IDENTIFIERS

  • Current Taxon Name (Soil Name): Palau
  • OSD
  • Series Extent
  • User Site ID: S06PW212001
  • User Pedon ID: S06PW212001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 07N0084
  • NCSS Pedon Lab Data NASIS Record ID - 19145
  • Print Date: 11/21/2024
  • 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: 7.4908056
  • Std. Longitude: 134.6236667
  • Datum: WGS84
  • Country: PS—Palau
  • State: Palau
  • MLRA: 193—Volcanic Islands of Western Micronesia
  • Regional Office: SW—Southwest
  • Non-MLRA Soil Survey Area: PB935—Islands of Palau, Republic of Palau
  • PEDON

  • Describers Name: Bob Gavenda & Jason Nemecek
  • Current Taxonomic Class: Very-fine, halloysitic, isohyperthermic Typic Haploperox
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Palau
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/30/2007
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - perudic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Palau
  • Classificaton Date - 10/19/2006
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: saprolite derived from basalt over andesite over tuff breccia over bedded tuff
  • Landscape: island, upland
  • Landform: hill
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/19/2006 (entry creation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - tropical
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    oxic horizon

    0—18

    4—238

    —18—

    —234—

    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

    3

    40

    90

    3685

    365

    27

    A—0 to 4 centimeters (0.0 to 1.6 inches); 50 percent dark brown (7.5YR 3/3) broken face and 50 percent dark brown (7.5YR 3/4) broken face silty clay loam; 10 percent sand; 56 percent silt; 34 percent clay; moderate fine subangular blocky structure; firm, moderately sticky, moderately plastic; Ksat of 105 um/s; rapid permeability; 10.0 very fine roots throughout and 1.0 medium roots throughout and 5.0 fine roots throughout; 5.0 very fine low-continuity interstitial and 5.0 very fine low-continuity tubular and 5.0 very fine low-continuity dendritic tubular and 5.0 fine low-continuity tubular and 5.0 fine low-continuity interstitial and 5.0 fine low-continuity dendritic tubular pores; 2 percent by volume nonflat rounded weakly coherent cemented 2-3-4 millimeter charcoal fragments; abrupt wavy boundary. Lab sample # 07N00531; moist when described; observed in cut
    Bo1—4 to 24 centimeters (1.6 to 9.4 inches); 95 percent red (2.5YR 4/6) broken face and 5 percent strong brown (7.5YR 5/8) broken face clay; 20 percent sand; 20 percent silt; 60 percent clay; moderate coarse prismatic parts to moderate coarse subangular blocky structure; extremely firm, moderately sticky, very plastic; Ksat of 1.37 um/s; slow permeability; 3.0 very fine roots between peds and 1.0 medium roots between peds and 1.0 fine roots between peds; 3.0 very fine low-continuity dendritic tubular pores; 5 percent distinct brown (10YR 4/3), moist, organoargillans on all faces of peds and 5 percent distinct dark reddish gray (10R 3/1), moist, organic stains on all faces of peds and 70 percent distinct reddish brown (5YR 4/4), moist, pressure faces on all faces of peds; 1 percent fine distinct irregular noncoherent cemented yellowish red (5YR 5/8), moist, masses of oxidized iron with sharp boundaries on surfaces along root channels and 2 percent fine distinct irregular extremely weakly coherent cemented very dark grayish brown (10YR 3/2), moist, manganese masses with sharp boundaries throughout; 1 percent by volume nonflat rounded weakly coherent cemented 2-3-4 millimeter charcoal fragments; abrupt wavy boundary. Lab sample # 07N00532; moist when described; observed in cut. patchy - phpvsfiid 339213; patchy - phpvsfiid 339214; patchy - phpvsfiid 339215; patchy - phpvsfiid 339213; patchy - phpvsfiid 339214; patchy - phpvsfiid 339215
    Bo2—24 to 47 centimeters (9.4 to 18.5 inches); red (2.5YR 4/6) broken face clay; 20 percent sand; 20 percent silt; 60 percent clay; weak coarse prismatic parts to moderate medium subangular blocky structure; very firm, moderately sticky, very plastic; Ksat of 1.37 um/s; slow permeability; 5.0 very fine roots between peds and 0.5 medium roots between peds and 1.0 fine roots between peds; 5.0 very fine low-continuity dendritic tubular pores; 5 percent distinct reddish brown (5YR 4/4), moist, clay films on surfaces along root channels and 90 percent distinct reddish brown (5YR 4/4), moist, pressure faces on all faces of peds; 5 percent fine distinct irregular extremely weakly coherent cemented very dark gray (10YR 3/1), moist, manganese masses with sharp boundaries throughout; 1 percent by volume nonflat rounded weakly coherent cemented 2-3-4 millimeter charcoal fragments; clear wavy boundary. Lab sample # 07N00533; moist when described; observed in cut. continuous - phpvsfiid 339216; patchy - phpvsfiid 339217; continuous - phpvsfiid 339216; patchy - phpvsfiid 339217
    Bo3—47 to 68 centimeters (18.5 to 26.8 inches); reddish brown (2.5YR 4/4) broken face clay; 20 percent sand; 20 percent silt; 60 percent clay; moderate coarse prismatic parts to strong coarse subangular blocky structure; very firm, moderately sticky, very plastic; Ksat of 1.37 um/s; slow permeability; 2.0 very fine roots between peds and 0.5 medium roots between peds and 1.0 fine roots between peds; 5.0 very fine low-continuity dendritic tubular pores; 5 percent distinct clay films on surfaces along root channels and 90 percent distinct reddish brown (5YR 4/4), moist, pressure faces on all faces of peds; 5 percent fine distinct irregular extremely weakly coherent cemented very dark gray (10YR 3/1), moist, manganese masses with sharp boundaries throughout; 1 percent by volume nonflat rounded weakly coherent cemented 2-3-4 millimeter charcoal fragments; clear wavy boundary. Lab sample # 07N00534; moist when described; observed in cut. continuous - phpvsfiid 339218; patchy - phpvsfiid 339219; continuous - phpvsfiid 339218; patchy - phpvsfiid 339219
    Bo4—68 to 150 centimeters (26.8 to 59.1 inches); 75 percent reddish brown (2.5YR 4/4) broken face and 25 percent yellowish red (5YR 4/6) broken face clay; 20 percent sand; 20 percent silt; 60 percent clay; moderate coarse subangular blocky parts to strong coarse subangular blocky structure; very firm, moderately sticky, very plastic; Ksat of 1.37 um/s; slow permeability; 1.0 very fine roots between peds and 0.5 medium roots between peds and 1.0 fine roots between peds; 5.0 very fine low-continuity dendritic tubular pores; 5 percent distinct reddish brown (5YR 4/4), moist, clay films on surfaces along root channels and 90 percent distinct reddish brown (5YR 4/4), moist, pressure faces on all faces of peds; 1 percent by volume nonflat subrounded weakly coherent cemented 2-3-4 millimeter charcoal fragments and 2 percent by volume nonflat subrounded weakly coherent cemented 2-39-75 millimeter volcanic, unspecified fragments; clear wavy boundary. Lab sample # 07N00535; moist when described; observed in cut. continuous - phpvsfiid 339212; patchy - phpvsfiid 339220; continuous - phpvsfiid 339212; patchy - phpvsfiid 339220
    Bo5—150 to 238 centimeters (59.1 to 93.7 inches); reddish brown (2.5YR 4/4) broken face clay; 20 percent sand; 20 percent silt; 60 percent clay; moderate coarse subangular blocky, and strong coarse subangular blocky structure; very firm, moderately sticky, very plastic; Ksat of 1.37 um/s; slow permeability; 90 percent distinct reddish brown (5YR 4/4), moist, pressure faces on all faces of peds; fragments. Lab sample # 07N00535; moist when described; observed in cut. continuous - phpvsfiid 339221; continuous - phpvsfiid 339221