IDENTIFIERS

  • Current Taxon Name (Soil Name): Katy
  • OSD
  • Series Extent
  • User Site ID: S1988TX201002
  • User Pedon ID: 88TX201002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0031
  • NCSS Pedon Lab Data NASIS Record ID - 61136
  • 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: 29.8191662
  • Std. Longitude: -95.6433334
  • Datum: WGS84
  • Location Description: Harris County, TX. S from US290 7.6 mi on TX Hwy 6, 190 meters N in pasture of farm and ranch club. UTM zone 15, 3301480mN, 244550mE. Fluvio-deltaic terrace on lissie (Pleistocene). Atlas sheet 77, Harris County Soil Survey.
  • State: Texas
  • County: TX201—Harris
  • MLRA: 150A—Gulf Coast Prairies

    • PEDON

  • Describers Name: J. Jacobs, G. Chervenka, J. Greenwade, L. Wilding,
  • Current Taxonomic Class: Fine-loamy, siliceous, active, thermic Aquic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Katy
  • PSC - 58 to 107 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Katy
  • Taxonomic Class - Fine-loamy, siliceous, thermic Typic Albaqualf
  • Taxon Kind - series
  • Classificaton Date - 9/1/1988
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Runoff: very low
  • Drainage Class: somewhat poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1988 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—58

    58—274

    —-

    —-
    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

    1

    —

    —

    31

    —

    132

    —

    —

    21

    28

    13

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) fine sandy loam; strong medium granular structure; soft; 5.5 fine and medium roots throughout; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # 89P00321. many fine and medium roots throughout
    A—10 to 36 centimeters (3.9 to 14.2 inches); dark grayish brown (10YR 4/2) fine sandy loam; weak coarse subangular blocky, and weak coarse platy structure; hard; 2.5 fine roots throughout; 0.5 fine pores; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # 89P00322. platy in upper part; common fine roots throughout
    E—36 to 56 centimeters (14.2 to 22.0 inches); yellowish brown (10YR 5/4) fine sandy loam; weak coarse subangular blocky structure; hard; 0.5 fine roots throughout; 2.5 fine and medium pores; fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # 89P00323. few fine roots throughout
    Btg1—56 to 84 centimeters (22.0 to 33.1 inches); 20 percent yellowish red (5YR 5/6) and 30 percent yellowish brown (10YR 5/6) and 50 percent light brownish gray (10YR 6/2) clay loam; moderate medium prismatic, and moderate fine and medium angular blocky structure; very firm; 2.5 fine roots throughout; 0.5 fine pores; prominent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds and distinct light gray (10YR 7/2), moist, skeletans on vertical faces of peds; 1 percent fine ironstone nodules; fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # 89P00324. silt sand coats mostly on upper shoulders of structural units, roots concentrated along ped faces; few fine ironstone nodules concentrations; common fine roots throughout; continuous - phpvsfiid 232852; patchy - phpvsfiid 232853; continuous - phpvsfiid 232852; patchy - phpvsfiid 232853
    Btg2—84 to 119 centimeters (33.1 to 46.9 inches); 10 percent reddish yellow (5YR 6/6) and 25 percent brownish yellow (10YR 6/6) and 65 percent light brownish gray (2.5Y 6/2) clay loam; moderate coarse prismatic, and moderate medium angular blocky structure; very firm; 0.5 fine roots throughout; 0.5 fine pores; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds and distinct , moist, skeletans on vertical faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 89P00325. silt-sand coats mostly on upper shoulders of structural units, roots concentrated along ped faces; few fine roots throughout; discontinuous - phpvsfiid 232855; continuous - phpvsfiid 232854; discontinuous - phpvsfiid 232855; continuous - phpvsfiid 232854
    Btg3—119 to 170 centimeters (46.9 to 66.9 inches); 15 percent brownish yellow (10YR 6/6) and 5 percent reddish yellow (5YR 6/6) and 80 percent light brownish gray (2.5Y 6/2) clay loam; moderate coarse prismatic, and moderate medium angular blocky structure; very firm; 0.5 fine roots throughout; 0.5 fine pores; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds and prominent light gray (10YR 7/2), moist, skeletans on vertical faces of peds and 2 percent prominent , moist, manganese or iron-manganese stains on vertical faces of peds; fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary. Lab sample # 89P00326. roots concentrated along ped faces; very few manganese or iron-manganese stains surface features on vertical faces of peds; few fine roots throughout; discontinuous - phpvsfiid 232858; continuous - phpvsfiid 232856; continuous - phpvsfiid 232857; discontinuous - phpvsfiid 232858; continuous - phpvsfiid 232856; continuous - phpvsfiid 232857
    Btg4—170 to 206 centimeters (66.9 to 81.1 inches); light brownish gray (2.5Y 6/2) clay loam; 11 percent brownish yellow (10YR 6/6) medium prominent mottles; moderate coarse prismatic, and moderate medium angular blocky structure; 0.5 fine roots throughout; 0.5 fine pores; distinct light brownish gray (2.5Y 6/2), moist, clay films on all faces of peds and distinct light gray (10YR 7/2), moist, skeletans on vertical faces of peds; fragments; slightly alkaline, pH 7.5, hellige-truog; gradual smooth boundary. Lab sample # 89P00327. roots concentrated along ped faces; few fine roots throughout; common medium prominent 10YR66 mottles; continuous - phpvsfiid 232859; continuous - phpvsfiid 232860; continuous - phpvsfiid 232859; continuous - phpvsfiid 232860
    Btgk—206 to 274 centimeters (81.1 to 107.9 inches); light brownish gray (2.5Y 6/2) sandy clay loam; 1 percent brownish yellow (10YR 6/8) fine prominent mottles; weak coarse subangular blocky structure; 1 percent fine spherical lime masses; fragments; strong effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # 89P00328. few fine soft masses of lime concentrations; few fine prominent 10YR68 mottles
    Bcg—274 to 345 centimeters (107.9 to 135.8 inches); light brownish gray (2.5Y 6/2) sandy clay loam; 1 percent brownish yellow (10YR 6/8) fine prominent mottles; weak coarse subangular blocky structure; fragments; gradual smooth boundary. Lab sample # 89P00329. few fine prominent 10YR68 mottles
    Cg1—345 to 419 centimeters (135.8 to 165.0 inches); light brownish gray (2.5Y 6/2) fine sandy loam; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; fragments; gradual smooth boundary. Lab sample # 89P00330. few fine distinct 10YR56 mottles
    Cg2—419 to 500 centimeters (165.0 to 196.9 inches); light brownish gray (2.5Y 6/2) loamy fine sand; fragments; abrupt smooth boundary. Lab sample # 89P00331
    2C—500 to 559 centimeters (196.9 to 220.1 inches); yellowish red (5YR 5/6) clay; 30 percent light olive gray (5Y 6/2) coarse prominent mottles; 15 percent prominent , moist, manganese or iron-manganese stains and 15 percent , moist, slickensides (pedogenic); fragments; clear smooth boundary. Lab sample # 89P00332. MnO2 stains along crack faces; few manganese or iron-manganese stains surface features; few intersecting slickensides surface features; many coarse prominent 5Y62 mottles; discontinuous - phpvsfiid 232861; discontinuous - phpvsfiid 232861
    2Ck—559 to 610 centimeters (220.1 to 240.2 inches); yellowish red (5YR 5/6) clay; 30 percent light olive gray (5Y 6/2) coarse prominent mottles; 15 percent prominent , moist, manganese or iron-manganese stains and 15 percent , moist, slickensides (pedogenic); fragments; strong effervescence, by hcl, 1n. Lab sample # 89P00333. MnO2 stains along crack faces; few manganese or iron-manganese stains surface features; few intersecting slickensides surface features; many coarse prominent 5Y62 mottles; effervescence is continuous; discontinuous - phpvsfiid 223703; discontinuous - phpvsfiid 223703