IDENTIFIERS

  • Current Taxon Name (Soil Name): Kulani
  • OSD
  • Series Extent
  • User Site ID: S2018HI001010
  • User Pedon ID: S2018HI001010
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 18N2291
  • User Project ID: PUUM_020_NEON
  • Project Name: Pu'u Maka'ala Natural Area Reserve
  • Print Date: 12/6/2025

    • 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: 19.5647300
  • Std. Longitude: -155.3138100
  • Datum: WGS84
  • Map Unit: 616—Kahaluu highly decomposed plant material, 3 to 10 percent slopes
  • Country: US—United States
  • State: Hawaii
  • County: HI001—Hawaii
  • MLRA: 162—Humid and Very Humid Organic Soils on Lava Flows
  • Non-MLRA Soil Survey Area: HI801—Island of Hawaii Area, Hawaii
  • 7.5 Minute USGS Quad: THI0092—Kulani, Hawaii

    • PEDON

  • Describers Name: Jacqueline Vega
  • Current Taxonomic Class: Medial, ferrihydritic, isomesic Typic Placudands
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Kulani
  • PSC - 0 to 100 cm.
  • Classificaton Date - 11/8/2018
  • Classifier - Jacqueline Vega
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Kulani
  • Taxonomic Class - Hydrous, ferrihydritic, isomesic Typic Placudands
  • Taxon Kind - series
  • PSC - 0 to 100 cm.
  • Classificaton Date - 6/28/2018
  • Classifier - Jacqueline Vega
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: basic volcanic ash over aa lava
  • Landscape: MAUNA LOA shield volcano
  • Landform: ash field on lava flow
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 1.00 percent nonflat subangular very strongly coherent cemented 250- to 1000-millimeter aa lava, 1.00 percent nonflat subangular very strongly coherent cemented 75- to 250-millimeter aa lava,
  • Benchmark Soil?: no
  • RaCA Information:
  • RaCA Site ID - PUUM_010
  • DSP Plot ID - SW
  • Plot Baseline Azimuth - 244
  • Plot Baseline Length - 4
  • Plot Width - 20
  • Plot/Site Set Up By - CENTER OF PIT
  • Plot or Site Recorder - JACQUELINE VEGA

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/19/2018 (actual site observation date)
  • Data Collector: JACQUELINE VEGA, NANEA BABILA
  • 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
  • Kind of Land: nongrazable woodland understory
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    hemic soil materials

    sapric soil materials

    cambic horizon

    umbric epipedon

    andic soil properties

    0—2

    2—13

    13—30

    13—26

    13—30

    —2—

    —11—

    —17—

    —13—

    —17—
    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

    5

    —

    —

    1682.4

    —

    2565

    —

    365

    14.1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oe—0 to 2 centimeters (0.0 to 0.8 inches); black (7.5YR 2.5/1) moderately decomposed plant material; nonsticky, nonplastic; many very fine roots and many fine roots; fragments; clear smooth boundary.; moist when described; observed in auger, bucket
    Oa—2 to 13 centimeters (0.8 to 5.1 inches); very dark brown (7.5YR 2.5/2) highly organic medial silt loam; 15 percent clay; moderate fine granular structure; very friable, slightly sticky, slightly plastic; weakly smeary; common very fine roots and few medium roots and common fine roots; fragments; gradual wavy boundary. Lab sample # 18N05227; moist when described; observed in auger, bucket
    A—13 to 26 centimeters (5.1 to 10.2 inches); 80 percent very dark brown (7.5YR 2.5/2) and 20 percent 5YR 3/6 (5YR 3/6) cobbly medial silt loam; 15 percent clay; moderate fine subangular blocky structure; very friable, slightly sticky, slightly plastic; weakly smeary; few very fine roots and many very fine roots and many fine roots and few fine roots and ; 10 percent by volume nonflat subangular very strongly coherent cemented 2-40-75 millimeter aa lava fragments and 15 percent by volume nonflat subangular very strongly coherent cemented 75-150-250 millimeter aa lava fragments; gradual wavy boundary. Lab sample # 18N05228; moist when described; observed in auger, bucket
    Bw/2C—26 to 30 centimeters (10.2 to 11.8 inches); 80 percent very dark brown (7.5YR 2.5/2) and 20 percent 5YR 3/6 (5YR 3/6) very cobbly medial loam; 25 percent clay; moderate fine subangular blocky structure; friable, slightly sticky, slightly plastic; weakly smeary; 10 percent by volume nonflat subangular very strongly coherent cemented 2-40-75 millimeter aa lava fragments and 25 percent by volume nonflat subangular very strongly coherent cemented 75-150-250 millimeter aa lava fragments. Lab sample # 18N05229; moist when described; observed in auger, bucket