IDENTIFIERS

  • Current Taxon Name (Soil Name): Gessner
  • OSD
  • Series Extent
  • User Site ID: S2009TX2012533
  • User Pedon ID: S09TX2012533
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0620
  • NCSS Pedon Lab Data NASIS Record ID - 41212
  • User Project ID: 9-ROS-2018-10
  • Project Name: MLRA 150A - Gessner fine sandy loam, 0 to 1 percent slopes, ponded
  • Print Date: 11/12/2024

    • 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: 29.9121666
  • Std. Longitude: -95.8566360
  • Datum: WGS84
  • Map Unit: Ge—Gessner loam, 0 to 1 percent slopes, frequently ponded
  • Country: US—United States
  • State: Texas
  • County: TX201—Harris
  • MLRA: 150A—Gulf Coast Prairies
  • Non-MLRA Soil Survey Area: TX201—Harris County, Texas

    • PEDON

  • Describers Name: Jon Wiedenfeld
  • Current Taxonomic Class: Fine-loamy, siliceous, active, hyperthermic Typic Vermaqualfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2533
  • Correlated Information:
  • Soil Name - Gessner
  • PSC - 72 to 122 cm.
  • Classificaton Date - 7/7/2017
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Warrenlake
  • Taxonomic Class - Fine-loamy, siliceous, active, hyperthermic Vermic Natraqualfs
  • Taxon Kind - series
  • PSC - 72 to 122 cm.
  • Classificaton Date - 11/19/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: loamy fluviomarine deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: coastal plain
  • Landform: flat
  • Anthropogenic Feature: leveled land
  • Geomorphic Component Flats: dip
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Lissie formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/19/2009 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    natric

    —

    72 - 172

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

    redox concentrations

    aquic conditions

    argillic horizon

    13—203

    13—102

    51—72

    —-

    —-

    —-
    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

    0.1

    —

    —

    50.3

    —

    135

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); grayish brown (10YR 5/2) silt loam; weak fine subangular blocky structure; hard, friable; 6.0 very fine roots; 6.0 very fine and fine interstitial and 5.0 very fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 10N02794; moist when described; observed in pit, small
    A—13 to 30 centimeters (5.1 to 11.8 inches); grayish brown (10YR 5/2) silt loam; weak medium subangular blocky structure; hard, friable; 5.0 very fine roots; 5.0 very fine tubular pores; 5 percent fine distinct strong brown (7.5YR 4/6) masses of oxidized iron with sharp boundaries lining pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 10N02795; moist when described; observed in pit, small
    Bw1—30 to 51 centimeters (11.8 to 20.1 inches); 55 percent grayish brown (10YR 5/2) and 30 percent gray (10YR 6/1) silt loam; weak coarse subangular blocky structure; hard, friable; 4.0 very fine roots; 5.0 very fine tubular pores; 5 percent medium prominent brownish yellow (10YR 6/8) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations and 10 percent fine prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries lining pores; fragments; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 10N02796; moist when described; observed in pit, small
    Bw2—51 to 72 centimeters (20.1 to 28.3 inches); light brownish gray (10YR 6/2) silt loam; weak coarse prismatic parts to weak coarse subangular blocky structure; very hard, firm; 4.0 very fine roots; 6.0 very fine tubular and 5.0 fine vesicular pores; 15 percent distinct gray (10YR 5/1) clay films on all faces of peds; 5 percent fine prominent brownish yellow (10YR 6/8) masses of oxidized iron with clear boundaries in matrix surrounding redox concentrations and 5 percent medium prominent brownish yellow (10YR 6/6) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations and 8 percent fine prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries lining pores; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N02797; slightly moist when described; observed in pit, small
    Bty1—72 to 102 centimeters (28.3 to 40.2 inches); light brownish gray (10YR 6/2) silt loam; moderate coarse prismatic parts to moderate coarse subangular blocky structure; very hard, very firm; 2.0 very fine roots; 3.0 very fine tubular and 6.0 fine vesicular pores; 20 percent distinct gray (10YR 5/1) clay films on all faces of peds; 1 percent fine prominent black (7.5YR 2.5/1) iron-manganese masses with sharp boundaries in matrix and 2 percent medium prominent strong brown (7.5YR 5/8) masses of oxidized iron with clear boundaries in matrix surrounding redox concentrations and 3 percent medium prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries lining pores; 2 percent very fine threadlike white (5Y 8/1) salt masses; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N02798; slightly dry when described; observed in pit, small
    Bty2—102 to 127 centimeters (40.2 to 50.0 inches); gray (10YR 5/1) silt loam; strong coarse prismatic parts to strong coarse angular blocky structure; very hard, very firm; 1.0 very fine roots; 1.0 very fine tubular pores; 30 percent prominent gray (10YR 5/1) clay films on all faces of peds; 2 percent medium prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries lining pores and 3 percent coarse prominent strong brown (7.5YR 5/8) masses of oxidized iron with clear boundaries in matrix surrounding redox concentrations and 3 percent medium prominent brownish yellow (10YR 6/6) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations; 5 percent very fine threadlike white (5Y 8/1) salt masses; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N02799; slightly dry when described; observed in pit, small
    Bty3—127 to 172 centimeters (50.0 to 67.7 inches); gray (2.5Y 5/1) silty clay loam; strong very coarse prismatic parts to strong very coarse angular blocky structure; very hard, very firm; 1.0 very fine roots; 3.0 very fine tubular pores; 35 percent prominent gray (2.5Y 5/1) clay films on all faces of peds; 1 percent fine prominent black (7.5YR 2.5/1) iron-manganese masses with sharp boundaries in matrix and 3 percent medium prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries lining pores and 5 percent medium prominent brownish yellow (10YR 6/6) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations and 5 percent coarse prominent strong brown (7.5YR 5/8) masses of oxidized iron with clear boundaries in matrix surrounding redox concentrations; 3 percent very fine threadlike white (5Y 8/1) salt masses; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N02800; slightly dry when described; observed in pit, small
    B't—172 to 203 centimeters (67.7 to 79.9 inches); light gray (2.5Y 7/2) silt loam; moderate very coarse prismatic parts to moderate very coarse angular blocky structure; hard, friable; 1.0 very fine roots; 1.0 very fine tubular pores; 25 percent distinct light gray (2.5Y 7/2) clay films on all faces of peds; 2 percent coarse prominent black (7.5YR 2.5/1) iron-manganese masses with sharp boundaries in matrix and 5 percent medium prominent brownish yellow (10YR 6/8) masses of oxidized iron with clear boundaries in matrix surrounding redox concentrations and 10 percent coarse prominent strong brown (7.5YR 5/6) masses of oxidized iron with sharp boundaries lining pores; 1 percent very fine threadlike white (5Y 8/1) salt masses; fragments; noneffervescent, by hcl, 1n. Lab sample # 10N02801; slightly dry when described; observed in pit, small