IDENTIFIERS

  • Current Taxon Name (Soil Name): Altamira
  • OSD
  • Series Extent
  • User Site ID: D97PR023002
  • User Pedon ID: D97PR023002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 97P0479
  • NCSS Pedon Lab Data NASIS Record ID - 10162
  • 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: 17.9916667
  • Std. Longitude: -67.1577778
  • Datum: WGS84
  • Location Description: Altamira gravelly clay, 2 to 20 percent slopes; approximately 3.7 miles northeast of El Combate community from the intersection of PR Hwy. 301 and PR Hwy. 303; about 200 feet east of highway on hayland field; Cabo Rojo Municipality. (USGS Cabo Rojo topographic quadrangle (1966); lat. 17 degrees 59 minutes 30 seconds N. and long. 67 degrees 9 minutes 28 seconds W.)
  • Map Unit: AcD—Aguilita clay, 5 to 20 percent slopesAtD—Altamira gravelly clay, 2 to 20 percent slopes
  • Non-MLRA Soil Survey Area: PR687—Lajas Valley Area, Puerto RicoPR787—San German Area, Southwestern Puerto Rico

    • PEDON

  • Describers Name: Jorge L. Lugo; Carmen L. Santiago; Greg Brannon
  • Current Taxonomic Class: Coarse-loamy, carbonatic, isohyperthermic Typic Haplocalcids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Altamira
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/27/2009
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Aguilita
  • Classificaton Date - 6/16/1997
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: material weathered from soft limestone bedrock
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper 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: Miocene And Oligocene member of the Ponce Limestone And Juana Diaz Formation, Undivided formation in the Tpj group.
  • Surface Fragments: 25.00 percent 2- to 76-millimeter limestone, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/16/1997 (actual site observation date)
  • Air Photo ID: 9A
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Ap

    Bk

    C2

    0

    20

    53

    20

    36

    84

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    0

    0

    0

    0

    0

    0

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Ap

    Bk

    C2

    0

    20

    53

    20

    36

    84

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Ap

    Bk

    C2

    0

    20

    53

    20

    36

    84

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    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

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    8

    5

    1

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

    ochric epipedon

    calcic horizon

    0—20

    20—36

    8—12—20

    8—10—15
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    6/16/1997

    50

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    28
    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

    8

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    40

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    170

    668

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    365

    26.5

    28.1

    24.6

    28

    29.4

    26

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    2066

    Combate Station

    NRCS-NWCC SCAN
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); dark brown (10YR 3/3) broken face, very dark brown (10YR 2/2) broken face, moist; gravelly clay; 23 percent sand; 27 percent silt; 50 percent clay; moderate medium granular structure; slightly hard, firm, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine interstitial and 10.0 fine interstitial pores; 25 percent by volume 2-?-76 millimeter limestone, unspecified fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary.; dry when described; observed in pit, large or quarry
    Bk—20 to 36 centimeters (7.9 to 14.2 inches); brown (10YR 5/3) broken face, brown (10YR 4/3) broken face, moist; clay; 22 percent sand; 33 percent silt; 45 percent clay; weak medium subangular blocky structure; soft, firm, moderately sticky, moderately plastic; moderate permeability; 10.0 very fine roots throughout and 10.0 fine roots throughout; 10.0 very fine interstitial and 10.0 fine interstitial pores; 25 percent prominent irregular carbonate masses and 25 percent prominent irregular carbonate concretions; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.1, hellige-truog; clear smooth boundary.; dry when described; observed in pit, large or quarry
    C1—36 to 53 centimeters (14.2 to 20.9 inches); very pale brown (10YR 8/2) broken face, very pale brown (10YR 8/3) broken face, moist; clay loam; 26 percent sand; 40 percent silt; 34 percent clay; massive; soft, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine roots throughout and 3.0 fine roots throughout; 10.0 very fine interstitial and 3.0 fine interstitial pores; 25 percent prominent irregular carbonate concretions and 25 percent prominent irregular carbonate masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.3, hellige-truog; clear smooth boundary.; dry when described; observed in pit, large or quarry
    C2—53 to 84 centimeters (20.9 to 33.1 inches); very pale brown (10YR 8/2) broken face, very pale brown (10YR 8/3) broken face, moist; clay loam; 25 percent sand; 40 percent silt; 34 percent clay; massive; soft, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine roots throughout and 3.0 fine roots throughout; 10.0 very fine interstitial and 3.0 fine interstitial pores; 25 percent prominent irregular carbonate concretions and 25 percent prominent irregular carbonate masses; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.5, hellige-truog; gradual smooth boundary.; dry when described; observed in pit, large or quarry
    C3—84 to 109 centimeters (33.1 to 42.9 inches); light gray (10YR 7/2) broken face, pale brown (10YR 6/3) broken face, moist; clay loam; 36 percent sand; 35 percent silt; 29 percent clay; massive; soft, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine roots throughout and 3.0 fine roots throughout; 10.0 very fine interstitial and 3.0 fine interstitial pores; 25 percent prominent irregular carbonate concretions and 25 percent prominent irregular carbonate masses; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.7, hellige-truog; gradual smooth boundary.; dry when described; observed in pit, large or quarry
    C4—109 to 137 centimeters (42.9 to 53.9 inches); light yellowish brown (2.5Y 6/3) broken face, light olive brown (2.5Y 5/3) broken face, moist; loam; 39 percent sand; 37 percent silt; 24 percent clay; massive; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 10.0 very fine roots throughout and 3.0 fine roots throughout; 10.0 very fine interstitial pores; 25 percent prominent irregular carbonate concretions and 25 percent prominent irregular carbonate masses; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog; gradual smooth boundary.; dry when described; observed in pit, large or quarry
    Cr—137 to 200 centimeters (53.9 to 78.7 inches); 50 percent light yellowish brown (2.5Y 6/3) broken face and 50 percent very pale brown (10YR 8/3) broken face, 50 percent light olive brown (2.5Y 5/3) broken face and 50 percent 10Y 8/3 (10Y 8/3) broken face, moist; stratified stratified loam; 48 percent sand; 33 percent silt; 20 percent clay; slightly hard, friable; moderate permeability; 1.0 fine roots in cracks; fragments; strong effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog.; dry when described; observed in pit, large or quarry