IDENTIFIERS

  • Current Taxon Name (Soil Name): FORWARD
  • OSD
  • Series Extent
  • User Site ID: S1972CA055002
  • User Pedon ID: S1972CA055002
  • Vegetation Plot ID: S1972CA055002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 72C0144
  • NCSS Pedon Lab Data NASIS Record ID - 44078
  • Print Date: 6/1/2024

    • 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: 38.5638885
  • Std. Longitude: -122.4380569
  • Datum: WGS84
  • Township: 8N
  • Range: 5W
  • Section: 8
  • PLSS Details: NE 1/4, NW 1/4
  • Location Description: Napa County, California. A pit located 200 feet south from south east corner of parking lot near south-most building of Pacific Union College campus and 50 feet east.
  • State: California
  • County: CA055—Napa
  • MLRA: 15—Central California Coast Range
  • Non-MLRA Soil Survey Area: CA055—Napa County, California

    • PEDON

  • Describers Name: G. Lambert, T. D. Cook
  • Current Taxonomic Class: Ashy, mixed, mesic Typic Vitrixerands
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - FORWARD
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/11/2005
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Foward-Like
  • Classificaton Date - 11/14/1972
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: rhyolitic tuff
  • Landscape: steep upland
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/14/1972 (actual site observation date)
  • Surface Cover Properties:
  • 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

    ARBUT

    PERSE

    PSME

    QUBE5

    Arbutus

    Persea

    Pseudotsuga menziesii

    Quercus berberidifolia

    madrone

    bay

    Douglas-fir

    scrub oak

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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

    45

    —

    —

    512.1

    —

    0

    1016

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    14

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    O1—0 to 8 centimeters (0.0 to 3.1 inches); material; fragments.; observed in pit, small
    A11—8 to 21 centimeters (3.1 to 8.3 inches); pale brown (10YR 6/3), dark yellowish brown (10YR 3/4), moist; gravelly loam; moderate very fine single grain, and moderate fine single grain; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 0.5 very coarse roots and 3.0 medium roots and 21.0 fine roots; 3.0 medium interstitial and 3.0 medium tubular and 3.0 fine interstitial and 3.0 fine tubular pores; fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 72C00878; observed in pit, small
    A12—21 to 41 centimeters (8.3 to 16.1 inches); very pale brown (10YR 7/3), dark brown (10YR 3/3), moist; gravelly loam; weak very fine single grain, and weak fine single grain; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 0.5 very coarse roots and 3.0 medium roots and 21.0 fine roots; 21.0 very fine interstitial and 21.0 very fine tubular and 21.0 fine interstitial and 21.0 fine tubular pores; fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 72C00879; observed in pit, small
    B2—41 to 72 centimeters (16.1 to 28.3 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; gravelly loam; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 0.5 very coarse roots and 3.0 medium roots and 21.0 fine roots; 21.0 very fine tubular and 21.0 very fine interstitial and 21.0 fine tubular and 21.0 fine interstitial pores; fragments; moderately acid, pH 6.0; gradual wavy boundary. Lab sample # 72C00880; observed in pit, small
    B31—72 to 92 centimeters (28.3 to 36.2 inches); very pale brown (10YR 8/3), brown (10YR 5/3), moist; gravelly loam; massive; very hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 0.5 very coarse roots and 3.0 medium roots and 21.0 fine roots; 21.0 very fine tubular and 21.0 very fine interstitial and 21.0 fine tubular and 21.0 fine interstitial pores; fragments; moderately acid, pH 6.0; gradual wavy boundary. Lab sample # 72C00881; observed in pit, small
    B32—92 to 135 centimeters (36.2 to 53.1 inches); light gray (10YR 7/2), grayish brown (10YR 5/2), moist; gravelly loam; massive; hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 0.5 very coarse roots and 3.0 medium roots and 21.0 fine roots; 21.0 very fine interstitial pores; fragments; moderately acid, pH 6.0. Lab sample # 72C00882; observed in pit, small