IDENTIFIERS

  • Current Taxon Name (Soil Name): Clackamas
  • OSD
  • Series Extent
  • User Site ID: 01-DRJ-27
  • User Pedon ID: S2001OR043003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 02N0625
  • NCSS Pedon Lab Data NASIS Record ID - 15680
  • Print Date: 11/24/2024

    • 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: 44.6303635
  • Std. Longitude: -122.8039551
  • Datum: WGS84
  • Township: 11S
  • Range: 1W
  • Section: 10
  • PLSS Details: northwest 1/4 of the southwest 1/4 of the northwest 1/4
  • State: Oregon
  • County: OR043—Linn
  • MLRA: 2—Willamette and Puget Sound Valleys
  • 7.5 Minute USGS Quad: 44122-F7—Scio, Oregon

    • PEDON

  • Describers Name: David R. Johnson
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Typic Argiaquolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Clackamas
  • PSC - 29 to 80 cm.
  • Classificaton Date - 11/15/2004
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Clackamas
  • Classificaton Date - 10/15/2001
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy alluvium over gravelly alluvium derived from igneous rock
  • Landform: outwash plain
  • Geomorphic Component Terraces: tread
  • Drainage Class: somewhat poorly
  • Flooding: occasional flooding for brief periods
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/15/2001 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - overcast
  • Current Air Temp - 16
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    aquic conditions

    argillic horizon

    0—58

    29—152

    29—89

    —58—

    —123—

    —60—
    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

    1

    —

    —

    114

    —

    1270

    —

    175

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 8 centimeters (0.0 to 3.1 inches); black (10YR 2/1) broken face, dark brown (10YR 3/3) broken face, dry; loam; 27 percent sand; 25 percent clay; moderate medium granular parts to moderate fine granular structure; moderately hard, slightly sticky, slightly plastic; 15.0 very fine roots throughout and 0.1 medium roots throughout and 0.5 fine roots throughout; 25.0 very fine irregular and 3.0 medium tubular and 3.0 fine tubular pores; 3 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments; abrupt smooth boundary. Lab sample # 02N03138; observed in pit, small
    A2—8 to 29 centimeters (3.1 to 11.4 inches); very dark brown (10YR 2/2) broken face, dark brown (10YR 3/3) broken face, dry; loam; 25 percent sand; 27 percent clay; strong fine subangular blocky structure; moderately hard, slightly sticky, slightly plastic; 10.0 very fine roots throughout and 0.1 fine roots throughout; 15.0 very fine tubular and 1.0 medium tubular and 2.0 fine tubular pores; 5 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments; abrupt wavy boundary. Lab sample # 02N03139
    Bt1—29 to 58 centimeters (11.4 to 22.8 inches); dark brown (10YR 3/3) broken face, yellowish brown (10YR 5/4) crushed, dry; clay loam; 36 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; moderately hard, moderately sticky, moderately plastic; 4.0 very fine roots throughout; 10.0 very fine tubular and 2.0 medium tubular and 2.0 fine tubular pores; 30 percent distinct clay films on surfaces along pores and 30 percent distinct clay films on all faces of peds; 10 percent prominent black (10YR 2/1), dry, manganese coatings on faces of peds and 50 percent prominent strong brown (7.5YR 5/6), dry, iron-manganese masses in matrix; 3 percent by volume nonflat well rounded indurated 75-163-250 millimeter igneous, unspecified fragments and 10 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments; clear wavy boundary. Lab sample # 02N03140
    Bt2—58 to 89 centimeters (22.8 to 35.0 inches); brown (10YR 4/3) broken face, pale brown (10YR 6/3) crushed, dry; extremely gravelly clay loam; 34 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; moderately sticky, moderately plastic; 3.0 very fine roots throughout; 10 percent faint clay films on surfaces along pores; 5 percent prominent strong brown (7.5YR 5/6), dry, iron-manganese masses in matrix and 40 percent distinct light gray (10YR 7/2), dry, iron depletions in matrix; 10 percent by volume nonflat well rounded indurated 75-163-250 millimeter igneous, unspecified fragments and 65 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments; gradual wavy boundary. Lab sample # 02N03141
    BC—89 to 152 centimeters (35.0 to 59.8 inches); brown (10YR 4/3) broken face, yellowish brown (10YR 5/4) crushed, dry; extremely gravelly clay loam; 33 percent clay; weak medium subangular blocky structure; moderately sticky, moderately plastic; 0.1 very fine roots throughout; 5 percent prominent strong brown (7.5YR 5/6), dry, iron-manganese masses in matrix and 40 percent distinct light gray (10YR 7/2), dry, iron depletions in matrix; 10 percent by volume nonflat well rounded indurated 75-163-250 millimeter igneous, unspecified fragments and 65 percent by volume nonflat well rounded indurated 2-39-75 millimeter igneous, unspecified fragments. Lab sample # 02N03142