IDENTIFIERS

  • Current Taxon Name (Soil Name): PIIHONUA
  • OSD
  • Series Extent
  • User Site ID: S1991HI001011
  • User Pedon ID: 91HI001011
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0262
  • NCSS Pedon Lab Data NASIS Record ID - 64501
  • Print Date: 12/11/2024

    • 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: 19.8413887
  • Std. Longitude: -155.3136139
  • Datum: WGS84
  • Location Description: Island of Hawaii, ENE side of Mauna Kea in Hakalau Nat. Wildlife Refuge. From NW corner of Pedro Parcel, 30 steps N. Pedon sampled is located on SSE facing cut.
  • State: Hawaii
  • County: HI001—Hawaii
  • MLRA: 159—Humid and Very Humid Low and Intermediate Mountain Slopes

    • PEDON

  • Describers Name: C. Smith, P. Malaspina, P. Scowcroft
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 11
  • Correlated Information:
  • Soil Name - PIIHONUA
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Piihonua
  • Taxonomic Class - Typic Hydrudand
  • Taxon Kind - series
  • Classificaton Date - 2/1/1991
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/1/1991 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    umbric epipedon

    andic soil properties

    0—0

    0—0

    —-

    —-
    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

    7

    —

    —

    1661

    —

    180

    2286

    —

    —

    —

    13.3

    10

    —

    17.2

    13.3

    —

    —

    —

    USFS Hakalau 1

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (7.5YR 3/2) mucky* silt loam; weak fine subangular blocky parts to moderate medium granular structure; very friable, slightly sticky, slightly plastic; nonsmeary; 3.0 very fine and fine roots; 0.5 very fine vesicular pores; fragments; very strongly acid, pH 5.0, hellige-truog; abrupt wavy boundary. Lab sample # 92P01725
    Bw1—18 to 33 centimeters (7.1 to 13.0 inches); dark reddish brown (5YR 3/3) and strong brown (7.5YR 5/6) loam; weak very fine subangular blocky parts to moderate fine granular structure; friable, slightly sticky, slightly plastic; weakly smeary; 3.0 very fine and fine roots; 0.5 very fine vesicular pores; fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # 92P01726
    Bw2—33 to 69 centimeters (13.0 to 27.2 inches); 60 percent yellowish red (5YR 4/6) and 40 percent dark brown (7.5YR 3/2) silt loam; moderate fine subangular blocky parts to moderate fine granular structure; friable, slightly sticky, slightly plastic; weakly smeary; 3.0 very fine and fine roots; 3.0 fine tubular pores; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # 92P01727
    C1—69 to 114 centimeters (27.2 to 44.9 inches); strong brown (7.5YR 4/6) and dark brown (7.5YR 3/2) and red (2.5YR 4/6) silt loam; moderate fine and medium subangular blocky structure; firm, slightly sticky, slightly plastic; weakly smeary; 0.5 very fine and fine roots; 21.0 fine tubular pores; fragments; clear smooth boundary. Lab sample # 92P01728
    2C2—114 to 135 centimeters (44.9 to 53.1 inches); dark brown (7.5YR 3/2) and light yellowish brown (10YR 6/4) and red (2.5YR 4/6) coarse sandy loam; massive; very firm, weakly cemented, slightly sticky, nonplastic; nonsmeary; 0.5 very fine and fine roots; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 92P01729
    3Btb—135 to 160 centimeters (53.1 to 63.0 inches); dark red (2.5YR 3/6) and dark brown (7.5YR 3/2) silt loam; moderate medium and coarse subangular blocky structure; firm, slightly sticky, slightly plastic; 0.5 very fine and fine roots; 21.0 very fine and fine tubular pores; fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # 92P01730