IDENTIFIERS

  • Current Taxon Name (Soil Name): Comitas
  • OSD
  • Series Extent
  • User Site ID: S2001-TX505-004
  • User Pedon ID: S2001TX505004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 02N0639
  • NCSS Pedon Lab Data NASIS Record ID - 14256
  • Print Date: 11/23/2024

    • 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: 26.9713326
  • Std. Longitude: -99.3124161
  • Datum: WGS84
  • Location Description: From the intersection of US highway 83 and Texas state highway 16 in Zapata, Tx., 5.5 miles north on US highway 83, 2.5 miles east on private ranch road, 200 feet north in rangeland.
  • Country: US—United States
  • State: Texas
  • County: TX505—Zapata
  • MLRA: 83B—Western Rio Grande Plain
  • Non-MLRA Soil Survey Area: TX505—Zapata County, Texas
  • 7.5 Minute USGS Quad: 26099-H3—Zapata, Texas

    • PEDON

  • Describers Name: Ramiro Molina, Nathan Haile, Alan Stahnke, Maurice Jurena, Shanna Dunn, Paul Holland
  • Current Taxonomic Class: Mixed, hyperthermic Psammentic Paleustalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Comitas
  • PSC - 68 to 118 cm.
  • Classificaton Date - 6/12/2014
  • Classifier - James B. Akin
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Comitas
  • Taxonomic Class - Loamy, mixed, active, hyperthermic Arenic Aridic Paleustalfs
  • PSC - 25 to 100 cm.
  • Classificaton Date - 10/24/2001
  • Soil Taxonomic Edition - eighth edition
  • 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: 10/24/2001 (actual site observation date)
  • Air Photo ID: C6
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - rangeland, shrubby
  • 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 36 centimeters (0.0 to 14.2 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; fine sand; weak fine granular structure; loose, very friable, nonsticky, nonplastic; 4.0 very fine roots between peds and 1.0 medium roots between peds and 3.0 fine roots between peds; 5.0 very fine vesicular and 3.0 fine vesicular pores; fragments; noneffervescent; clear smooth boundary. Lab sample # 02N03223
    A2—36 to 68 centimeters (14.2 to 26.8 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; fine sand; moderate medium subangular blocky parts to moderate fine granular structure; loose, very friable, nonsticky, nonplastic; 1.0 medium roots between peds and 2.0 fine roots between peds; 3.0 fine vesicular pores; fragments; noneffervescent; clear wavy boundary. Lab sample # 02N03224
    Bt1—68 to 87 centimeters (26.8 to 34.3 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; fine sand; moderate medium subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 2.0 fine roots between peds; 1.0 fine vesicular pores; 4 percent faint clay bridges on surfaces along pores; 1 percent fine irregular carbonate, finely disseminated; fragments; noneffervescent; gradual wavy boundary. Lab sample # 02N03225
    Bt2—87 to 107 centimeters (34.3 to 42.1 inches); reddish yellow (7.5YR 6/6), strong brown (7.5YR 5/6), moist; loamy fine sand; weak coarse prismatic parts to moderate medium subangular blocky structure; moderately hard, friable, nonsticky, nonplastic; 2.0 very fine roots between peds and 1.0 medium roots between peds; 2.0 very fine vesicular and 1.0 medium vesicular pores; 5 percent faint clay bridges on surfaces along root channels; fragments; noneffervescent; gradual wavy boundary. Lab sample # 02N03226
    Bt3—107 to 140 centimeters (42.1 to 55.1 inches); reddish yellow (7.5YR 6/6), strong brown (7.5YR 4/6), moist; loamy fine sand; weak coarse prismatic parts to moderate medium subangular blocky structure; hard, friable, nonsticky, nonplastic; 1.0 fine roots between peds; 1.0 fine vesicular pores; 6 percent faint clay bridges on surfaces along root channels; 3 percent fine faint irregular strong brown (7.5YR 4/6), dry, throughout; fragments; noneffervescent; gradual wavy boundary. Lab sample # 02N03227
    Bt4—140 to 193 centimeters (55.1 to 76.0 inches); reddish yellow (7.5YR 6/6), strong brown (7.5YR 4/6), moist; loamy fine sand; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, friable, nonsticky, nonplastic; 5.0 very fine roots between peds; 4.0 fine vesicular pores; 9 percent faint clay bridges on surfaces along root channels; 5 percent fine faint irregular strong brown (7.5YR 5/6), dry, throughout; fragments; noneffervescent; gradual wavy boundary. Lab sample # 02N03228
    Bt5—193 to 207 centimeters (76.0 to 81.5 inches); reddish yellow (7.5YR 7/6), strong brown (7.5YR 5/6), moist; loamy fine sand; weak coarse prismatic parts to moderate medium subangular blocky structure; hard, friable, nonsticky, nonplastic; 2.0 fine roots between peds; 2.0 very fine vesicular pores; 3 percent faint clay bridges on surfaces along root channels; 1 percent fine faint irregular strong brown (7.5YR 5/6), dry, throughout; fragments; noneffervescent. Lab sample # 02N03229