Disney Wilderness Preserve NEON (DSNY) Soil Descriptions

Pedon Descriptions

Pit‐level observations and field measurements reported using the standard NRCS format. They contain volume estimates for coarse fragments > 20 mm where applicable.

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Site Level Plot Summary

A narrative summary that places the sampled soil pedons in the broader context of soils and geomorphology for the entire NEON site.

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soil profile

D03 DSNY megapit soil profile 0-65 cm

soil profile

D03 DSNY megapit soil profile 39-140 cm

soil profile

D03 DSNY megapit soil profile 0-35 cm

soil profile

D03 DSNY megapit soil profile 24-65 cm

soil profile

D03 DSNY megapit soil profile 70-96 cm

soil profile

D03 DSNY megapit soil profile 100-135 cm

Megapit Pedon Description

Print Date Apr 8 2015
Description Date Feb 4 2013
Describer R. Robbins
Site ID 13FL097001
Site Note This pedon is within the range of the Smyrna series. The Bh horizon begins at 43 centimeters. It has a bisequum with a E' and B'h horizons beginning at 69 centimeters.
Pedon ID S2013FL097001
Pedon Note pH was not performed since this pedon will be analyzed in the lab.
Lab Source ID SSL
Lab Pedon # 13N0610
Soil Name as Described/Sampled Smyrna
Classification Sandy, siliceous, hyperthermic Aeric Alaquods
Soil Name as Correlated Smyrna
Pedon Type correlates to named soil
Pedon Purpose research site
Taxon Kind series
Associated Soils Basinger fine sand, depressional, Immokalee fine sand, Myakka fine sand
Geomorphic Setting on toeslope of talf flatwoods on marine terrace on coastal plain
Upslope Shape linear
Cross Slope Shape linear
Particle Size Control Section 25 to 100 cm.
Description origin NASIS
Map Unit 42 -- Smyrna fine sand, 0 to 2 percent slopes
Quad Name Lake Hatchineha, Florida
Std Latitude 28.1291889
Std Longitude -81.4339194
Latitude 28 degrees 7 minutes 45.08 seconds north
Longitude 81 degrees 26 minutes 2.11 seconds west
Datum NAD83
UTM Zone 17
Primary Earth Cover Grass/herbaceous cover
Parent Material sandy marine deposits
Description database KSSL
Diagnostic Features spodic horizon 43 to 69 cm.
spodic horizon 152 to 204 cm.
Slope (%) 0.0
Elevation (meters) 20.1
MAAT (C) 22.7
MAP (mm) 1,186
Frost-Free Days 345
Drainage Class poorly
Slope Length (meters) 47
Horizon Details

Ap--0 to 9 centimeters (0.0 to 3.5 inches); very dark gray (10YR 3/1) interior fine sand, dark gray (10YR 4/1) interior, dry; 92 percent sand; 5 percent silt; 3 percent clay; weak fine granular, and weak very fine granular structure; very friable, nonsticky, nonplastic; low excavation difficulty; common medium roots throughout and many fine roots throughout; clear smooth boundary. Lab sample # 13N02896. Uncoated sand grains (10YR 7/1) comprise about 5% of the individual sand grains.

AE--9 to 26 centimeters (3.5 to 10.2 inches); dark gray (10YR 4/1) interior fine sand; 95 percent sand; 3 percent silt; 2 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; very friable, nonsticky, nonplastic; low excavation difficulty; common medium roots throughout and many fine roots throughout; gradual wavy boundary. Lab sample # 13N02897. Uncoated sand grains (10YR 7/1) comprise about 25% of the individual sand grains.

E--26 to 43 centimeters (10.2 to 16.9 inches); gray (10YR 5/1) interior fine sand; 96 percent sand; 2 percent silt; 2 percent clay; structureless single grain; loose, nonsticky, nonplastic; low excavation difficulty; common medium roots throughout and common fine roots throughout; 3 percent faint 10YR 4/2), moist, organic stains on surfaces along root channels; abrupt wavy boundary. Lab sample # 13N02898

Bh1--43 to 55 centimeters (16.9 to 21.7 inches); black (10YR 2/1) interior fine sand; 93 percent sand; 3 percent silt; 4 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; very friable, slightly sticky, nonplastic; low excavation difficulty; common medium roots throughout and common fine roots throughout; gradual wavy boundary. Lab sample # 13N02899

Bh2--55 to 69 centimeters (21.7 to 27.2 inches); 80 percent dark reddish brown (5YR 3/4) interior and 20 percent dark brown (7.5YR 3/2) interior fine sand; 94 percent sand; 3 percent silt; 3 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; very friable, slightly sticky, nonplastic; low excavation difficulty; common medium roots throughout and common fine roots throughout; and 4 percent distinct 7.5YR 2.5/1), moist, organic stains on surfaces along root channels; clear wavy boundary. Lab sample # 13N02900. 5% pale brown (10YR 6/3) uncoated sand grains

E'1--69 to 99 centimeters (27.2 to 39.0 inches); brown (10YR 5/3) interior fine sand; 96 percent sand; 2 percent silt; 2 percent clay; structureless single grain; loose, nonsticky, nonplastic; low excavation difficulty; common medium roots throughout and common fine roots throughout; 5 percent distinct 7.5YR 3/3), moist, organic stains on surfaces along root channels; 10 percent medium faint 10YR 7/2), moist, iron depletions with diffuse boundaries in matrix; 2 percent nonflat rounded moderately cemented 10 to 30-millimeter iron-manganese nodules; gradual wavy boundary. Lab sample # 13N02901

E'2--99 to 136 centimeters (39.0 to 53.5 inches); light brownish gray (10YR 6/2) interior fine sand; 96 percent sand; 2 percent silt; 2 percent clay; structureless single grain; loose, nonsticky, nonplastic; low excavation difficulty; common fine roots throughout; 2 percent distinct 7.5YR 3/3), moist, organic stains on surfaces along root channels; and 2 percent fine distinct irregular 7.5YR 4/4), moist, iron-manganese masses with sharp boundaries in matrix and 10 percent medium faint irregular 10YR 7/2), moist, iron depletions with diffuse boundaries in matrix; 1 percent nonflat rounded moderately cemented 10 to 30-millimeter iron-manganese nodules; gradual wavy boundary. Lab sample # 13N02902

E'3--136 to 152 centimeters (53.5 to 59.8 inches); brown (10YR 5/3) interior fine sand; 96 percent sand; 2 percent silt; 2 percent clay; structureless single grain; loose, nonsticky, nonplastic; low excavation difficulty; 2 percent fine distinct irregular 7.5YR 5/6), moist, iron-manganese masses with sharp boundaries in matrix and 5 percent medium faint irregular 10YR 6/2), moist, iron depletions in matrix; abrupt wavy boundary.

B'h--152 to 204 centimeters (59.8 to 80.3 inches); very dark brown (7.5YR 2.5/2) interior fine sand; 91 percent sand; 5 percent silt; 4 percent clay; weak medium subangular blocky structure; very friable, slightly sticky, nonplastic; low excavation difficulty; 2 percent fine distinct irregular 7.5YR 5/6), moist, iron-manganese masses with sharp boundaries in matrix. Lab sample # 13N02904. Horizon color grades from 7.5YR 2.5/2 to 10YR 3/2. With saturation, it is difficult to obtain a correct depth measurement.

Credits: This megapit soil pedon description was generously created by USDA Natural Resource Conservation Service staff, with particular thanks to Larry West, Jon Hempel, and numerous field staff.