IDENTIFIERS

  • Current Taxon Name (Soil Name): Pledger
  • OSD
  • Series Extent
  • User Site ID: S1998TX039003
  • User Pedon ID: 98TX039003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 98P0580
  • NCSS Pedon Lab Data NASIS Record ID - 10850
  • Print Date: 12/4/2024

    • 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: 29.1188717
  • Std. Longitude: -95.7813568
  • Datum: WGS84
  • State: Texas
  • County: TX039—Brazoria
  • Non-MLRA Soil Survey Area: TX039—Brazoria County, Texas

    • PEDON

  • Current Taxonomic Class: Very-fine, smectitic, hyperthermic Typic Hapluderts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Pledger (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/19/2015
  • Classifier - Jon Wiedenfeld
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SND-LOW
  • Taxonomic Class - Very-fine, smectitic Oxyaquic Hapluderts
  • Classificaton Date - 8/6/1998
  • Moisture Class - udic
  • 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: 8/6/1998 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • 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

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    A1—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1), black (10YR 2/1), dry; clay; moderate fine subangular blocky structure; extremely hard, extremely firm, very sticky, very plastic; 3.0 fine and medium roots; 21.0 very fine tubular and 2.0 fine tubular pores; 1 percent very fine prominent strong brown (7.5YR 5/6) masses of oxidized iron with sharp boundaries lining pores; fragments; neutral, pH 7.0, pH meter; clear smooth boundary. Lab sample # 98P03449
    A2—20 to 44 centimeters (7.9 to 17.3 inches); black (10YR 2/1), black (10YR 2/1), dry; clay; moderate fine and medium subangular blocky structure; extremely hard, extremely firm, very sticky, very plastic; 3.0 fine and medium roots; 21.0 very fine and 0.5 fine pores; 1 percent very fine prominent strong brown (7.5YR 5/6) masses of oxidized iron with sharp boundaries lining pores; fragments; neutral, pH 6.6, pH meter; clear smooth boundary. Lab sample # 98P03450
    Bss1—44 to 88 centimeters (17.3 to 34.6 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; clay; moderate medium wedge parts to moderate medium subangular blocky structure; extremely hard, extremely firm, very sticky, very plastic; 0.5 medium roots and 3.0 fine roots; 21.0 very fine tubular and 0.5 fine tubular pores; 15 percent distinct slickensides (pedogenic); 1 percent very fine prominent strong brown (7.5YR 5/6) masses of oxidized iron with sharp boundaries lining pores; fragments; neutral, pH 7.2, pH meter; gradual smooth boundary. Lab sample # 98P03451. wedge-shaped peds tilted at 35 to 45 degrees to the horizontal
    Bss2—88 to 133 centimeters (34.6 to 52.4 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; clay; moderate medium wedge parts to moderate medium angular blocky structure; extremely hard, extremely firm, very sticky, very plastic; 0.5 fine and medium roots; 3.0 very fine tubular and 0.5 fine tubular pores; 25 percent distinct pressure faces and 25 percent prominent slickensides (pedogenic); 1 percent very fine prominent strong brown (7.5YR 5/6) masses of oxidized iron with sharp boundaries lining pores; fragments; slightly alkaline, pH 7.6, pH meter; gradual wavy boundary. Lab sample # 98P03452. wedge-shaped peds tilted at 40 to 45 degrees to the horizontal
    Bkss1—133 to 171 centimeters (52.4 to 67.3 inches); yellowish red (5YR 4/6), yellowish red (5YR 5/6), dry; silty clay; moderate medium wedge parts to moderate medium angular blocky structure; extremely hard, extremely firm, very sticky, very plastic; 0.5 fine roots; 3.0 very fine tubular and 0.5 fine tubular pores; 25 percent prominent pressure faces and 50 percent slickensides (pedogenic); 1 percent fine and medium distinct strong brown (7.5YR 5/8) masses of oxidized iron with clear boundaries on faces of peds and 2 percent fine distinct grayish brown (10YR 5/2) iron depletions with clear boundaries on slickensides; 2 percent fine carbonate nodules; fragments; strong effervescence; slightly alkaline, pH 7.7, pH meter; gradual wavy boundary. Lab sample # 98P03453. wedge shaped peds tilted at 50 to 60 degrees to the horizontal
    Bkss2—171 to 182 centimeters (67.3 to 71.7 inches); yellowish red (5YR 4/6), yellowish red (5YR 5/6), dry; clay; moderate medium wedge parts to moderate medium angular blocky structure; extremely hard, extremely firm, very sticky, very plastic; 0.5 fine roots; 3.0 very fine tubular and 0.5 fine tubular pores; 10 percent prominent pressure faces and 30 percent prominent slickensides (pedogenic); 1 percent fine and medium prominent gray (10YR 6/1) iron depletions with clear boundaries on slickensides and 1 percent fine and medium black (7.5YR 2.5/1) iron-manganese nodules; 2 percent fine carbonate nodules; fragments; strong effervescence; slightly alkaline, pH 7.7, pH meter; gradual wavy boundary. Lab sample # 98P03454. wedge-shaped peds tilted at 50 to 60 degrees to the horizontal
    Bkss3—182 to 220 centimeters (71.7 to 86.6 inches); red (2.5YR 4/6), red (2.5YR 5/6), dry; silty clay; moderate medium wedge parts to moderate medium angular blocky structure; extremely hard, extremely firm, very sticky, very plastic; 0.5 fine roots; 3.0 very fine tubular and 0.5 fine tubular pores; 10 percent distinct pressure faces and 25 percent prominent slickensides (pedogenic); 1 percent fine and medium prominent gray (10YR 6/1) iron depletions with clear boundaries on slickensides and 1 percent fine and medium black (7.5YR 2.5/1) iron-manganese nodules and 1 percent fine and medium prominent black (10YR 2/1) iron-manganese masses with clear boundaries lining pores; 1 percent fine carbonate nodules; fragments; strong effervescence; slightly alkaline, pH 7.7, pH meter; gradual smooth boundary. Lab sample # 98P03455. wedge-shaped peds tilted at 50 to 60 degrees to the horizontal
    Bk1—220 to 265 centimeters (86.6 to 104.3 inches); red (2.5YR 4/6), red (2.5YR 5/6), dry; silty clay; massive; extremely hard, extremely firm, very sticky, very plastic; 3.0 very fine tubular and 0.5 fine tubular pores; fragments; strong effervescence; slightly alkaline, pH 7.7, pH meter; clear smooth boundary. Lab sample # 98P03456. Few fine threads of calcium carbonate lining pores; few crayfish krotovinas; few fine weakly cemented iron-manganese nodules with diffuse boundaries; 1 percent fine prominent black (10YR 2/1) masses of manganese with diffuse boundaries lining pores; 3 percent fine and 1 percent medium prominent brown (7.5YR 5/2) iron depletions with clear boundaries lining pores.
    Bk2—265 to 304 centimeters (104.3 to 119.7 inches); yellowish red (5YR 4/6), reddish yellow (5YR 6/6), dry; silty clay; massive; extremely hard, extremely firm, very sticky, very plastic; 1.0 very fine tubular and 0.5 fine tubular pores; fragments; strong effervescence; slightly alkaline, pH 7.7, pH meter; clear smooth boundary. Lab sample # 98P03457. One percent fine weakly cemented iron-manganese nodules with diffuse boundaries; 1 percent fine prominent black (10YR 2/1) masses of manganese with diffuse boundaries lining pores; 1 percent fine and 1 percent medium prominent brown (7.5YR 5/2) iron depletions with clear boundaries lining pores.
    2BC1—304 to 345 centimeters (119.7 to 135.8 inches); brown (7.5YR 5/4), pale red (7.5R 6/4), dry; loam; massive; very hard, very firm, very sticky, slightly plastic; 1.0 very fine tubular and 0.5 fine tubular pores; fragments; strong effervescence; slightly alkaline, pH 7.8, pH meter; clear smooth boundary. Lab sample # 98P03458. One percent fine weakly cemented iron-manganese nodules with diffuse boundaries; 1 percent fine prominent black (10YR 2/1) masses of manganese with diffuse boundaries as linings of pores; 3 percent fine and 1 percent medium distinct light brownish gray (10YR 6/2) iron depletions within the matrix and pore linings.
    2BC2—345 to 365 centimeters (135.8 to 143.7 inches); brown (7.5YR 5/4), pale red (7.5R 6/4), dry; very fine sandy loam; massive; slightly hard, friable, nonsticky, nonplastic; 1.0 very fine tubular and 0.5 fine tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.0, pH meter. Lab sample # 98P03459. Few fine weakly cemented iron-manganese nodules with diffuse boundaries; 1 percent fine distinct black (10YR 2/1) masses of manganese with diffuse boundaries linings pores; 5 percent fine and 1 percent medium distinct light brownish gray (10YR 6/2) iron depletions with clear boundaries within the matrix and pore linings.