IDENTIFIERS

  • Current Taxon Name (Soil Name): Cassenai
  • OSD
  • Series Extent
  • User Site ID: S2004CA017001
  • User Pedon ID: 04CA017001
  • Vegetation Plot ID: S2004CA017001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 05N0020
  • NCSS Pedon Lab Data NASIS Record ID - 17323
  • Print Date: 11/23/2024

    • 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: 38.9995651
  • Std. Longitude: -120.1314011
  • Datum: WGS84
  • Township: 13 N.
  • Range: 17 E.
  • Section: 6
  • PLSS Details: 1750 feet north and 200 feet west of southeast corner
  • Map Unit: 7426—Cassenai cobbly loamy coarse sand, moist, 15 to 30 percent slopes, very bouldery
  • 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: 39120-A2—Homewood, California

    • PEDON

  • Describers Name: Kevin Connelly & Edd Russell
  • Current Taxonomic Class: Mixed, frigid Typic Xeropsamments
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Cassenai
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/24/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rubicon
  • Taxonomic Class - Sandy, mixed, active, frigid Typic Xerorthents
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/11/2004
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: sandy colluvium derived from granite over residuum weathered from granite
  • Landscape: mountains
  • Landform: ridge on mountain slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Bedrock: weakly coherent moderate weathered granite at 108cm
  • Surface Fragments: 3.00 percent 250- to 600-millimeter granite, 1.00 percent 600- to 1500-millimeter granite, 1.00 percent 75- to 250-millimeter granite,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/11/2004 (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
  • Current Weather - sunny
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABCO

    ABMA

    ARNE

    CECO

    LUPIN

    PICO

    PIMO3

    RIBES

    TSME

    Abies concolor

    Abies magnifica

    Arctostaphylos nevadensis

    Ceanothus cordulatus

    Lupinus

    Pinus contorta

    Pinus monticola

    Ribes

    Tsuga mertensiana

    white fir

    California red fir

    pinemat manzanita

    whitethorn ceanothus

    lupine

    lodgepole pine

    western white pine

    currant

    mountain hemlock

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    weakly coherent

    108 -

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

    paralithic contact

    108—

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

    8/11/2004

    50

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    9
    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

    11

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    2304

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    10

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    724

    Rubicon #2

    SNOTEL
    Oe—0 to 3 centimeters (0.0 to 1.2 inches); fragments; noneffervescent; abrupt smooth boundary.; dry when described; observed in pit, small
    A1—3 to 17 centimeters (1.2 to 6.7 inches); dark yellowish brown (10YR 3/4), pale brown (10YR 6/3), dry; cobbly loamy coarse sand; 4 percent clay; moderate medium granular structure; soft, friable, nonsticky, nonplastic; semideformable; 15.0 very fine roots throughout and 10.0 medium roots throughout and 7.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine interstitial and 3.0 very fine tubular pores; 25 percent by volume nonflat subangular 3-162-250 millimeter granite fragments; 8.5 pounds of sample left; 1 pounds of seive - < 19mm; 6 pounds of seive - < 75mm; noneffervescent; clear wavy boundary.; dry when described; observed in pit, small. hydrophobic
    A2—17 to 40 centimeters (6.7 to 15.7 inches); dark yellowish brown (10YR 4/4), pale brown (10YR 6/3), dry; cobbly loamy coarse sand; 4 percent clay; moderate fine subangular blocky structure; soft, friable, nonsticky, nonplastic; semideformable; 0.5 very coarse roots throughout and 0.7 medium roots throughout and 3.0 fine roots throughout; 4.0 very fine tubular and 10.0 very fine interstitial pores; 15 percent by volume nonflat subangular 3-162-250 millimeter granite fragments; 15 pounds of sample left; 0.5 pounds of seive - < 19mm; 5 pounds of seive - < 75mm; noneffervescent; clear wavy boundary.; dry when described; observed in pit, small
    2ABw—40 to 63 centimeters (15.7 to 24.8 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; loamy sand; 8 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; semideformable; 0.7 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 8.0 very fine interstitial pores; fragments; 15 pounds of sample left; 1 pounds of seive - < 19mm; noneffervescent; clear smooth boundary.; moist when described; observed in pit, small
    2Bw—63 to 108 centimeters (24.8 to 42.5 inches); yellowish brown (10YR 5/6), light yellowish brown (10YR 6/4), dry; very cobbly loamy coarse sand; 10 percent clay; moderate very thick platy structure; moderately hard, firm, nonsticky, nonplastic; semideformable; 0.5 medium roots between peds and 0.5 fine roots between peds; 0.3 very fine tubular and 8.0 very fine interstitial pores; 50 percent by volume nonflat angular 3-162-250 millimeter granite fragments; 17 pounds of sample left; 3 pounds of seive - < 19mm; noneffervescent; clear wavy boundary.; moist when described; observed in pit, small. horizon has a stratified appearance
    2Cr—108 to 140 centimeters (42.5 to 55.1 inches); light olive brown (2.5Y 5/4), pale yellow (2.5Y 7/3), dry; very stony loamy coarse sand; 8 percent clay; moderate thick platy structure; moderately hard, firm, nonsticky, nonplastic; brittle; 0.1 medium roots top of horizon; 0.3 very fine tubular and 6.0 very fine interstitial pores; 30 percent by volume nonflat angular 3-162-250 millimeter granite fragments and 30 percent by volume nonflat angular 250-425-600 millimeter granite fragments; noneffervescent; clear wavy boundary.; moist when described; observed in pit, small