IDENTIFIERS

  • Current Taxon Name (Soil Name): Tahoe
  • OSD
  • Series Extent
  • User Site ID: S2004CA017004
  • User Pedon ID: 04CA017004
  • Vegetation Plot ID: S2004CA017004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 05N0023
  • NCSS Pedon Lab Data NASIS Record ID - 17326
  • Print Date: 3/2/2025

    • 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: 38.8500000
  • Std. Longitude: -119.9333333
  • Datum: WGS84
  • Township: 12 north
  • Range: 18 east
  • Section: 36
  • PLSS Details: southeast 1/4 of the southeast 1/4
  • Map Unit: 7041—Tahoe complex, 0 to 2 percent slopes
  • Country: US—United States
  • State: California
  • County: CA017—El Dorado
  • MLRA: 22A—Sierra Nevada and Tehachapi Mountains
  • Non-MLRA Soil Survey Area: CA693—Tahoe Basin Area, California and Nevada
  • 7.5 Minute USGS Quad: 38119-G8—Freel Peak, California

    • PEDON

  • Describers Name: Kevin Connelly & Trina Camping
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, acid, frigid Cumulic Humaquepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Tahoe
  • Classificaton Date - 3/3/2015
  • Sampled As Information:
  • Soil Name - Umpa
  • Taxonomic Class - Coarse-loamy, mixed, frigid Typic Dystroxerepts
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/17/2004
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: mountain valley
  • Geomorphic Component Mountains: mountainbase
  • Hill Slope Profile: toeslope
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/17/2004 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - native shrubs
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    LUPIN

    PICO

    Lupinus

    Pinus contorta

    lupine

    lodgepole pine

    —

    —

    —

    —

    —

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

    umbric epipedon

    3—70

    —-
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    8/17/2004

    50

    —

    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

    5

    —

    —

    2390

    —

    215

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    508

    Hagan Meadow

    SNOTEL
    Oe—0 to 3 centimeters (0.0 to 1.2 inches); fragments; abrupt smooth boundary.; observed in pit, small
    A1—3 to 15 centimeters (1.2 to 5.9 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; gravelly coarse sandy loam; 5 percent clay; weak fine granular structure; semideformable; 5.0 very fine roots throughout and 5.0 fine roots throughout; 5.0 very fine tubular and 5.0 fine tubular pores; fragments; strongly acid, pH 5.2; clear wavy boundary.; observed in pit, small
    A2—15 to 47 centimeters (5.9 to 18.5 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; gravelly coarse sandy loam; 5 percent clay; moderate coarse angular blocky, and moderate medium angular blocky structure; semideformable; 5.0 very fine roots throughout and 0.2 medium roots throughout and 0.2 fine roots throughout; 5.0 fine tubular pores; fragments; strongly acid, pH 5.4; clear wavy boundary.; observed in pit, small
    AB—47 to 70 centimeters (18.5 to 27.6 inches); yellowish brown (10YR 5/4), dark brown (10YR 3/3), moist; coarse sandy loam; 8 percent clay; moderate coarse angular blocky, and moderate medium angular blocky structure; semideformable; 0.2 medium roots throughout and 0.2 fine roots throughout; 5.0 very fine tubular pores; fragments; moderately acid, pH 5.6; clear wavy boundary.; observed in pit, small. 1-3 cobbles removed, not enough to weigh for sample.
    2Bw—70 to 103 centimeters (27.6 to 40.6 inches); yellow (10YR 7/6), dark yellowish brown (10YR 4/4), moist; coarse sandy loam; 10 percent clay; 15 percent yellowish brown (10YR 5/6) coarse distinct mottles; structureless massive; brittle; 0.2 coarse roots throughout; 0.2 fine tubular pores; 5 percent by volume 2-?-76 millimeter unspecified fragments; strongly acid, pH 5.3; clear wavy boundary.; observed in pit, small. 1-3 cobbles removed, not enough to weigh for sample.
    2C—103 to 120 centimeters (40.6 to 47.2 inches); pale brown (10YR 6/3), reddish brown (2.5YR 5/3), moist; gravelly coarse sandy loam; 12 percent clay; moderate medium angular blocky structure; firm, nonsticky, slightly plastic; brittle; 0.2 fine tubular pores; 5 percent by volume 2-?-76 millimeter unspecified fragments; strongly acid, pH 5.3.; observed in pit, small. 1-3 cobbles removed, not enough to weigh for sample.