IDENTIFIERS

  • Current Taxon Name (Soil Name): WAIAKEA
  • OSD
  • Series Extent
  • User Site ID: S2006HI001006
  • User Pedon ID: S2006HI001006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 06N0683
  • NCSS Pedon Lab Data NASIS Record ID - 18608
  • Print Date: 1/30/2025
  • 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: 19.5948048
  • Std. Longitude: -155.2307739
  • Datum: WGS84
  • Location Description: From the village of Mountan View, Island of Hawaii, follow Kulani Rd. North approximately 3.75 miles to Stainbeck highway. Turn left, southwest, and proceed 4.2 miles southwest to North Tree Planting Road. Proceed 1.9 miles and park. Type location is approximately 160 feet northeast.
  • State: Hawaii
  • County: HI001—Hawaii
  • MLRA: 159A—Humid and Very Humid Volcanic Ash Soils on Low and Intermediate Rolling Mountain Slopes
  • 7.5 Minute USGS Quad: THI0141—Puu Makaala, Hawaii
  • PEDON

  • Describers Name: Patrick Niemeyer
  • Current Taxonomic Class: Hydrous-skeletal, isothermic Typic Hydrudands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - WAIAKEA
  • Classificaton Date - 4/3/2006
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - perudic
  • Moisture Subclass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: volcanic ash over `a`a lava
  • Drainage Class: moderately well
  • Surface Fragments: 5.00 percent nonflat subangular very strongly coherent cemented aa lava,
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/5/2004 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - tropical
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    andic soil properties

    umbric epipedon

    0—100

    0—50

    —100—

    —50—

    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

    4

    90

    4500

    365

    17

    A—0 to 18 centimeters (0.0 to 7.1 inches); fragments. Lab sample # 06N02876
    A—0 to 18 centimeters (0.0 to 7.1 inches); fragments. Lab sample # 06N02879
    A—0 to 18 centimeters (0.0 to 7.1 inches); fragments. Lab sample # 06N02877
    A—0 to 18 centimeters (0.0 to 7.1 inches); very dark brown (7.5YR 2.5/2) crushed, very dark brown (10YR 2/2) broken face, dry; hydrous loam; 15 percent clay; moderate fine granular structure; soft, very friable, nonsticky, slightly plastic; moderately smeary; 0.5 medium roots throughout and 4.0 fine roots throughout; 4.0 fine dendritic tubular pores; fragments; moderately acid, pH 5.6, chlorophenol red; abrupt smooth boundary. Lab sample # 06N02872; moist when described; observed in pit, small
    A—0 to 18 centimeters (0.0 to 7.1 inches); fragments. Lab sample # 06N02878
    Bw1—18 to 38 centimeters (7.1 to 15.0 inches); very dark brown (7.5YR 2.5/2) crushed, very dark brown (10YR 2/2) broken face, dry; cobbly hydrous silty clay loam; 35 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderately smeary; 0.5 fine roots throughout and 0.5 coarse roots throughout; 0.5 fine dendritic tubular pores; 15 percent by volume nonflat subangular very strongly coherent cemented 75-125-250 millimeter aa lava fragments; moderately acid, pH 5.6, chlorophenol red; abrupt wavy boundary. Lab sample # 06N02873; moist when described; observed in pit, small
    Bw2—38 to 50 centimeters (15.0 to 19.7 inches); dark brown (7.5YR 3/2) crushed, dark brown (7.5YR 3/2) broken face, dry; cobbly hydrous silty clay loam; 35 percent clay; moderate medium subangular blocky structure; very hard, friable, slightly sticky, slightly plastic; strongly smeary; 0.5 fine roots throughout; 0.5 fine dendritic tubular pores; 15 percent by volume nonflat subangular very strongly coherent cemented 75-125-250 millimeter aa lava fragments; moderately acid, pH 5.8, chlorophenol red; abrupt wavy boundary. Lab sample # 06N02874; moist when described; observed in pit, small
    2C1/BW3—50 to 68 centimeters (19.7 to 26.8 inches); dark reddish brown (5YR 3/3) crushed, very dark brown (10YR 2/2) broken face, dry; extremely cobbly hydrous silty clay loam; 35 percent clay; moderate fine subangular blocky structure; very hard, friable, slightly sticky, slightly plastic; strongly smeary; 0.5 fine roots throughout; 0.5 fine dendritic tubular pores; 25 percent by volume nonflat subangular very strongly coherent cemented 75-125-250 millimeter aa lava fragments and 50 percent by volume nonflat subangular very strongly coherent cemented 250-425-600 millimeter aa lava fragments; moderately acid, pH 6.0, chlorophenol red; abrupt wavy boundary. Lab sample # 06N02875; moist when described; observed in pit, small
    2C1/BW4—68 to 100 centimeters (26.8 to 39.4 inches); dark brown (7.5YR 3/3) crushed, very dark brown (10YR 2/2) broken face, dry; extremely cobbly hydrous silty clay loam; 35 percent clay; weak fine subangular blocky structure; very hard, friable, slightly sticky, slightly plastic; strongly smeary; 0.5 fine roots throughout; 0.5 fine dendritic tubular pores; 30 percent by volume nonflat subangular very strongly coherent cemented 75-125-250 millimeter aa lava fragments and 50 percent by volume nonflat subangular very strongly coherent cemented 250-450-600 millimeter aa lava fragments; slightly acid, pH 6.2, chlorophenol red.; moist when described; observed in pit, small