IDENTIFIERS

  • Current Taxon Name (Soil Name): Wequetequock
  • OSD
  • Series Extent
  • User Site ID: S2005CT011006
  • User Pedon ID: S2005CT011006
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 06N0404
  • NCSS Pedon Lab Data NASIS Record ID - 17642
  • Print Date: 3/13/2025
  • 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: 41.3435000
  • Std. Longitude: -71.8839666
  • Datum: WGS84
  • Location Description: New London County, Town of Stonington, fluvial channel area, water depth of approximately 4.0 feet, in Little Narragansett Bay. Salinity 30% Water Temp 66.9F Tide coming in Waypoint 185
  • Map Unit: 800—Wequetequock mucky silt loam, 0 to 2 meter water depth
  • Country: US—United States
  • State: Connecticut
  • County: CT011—New London
  • MLRA: 144A—New England and Eastern New York Upland, Southern Part
  • Regional Office: NE—Northeast
  • Non-MLRA Soil Survey Area: CT600—State of Connecticut
  • 7.5 Minute USGS Quad: 41071-C7—Watch Hill, Connecticut
  • PEDON

  • Describers Name: D. Parizek, S. McVey, C. Morgan
  • Current Taxonomic Class: Coarse-loamy, mixed, active, nonacid, mesic Fluventic Sulfiwassents
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Wequetequock (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/12/2013
  • Classifier - Marissa Theve
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - peraquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Wequetequock
  • Classificaton Date - 9/28/2005
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: not reviewed


  • SITE

  • Parent Material: marine deposits
  • Landform: fluviomarine bottom
  • Drainage Class: subaqueous
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/28/2005 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - water cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 32
  • 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 % % % % % % % % % % % % %

    Ase

    ACse

    Cse1

    Cse2

    2Oaseb

    0

    15

    40

    60

    105

    0

    0

    0

    0

    2

    2

    1

    1

    1

    60

    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

    Ase

    ACse

    Cse1

    Cse2

    2Oaseb

    0

    15

    40

    60

    105

    4.7

    4.9

    4

    2.6

    6.6

    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 %

    Ase

    ACse

    Cse1

    Cse2

    2Oaseb

    0

    15

    40

    60

    105

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

    aquic conditions

    reduced matrix

    sulfidic materials

    lithologic discontinuity

    0—150

    0—105

    40—105

    105—150

    —-

    —-

    —-

    —-

    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

    0

    Ase—0 to 15 centimeters (0.0 to 5.9 inches); black (N 2.5/0) reduced silt loam; massive; very friable, nonsticky, nonplastic; very fluid; fragments; 3 N-Value of Manner of Failure; sulfurous odor; slightly acid, pH 6.3, pH meter smooth boundary. Lab sample # 06N01474; very moist when described; observed in auger, bucket
    ACse—15 to 40 centimeters (5.9 to 15.7 inches); black (N 2.5/0) reduced silt loam; massive; very friable, nonsticky, nonplastic; very fluid; fragments; 2.5 N-Value of Manner of Failure; sulfurous odor; very strongly acid, pH 4.9, pH meter smooth boundary. Lab sample # 06N01475; very moist when described; observed in auger, bucket
    Cse1—40 to 60 centimeters (15.7 to 23.6 inches); very dark gray (2.5Y 3/1) reduced silt loam; massive; loose, nonsticky, nonplastic; moderately fluid; fragments; 1.5 N-Value of Manner of Failure; sulfurous odor; very strongly acid, pH 4.9, pH meter smooth boundary. Lab sample # 06N01476; very moist when described; observed in auger, bucket
    Cse2—60 to 105 centimeters (23.6 to 41.3 inches); very dark gray (2.5Y 3/1) reduced sandy loam; massive; friable, nonsticky, nonplastic; moderately fluid; 6 percent by volume nonflat subrounded 2-3-5 millimeter mixed fragments; 1.5 N-Value of Manner of Failure; sulfurous odor; ultra acid, pH 3.1, pH meter smooth boundary. Lab sample # 06N01477; very moist when described; observed in auger, bucket
    2Oaseb—105 to 150 centimeters (41.3 to 59.1 inches); dark brown (7.5YR 3/3) rubbed and very dark gray (10YR 3/1) broken face muck; massive; very friable, nonsticky, nonplastic; very fluid; fragments; 3 N-Value of Manner of Failure; sulfurous odor; neutral, pH 6.6, pH meter. Lab sample # 06N01478; very moist when described; observed in auger, bucket