and 10 percent by volume subangular 75-162-250 millimeter aa lava fragments; abrupt wavy boundary. Lab sample # 00P05045. (8 to 15cm)
    Bw1/2C1—24 to 44 centimeters (9.4 to 17.3 inches); very dark brown (10YR 2/2), dark yellowish brown (10YR 3/4), dry; very gravelly silty clay loam; weak medium and coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots and 0.5 medium roots; 21.0 very fine and fine tubular pores; 5 percent by volume subangular 250-425-600 millimeter aa lava fragments and 10 percent by volume subangular 75-162-250 millimeter aa lava fragments and 20 percent by volume subrounded 2-39-75 millimeter aa lava fragments; clear wavy boundary. Lab sample # 00P05046. (15 to 27cm)
    Bw2/2C2—44 to 75 centimeters (17.3 to 29.5 inches); dark brown (10YR 3/3), dark yellowish brown (10YR 4/6), dry; very cobbly silty clay loam; weak medium and coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots and 0.5 medium roots; 21.0 very fine and fine tubular pores; 10 percent by volume subrounded 2-39-75 millimeter aa lava fragments and 20 percent by volume subangular 75-162-250 millimeter aa lava fragments and 20 percent by volume subangular 250-425-600 millimeter aa lava fragments; abrupt wavy boundary. Lab sample # 00P05047. (25 to 37cm)
    2R—75 centimeters (29.5 inches); fragments. hard 'a'a bluerock.