IDENTIFIERS

  • Current Taxon Name (Soil Name): Hot Lake
  • OSD
  • Series Extent
  • User Site ID: S2006OR625002
  • User Pedon ID: S2006OR061002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 06N1029
  • NCSS Pedon Lab Data NASIS Record ID - 18363
  • 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: 45.2654152
  • Std. Longitude: -117.9672241
  • Datum: WGS84
  • Township: 3S
  • Range: 39E
  • Section: 29
  • PLSS Details: 300 feet north and 2500 feet west of the southeast corner
  • Location Description: Backhoe Pit W2 location is 3 miles east and 1 mile south of the La Grande Airport.
  • Map Unit: 25—Hot Lake silt loam
  • State: Oregon
  • County: OR061—Union
  • MLRA: 9—Palouse and Nez Perce Prairies
  • Regional Office: 1—Portland, OR
  • Non-MLRA Soil Survey Area: OR625—Union County Area, Oregon

    • PEDON

  • Describers Name: Dave Trochlell, Ron Raney
  • Current Taxonomic Class: Coarse-silty, mixed, superactive, mesic Oxyaquic Haploxerolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Hot Lake
  • Taxonomic Class - Coarse-silty, mixed, superactive, mesic Oxyaquic Haploxerolls
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/17/2006
  • Soil Taxonomic Edition - ninth edition
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium over water laid volcanic ash
  • Landform: terrace on alluvial flat
  • Geomorphic Component Terraces: tread
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/17/2006 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    andic soil properties

    lithologic discontinuity

    cambic horizon

    lithologic discontinuity

    lithologic discontinuity

    0—30

    30—86

    30—86

    30—61

    86—140

    140—152

    —30—

    —56—

    —56—

    —31—

    —54—

    —12—
    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

    —

    —

    820

    —

    419

    —

    130

    9

    —

    —

    10

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches);, black (10YR 2/1), moist; silt loam; 12 percent clay; weak medium granular, and weak coarse granular structure; soft, very friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine roots throughout and 0.5 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; fragments; noneffervescent; clear smooth boundary. Lab sample # 06N04421; slightly moist when described; observed in trench
    A—10 to 30 centimeters (3.9 to 11.8 inches);, black (10YR 2/1), moist; silt loam; 12 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine roots throughout and 0.5 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 06N04422; slightly moist when described; observed in trench
    2Bw—30 to 61 centimeters (11.8 to 24.0 inches);, light gray (10YR 7/2), moist; ashy silt; 5 percent clay; weak fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; moderate permeability; 4.0 very fine roots throughout; fragments; noneffervescent; clear smooth boundary. Lab sample # 06N04423; moist when described; observed in trench
    2C1—61 to 69 centimeters (24.0 to 27.2 inches);, light olive brown (2.5Y 5/3), moist; ashy silt; 5 percent clay; massive; slightly hard, very friable, nonsticky, nonplastic; moderate permeability; 0.5 very fine roots throughout; 10 percent fine distinct dendritic noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron throughout; fragments; noneffervescent; abrupt smooth boundary.; very moist when described; observed in trench
    2C2—69 to 86 centimeters (27.2 to 33.9 inches);, light gray (10YR 7/2), moist; ashy silt; 5 percent clay; massive; slightly hard, very friable, nonsticky, nonplastic; moderate permeability; 0.5 very fine roots throughout; 10 percent fine distinct dendritic noncoherent cemented yellowish brown (10YR 5/6), moist, masses of oxidized iron throughout; fragments; noneffervescent; abrupt wavy boundary. Lab sample # 06N04424; wet when described; observed in trench
    3Ab—86 to 140 centimeters (33.9 to 55.1 inches);, very dark grayish brown (2.5Y 3/2), moist; silt loam; 20 percent clay; massive; hard, friable, moderately sticky, moderately plastic; moderate permeability; 25 percent coarse prominent irregular noncoherent cemented red (2.5YR 4/8), moist, masses of oxidized iron throughout; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 06N04425; wet when described; observed in trench
    4C—140 to 152 centimeters (55.1 to 59.8 inches);, dark grayish brown (2.5Y 4/2), moist; loam; 14 percent clay; massive; slightly hard, very friable, slightly sticky, slightly plastic; moderate permeability; 15 percent fine distinct irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, masses of oxidized iron throughout; fragments; noneffervescent. Lab sample # 06N04426; wet when described; observed in trench