IDENTIFIERS

  • Current Taxon Name (Soil Name): Tatlum
  • OSD
  • Series Extent
  • User Site ID: S1978TX039096
  • User Pedon ID: S1978TX039096
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 79P0017
  • NCSS Pedon Lab Data NASIS Record ID - 46201
  • User Project ID: 9-ROS-FY2021-2022-MLRA-CZSS
  • Project Name: MLRA 150B - Texas Coastal Zone Soil Survey of West Galveston Bay
  • Print Date: 4/26/2025

    • 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: 29.0758333
  • Std. Longitude: -95.1541667
  • Datum: WGS84
  • Location Description: Brazoria County, Texas; about 12 miles east of Freeport; from the intersection of Cold Pass and Churchill Bayou on Follets Island, go across Cold Pass at a compass heading of 20 degrees, site is 60 feet north of the bank of Cold Pass.
  • 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-loamy, mixed, superactive, nonacid, hyperthermic Typic Hydraquents
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 96
  • Correlated Information:
  • Soil Name - Tatlum
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/24/2015
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tatlum
  • Taxonomic Class - Fine-silty, mixed, nonacid, hyperthermic Typic Hyd
  • Taxon Kind - series
  • Classificaton Date - 6/1/1978
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: saline loamy coastal 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:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - marshland
  • 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

    —

    —

    0.2

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —

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    —
    Ag—0 to 46 centimeters (0.0 to 18.1 inches); gray (10YR 5/1), gray (10YR 6/1), dry; clay loam; 3 percent dark yellowish brown (10YR 4/4) medium distinct mottles; massive; slightly sticky; 3.0 fine and medium roots; fragments; moderately alkaline, pH 8.2, cresol red; clear smooth boundary. Lab sample # 79P00049
    Cg1—46 to 71 centimeters (18.1 to 28.0 inches); gray (10YR 5/1) clay loam; massive; slightly sticky; fragments; moderately alkaline, pH 8.2, cresol red; gradual smooth boundary. Lab sample # 79P00050
    Cg2—71 to 107 centimeters (28.0 to 42.1 inches); gray (10YR 5/1) clay loam; 3 percent gray (N 5/ medium faint mottles; massive; firm; fragments; moderately alkaline, pH 8.2, cresol red; gradual smooth boundary. Lab sample # 79P00051
    Cg3—107 to 152 centimeters (42.1 to 59.8 inches); gray (N 5/), clay loam; 3 percent strong brown (7.5YR 5/8) medium distinct and 21 percent grayish brown (10YR 5/2) medium distinct mottles; massive; firm, slightly sticky, slightly plastic; fragments; moderately alkaline, pH 8.2, cresol red. Lab sample # 79P00052