IDENTIFIERS

  • Current Taxon Name (Soil Name): Dekairu
  • OSD
  • Series Extent
  • User Site ID: 99PB646-004
  • User Pedon ID: S99MP090-081
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 00P0164
  • NCSS Pedon Lab Data NASIS Record ID - 11672
  • 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: 18.1189389
  • Std. Longitude: 145.7605806
  • Datum: WGS84
  • 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: Steve Carlisle, Gary Parks, Ken Monroe
  • Current Taxonomic Class: Ashy, amorphic, superactive, isohyperthermic Humic Ustivitrands
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Dekairu
  • PSC - 0 to 69 cm.
  • Classificaton Date - 1/21/2012
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Dekairu
  • Classificaton Date - 6/4/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: volcanic ash and/or cinders derived from andesite
  • Landscape: island
  • Landform: erosion remnant on caldera on stratovolcano
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent tuff, welded at 69cm
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/4/1999 (actual site observation date)
  • Air Photo ID: Pagan
  • 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 - partly cloudy
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    very strongly coherent

    69 - 97

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    andic soil properties

    mollic epipedon

    paralithic contact

    0—69

    0—56

    69—97

    —-

    —-

    —-

    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

    30

    97

    270

    2040

    365

    25

    A—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (2.5Y 3/2), dark grayish brown (2.5Y 4/2), dry; ashy fine sandy loam; weak fine subangular blocky parts to weak medium subangular blocky structure; soft, friable, nonsticky, nonplastic; 12 percent by volume nonflat subangular very strongly coherent cemented 2-10-20 millimeter cinders fragments; noneffervescent; slightly acid, pH 6.5; abrupt wavy boundary. Lab sample # 00P1287; observed in pit, small
    2AC—5 to 10 centimeters (2.0 to 3.9 inches); very dark grayish brown (2.5Y 3/2) extremely gravelly ashy fine sandy loam; structureless massive; loose, loose, nonsticky, nonplastic; 57 percent by volume nonflat subangular very strongly coherent cemented 2-20-75 millimeter cinders fragments; noneffervescent; neutral, pH 7.0; abrupt wavy boundary. Lab sample # 00P1288; observed in pit, small
    3Ab—10 to 23 centimeters (3.9 to 9.1 inches); very dark grayish brown (2.5Y 3/2) gravelly ashy loam; weak fine subangular blocky structure; soft, friable, nonsticky, nonplastic; weakly smeary; 17 percent by volume nonflat subangular very strongly coherent cemented 2-5-75 millimeter cinders fragments; noneffervescent; neutral, pH 7.0; clear wavy boundary. Lab sample # 00P1289; observed in pit, small
    4Ab—23 to 38 centimeters (9.1 to 15.0 inches); very dark brown (10YR 2/2) ashy loam; weak fine subangular blocky structure; soft, friable, nonsticky, nonplastic; moderately smeary; 20 percent fine spherical very weakly coherent cemented in matrix; 13 percent by volume subangular very strongly coherent cemented 2-20-75 millimeter cinders fragments and 20 percent by volume rounded very weakly coherent cemented 2-20-20 millimeter tuff, unspecified fragments; noneffervescent; slightly alkaline, pH 7.6; abrupt wavy boundary. Lab sample # 00P1290; observed in pit, small
    5Bw—38 to 56 centimeters (15.0 to 22.0 inches); brown (10YR 4/3) ashy loamy fine sand; weak fine subangular blocky parts to weak medium subangular blocky structure; soft, friable, nonsticky, nonplastic; weakly smeary; 25 percent medium irregular very weakly coherent cemented in matrix; 25 percent by volume angular very weakly coherent cemented 2-20-20 millimeter tuff, unspecified fragments; noneffervescent; neutral, pH 7.0; clear wavy boundary. Lab sample # 00P1291; observed in pit, small
    5BC—56 to 69 centimeters (22.0 to 27.2 inches); olive brown (2.5Y 4/3), light olive brown (2.5Y 5/3), dry; ashy loamy fine sand; weak fine subangular blocky parts to weak medium subangular blocky structure; soft, friable, nonsticky, nonplastic; 1 percent by volume nonflat subangular very strongly coherent cemented 2-5-5 millimeter cinders fragments; noneffervescent; slightly acid, pH 6.2; abrupt irregular boundary. Lab sample # 00P1292; observed in pit, small
    6Cr—69 to 97 centimeters (27.2 to 38.2 inches); dark grayish brown (2.5Y 4/2) ashy bedrock; structureless massive; nonsticky, nonplastic; fragments; noneffervescent. Lab sample # 00P1293; observed in pit, small