IDENTIFIERS

  • Current Taxon Name (Soil Name): Dulles
  • OSD
  • Series Extent
  • User Site ID: S2000VA107019
  • User Pedon ID: S2000VA107019
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - LIMS
  • Lab Pedon # - 00P1078
  • NCSS Pedon Lab Data NASIS Record ID - 12571
  • 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: 38.9918330
  • Std. Longitude: -77.5061390
  • Datum: WGS84
  • Country: US—United States
  • State: Virginia
  • County: VA047—Culpeper
  • MLRA: 148—Northern Piedmont
  • Regional Office: SE—Southeast
  • MLRA Soil Survey Area: NE-FRE—Frederick, Maryland

    • PEDON

  • Describers Name: Soil Staff
  • Current Taxonomic Class: Fine, mesic Aquultic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Correlated Information:
  • Soil Name - Dulles
  • PSC - 15 to 65 cm.
  • Classificaton Date - 4/28/2014
  • Classifier - Soil Survey Staff
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Subclass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/15/2014 (entry creation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Ap

    Bt1

    Bt2

    Bt3

    C

    0

    15

    44

    70

    107

    15

    44

    70

    107

    110

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Ap

    Bt1

    Bt2

    Bt3

    C

    0

    15

    44

    70

    107

    15

    44

    70

    107

    110

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Ap

    Bt1

    Bt2

    Bt3

    C

    0

    15

    44

    70

    107

    15

    44

    70

    107

    110

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

    ochric epipedon

    argillic horizon

    0—15

    15—107

    —15—

    —92—
    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

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (7.5YR 4/4) silt loam; moderate fine granular structure; friable; common fine roots; fragments; very strongly acid, pH 4.7, unspecified; abrupt smooth boundary. Lab sample # 00P06350
    Bt1—15 to 44 centimeters (5.9 to 17.3 inches); strong brown (7.5YR 5/6) silty clay loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; firm, slightly sticky, slightly plastic; few fine roots; 30 percent clay films on all faces of peds; fragments; very strongly acid, pH 4.7, unspecified; clear smooth boundary. Lab sample # 00P06351
    Bt2—44 to 70 centimeters (17.3 to 27.6 inches); strong brown (7.5YR 5/6) silty clay loam; moderate fine subangular blocky structure; firm, slightly sticky, slightly plastic; few fine roots; 30 percent clay films on all faces of peds; 10 percent fine faint reddish yellow (7.5YR 6/6), moist, iron-manganese masses; fragments; very strongly acid, pH 4.7, unspecified; clear smooth boundary. Lab sample # 00P06352. discontinuous - phpvsfiid 1164701; discontinuous - phpvsfiid 1164701
    Bt3—70 to 107 centimeters (27.6 to 42.1 inches); strong brown (7.5YR 4/6) clay; weak coarse subangular blocky structure; firm, moderately sticky, moderately plastic; few fine roots; 30 percent clay films on all faces of peds; fragments; very strongly acid, pH 4.7, unspecified; clear smooth boundary. discontinuous - phpvsfiid 1164702; discontinuous - phpvsfiid 1164702
    C—107 to 110 centimeters (42.1 to 43.3 inches); strong brown (7.5YR 4/6) loam; 20 percent fine distinct reddish yellow (7.5YR 6/8), moist, and light brown (7.5YR 6/4), moist, iron-manganese masses; fragments; very strongly acid, pH 4.7, unspecified; abrupt smooth boundary.