IDENTIFIERS

  • Current Taxon Name (Soil Name): KNAPPA
  • OSD
  • Series Extent
  • User Site ID: S2001OR057002
  • User Pedon ID: S2001OR057002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 01N1071
  • NCSS Pedon Lab Data NASIS Record ID - 13573
  • Print Date: 2/2/2025

    • 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: 45.1894150
  • Std. Longitude: -123.8927765
  • Datum: WGS84
  • Township: 4S
  • Range: 10W
  • Section: 27
  • PLSS Details: About 400 feet North and 800 feet east of the SW corner
  • State: Oregon
  • County: OR057—Tillamook
  • MLRA: 1—Northern Pacific Coast Range, Foothills, and Valleys
  • 7.5 Minute USGS Quad: 45123-B8—Nestucca Bay, Oregon

    • PEDON

  • Describers Name: John Shipman and Cory Ducey
  • Current Taxonomic Class: Fine-silty, isotic, isomesic Andic Dystrudepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - KNAPPA
  • Classificaton Date - 6/15/2007
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Knappa series
  • Classificaton Date - 8/16/2001
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: mixed alluvium
  • Landform: strath terrace
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/16/2001 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    4

    —

    —

    21

    —

    203

    —

    —

    50

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); very dark brown (10YR 2/2), dark yellowish brown (10YR 4/4), dry; silt loam; moderate very fine and fine subangular blocky structure; friable, slightly sticky, slightly plastic; 21.0 very fine roots throughout and 0.5 fine roots throughout; 21.0 very fine interstitial pores; 1 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter unspecified fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # 01N05463
    Ap2—10 to 23 centimeters (3.9 to 9.1 inches); very dark brown (10YR 2/2), dark yellowish brown (10YR 4/4), dry; silt loam; moderate very fine and fine subangular blocky structure; friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots throughout; 21.0 very fine interstitial pores; 1 percent by volume nonflat strongly coherent cemented 2-?-75 millimeter unspecified fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # 01N05464
    A1—23 to 33 centimeters (9.1 to 13.0 inches); very dark brown (10YR 2/2), dark yellowish brown (10YR 4/4), dry; silt loam; moderate very fine and fine subangular blocky structure; friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 0.5 fine roots throughout; 21.0 very fine interstitial pores; fragments; very strongly acid, pH 4.6; clear smooth boundary. Lab sample # 01N05465
    A2—33 to 51 centimeters (13.0 to 20.1 inches); very dark brown (10YR 2/2), dark yellowish brown (10YR 4/4), dry; silt loam; moderate very fine and fine subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots throughout; 21.0 very fine interstitial pores; fragments; very strongly acid, pH 5.0; clear smooth boundary. Lab sample # 01N05466
    Bw1—51 to 64 centimeters (20.1 to 25.2 inches); dark yellowish brown (10YR 3/4), yellowish brown (10YR 5/4), dry; silty clay loam; moderate very fine and fine subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 3.0 very fine and fine interstitial pores; dark brown (10YR 3/3), moist, organic stains on all faces of peds; fragments; very strongly acid, pH 4.8; gradual smooth boundary. Lab sample # 01N05467
    Bw2—64 to 114 centimeters (25.2 to 44.9 inches); dark yellowish brown (10YR 4/6), yellow (10YR 7/6), dry; silty clay loam; moderate fine and medium subangular blocky structure; friable, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 3.0 very fine and fine interstitial pores; 1 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter unspecified fragments and 2 percent by volume nonflat strongly coherent cemented 2-?-75 millimeter unspecified fragments; very strongly acid, pH 4.8; gradual smooth boundary. Lab sample # 01N05468
    Bw3—114 to 152 centimeters (44.9 to 59.8 inches); dark yellowish brown (10YR 4/6), yellow (10YR 7/6), dry; silty clay loam; weak fine subangular blocky parts to moderate fine and medium subangular blocky structure; friable, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 3.0 very fine and fine interstitial pores; 2 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter unspecified fragments and 5 percent by volume nonflat strongly coherent cemented 2-?-75 millimeter unspecified fragments; very strongly acid, pH 4.8. Lab sample # 01N05469