IDENTIFIERS

  • Current Taxon Name (Soil Name): Rivalier
  • OSD
  • Series Extent
  • User Site ID: S1984CA035008
  • User Pedon ID: 84CA035008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0735
  • NCSS Pedon Lab Data NASIS Record ID - 54978
  • Print Date: 9/24/2024

    • 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: 41.1380539
  • Std. Longitude: -121.2338867
  • Datum: WGS84
  • Township: 38N
  • Range: 6E
  • Section: 12
  • PLSS Details: 396 meters N and 396 meters E of SW corner
  • Location Description: 15 meters W of Sec. 12 K-Tag upslope 6 meters from dirt road
  • State: California
  • County: CA035—Lassen
  • MLRA: 22—Sierra Nevada Range

    • PEDON

  • Describers Name: Chuck Ferrari and Wes Lindsey
  • Current Taxonomic Class: Ashy-skeletal, mixed, frigid Typic Vitrixerands
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Rivalier
  • PSC - 10 to 68 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Rivalier
  • Taxonomic Class - Medial-skeletal, frigid Andic Xerochrept
  • Taxon Kind - series
  • Classificaton Date - 8/1/1984
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains or deeply dissected plateaus
  • Landform: hillside or mountainside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Position: lower third
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: very poorly
  • Bedrock: with <10
  • Surface Fragments: 32.50 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1984 (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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    0—10

    10—68

    —-

    —-
    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

    20

    —

    —

    1436

    —

    45

    76

    —

    —

    6

    —

    —

    7

    —

    —

    —

    —

    —

    —

    —
    1O—0 to 0 centimeters (0.0 to 0.0 inches); partially decomposed organic matter; fragments; abrupt smooth boundary. Lab sample # 84P04066. Decomposing and dry pine and fir needles. Not sampled.
    1A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) interior, brown (10YR 5/3) interior, dry; very gravelly sandy loam; moderate fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 5.5 very fine roots throughout; 5.5 very fine tubular pores; 10 percent by volume 75-162-250 millimeter pyroclastic, unspecified fragments and 35 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.4, bromthymol blue; clear smooth boundary. Lab sample # 84P04066. many very fine roots throughout
    1Bw1—10 to 46 centimeters (3.9 to 18.1 inches); dark yellowish brown (10YR 3/4) interior, light yellowish brown (10YR 6/4) interior, dry; very gravelly sandy loam; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 5.5 fine roots throughout and 2.5 coarse roots throughout; 5.5 very fine tubular pores; 15 percent by volume 75-162-250 millimeter pyroclastic, unspecified fragments and 40 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.4, bromthymol blue; clear wavy boundary. Lab sample # 84P04067. many fine roots throughout; common coarse roots throughout
    1Bw2—46 to 69 centimeters (18.1 to 27.2 inches); dark yellowish brown (10YR 3/4) interior, very pale brown (10YR 7/4) interior, dry; very gravelly sandy loam; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; 0.5 very fine roots throughout and 0.5 medium roots throughout; 2.5 very fine tubular and 2.5 fine tubular pores; 20 percent by volume 75-162-250 millimeter pyroclastic, unspecified fragments and 40 percent by volume 2-39-75 millimeter pyroclastic, unspecified fragments; slightly acid, pH 6.4, bromthymol blue; clear wavy boundary. Lab sample # 84P04068. few very fine roots throughout; few medium roots throughout
    1R—69 to 119 centimeters (27.2 to 46.9 inches); unknown texture; fragments. Lab sample # 84P04069. Rock in position vertically with cracks 4 cm to 8 cm apart with less than 10 percent soil in cracks cm to cm apart.