IDENTIFIERS

  • Current Taxon Name (Soil Name): Santa Marta
  • OSD
  • Series Extent
  • User Site ID: S1987PR007010
  • User Pedon ID: 87PR007010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0301
  • NCSS Pedon Lab Data NASIS Record ID - 59596
  • Print Date: 2/1/2025

    • 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: 18.0930557
  • Std. Longitude: -67.0619431
  • Datum: WGS84
  • Location Description: Puerto Rico; Suroeste SWCD; 2 km WNW of San Germain.
  • State: Puerto Rico
  • County: PR007—Aguas Buenas
  • MLRA: 271—Semiarid Mountains and Valleys

    • PEDON

  • Describers Name: Luis Rivera and Dewayne Williams
  • Current Taxonomic Class: Fine, oxidic, isohyperthermic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Santa Marta
  • PSC - 13 to 63 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Santa Marta
  • Taxonomic Class - Clayey, oxidic, isohyperthermic Rhodic Kanhapludul
  • Taxon Kind - series
  • Classificaton Date - 4/1/1987
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: hillside or mountainside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1987 (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

    paralithic contact

    0—13

    13—63

    63—130

    —-

    —-

    —-
    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

    —

    —

    47

    —

    270

    —

    —

    —

    26

    27

    24

    29

    30

    27

    —

    —

    —

    —

    —
    1Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark reddish brown (5YR 3/4) interior clay; moderate fine granular structure; firm, moderately sticky, moderately plastic; 5.5 fine roots throughout; 2 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, bromcresol green; abrupt smooth boundary. Lab sample # 87P01524; moist when described;. Rock frag are serpintine.; many fine roots throughout
    1Bt1—13 to 29 centimeters (5.1 to 11.4 inches); dark red (2.5YR 3/6) interior clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; firm, moderately sticky, moderately plastic; 2.5 fine roots throughout; 2.5 fine interstitial and tubular pores; 15 percent faint , moist, clay films on all faces of peds; 5 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, bromcresol green; clear smooth boundary. Lab sample # 87P01525; moist when described;. few clay films surface features on vertical and horizontal faces of peds; common fine roots throughout; discontinuous - phpvsfiid 221623; discontinuous - phpvsfiid 221623
    1Bt2—29 to 51 centimeters (11.4 to 20.1 inches); reddish brown (2.5YR 4/4) interior clay; moderate medium subangular blocky structure; firm, moderately sticky, moderately plastic; 0.5 fine roots throughout; 2.5 fine interstitial and tubular pores; 37 percent distinct , moist, clay films on all faces of peds; 1 percent by volume 75-162-250 millimeter unspecified fragments and 5 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, bromcresol green; clear wavy boundary. Lab sample # 87P01526; moist when described;. common clay films surface features on vertical and horizontal faces of peds; few fine roots throughout; discontinuous - phpvsfiid 221624; discontinuous - phpvsfiid 221624
    1Bt3—51 to 63 centimeters (20.1 to 24.8 inches); red (10R 4/6) interior clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; friable, moderately sticky, moderately plastic; 0.5 fine roots throughout; 2.5 fine interstitial and tubular pores; 37 percent distinct , moist, clay films on all faces of peds; 1 percent fine platy iron-manganese masses; fragments; strongly acid, pH 5.2, bromcresol green; abrupt wavy boundary. Lab sample # 87P01527; moist when described;. few fine soft masses of iron-manganese concentrations; common clay films surface features on vertical and horizontal faces of peds; few fine roots throughout; discontinuous - phpvsfiid 221625; discontinuous - phpvsfiid 221625
    1Cr—63 to 130 centimeters (24.8 to 51.2 inches); unweathered bedrock; fragments. Lab sample # 87P01528. Hard serpentine bedrock highly fractured. 97% rock 3% fines.
    1Bw—130 to 160 centimeters (51.2 to 63.0 inches); 80 percent red (10R 4/8) interior and 20 percent strong brown (7.5YR 5/8) interior clay loam; weak very coarse prismatic structure; very friable, slightly sticky, slightly plastic; 0.5 fine roots throughout; 5.5 fine interstitial and tubular pores; 15 percent distinct , moist, clay films in root channels and/or pores; fragments; very strongly acid, pH 5.0, bromcresol green. Lab sample # 87P01529; moist when described;. Satellite sample from right side of pit where rock dipped below 1.5 meters.; few clay films surface features in root channels and/or pores; few fine roots throughout; discontinuous - phpvsfiid 221626; discontinuous - phpvsfiid 221626