IDENTIFIERS

  • Current Taxon Name (Soil Name): Brazoria
  • OSD
  • Series Extent
  • User Site ID: S2010TX1573010
  • User Pedon ID: S10TX1573010
  • Vegetation Plot ID: S2010TX1573010
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 10N0974
  • NCSS Pedon Lab Data NASIS Record ID - 43225
  • Print Date: 11/21/2024

    • 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: 29.5088882
  • Std. Longitude: -95.6299438
  • Datum: WGS84
  • Country: US—United States
  • State: Texas
  • County: TX157—Fort Bend
  • MLRA: 150A—Gulf Coast Prairies
  • Non-MLRA Soil Survey Area: TX157—Fort Bend County, Texas

    • PEDON

  • Describers Name: Stacey Kloesel
  • Current Taxonomic Class: Very-fine, mixed, hyperthermic Chromic Hapluderts
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Brazoria
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/2/2014
  • Classifier - Cody Langston
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Brazoria
  • Taxonomic Class - Very-fine, hyperthermic Hapluderts
  • PSC - 25 to 102 cm.
  • Classificaton Date - 3/31/2010
  • Soil Taxonomic Edition - tenth edition
  • Moisture SUBClass - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: moderately weathered, clayey fluviomarine deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: coastal plain
  • Landform: river valley, terrace
  • Microfeature: gilgai
  • Geomorphic Component Terraces: tread
  • Geomorphic Component Flats: talf
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Alluvium formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/31/2010 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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
    • 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 % % % % % % % % % % % % %

    A

    Bk1

    Bk2

    Bkss1

    Bkss2

    Bkss3

    Bkssy1

    Bkssy2

    0

    13

    39

    64

    114

    134

    155

    179

    13

    39

    64

    114

    134

    155

    179

    203

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    74

    75.9

    76

    75.6

    76.9

    79.9

    73.8

    73.5

    —

    —

    —

    —

    —

    —

    —

    —

    22.8

    24.1

    22.8

    22.7

    23.1

    20.1

    24.9

    24.8

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    3.2

    0

    1.2

    1.7

    0

    0

    1.3

    1.7

    —

    —

    —

    —

    —

    —

    —

    —

    0

    0

    0

    0

    0

    0

    0

    0

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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

    A

    Bk1

    Bk2

    Bkss1

    Bkss2

    Bkss3

    Bkssy1

    Bkssy2

    0

    13

    39

    64

    114

    134

    155

    179

    13

    39

    64

    114

    134

    155

    179

    203

    —

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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 %

    A

    Bk1

    Bk2

    Bkss1

    Bkss2

    Bkss3

    Bkssy1

    Bkssy2

    0

    13

    39

    64

    114

    134

    155

    179

    13

    39

    64

    114

    134

    155

    179

    203

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    1.3

    1

    1

    1.1

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    2.7

    3

    2.3

    5.6

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ACFA

    ALLIU

    RUBUS

    SABAL

    TRIFO

    ULMUS

    Acacia farnesiana

    Allium

    Rubus

    Sabal

    Trifolium

    Ulmus

    aroma

    onion

    blackberry

    palmetto

    clover

    elm

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

    mollic epipedon

    slickensides

    secondary carbonates

    gypsum accumulations

    0—114

    39—203

    39—203

    155—203

    —114—

    —164—

    —164—

    —48—
    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

    0.2

    —

    —

    —

    —

    180

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    A—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (7.5YR 3/2) clay; moderate medium subangular blocky structure; firm; 8.0 very fine roots and 3.0 fine roots; 3.0 very fine pores; 1 percent dark brown (7.5YR 3/2), moist, worm casts with clear boundaries in matrix and 1 percent fine reddish yellow (7.5YR 6/6), moist, carbonate nodules with sharp boundaries in matrix; fragments; strong effervescence, by hcl, 1n; clear irregular boundary.; moist when described; observed in pit, large or quarry
    Bk1—13 to 39 centimeters (5.1 to 15.4 inches); dark reddish brown (5YR 3/3) clay; moderate medium subangular blocky structure; firm; 5.0 very fine roots; 1 percent fine black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries in matrix; 1 percent fine reddish yellow (7.5YR 6/6), moist, carbonate nodules with sharp boundaries in matrix; fragments; slight effervescence, by hcl, 1n; gradual irregular boundary.; moist when described; observed in pit, large or quarry
    Bk2—39 to 64 centimeters (15.4 to 25.2 inches); dark reddish brown (5YR 3/3) clay; moderate coarse subangular blocky structure; firm; 3.0 very fine roots; 1.0 very fine tubular pores; 5 percent slickensides (pedogenic); 1 percent fine black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries in matrix; 3 percent fine reddish yellow (5YR 6/6), moist, and carbonate masses in matrix and 1 percent fine reddish yellow (5YR 6/6), moist, carbonate nodules in matrix; fragments; strong effervescence, by hcl, 1n; gradual irregular boundary.; moist when described; observed in pit, large or quarry
    Bkss1—64 to 114 centimeters (25.2 to 44.9 inches); dark reddish brown (5YR 3/3) clay; moderate coarse wedge parts to moderate coarse angular blocky structure; firm; 2.0 very fine roots; 3.0 very fine tubular pores; 25 percent slickensides (pedogenic); 1 percent fine black (10YR 2/1), moist, manganese masses with sharp boundaries in matrix and 1 percent fine black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries in matrix; 1 percent fine white (10YR 8/1), moist, carbonate nodules in matrix and 1 percent fine reddish brown (5YR 5/3), moist, carbonate masses in matrix; fragments; strong effervescence, by hcl, 1n; clear irregular boundary.; moist when described; observed in pit, large or quarry
    Bkss2—114 to 134 centimeters (44.9 to 52.8 inches); reddish brown (2.5YR 4/3) clay; strong coarse wedge parts to strong coarse angular blocky structure; firm; 2.0 very fine roots; 2.0 very fine pores; 35 percent slickensides (pedogenic); 1 percent fine black (10YR 2/1), moist, manganese masses with sharp boundaries lining pores and 1 percent fine black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries; 1 percent fine white (10YR 8/1), moist, carbonate nodules in matrix; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary.; moist when described; observed in pit, large or quarry
    Bkss3—134 to 155 centimeters (52.8 to 61.0 inches); reddish brown (2.5YR 4/4) clay; strong coarse wedge parts to strong coarse angular blocky structure; very firm; 1.0 very fine roots; 2.0 very fine tubular pores; 35 percent slickensides (pedogenic); 1 percent fine black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries in matrix and 2 percent medium dark reddish gray (5YR 4/2), moist, iron depletions with sharp boundaries on slickensides; 1 percent fine white (10YR 8/1), moist, carbonate nodules and 1 percent fine white (10YR 8/1), moist, carbonate masses; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary.; very moist when described; observed in pit, large or quarry
    Bkssy1—155 to 179 centimeters (61.0 to 70.5 inches); reddish brown (2.5YR 4/3) clay; strong coarse wedge parts to strong coarse angular blocky structure; very firm; 1.0 very fine roots; 2.0 very fine tubular pores; 35 percent slickensides (pedogenic); 1 percent fine dark reddish gray (5YR 4/2), moist, iron depletions with sharp boundaries on slickensides and 1 percent fine black (10YR 2/1), moist, manganese masses with sharp boundaries on slickensides and 2 percent fine black (10YR 2/1), moist, iron-manganese nodules with sharp boundaries in matrix and 20 percent coarse reddish brown (2.5YR 4/4), moist, masses of oxidized iron with clear boundaries in matrix; 3 percent fine white (10YR 8/1), moist, gypsum crystals, unspecified with sharp boundaries on slickensides and 2 percent fine white (10YR 8/1), moist, carbonate nodules with sharp boundaries in matrix; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary.; moist when described; observed in pit, large or quarry
    Bkssy2—179 to 203 centimeters (70.5 to 79.9 inches); reddish brown (2.5YR 4/3) clay; moderate coarse wedge parts to moderate medium prismatic structure; very firm; 1.0 very fine roots; 4.0 very fine tubular pores; 25 percent slickensides (pedogenic); 1 percent fine gray (10YR 5/1), moist, iron depletions with sharp boundaries in matrix and 1 percent fine black (10YR 2/1), moist, manganese masses with sharp boundaries on slickensides and 2 percent medium black (10YR 2/1), moist, manganese masses with sharp boundaries lining pores; 2 percent fine white (10YR 8/1), moist, gypsum crystals, unspecified with sharp boundaries on slickensides and 3 percent fine white (10YR 8/1), moist, carbonate masses with sharp boundaries in matrix; fragments; strong effervescence, by hcl, 1n.; moist when described; observed in pit, large or quarry