IDENTIFIERS

  • Current Taxon Name (Soil Name): Hatisu
  • OSD
  • Series Extent
  • User Site ID: 99PB646-005
  • User Pedon ID: S99MP090-001s
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 00P0163
  • NCSS Pedon Lab Data NASIS Record ID - 11671
  • Print Date: 2/16/2025

    • 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: 16.3511888
  • Std. Longitude: 145.6352809
  • Datum: WGS84
  • Location Description: Anatahan Island, CNMI, approximately 762 meters east of the village of Apilam on the west side of the island.
  • State: Northern Mariana Islands
  • Non-MLRA Soil Survey Area: PB646—Islands of Agrigan, Alamagan, Anatahan, Pagan, and Sarigan, Commonwealth of the Northern Marianas Islands

    • PEDON

  • Describers Name: Gary Parks, Ken Momroe, Steve Carlisle
  • Current Taxonomic Class: Ashy over pumiceous or cindery, glassy, isohyperthermic Humic Ustivitrands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Hatisu
  • PSC - 25 to 100 cm.
  • Classificaton Date - 11/24/2000
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Hatisu
  • Classificaton Date - 5/1/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: andesitic volcanic ash derived from andesite over cinders derived from andesite
  • Landform: stratovolcano
  • Geomorphic Component Hills: side slope
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: well
  • Flooding: none flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1999 (actual site observation date)
  • Air Photo ID: Anatahan
  • Surface Water Kind: none observed
  • 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
  • Current Weather - rain
  • Current Air Temp - 30
    • 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

    83

    —

    —

    152

    —

    270

    2032

    —

    365

    24.8

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 15 centimeters (0.0 to 5.9 inches); very dark gray (2.5Y 3/1) interior silt loam; weak fine subangular blocky, and weak medium subangular blocky parts to weak fine granular structure; soft, friable, nonsticky, slightly plastic; moderate permeability; low excavation difficulty; 30.0 medium roots throughout; 30.0 medium high-continuity tubular and 30.0 medium high-continuity interstitial and 30.0 fine high-continuity tubular and 30.0 fine high-continuity interstitial pores; fragments; noneffervescent; slightly acid, pH 6.4, bromthymol blue; gradual wavy boundary. Lab sample # 00P1279S; moist when described; observed in pit, small
    A2—15 to 38 centimeters (5.9 to 15.0 inches); very dark grayish brown (2.5Y 3/2) interior silt loam; weak fine subangular blocky, and weak medium subangular blocky parts to weak fine granular structure; soft, friable, nonsticky, slightly plastic; moderate permeability; low excavation difficulty; 15.0 medium roots throughout; 15.0 medium high-continuity tubular and 15.0 medium high-continuity interstitial and 15.0 fine high-continuity tubular and 15.0 fine high-continuity interstitial pores; 5 percent coarse faint platy strongly coherent cemented dark grayish brown (2.5Y 4/2), moist, durinodes with clear boundaries throughout and 5 percent medium faint platy strongly coherent cemented dark grayish brown (2.5Y 4/2), moist, durinodes with clear boundaries throughout; 10 percent by volume flat angular moderately coherent cemented 5-20-75 millimeter tuff, unspecified fragments; noneffervescent; neutral, pH 6.6, bromthymol blue; gradual wavy boundary. Lab sample # 00P1280S; moist when described; observed in pit, small
    Bw1—38 to 56 centimeters (15.0 to 22.0 inches); dark gray (2.5Y 4/1) interior silt loam; weak fine subangular blocky, and weak medium subangular blocky structure; soft, friable, nonsticky, slightly plastic; moderate permeability; low excavation difficulty; 4.0 medium roots throughout and 4.0 fine roots throughout; 10.0 medium moderate-continuity interstitial and 10.0 medium moderate-continuity tubular and 10.0 fine moderate-continuity interstitial and 10.0 fine moderate-continuity tubular pores; 5 percent by volume nonflat very angular very strongly coherent cemented 2-15-30 millimeter cinders fragments; noneffervescent; neutral, pH 6.6, bromthymol blue; gradual wavy boundary. Lab sample # 00P1281S; moist when described; observed in pit, small
    Bw2—56 to 94 centimeters (22.0 to 37.0 inches); dark grayish brown (2.5Y 4/2) interior gravelly loam; weak fine subangular blocky structure; soft, friable, nonsticky, nonplastic; moderate permeability; low excavation difficulty; 4.0 very fine roots throughout and 4.0 fine roots throughout; 5.0 medium moderate-continuity interstitial and 5.0 medium moderate-continuity tubular and 5.0 fine moderate-continuity interstitial and 5.0 fine moderate-continuity tubular pores; 25 percent by volume nonflat very angular very strongly coherent cemented 2-10-20 millimeter cinders fragments; noneffervescent; neutral, pH 6.8, bromthymol blue; clear wavy boundary. Lab sample # 00P1282S; moist when described; observed in pit, small
    2C—94 to 99 centimeters (37.0 to 39.0 inches); dark gray (2.5Y 4/1) interior very gravelly sand; structureless single grain; loose, loose, nonsticky, nonplastic; rapid permeability; low excavation difficulty; 40 percent by volume nonflat very angular indurated 2-45-75 millimeter cinders fragments; noneffervescent; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # 00P1283S; moist when described; observed in pit, small
    3C—99 to 150 centimeters (39.0 to 59.1 inches); 60 percent very pale brown (10YR 7/3) interior and 40 percent dark gray (10YR 4/1) interior extremely gravelly sandy loam; weak fine subangular blocky, and weak medium subangular blocky structure; soft, friable, nonsticky, nonplastic; rapid permeability; low excavation difficulty; 60 percent by volume nonflat very angular very strongly coherent cemented 2-50-75 millimeter cinders fragments; noneffervescent; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # 00P1284S; moist when described; observed in pit, small
    4C—150 to 170 centimeters (59.1 to 66.9 inches); 70 percent light olive brown (2.5Y 5/3) interior and 30 percent dark grayish brown (2.5Y 4/2) interior very gravelly coarse sand; structureless single grain; loose, loose, nonsticky, nonplastic; rapid permeability; low excavation difficulty; 50 percent by volume nonflat very angular very strongly coherent cemented 2-50-75 millimeter cinders fragments; noneffervescent; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # 00P1285S; moist when described; observed in pit, small
    5C—170 to 203 centimeters (66.9 to 79.9 inches); grayish brown (2.5Y 5/2) interior extremely gravelly loam; structureless massive; soft, friable, nonsticky, nonplastic; rapid permeability; low excavation difficulty; 70 percent by volume nonflat very angular very strongly coherent cemented 2-50-75 millimeter cinders fragments; noneffervescent; neutral, pH 6.6, bromthymol blue.; moist when described; observed in pit, small