IDENTIFIERS

  • Current Taxon Name (Soil Name): Cabo Rojo
  • OSD
  • Series Extent
  • User Site ID: D04PR023005
  • User Pedon ID: D04PR023005
  • Transect:
  • User Transect ID - 2004-007T
  • Transect Stop Number - 1
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 05N0805
  • NCSS Pedon Lab Data NASIS Record ID - 17708
  • 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: 18.0838889
  • Std. Longitude: -67.1688889
  • Datum: WGS84
  • Location Description: Cabo Rojo clay, 2 to 12 percent slopes; approximately 1.5 miles southwest of downtown Cabo Rojo; about 0.65 mile northwest from the intersection of P.R. Hwy. 307 and P.R. Hwy. 308; about 0.25 mile northwest of P.R. Hwy. 308 in native pasture. Cabo Rojo Municipality. (USGS Puerto Real topographic quadrangle (1966); lat. 18 degrees 05 minutes 02 seconds N. and long. 67 degrees 10 minutes 08 seconds W.)
  • Map Unit: CaC—Cabo Rojo clay, 2 to 12 percent slopesCaC2—Cabo Rojo clay, 2 to 12 percent slopes, erodedCaC—Cabo Rojo clay, 2 to 12 percent slopes
  • Non-MLRA Soil Survey Area: PR684—Mayaguez Area, Puerto Rico Western PartPR787—San German Area, Southwestern Puerto Rico
  • PEDON

  • Describers Name: Samuel Rios
  • Current Taxonomic Class: Fine, mixed, semiactive, isohyperthermic Vertic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Cabo Rojo
  • PSC - 5 to 55 cm.
  • Classificaton Date - 2/27/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Cabo Rojo
  • Classificaton Date - 7/29/2003
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: fine textured colluvium
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Pattern: parallel
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Miocene (tertiary) member of the Guanajibo Formation formation in the Tg group.
  • Surface Fragments: 12.00 percent 25- to 76-millimeter igneous, unspecified,
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/29/2003 (actual site observation date)
  • Air Photo ID: 5A
  • 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
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—5

    5—55

    5—10—20

    30—45—60

    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

    12

    40

    120

    1256

    365

    25.4

    26.5

    23.9

    667492

    Puerto Real

    Weather (NOAA)

    Ap—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2) broken face, brown (10YR 4/3) broken face, dry; clay loam; 20 percent sand; 40 percent silt; 40 percent clay; moderate fine granular, and moderate medium granular structure; soft, friable, nonsticky, slightly plastic; moderate permeability; 5.0 very fine roots throughout and 5.0 fine roots throughout; 5.0 very fine irregular and 5.0 fine irregular pores; 12 percent by volume 2-10-15 millimeter igneous, unspecified fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.5, hellige-truog; clear smooth boundary.; dry when described; observed in cut
    Bt1—5 to 12 centimeters (2.0 to 4.7 inches); very dark grayish brown (10YR 3/2) broken face, dark grayish brown (10YR 4/2) broken face, dry; clay; 5 percent sand; 10 percent silt; 85 percent clay; strong coarse subangular blocky, and strong medium subangular blocky structure; very hard, very firm, slightly sticky, moderately plastic; moderate permeability; 2.0 very fine roots throughout and 2.0 fine roots throughout; 2.0 medium irregular and 2.0 fine irregular pores; 10 percent faint clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.5, hellige-truog; abrupt wavy boundary.; dry when described; observed in cut. discontinuous - phpvsfiid 350656; discontinuous - phpvsfiid 350656
    Bt2—12 to 48 centimeters (4.7 to 18.9 inches); dark yellowish brown (10YR 4/4) broken face, dark yellowish brown (10YR 4/6) broken face, dry; clay; 5 percent sand; 10 percent silt; 85 percent clay; strong very coarse subangular blocky, and strong coarse subangular blocky, and strong medium subangular blocky structure; very hard, very firm, slightly sticky, moderately plastic; moderate permeability; 0.5 fine roots throughout; 0.5 medium irregular and 0.5 fine irregular pores; 70 percent faint dark yellowish brown (10YR 3/4), moist, clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary.; dry when described; observed in cut. continuous - phpvsfiid 350657; continuous - phpvsfiid 350657
    Bt3—48 to 66 centimeters (18.9 to 26.0 inches); 95 percent dark yellowish brown (10YR 4/4) broken face, 95 percent yellowish brown (10YR 5/4) broken face, dry; clay; 5 percent sand; 10 percent silt; 85 percent clay; 5 percent grayish brown (2.5Y 5/2) fine prominent mottles; weak coarse subangular blocky, and weak medium subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; moderate permeability; 0.5 fine roots throughout; 2.0 medium irregular and 2.0 fine irregular pores; 15 percent distinct clay films on all faces of peds; 1 percent fine prominent strong brown (7.5YR 5/6), moist, iron-manganese masses with clear boundaries on faces of peds; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary.; dry when described; observed in cut. discontinuous - phpvsfiid 350658; discontinuous - phpvsfiid 350658
    BC—66 to 91 centimeters (26.0 to 35.8 inches); 80 percent brown (7.5YR 4/4) broken face, 80 percent strong brown (7.5YR 5/6) broken face, dry; clay loam; 5 percent reddish yellow (7.5YR 7/8) fine prominent and 15 percent light gray (5Y 7/2) fine prominent mottles; weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; moderate permeability; 0.5 fine roots throughout; 2.0 very fine vesicular and 2.0 fine vesicular pores; 20 percent medium prominent red (2.5YR 4/8), moist, iron-manganese masses with sharp boundaries on faces of peds and 20 percent fine prominent red (2.5YR 4/8), moist, iron-manganese masses with sharp boundaries on faces of peds; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; abrupt smooth boundary.; dry when described; observed in cut
    C—91 to 183 centimeters (35.8 to 72.0 inches); 80 percent brown (7.5YR 4/4) broken face, 80 percent strong brown (7.5YR 4/6) broken face, dry; silty clay loam; 5 percent light greenish gray (5GY 7/1) fine prominent and 15 percent light gray (5Y 7/2) fine prominent mottles; massive; slightly hard, firm, nonsticky, slightly plastic; moderate permeability; 0.5 fine roots throughout; 0.5 very fine irregular and 0.5 fine irregular pores; 1 percent medium prominent yellowish red (5YR 5/8), moist, iron-manganese masses with clear boundaries on faces of peds and 1 percent fine prominent yellowish red (5YR 5/8), moist, iron-manganese masses with clear boundaries on faces of peds; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, hellige-truog.; dry when described; observed in cut