IDENTIFIERS

  • Current Taxon Name (Soil Name): Umak
  • OSD
  • Series Extent
  • User Site ID: S2000OR035001
  • User Pedon ID: S2000OR035001
  • Vegetation Plot ID: S2000OR035001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 00P1208
  • NCSS Pedon Lab Data NASIS Record ID - 12704
  • 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: 42.8983612
  • Std. Longitude: -122.2664413
  • Datum: WGS84
  • State: Oregon
  • County: OR035—Klamath
  • 7.5 Minute USGS Quad: 42122-H3—Thousand Springs, Oregon

    • PEDON

  • Describers Name: Tom Clark, Jerry Weinheimer
  • Current Taxonomic Class: Ashy-pumiceous, amorphic Typic Vitricryands
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Umak
  • Classificaton Date - 1/27/2010
  • Sampled As Information:
  • Soil Name - Umak
  • Classificaton Date - 7/12/2000
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: ash flow
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/12/2000 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABSH

    ARNE

    ARNE

    CHIMA

    CHUM

    PICO

    TSME

    VASC

    Abies xshastensis

    Arctostaphylos nevadensis

    Arctostaphylos nevadensis

    Chimaphila

    Chimaphila umbellata

    Pinus contorta

    Tsuga mertensiana

    Vaccinium scoparium

    Shasta red fir

    pinemat manzanita

    pinemat manzanita

    prince's pine

    pipsissewa

    lodgepole pine

    mountain hemlock

    grouse whortleberry

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    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

    2

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    1555

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    315

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    Oi—0 to 5 centimeters (0.0 to 2.0 inches); fragments; abrupt wavy boundary. needle litter.
    A—5 to 13 centimeters (2.0 to 5.1 inches); dark brown (7.5YR 3/2), brown (7.5YR 5/3), dry; sandy loam; 3 percent clay; weak very fine granular structure; loose, loose, nonsticky, nonplastic; 4.0 very fine roots and 1.0 very coarse roots and 3.0 fine roots and 1.0 coarse roots; fragments; 6 Chlorophenol re; noneffervescent; slightly acid, pH 6.2, bromthymol blue; clear wavy boundary. Lab sample # 00P06989. texture: PGR ASL; rock fragments: 15 PGR Pumice.
    Bw1—13 to 36 centimeters (5.1 to 14.2 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; gravelly sandy loam; 3 percent clay; weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 2.0 very fine roots and 3.0 medium roots and 1.0 fine roots and 0.5 coarse roots; 5.0 fine pores; 5 percent by volume subrounded 2-39-75 millimeter cinders fragments; 6.4000001 Chlorophenol re; noneffervescent; slightly acid, pH 6.4, bromthymol blue; clear wavy boundary. Lab sample # 00P06990. texture: PGR ASL; rock fragments: 20 PGR Pumice.
    Bw2—36 to 94 centimeters (14.2 to 37.0 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; very cobbly loamy sand; 3 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 25.0 very fine roots and 0.5 medium roots and 1.0 fine roots and 0.5 coarse roots; 5.0 very fine pores; fragments; 6.80000019 Chlorophenol re; noneffervescent; neutral, pH 6.6, bromthymol blue; clear wavy boundary. Lab sample # 00P06991. rock fragments: 30% PCB, 25% PGR Pumice; many pumice gravel are borderline cobbles.
    Bw3—94 to 165 centimeters (37.0 to 65.0 inches); dark brown (10YR 3/3), grayish brown (10YR 5/2), dry; very cobbly loamy sand; 2 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 1.0 medium roots and 0.5 fine roots; 3.0 very fine pores; 5 percent by volume subrounded 2-39-75 millimeter cinders fragments and 20 percent by volume subrounded 75-162-250 millimeter cinders fragments; 6.5999999 Chlorophenol re; noneffervescent; neutral, pH 6.6, bromthymol blue. Lab sample # 00P06992