Lenoir Landing NEON (LENO) 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

D08 LENO megapit soil profile 0-200 cm

soil profile

D08 LENO megapit soil profile 0-23 cm

soil profile

D08 LENO megapit soil profile 32-67 cm

soil profile

D08 LENO megapit soil profile 54-107 cm

soil profile

D08 LENO megapit soil 97-149 cm

soil profile

D08 LENO megapit soil profile 137-200 cm

Megapit Pedon Description

Print Date Feb 18 2016
Description Date Mar 17 2015
Describer C. Hatcher, J. Velazquez
Site ID S2015AL023004
Pedon ID S2015AL023004
Lab Source ID KSSL
Lab Pedon # 15N0527
Soil Name as Described/Sampled Urbo
Classification Fine, mixed, active, acid, thermic Vertic Epiaquepts
Pedon Type confirmation description
Pedon Purpose ecological site data
Taxon Kind series
Associated Soils Annemaine, Bigbee, Cahaba, Latonia, Lenoir, Mooreville, Riverview, Una
Local Physiographic Area Tombigbee River Floodplain
Geomorphic Setting on talf alluvial plain
on talf flood plain
Upslope Shape linear
Cross Slope Shape linear
Particle Size Control Section 8 to 84 cm.
Description origin NASIS
Country United States
State Alabama
County Choctaw
MLRA 133A -- Southern Coastal Plain
Soil Survey Area AL023 -- Choctaw County, Alabama
7-MER -- Meridian, Mississippi
Map Unit UrB -- Urbo-Mooreville-Una complex, gently undulating, frequently flooded
Quad Name Coffeeville Lock And Dam, Alabama
Std Latitude 31.8531111
Std Longitude -88.1610278
Latitude 31 degrees 51 minutes 11.20 seconds north
Longitude 88 degrees 9 minutes 39.70 seconds west
Datum WGS84
UTM Zone 16
UTM Easting 390157 meters
UTM Northing 3524742 meters
Primary Earth Cover Tree cover
Secondary Earth Cover Intermixed conifers and hardwoods
Parent Material clayey alluvium
Description database KSSL
Diagnostic Features fibers 0 to 2 cm.
ochric epipedon 2 to 8 cm.
cambic horizon 8 to 21 cm.
aquic conditions 21 to 203 cm.
Slope (%) 1.0
Elevation (meters) 8.0
Aspect (deg) 270
MAAT (C) 18.0
MSAT (C) 28.2
MWAT (C) 9.2
MAP (mm) 1,448
Frost-Free Days 250
Drainage Class somewhat poorly
Slope Length (meters) 100
Upslope Length (meters) 100.0
Horizon Details

Oi--0 to 2 centimeters (0.0 to 0.8 inches); very dark brown (10YR 2/2); friable; deformable; many very fine roots throughout and common very coarse roots throughout and many medium roots throughout and many fine roots throughout and common coarse roots throughout; 75.0 percent after rubbing Fibric Materials; very abrupt smooth boundary. Lab sample # 15N02698

A--2 to 8 centimeters (0.8 to 3.1 inches); dark grayish brown (10YR 4/2) loam; weak fine granular structure; very friable, nonsticky, nonplastic; semideformable; many very fine roots throughout and many medium roots throughout and many fine roots throughout and common coarse roots throughout and common coarse roots throughout; clear smooth boundary. Lab sample # 15N02699

Bw--8 to 21 centimeters (3.1 to 8.3 inches); dark yellowish brown (10YR 4/4) loam; weak fine subangular blocky, and weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; nonfluid; few very coarse roots throughout and common medium roots throughout and few coarse roots throughout; few fine dendritic tubular pores; 15 percent medium faint irregular 10YR 4/3), moist, masses of oxidized iron with clear boundaries in matrix and 15 percent medium distinct irregular 10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; clear wavy boundary. Lab sample # 15N02700

Bg1--21 to 58 centimeters (8.3 to 22.8 inches); dark grayish brown (10YR 4/2) clay loam; weak medium subangular blocky structure; firm, moderately sticky, moderately plastic; nonfluid; few medium roots throughout and few fine roots throughout; 15 percent medium faint irregular 10YR 4/3), moist, masses of oxidized iron with clear boundaries in matrix and 15 percent medium distinct irregular 10YR 6/2), moist, masses of reduced iron with clear boundaries in matrix and 15 percent medium distinct irregular 2.5Y 5/2), moist, masses of reduced iron with clear boundaries in matrix; gradual wavy boundary. Lab sample # 15N02701

Bg2--58 to 102 centimeters (22.8 to 40.2 inches); dark grayish brown (10YR 4/2) clay loam; weak medium subangular blocky structure; firm, moderately sticky, moderately plastic; nonfluid; few very fine roots throughout; 15 percent medium faint irregular 10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix and 15 percent medium distinct irregular 2.5Y 6/2), moist, masses of reduced iron with clear boundaries in matrix; gradual wavy boundary. Lab sample # 15N02702

Bg3--102 to 147 centimeters (40.2 to 57.9 inches); dark yellowish brown (10YR 4/4) silty clay; weak medium subangular blocky structure; firm, moderately sticky, moderately plastic; nonfluid; 15 percent medium prominent irregular 7.5YR 5/8), moist, masses of oxidized iron with clear boundaries in matrix and 15 percent medium faint irregular 10YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix and 25 percent medium distinct irregular 2.5Y 6/2), moist, masses of reduced iron with clear boundaries in matrix; gradual wavy boundary. Lab sample # 15N02703

Bg4--147 to 203 centimeters (57.9 to 79.9 inches); dark brown (10YR 3/3) clay; weak medium subangular blocky structure; firm, very sticky, very plastic; nonfluid; 15 percent medium faint irregular 10YR 4/4), moist, masses of oxidized iron with clear boundaries in matrix and 25 percent medium distinct irregular 10YR 6/2), moist, masses of reduced iron with clear boundaries in matrix. Lab sample # 15N02704.

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.