IDENTIFIERS

  • Current Taxon Name (Soil Name): TRACOSA
  • OSD
  • Series Extent
  • User Site ID: S1978TX039095
  • User Pedon ID: S1978TX039095
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 79P0016
  • NCSS Pedon Lab Data NASIS Record ID - 46200
  • User Project ID: 9-ROS-FY2021-2022-MLRA-CZSS
  • Project Name: MLRA 150B - Texas Coastal Zone Soil Survey of West Galveston Bay
  • Print Date: 11/26/2024

    • 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: 29.0825000
  • Std. Longitude: -95.2000000
  • Datum: WGS84
  • Location Description: Brazoria County, Texas; about 15 miles east of Angleton; 4500 feet southwest along Intra-coastal Waterway from intersection of intracoastal waterway Bastrop Bayou, 1400 feet east along dredged channel, site is 600 feet south of channel bank.
  • State: Texas
  • County: TX039—Brazoria
  • MLRA: 150B—Gulf Coast Saline Prairies
  • Non-MLRA Soil Survey Area: TX039—Brazoria County, Texas

    • PEDON

  • Current Taxonomic Class: Fine-silty, montmorillonitic, nonacid Typic Haplaquents
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 95
  • Correlated Information:
  • Soil Name - TRACOSA
  • Classificaton Date - 6/25/2004
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Tracosa
  • Taxonomic Class - Fine, montmorillonitic, nonacid, hyperthermic Typi
  • Taxon Kind - series
  • Classificaton Date - 6/1/1978
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: saline clayey coastak sediments
  • Drainage Class: very poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1978 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    0.5

    —

    —

    0.3

    —

    —

    —

    —

    —

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    Ag1—0 to 10 centimeters (0.0 to 3.9 inches); dark gray (10YR 4/1) clay, muck; massive; slightly sticky; 21.0 fine and medium roots; fragments; slightly alkaline, pH 7.6, cresol red; clear smooth boundary. Lab sample # 79P00045
    Cg1—10 to 48 centimeters (3.9 to 18.9 inches); gray (10YR 5/1) clay; massive; firm, very sticky, very plastic; 3.0 fine roots; fragments; moderately alkaline, pH 8.2, cresol red; gradual smooth boundary. Lab sample # 79P00046
    Cg2—48 to 107 centimeters (18.9 to 42.1 inches); gray (10YR 5/1) clay; 3 percent brown (10YR 5/3) fine distinct mottles; massive; firm, very sticky, very plastic; fragments; moderately alkaline, pH 8.2, cresol red; gradual smooth boundary. Lab sample # 79P00047
    Cg3—107 to 157 centimeters (42.1 to 61.8 inches); gray (10YR 5/1) clay; 1 percent brown (10YR 5/3) fine distinct and 1 percent dark greenish gray (5BG 4/1) fine prominent mottles; massive; firm, very sticky, very plastic; fragments; moderately alkaline, pH 8.2, cresol red. Lab sample # 79P00048