IDENTIFIERS

  • Current Taxon Name (Soil Name): Pachneum
  • OSD
  • Series Extent
  • User Site ID: S1992WA037003
  • User Pedon ID: S1992WA037003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0383
  • NCSS Pedon Lab Data NASIS Record ID - 64622
  • 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: 46.9933319
  • Std. Longitude: -120.6872253
  • Datum: WGS84
  • Township: 17N
  • Range: 17E
  • Section: 3
  • PLSS Details: 2900 feet N, and 100 feet W of SE corner
  • State: Washington
  • County: WA037—Kittitas
  • MLRA: 44—Northern Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: WA637—Kittitas County Area, Washington

    • PEDON

  • Describers Name: Barbara J. Gordon
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Pachic Haploxerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Pachneum
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - Pachneum
  • Taxonomic Class - Fine-silty, mixed, mesic Pachic Argixeroll
  • Taxon Kind - series
  • Classificaton Date - 12/2/1991
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: river valley
  • Landform: alluvial fan
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: toeslope
  • Slope Shape Across: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/2/1991 (actual site observation date)
  • Air Photo ID: 43715
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    mollic epipedon

    argillic horizon

    0—152

    66—152

    —-

    —-
    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

    6

    —

    —

    683

    —

    360

    —

    —

    9

    21

    4

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; silt loam; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 21.0 very fine roots throughout; 5.0 very fine pores; fragments, by hcl, 1n; neutral, pH 6.6, bromthymol blue; abrupt smooth boundary.
    Ap2—10 to 20 centimeters (3.9 to 7.9 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; silt loam; weak coarse prismatic, and weak medium prismatic structure; soft, very friable, slightly sticky, slightly plastic; 5.0 very fine roots throughout; 5.0 very fine pores; fragments, by hcl, 1n; neutral, pH 6.6, bromthymol blue; abrupt smooth boundary.
    A—20 to 46 centimeters (7.9 to 18.1 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; silt loam; moderate medium prismatic structure; slightly hard, friable, slightly sticky, slightly plastic; 5.0 very fine roots throughout; 5.0 very fine and 1.0 coarse pores; fragments, by hcl, 1n; neutral, pH 6.9, bromthymol blue; clear wavy boundary. Lab sample # 92P02357
    BA—46 to 66 centimeters (18.1 to 26.0 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; silt loam; moderate medium prismatic structure; slightly hard, very friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout; 5.0 very fine and 1.0 coarse pores; fragments, by hcl, 1n; neutral, pH 6.9, bromthymol blue; clear wavy boundary. Lab sample # 92P02358
    Bt1—66 to 84 centimeters (26.0 to 33.1 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2), moist; silty clay loam; moderate medium prismatic structure; slightly hard, friable, moderately sticky, moderately plastic; 1.0 very fine roots throughout; 5.0 fine and 1.0 coarse pores; yellowish brown (10YR 5/4) clay films on faces of peds; fragments, by hcl, 1n; neutral, pH 7.3, bromthymol blue; clear wavy boundary. Lab sample # 92P02359. patchy - phpvsfiid 173650; patchy - phpvsfiid 173650
    Bt2—84 to 119 centimeters (33.1 to 46.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; silty clay loam; moderate medium prismatic structure; slightly hard, very friable, slightly sticky, moderately plastic; 1.0 very fine roots throughout; 5.0 fine and 1.0 coarse pores; yellowish brown (10YR 5/4) clay films on faces of peds; fragments, by hcl, 1n; slightly alkaline, pH 7.4, bromthymol blue; clear wavy boundary. continuous - phpvsfiid 173651; continuous - phpvsfiid 173651
    Bt3—119 to 152 centimeters (46.9 to 59.8 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; silty clay loam; moderate medium prismatic structure; slightly hard, very friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout; 5.0 fine and 1.0 coarse pores; yellowish brown (10YR 5/4) clay films on faces of peds; fragments, by hcl, 1n. continuous - phpvsfiid 173652; continuous - phpvsfiid 173652