IDENTIFIERS

  • Current Taxon Name (Soil Name): Dewpoint
  • OSD
  • Series Extent
  • User Site ID: s07037c249
  • User Pedon ID: s07037c249
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 06N0795
  • NCSS Pedon Lab Data NASIS Record ID - 18638
  • Print Date: 11/25/2024

    • 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: 33.4362778
  • Std. Longitude: -118.4784722
  • Datum: WGS84

    • PEDON

  • Describers Name: Matthew E. Ballmer
  • Current Taxonomic Class: Fine, smectitic, isothermic Typic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Pedon #: 249
  • Correlated Information:
  • Soil Name - Dewpoint
  • PSC - 5 to 73 cm.
  • Classificaton Date - 7/24/2012
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Starbright
  • Classificaton Date - 3/20/2007
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum weathered from schist
  • Geomorphic Component Hills: interfluve
  • Geomorphic Component Mountains: mountainflank
  • Slope Position: lower third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent schist, unspecified at 73cm
  • Surface Fragments: 10.00 percent nonflat rounded 2- to 75-millimeter schist, unspecified, 5.00 percent nonflat rounded 250- to 600-millimeter schist, unspecified, 2.00 percent nonflat rounded 600 schist, unspecified, 13.00 percent nonflat rounded 75- to 250-millimeter schist, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

  • Other Vegetative Class: CSS - Scrub Communities-Coastal Sage Scrub—Santa Catalina Island Mapping Project

    • SITE OBSERVATION

  • Observation Date: 3/20/2007 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    bedrock, lithic

    —

    —

    —

    73 -

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    3—5

    5—73

    —-

    —-
    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

    25

    —

    —

    200

    —

    350

    12

    —

    355

    17

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; moderately acid, pH 5.8, pH meter; abrupt smooth boundary.; dry when described; observed in pit, small
    A—3 to 5 centimeters (1.2 to 2.0 inches); brown (7.5YR 4/2) broken face, very dark brown (7.5YR 2.5/2) broken face, moist; silty clay loam; 23 percent clay; strong medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderately rapid permeability; 1.0 very fine roots throughout and 1.0 fine roots throughout; fragments; moderately acid, pH 5.8, pH meter; clear wavy boundary.; dry when described; observed in pit, small
    Bt1—5 to 47 centimeters (2.0 to 18.5 inches); very dark grayish brown (10YR 3/2) broken face, very dark brown (7.5YR 2.5/2) broken face, moist; clay; 45 percent clay; massive; very hard, very firm, very sticky, very plastic; slow permeability; 1.0 medium roots throughout and 1.0 fine roots throughout; 80 percent prominent very dark brown (7.5YR 2.5/2) clay films on all faces of peds; fragments; neutral, pH 6.7, pH meter; gradual wavy boundary.; dry when described; observed in pit, small
    Bt2—47 to 61 centimeters (18.5 to 24.0 inches); dark brown (7.5YR 3/2) broken face, very dark brown (7.5YR 2.5/2) broken face, moist; clay; 45 percent clay; massive; very hard, very firm, very sticky, very plastic; slow permeability; 1.0 medium roots throughout and 1.0 fine roots throughout; 60 percent prominent very dark brown (7.5YR 2.5/2) clay films on rock fragments; fragments; neutral, pH 7.0, pH meter; gradual wavy boundary.; dry when described; observed in pit, small
    Bt3—61 to 73 centimeters (24.0 to 28.7 inches); dark brown (7.5YR 3/3) broken face, dark brown (7.5YR 3/2) broken face, moist; silty clay loam; 45 percent clay; weak fine subangular blocky structure; moderately hard, firm, very sticky, very plastic; slow permeability; 60 percent prominent very dark brown (7.5YR 2.5/2) clay films on all faces of peds; 10 percent by volume subangular 2-39-75 millimeter unspecified fragments; neutral, pH 6.7, pH meter; gradual wavy boundary.; dry when described; observed in pit, small
    Cr—73 to 75 centimeters (28.7 to 29.5 inches); strongly coherent; distinct clay films on rock fragments; 95 percent by volume subangular strongly coherent cemented andesite fragments.; dry when described; observed in auger, screw