IDENTIFIERS

  • Current Taxon Name (Soil Name): Segidal
  • OSD
  • Series Extent
  • User Site ID: S1978WA039004
  • User Pedon ID: 78WA039004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 78P0260
  • NCSS Pedon Lab Data NASIS Record ID - 45814
  • Print Date: 4/14/2025

    • 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: 45.9849994
  • Std. Longitude: -121.2919464
  • Datum: WGS84
  • Township: 6N
  • Range: 12E
  • Section: 27
  • PLSS Details: approximately 500 feet south and 2,500 feet west of the northeast corner of section 27, T. 6 N., R. 12 E.
  • Location Description: about 2 1/2 miles south of Glenwood
  • State: Washington
  • County: WA039—Klickitat
  • Regional Office: 1—Portland, OR
  • MLRA Soil Survey Area: NW-PAS—Pasco, Washington
  • Non-MLRA Soil Survey Area: WA676—Yakama Nation Closed Area, Washington, Parts of Klickitat and Yakima Counties

    • PEDON

  • Describers Name: A.G. and E.H.
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, frigid, ortstein Typic Epiaquods
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Segidal (flagged as OSD)
  • PSC - 28 to 104 cm.
  • Classificaton Date - 5/11/2012
  • Classifier - Keith Harrington
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - aquic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Segidal
  • Taxonomic Class - Coarse-loamy, mixed, mesic, ortstein Typic Sideraq
  • Taxon Kind - series
  • Classificaton Date - 8/1/1978
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landform: lacustrine terrace
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1978 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    cemented horizon

    cemented horizon

    cemented horizon

    strongly coherent

    strongly coherent

    weakly coherent

    74 - 109

    109 - 127

    127 - 155

    - 35 -

    - 18 -

    - 28 -

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

    albic horizon

    aquic conditions

    cambic horizon

    ortstein

    lithologic discontinuity

    3—53

    10—155

    53—127

    74—127

    127—155

    —50—

    —145—

    —74—

    —53—

    —28—
    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

    —

    —

    —

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; very strongly acid, pH 5.0; abrupt smooth boundary.
    E1—3 to 10 centimeters (1.2 to 3.9 inches); brown (10YR 5/3), very pale brown (10YR 8/2), dry; sandy loam; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 6.0 very fine roots and 6.0 fine roots; 6.0 very fine irregular pores; 5 percent by volume nonflat indurated 2-35-75 millimeter basalt fragments; moderately acid, pH 5.9; clear smooth boundary.
    E2—10 to 33 centimeters (3.9 to 13.0 inches); brown (10YR 5/3), white (10YR 8/1), dry; sandy loam; 1 percent reddish yellow (7.5YR 6/6) fine prominent mottles; weak medium platy structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 0.9 medium roots and 3.0 fine roots; 6.0 very fine tubular and 3.0 very fine irregular pores; 5 percent by volume nonflat indurated 2-35-75 millimeter basalt fragments; moderately acid, pH 5.8; clear smooth boundary.
    E3—33 to 53 centimeters (13.0 to 20.9 inches); grayish brown (10YR 5/2), light gray (10YR 7/1), dry; loam; 1 percent reddish yellow (7.5YR 6/8) fine prominent mottles; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 6.0 very fine roots and 6.0 fine roots; 3.0 very fine tubular and 0.9 very fine irregular pores; 5 percent by volume nonflat indurated 2-35-75 millimeter basalt fragments; slightly acid, pH 6.1; gradual smooth boundary.
    Bs—53 to 74 centimeters (20.9 to 29.1 inches); grayish brown (10YR 5/2) and light brownish gray (2.5Y 6/2) and reddish yellow (7.5YR 6/8), light yellowish brown (10YR 6/4) and pale yellow (2.5Y 8/2) and reddish yellow (7.5YR 6/8), dry; sandy loam; structureless massive; moderately hard, firm, nonsticky, nonplastic; 6.0 very fine roots and 0.9 medium roots and 6.0 fine roots; 0.9 very fine tubular and 6.0 very fine irregular pores; 5 percent by volume nonflat indurated 2-35-75 millimeter basalt fragments; slightly acid, pH 6.2; gradual smooth boundary.
    Bsm1—74 to 109 centimeters (29.1 to 42.9 inches); dark yellowish brown (10YR 4/6) and light brownish gray (2.5Y 6/2) and strong brown (7.5YR 5/6), brownish yellow (10YR 6/6) and white (10YR 8/1) and strong brown (7.5YR 5/6), dry; cemented material; structureless massive; very hard, extremely firm by iron and humus, slightly sticky, slightly plastic; 6.0 very fine roots in cracks and 6.0 very fine roots in cracks; 0.9 very fine tubular and 0.9 very fine irregular pores; 10 percent by volume nonflat indurated 2-35-75 millimeter basalt fragments; neutral, pH 6.6; abrupt wavy boundary.
    Bsm2—109 to 127 centimeters (42.9 to 50.0 inches); light brownish gray (10YR 6/2) and yellowish red (5YR 5/6) and yellowish red (5YR 5/8), light yellowish brown (10YR 6/4) and light gray (10YR 7/1) and strong brown (7.5YR 5/6) and strong brown (7.5YR 5/8), dry; cemented material; structureless massive; extremely hard, slightly rigid by iron and humus, nonsticky, nonplastic; 0.9 very fine roots in cracks and 0.9 fine roots in cracks; 0.9 very fine irregular and 0.9 fine tubular pores; 10 percent by volume nonflat indurated 2-35-75 millimeter basalt fragments; neutral, pH 6.7; abrupt smooth boundary.
    2Bsm3—127 to 155 centimeters (50.0 to 61.0 inches); grayish brown (10YR 5/2), light gray (10YR 7/1), dry; stratified stratified cemented gravel to cemented sand to cemented sandy loam to cemented loam; 25 percent strong brown (7.5YR 5/6) fine prominent mottles; structureless massive; hard, very firm by iron, nonsticky, nonplastic; 0.9 very fine roots in cracks; 0.9 very fine tubular and 0.9 very fine irregular pores; fragments; neutral, pH 6.7.