IDENTIFIERS

  • Current Taxon Name (Soil Name): Kneeridge
  • OSD
  • Series Extent
  • User Site ID: 99CA693-010
  • User Pedon ID: S99CA061002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 00P0192
  • NCSS Pedon Lab Data NASIS Record ID - 11700
  • 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: 39.1123222
  • Std. Longitude: -120.1770500
  • Datum: WGS84
  • Map Unit: 7174—Kneeridge gravelly sandy loam, 5 to 15 percent slopes, very stony
  • Non-MLRA Soil Survey Area: CA693—Tahoe Basin Area, California and Nevada

    • PEDON

  • Describers Name: LA, FFF
  • Current Taxonomic Class: Medial-skeletal, amorphic, frigid Typic Vitrixerands
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Kneeridge
  • PSC - 4 to 104 cm.
  • Classificaton Date - 10/7/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tallac
  • Classificaton Date - 9/1/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from diorite
  • Landform: mountain
  • Surface Fragments: 10.00 percent nonflat 2- to 75-millimeter diorite, 1.00 percent nonflat 25- to 600-millimeter diorite, 5.00 percent nonflat 75- to 250-millimeter diorite,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1999 (actual site observation date)
  • Air Photo ID: 5
  • 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
    • 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

    12

    —

    —

    1941.9

    —

    200

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 4 centimeters (0.0 to 1.6 inches); fragments.
    A—4 to 10 centimeters (1.6 to 3.9 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; gravelly sandy loam; 70 percent sand; 21 percent silt; 9 percent clay; weak very fine granular, and weak fine granular, and weak coarse subangular blocky, and weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 3.0 very fine roots and 1.0 medium roots and 2.0 fine roots and 0.5 coarse roots; 18 percent by volume nonflat 2-?-75 millimeter diorite fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary.; slightly moist when described;
    Bw1—10 to 25 centimeters (3.9 to 9.8 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; gravelly sandy loam; 70 percent sand; 21 percent silt; 9 percent clay; weak very fine granular, and weak fine subangular blocky, and moderate medium subangular blocky structure; soft, very friable, slightly sticky, nonplastic; 1.0 very fine roots and 3.0 medium roots and 0.5 fine roots and 1.0 coarse roots; 15 percent by volume nonflat 2-?-75 millimeter diorite fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary.; slightly moist when described;
    Bw2—25 to 53 centimeters (9.8 to 20.9 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; very stony sandy loam; 70 percent sand; 22 percent silt; 8 percent clay; weak very fine granular, and weak fine subangular blocky structure; soft, very friable, slightly sticky, nonplastic; 1.0 very coarse roots and 5.0 medium roots and 1.0 fine roots and 3.0 coarse roots; 5 percent by volume nonflat 75-?-250 millimeter diorite fragments and 16 percent by volume nonflat 2-?-75 millimeter diorite fragments and 25 percent by volume nonflat 250-?-600 millimeter diorite fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary.; slightly moist when described;
    Bt1—53 to 79 centimeters (20.9 to 31.1 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; very stony sandy loam; 65 percent sand; 20 percent silt; 15 percent clay; massive; soft, very friable, moderately sticky, moderately plastic; 1.0 medium roots and 0.1 fine roots and 0.3 coarse roots; 9 percent by volume nonflat 2-?-75 millimeter diorite fragments and 15 percent by volume nonflat 75-?-250 millimeter diorite fragments and 25 percent by volume nonflat 250-?-600 millimeter diorite fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary.; slightly moist when described;
    Bt2—79 to 157 centimeters (31.1 to 61.8 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; very stony sandy loam; 65 percent sand; 18 percent silt; 17 percent clay; massive; soft, very friable, moderately sticky, moderately plastic; 0.3 medium roots and 0.3 coarse roots; 11 percent by volume nonflat 2-?-75 millimeter diorite fragments and 15 percent by volume nonflat 75-?-250 millimeter diorite fragments and 30 percent by volume nonflat 250-?-600 millimeter diorite fragments; slightly acid, pH 6.4, hellige-truog.; slightly moist when described;