IDENTIFIERS

  • Current Taxon Name (Soil Name): Denison
  • OSD
  • Series Extent
  • User Site ID: S1955CA081002
  • User Pedon ID: S1955CA081002
  • Vegetation Plot ID: S1955CA081002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3027
  • NCSS Pedon Lab Data NASIS Record ID - 38156
  • Print Date: 11/21/2024

    • 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: 37.4977760
  • Std. Longitude: -122.4619446
  • Datum: WGS84
  • Location Description: 0.41 miles north of Miramar Hotel, Miramar Village. About 125 feet east of the sea cliff.
  • State: California
  • County: CA081—San Mateo
  • MLRA: 4—California Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA637—San Mateo Area, California

    • PEDON

  • Describers Name: W. M. Johnson
  • Current Taxonomic Class: Fine-loamy, mixed, mesic Pachic Argiustolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Denison
  • PSC - 25 to 100 cm.
  • Classificaton Date - 1/27/2010
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Denison
  • Classificaton Date - 2/23/1955
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: marine terrace, alluvial fan
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/23/1955 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BROLG

    Brassica oleracea var. gemmifera

    brussels sprouts

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    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

    1

    —

    —

    5

    —

    270

    635

    —

    —

    —

    15.6

    8.9

    —

    —

    —

    —

    —

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    —

    —
    AP—0 to 10 centimeters (0.0 to 3.9 inches); black (10YR 2/1), black (10YR 2/1), moist; loam; weak fine granular structure; very hard, friable, moderately sticky, moderately plastic; moderate permeability; 21.0 roots; 21 percent worm casts; fragments; neutral, pH 6.8, unspecified; abrupt smooth boundary. Lab sample # 40A23738; moist when described;
    A12—10 to 20 centimeters (3.9 to 7.9 inches); black (10YR 2/1), black (10YR 2/1), moist; loam; weak coarse prismatic parts to weak medium granular structure; extremely hard, moderately sticky, moderately plastic; moderate permeability; 21.0 roots; fragments; slightly acid, pH 6.5, unspecified; clear wavy boundary. Lab sample # 40A23739; moist when described;
    B21—20 to 41 centimeters (7.9 to 16.1 inches); black (10YR 2/1), black (10YR 2/1), moist; loam; moderate very coarse prismatic parts to weak medium and coarse subangular blocky structure; very firm, very sticky, very plastic; 21.0 roots; clay films and 30 percent nonintersecting slickensides; fragments; slightly acid, pH 6.3, unspecified; clear wavy boundary. Lab sample # 40A23740; moist when described;. continuous - phpvsfiid 186669; continuous - phpvsfiid 186669
    B22—41 to 74 centimeters (16.1 to 29.1 inches); black (10YR 2/1), black (10YR 2/1), moist; clay loam; moderate very coarse prismatic parts to weak medium and coarse subangular blocky structure; very firm, very sticky, very plastic; 21.0 roots; 75 percent nonintersecting slickensides; fragments; slightly acid, pH 6.3, unspecified; clear irregular boundary. Lab sample # 40A23741; moist when described;
    B3—74 to 114 centimeters (29.1 to 44.9 inches); yellowish brown (10YR 5/6) and pale brown (10YR 6/3), dark yellowish brown (10YR 4/6) and brown (10YR 5/3), moist; clay loam; 3 percent white (10YR 8/1) fine and 3 percent gray (N 6/0) medium mottles; moderate very coarse prismatic parts to weak medium and coarse subangular blocky structure; very firm, very sticky, very plastic; 0.5 roots; clay films on vertical faces of peds; fragments; neutral, pH 7.0, unspecified; clear irregular boundary. Lab sample # 40A23742; moist when described;
    C1—114 to 140 centimeters (44.9 to 55.1 inches); light gray (2.5Y 7/2) and yellowish brown (10YR 5/6), light olive brown (2.5Y 5/3) and dark yellowish brown (10YR 4/6), moist; clay loam; weak very coarse prismatic structure; friable, moderately sticky, moderately plastic; 0.1 roots; clay films on vertical faces of peds; fragments; neutral, pH 7.0, unspecified; gradual wavy boundary. Lab sample # 40A23743; moist when described;. patchy - phpvsfiid 196559; patchy - phpvsfiid 196559
    C2—140 to 160 centimeters (55.1 to 63.0 inches); light gray (2.5Y 7/2) and yellowish brown (10YR 5/4), grayish brown (2.5Y 5/2) and dark yellowish brown (10YR 4/4), moist; loam; massive; friable, moderately sticky, moderately plastic; clay films on vertical faces of peds; fragments; slightly alkaline, pH 7.4, unspecified. Lab sample # 40A23744; moist when described;. Common dark gray films on ped surfaces and fine with specks. Moderate patchy clay skins on vertical surfaces and in linings of tubular pores.; patchy - phpvsfiid 196560; patchy - phpvsfiid 196560