IDENTIFIERS

  • Current Taxon Name (Soil Name): Alapai
  • OSD
  • Series Extent
  • User Site ID: S2002HI602001
  • User Pedon ID: S2002HI001003
  • Vegetation Plot ID: S2002HI602001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 02N0635
  • NCSS Pedon Lab Data NASIS Record ID - 15286
  • Print Date: 12/4/2024

    • 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: 19.0897312
  • Std. Longitude: -155.6022339
  • Datum: WGS84
  • Location Description: From Naalehu, drive north on Kaalaiki Rd. for 1.9 miles, turn west and drive 2.1 miles to elevation 640 meters (2,100 feet), continue straight through intersection for about 504 meters (1654 feet). Pedon is located 50 meters (164 feet) west of road at an elevation of 677 meters (2220 feet). Naalehu Quadrangle
  • State: Hawaii
  • County: HI001—Hawaii
  • MLRA: 159A—Humid and Very Humid Volcanic Ash Soils on Low and Intermediate Rolling Mountain Slopes

    • PEDON

  • Describers Name: M. Kolman
  • Current Taxonomic Class: Hydrous, 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: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Alapai
  • Classificaton Date - 2/11/2009
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Alapai
  • Classificaton Date - 6/27/2002
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: basic volcanic ash
  • Landform: lava flow on shield volcano
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/27/2002 (entry creation date)
  • Air Photo ID: 12-8
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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

    ANVI2

    DESMO

    PACO14

    Andropogon virginicus

    Desmodium

    Paspalum conjugatum

    broomsedge bluestem

    ticktrefoil

    hilograss

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

    andic soil properties

    umbric epipedon

    cambic horizon

    0—127

    0—43

    43—127

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    —-

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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

    0

    76

    —

    677

    —

    170

    2000

    —

    365

    18

    21

    16

    19

    20

    16

    —

    —

    —

    —

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    Ap1—0 to 15 centimeters (0.0 to 5.9 inches); dark brown (7.5YR 3/2) medial loam; weak very coarse platy parts to weak coarse subangular blocky structure; friable, slightly sticky, slightly plastic; weakly smeary; moderate permeability; 4.0 very fine and fine roots; 0.8 fine interstitial pores; 10 percent by volume nonflat subrounded very weakly coherent cemented 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, lamotte-morgan; clear broken boundary. Lab sample # 02N03197; moist when described; observed in pit, small
    Ap2—15 to 20 centimeters (5.9 to 7.9 inches); dark brown (7.5YR 3/3) very paragravelly hydrous silty clay loam; moderate fine subangular blocky structure; very friable, slightly sticky, moderately plastic; moderately smeary; moderate permeability; 4.0 very fine and fine roots; 0.8 fine interstitial pores; 50 percent by volume nonflat subrounded very weakly coherent cemented 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, lamotte-morgan; abrupt broken boundary.; moist when described; observed in pit, small
    Bw1—20 to 43 centimeters (7.9 to 16.9 inches); dark brown (7.5YR 3/3) hydrous silty clay loam; moderate medium subangular blocky structure; very friable, slightly sticky, very plastic; moderately smeary; moderate permeability; 0.8 very fine roots; 0.8 fine tubular pores; fragments; strongly acid, pH 5.4, lamotte-morgan; gradual smooth boundary. Lab sample # 02N03198; moist when described; observed in pit, small
    Bw2—43 to 66 centimeters (16.9 to 26.0 inches); 60 percent dark brown (7.5YR 3/4) and 40 percent dark reddish brown (2.5YR 3/4) hydrous silty clay loam; weak fine subangular blocky structure; very friable, slightly sticky, moderately plastic; moderately smeary; moderately rapid permeability; 4.0 very fine roots; 10.0 fine tubular pores; fragments; very strongly acid, pH 5.0, lamotte-morgan; clear smooth boundary.; moist when described; observed in pit, small
    Bw3—66 to 89 centimeters (26.0 to 35.0 inches); dark brown (7.5YR 3/3) hydrous silty clay loam; weak medium subangular blocky structure; very friable, slightly sticky, moderately plastic; moderately smeary; moderately rapid permeability; 0.8 very fine roots; 4.0 fine tubular pores; 5 percent by volume nonflat subrounded very weakly coherent cemented 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, lamotte-morgan; clear smooth boundary. Lab sample # 02N03199; moist when described; observed in pit, small
    Bw4—89 to 132 centimeters (35.0 to 52.0 inches); 65 percent dark brown (7.5YR 3/4) and 35 percent dark reddish brown (5YR 3/4) hydrous silty clay loam; weak fine subangular blocky structure; very friable, slightly sticky, moderately plastic; moderately smeary; moderately rapid permeability; 0.8 very fine roots; 4.0 very fine tubular pores; 10 percent by volume nonflat subrounded very weakly coherent cemented 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, lamotte-morgan.; moist when described; observed in pit, small