IDENTIFIERS

  • Current Taxon Name (Soil Name): Allemands
  • OSD
  • Series Extent
  • User Site ID: S1971LA051003
  • User Pedon ID: S1971LA051003
  • Vegetation Plot ID: S1971LA051003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4100
  • NCSS Pedon Lab Data NASIS Record ID - 40292
  • Print Date: 12/17/2024

    • 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: 30.0224991
  • Std. Longitude: -90.2516632
  • Datum: WGS84
  • Township: 12S
  • Range: 9E
  • Section: 37
  • PLSS Details: 1.25 miles N of New Orleans International Airport; 7/8 mile W of Williamson Boulevard;
  • State: Louisiana
  • County: LA051—Jefferson
  • MLRA: 151—Gulf Coast Marsh
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: LA051—Jefferson Parish, Louisiana

    • PEDON

  • Describers Name: Warren Lynn, Dayton Matthews, and Warren Cockerham
  • Current Taxonomic Class: Clayey, smectitic, thermic Terric Medisaprists
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Allemands
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - UNNAMED
  • Classificaton Date - 6/9/1971
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: swamp
  • Drainage Class: very poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/9/1971 (actual site observation date)
  • Plant Association Name: Woodland and wildlife.
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CUPRE

    NYSSA

    RUBUS

    Cupressus

    Nyssa

    Rubus

    cypress

    tupelo

    blackberry

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    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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    1524

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    21

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    Oa1—0 to 20 centimeters (0.0 to 7.9 inches); dark grayish brown (10YR 4/2) rubbed Error; moderate medium subangular blocky structure; friable; fragments; extremely acid, pH 4.0, unspecified; clear smooth boundary. Lab sample # 40A31341. dominantly herbaceous fiber; about 65% mineral.
    2C1g—20 to 25 centimeters (7.9 to 9.8 inches); very dark gray (10YR 3/1) clay; massive; hard; 0.5 fine pores; fragments; abrupt smooth boundary. Lab sample # 40A31342. about 20% organic matter.
    Oa2—25 to 51 centimeters (9.8 to 20.1 inches); black (10YR 2/1) rubbed Error; moderate medium granular structure; friable; fragments; extremely acid, pH 4.0, unspecified; clear smooth boundary. Lab sample # 40A31343. dominantly herbaceous fiber; 1 inch strata of black (10YR 2/1) clay at 17-18 inches; about 60% mineral.
    Oa3—51 to 76 centimeters (20.1 to 29.9 inches); black (10YR 2/1) rubbed Error; weak coarse granular structure; friable; fragments; extremely acid, pH 4.0, unspecified; clear smooth boundary. Lab sample # 40A31344. 1 inch strata of very dark gray (10YR 3/1) clay at 26-27 inches.
    3C—76 to 84 centimeters (29.9 to 33.1 inches); very dark gray (5Y 3/1) clay; massive; 0.5 fine pores; fragments; extremely acid, pH 4.0, unspecified; abrupt smooth boundary. Lab sample # 40A31345. flows with difficulty between fingers and leaves large residue in hand.
    Oa4—84 to 102 centimeters (33.1 to 40.2 inches); very dark grayish brown (10YR 3/2) rubbed Error; fragments; extremely acid, pH 4.0, unspecified; abrupt smooth boundary. Lab sample # 40A31346. flows with difficulty between fingers and leaves large residue in hand; about 6i5% mineral.
    4C—102 to 117 centimeters (40.2 to 46.1 inches); very dark gray (10YR 3/1) clay; 1 percent olive brown (2.5Y 4/4) medium prominent mottles; massive; moderately sticky, moderately plastic; fragments; very strongly acid, pH 4.8, unspecified; abrupt smooth boundary. Lab sample # 40A31347. flows with difficulty between fingers and leaves large residue.
    4Cg—117 to 160 centimeters (46.1 to 63.0 inches); greenish gray (5GY 5/1) clay; 10 percent dark yellowish brown (10YR 4/4) medium prominent mottles; massive; fragments; slightly acid, pH 6.3, unspecified; gradual wavy boundary. Lab sample # 40A31348. flows with difficulty between fingers when squeezed and leaves large residue in hand.
    4C3g—160 to 185 centimeters (63.0 to 72.8 inches); greenish gray (5GY 5/1) clay; massive; 0.5 fine roots; fragments; slightly acid, pH 6.3, unspecified. Lab sample # 40A31349. flows with difficulty between fingers when squeezed and leaves large residue in hand.
    4C4g—185 to 216 centimeters (72.8 to 85.0 inches); greenish gray (5GY 5/1) clay; massive; 0.5 fine roots; fragments; slightly acid, pH 6.3, unspecified. Lab sample # 40A31350. flows with difficulty between fingers when squeezed and leaves residue in hand.