IDENTIFIERS

  • Current Taxon Name (Soil Name): YORKVILLE
  • OSD
  • Series Extent
  • User Site ID: S1963-CA-49-009x
  • User Pedon ID: 63-CA-49-009x
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UCDAVIS
  • Lab Pedon # - UCD6349009
  • NCSS Pedon Lab Data NASIS Record ID - 42030
  • 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: 38.5948296
  • Std. Longitude: -123.1914139
  • Datum: WGS84
  • Township: 9
  • Range: 12W
  • Section: 28
  • PLSS Details: SE/4, NW/4
  • State: California
  • County: CA097—Sonoma
  • MLRA: 4B—Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA097—Sonoma County, California
  • 7.5 Minute USGS Quad: 38123-E2—Fort Ross, California

    • PEDON

  • Describers Name: JAD, BFS, WLC, ENG
  • Current Taxonomic Class: Fine, mixed, thermic Ultic Argixerolls
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - YORKVILLE
  • Taxonomic Class - Fine, mixed, thermic Ultic Argixerolls
  • Classificaton Date - 1/28/2009
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: RES
  • Slope Complexity: complex
  • Slope Shape Down: concave
  • Drainage Class: moderately well
  • Geology: Fault Gouge. Geologic Formatio formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/28/2009 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    30

    —

    —

    442

    —

    270

    1651

    —

    —

    5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A11—0 to 20 centimeters (0.0 to 7.9 inches); grayish brown (2.5Y 5/2), very dark grayish brown (2.5Y 3/2), moist; loam; moderate coarse subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 21.0 very fine roots throughout and 21.0 fine roots throughout; 21.0 very fine tubular and 21.0 fine irregular pores; fragments; moderately acid, pH 5.8; diffuse boundary. Lab sample # UCD03220
    A12—20 to 36 centimeters (7.9 to 14.2 inches); grayish brown (2.5Y 5/2), very dark grayish brown (2.5Y 3/2), moist; loam; moderate coarse subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 21.0 very fine roots throughout; 21.0 very fine irregular and 21.0 fine irregular and 21.0 fine tubular and 21.0 fine tubular pores; fragments; moderately acid, pH 5.9; diffuse boundary. Lab sample # UCD03221
    B1t—36 to 48 centimeters (14.2 to 18.9 inches); grayish brown (2.5Y 5/2), very dark grayish brown (2.5Y 3/2), moist; clay loam; moderate medium subangular blocky structure; firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 21.0 very fine tubular and 21.0 fine tubular pores; 75 percent clay films on all faces of peds and 75 percent clay films between sand grains and 75 percent clay films on surfaces along pores; fragments; moderately acid, pH 5.7; clear wavy boundary. Lab sample # UCD03222
    B2t—48 to 81 centimeters (18.9 to 31.9 inches); dark grayish brown (2.5Y 4/2), dark grayish brown (2.5Y 4/2), moist; clay; moderate medium subangular blocky structure; firm, moderately sticky, very plastic; 0.5 very fine roots throughout; 21.0 very fine tubular pores; fragments; slightly acid, pH 6.1; clear wavy boundary. Lab sample # UCD03223
    C—81 to 152 centimeters (31.9 to 59.8 inches); black (5Y 2/1), dark gray (5Y 4/1), moist; clay; strong very coarse angular blocky parts to strong coarse angular blocky structure; firm, very sticky, very plastic; 0.1 very fine roots throughout; 3.0 very fine tubular pores; fragments; moderately alkaline, pH 8.0. Lab sample # UCD03224