IDENTIFIERS

  • Current Taxon Name (Soil Name): Alapai
  • OSD
  • Series Extent
  • User Site ID: S2002HI602216
  • User Pedon ID: S2002HI001001
  • Vegetation Plot ID: S2002HI602216
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 02N0633
  • NCSS Pedon Lab Data NASIS Record ID - 15284
  • 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: In eucalyptus plantation mauka of Pahala town
  • State: Hawaii
  • County: HI001—Hawaii
  • MLRA: 159A—Humid and Very Humid Volcanic Ash Soils on Low and Intermediate Rolling Mountain Slopes

    • PEDON

  • Describers Name: C.J.
  • Current Taxonomic Class: Hydrous, ferrihydritic, isothermic Typic Hydrudands
  • Current Taxon Kind: series
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Alapai
  • Taxonomic Class - Hydrous, ferrihydritic, isothermic Typic Hydrudands
  • Classificaton Date - 6/20/2002
  • Soil Taxonomic Edition - eighth edition
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: pahoehoe lava flow
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Bedrock: very strongly coherent pahoehoe lava at 165cm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/20/2002 (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

    EUCAL

    Eucalyptus

    gum

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    very strongly coherent

    175 -

    —
    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

    —

    —

    684

    —

    195

    2000

    —

    —

    17

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 18 centimeters (0.0 to 7.1 inches); very dark brown (10YR 2/2) exterior hydrous silty clay loam; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; moderately smeary; fragments; very strongly acid, pH 5.0; abrupt broken boundary. Lab sample # 02N03191; observed in pit, small
    Ap2—18 to 23 centimeters (7.1 to 9.1 inches); 40 percent dark reddish brown (5YR 3/4) exterior and 30 percent very dark brown (10YR 2/2) exterior and 30 percent dark olive brown (2.5Y 3/3) exterior hydrous silty clay loam; weak fine subangular blocky structure; friable, slightly sticky, slightly plastic; moderately smeary; fragments; very strongly acid, pH 5.0; abrupt smooth boundary.; observed in pit, small
    Bw1—23 to 43 centimeters (9.1 to 16.9 inches); dark reddish brown (5YR 3/4) exterior hydrous silty clay loam; weak fine subangular blocky structure; friable, slightly sticky, slightly plastic; moderately smeary; fragments; very strongly acid, pH 5.0; abrupt smooth boundary. Lab sample # 02N03192; observed in pit, small
    Bw2—43 to 48 centimeters (16.9 to 18.9 inches); reddish brown (5YR 4/4) exterior hydrous silty clay loam; weak coarse subangular blocky structure; friable, slightly sticky, slightly plastic; moderately smeary; 30 percent by volume subangular weakly coherent cemented 2-?-750 millimeter tuff, welded fragments; moderately acid, pH 6.0; abrupt smooth boundary.; observed in pit, small
    Bw3—48 to 58 centimeters (18.9 to 22.8 inches); dark brown (7.5YR 3/4) exterior hydrous silty clay loam; weak fine subangular blocky structure; friable, moderately sticky, slightly plastic; strongly smeary; fragments; moderately acid, pH 6.0; abrupt smooth boundary.; observed in pit, small
    Bw4—58 to 66 centimeters (22.8 to 26.0 inches); dark reddish brown (5YR 3/4) exterior hydrous silty clay loam; moderate fine subangular blocky structure; friable, slightly sticky, slightly plastic; strongly smeary; fragments; moderately acid, pH 6.0; abrupt smooth boundary.; observed in pit, small
    Bw5—66 to 109 centimeters (26.0 to 42.9 inches); very dark brown (7.5YR 2.5/3) exterior hydrous silty clay loam; moderate fine subangular blocky structure; very friable, slightly sticky, slightly plastic; strongly smeary; fragments; moderately acid, pH 6.0; abrupt smooth boundary. Lab sample # 02N03193; observed in pit, small
    Bw6—109 to 165 centimeters (42.9 to 65.0 inches); very dark brown (7.5YR 2.5/3) exterior hydrous silty clay loam; moderate fine subangular blocky structure; very friable, slightly sticky, slightly plastic; strongly smeary; 20 percent by volume subangular weakly coherent cemented 2-?-750 millimeter tuff, welded fragments; moderately acid, pH 6.0; abrupt smooth boundary.; observed in pit, small
    2R—165 centimeters (65.0 inches); fragments.