IDENTIFIERS

  • Current Taxon Name (Soil Name): Guanabano
  • OSD
  • Series Extent
  • User Site ID: D01PR153005
  • User Pedon ID: D01PR153005
  • Transect:
  • User Transect ID - 2001-003T
  • Transect Stop Number - 2
  • Transect Interval - 15.2
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 01N1041
  • NCSS Pedon Lab Data NASIS Record ID - 14428
  • 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: 18.0500000
  • Std. Longitude: -66.8491667
  • Datum: WGS84
  • Location Description: Guanabano clay, 20 to 60 percent slopes; approximately 1.0 mile north of the city of Yauco downtown from the intersection of P.R. Hwy. 128 and P.R. Hwy. 335; about 0.2 mile southeast from the intersection of P.R. Hwy. 128 and P.R. Hwy. 3371; about 50 feet north of paved road on naturalized pastureland; Yauco Municipality. (USGS Yauco topographic quadrangle (1966); lat. 18 degrees 03 minutes 00 seconds N. and long. 66 degrees 50 minutes 57 seconds W.)
  • Map Unit: GbF—Guanabano clay, 20 to 60 percent slopes
  • State: Puerto Rico
  • County: PR153—Yauco
  • Non-MLRA Soil Survey Area: PR787—San German Area, Southwestern Puerto Rico

    • PEDON

  • Describers Name: Jorge L. Lugo; Samuel Rios
  • Current Taxonomic Class: Fine, smectitic, isohyperthermic Calcidic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Guanabano
  • PSC - 15 to 53 cm.
  • Classificaton Date - 2/27/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Guanabano
  • Classificaton Date - 3/27/2001
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium deposits of sand, gravel, mudstone, and sandstone
  • Landscape: hills
  • Landform: ridge, hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Pattern: dendritic
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Oligocene member of the Mudstone And Basalt Conglomerate Member formation in the Tjd group.
  • Surface Fragments: 10.00 percent nonflat rounded 2- to 76-millimeter mixed,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/27/2001 (actual site observation date)
  • Air Photo ID: 8C
  • 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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    calcic horizon

    0—15

    15—53

    15—53

    5—15—20

    18—38—48

    18—38—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

    25

    —

    —

    95

    —

    210

    856

    —

    365

    28.5

    32.3

    30.3

    —

    —

    —

    —

    —

    668955

    Santa Rita

    Weather (NOAA)
    Ap—0 to 5 centimeters (0.0 to 2.0 inches);, very dark brown (10YR 2/2) broken face, moist; clay; 19 percent sand; 25 percent silt; 57 percent clay; strong medium granular, and strong fine granular structure; slightly hard, firm, slightly sticky, moderately plastic; moderate permeability; 1.0 medium roots throughout and 4.0 fine roots throughout; 4.0 fine interstitial pores; 10 percent by volume nonflat subrounded 2-50-75 millimeter mixed fragments; slight effervescence, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary.; dry when described; observed in cut
    AB—5 to 15 centimeters (2.0 to 5.9 inches);, very dark brown (10YR 2/2) broken face, moist; clay; 19 percent sand; 25 percent silt; 57 percent clay; strong coarse subangular blocky, and strong medium subangular blocky structure; hard, very firm, moderately sticky, moderately plastic; moderate permeability; 4.0 medium roots throughout and 4.0 fine roots throughout; 4.0 fine irregular and 1.0 fine tubular pores; 1 percent by volume nonflat subrounded 76-?-250 millimeter mixed fragments and 5 percent by volume nonflat subrounded 2-?-76 millimeter mixed fragments; slight effervescence, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; clear wavy boundary.; dry when described; observed in cut
    Btk1—15 to 33 centimeters (5.9 to 13.0 inches);, dark reddish brown (5YR 3/4) broken face, moist; clay; 17 percent sand; 25 percent silt; 59 percent clay; strong medium subangular blocky, and strong coarse subangular blocky structure; hard, very firm, moderately sticky, moderately plastic; moderate permeability; 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 fine tubular and 4.0 fine irregular pores; 35 percent prominent clay films on all faces of peds; 10 percent fine carbonate masses around rock fragments; 10 percent by volume nonflat subrounded 2-?-76 millimeter mixed fragments; slight effervescence, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary.; dry when described; observed in cut. continuous - phpvsfiid 352461; continuous - phpvsfiid 352461
    Btk2—33 to 53 centimeters (13.0 to 20.9 inches);, dark yellowish brown (10YR 4/4) broken face, moist; gravelly clay; 18 percent sand; 24 percent silt; 58 percent clay; moderate medium subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; moderate permeability; 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 medium interstitial and 1.0 fine interstitial pores; 15 percent prominent clay films on all faces of peds; 10 percent fine carbonate masses around rock fragments; 2 percent by volume nonflat subrounded 76-?-250 millimeter mixed fragments and 25 percent by volume nonflat subrounded 2-?-76 millimeter mixed fragments; slight effervescence, by hcl, 1n; neutral, pH 7.0, hellige-truog; abrupt wavy boundary.; dry when described; observed in cut. continuous - phpvsfiid 352462; continuous - phpvsfiid 352462
    C—53 to 203 centimeters (20.9 to 79.9 inches);, 40 percent brown (10YR 4/3) broken face and 30 percent dark grayish brown (10YR 4/2) broken face and 30 percent dark yellowish brown (10YR 4/4) broken face, moist; cobbly clay loam; massive; hard, friable, slightly sticky, nonplastic; moderate permeability; 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 medium interstitial and 1.0 fine interstitial pores; 20 percent by volume nonflat subrounded 76-?-250 millimeter mixed fragments and 60 percent by volume nonflat subrounded 2-?-76 millimeter mixed fragments; slight effervescence, by hcl, 1n; neutral, pH 7.0, hellige-truog.; dry when described; observed in cut