D08 LENO Megapit Soils Description
| Print Date: Feb 18 2016 | Country: United States |
| Description Date: Mar 17 2015 | State: Alabama |
| Describer: C. Hatcher, J. Velazquez | County: Choctaw |
| Site ID: S2015AL023004 | MLRA: 133A -- Southern Coastal Plain |
| Site Note: | Soil Survey Area: AL023 -- Choctaw County, Alabama 7-MER -- Meridian, Mississippi |
| Pedon ID: S2015AL023004 | Map Unit: UrB -- Urbo-Mooreville-Una complex, gently undulating, frequently flooded |
| Pedon Note: | Quad Name: Coffeeville Lock And Dam, Alabama |
| Lab Source ID: KSSL | Std Latitude: 31.8531111 |
| Lab Pedon #: 15N0527 | Std Longitude: -88.1610278 |
| User Transect ID: | |
| Soil Name as Described/Sampled: Urbo | |
| Classification: Fine, mixed, active, acid, thermic Vertic Epiaquepts | Latitude: 31 degrees 51 minutes 11.20 seconds north |
| Soil Name as Correlated: | Longitude: 88 degrees 9 minutes 39.70 seconds west |
| Classification: | Datum: WGS84 |
| Pedon Type: confirmation description | UTM Zone: 16 |
| Pedon Purpose: ecological site data | UTM Easting: 390157 meters |
| Taxon Kind: series | UTM Northing: 3524742 meters |
| Associated Soils: Annemaine, Bigbee, Cahaba, Latonia, Lenoir, Mooreville, Riverview, Una | |
| Physiographic Division: | Primary Earth Cover: Tree cover |
| Physiographic Province: | Secondary Earth Cover: Intermixed conifers and hardwoods |
| Physiographic Section: | Existing Vegetation: |
| State Physiographic Area: | Parent Material: clayey alluvium |
| Local Physiographic Area: Tombigbee River Floodplain | Bedrock Kind: |
| Geomorphic Setting: on talf alluvial plain on talf flood plain | Bedrock Depth: |
| Upslope Shape: linear | Bedrock Hardness: |
| Cross Slope Shape: linear | Bedrock Fracture Interval: |
| Particle Size Control Section: 8 to 84 cm. | Surface Fragments: |
| Description origin: NASIS | 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. |
| Cont. Site ID: S2015AL023004 | Pedon ID: S2015AL023004 |
| Slope (%) | Elevation (meters) | Aspect (deg) | MAAT (C) | MSAT (C) | MWAT (C) | MAP (mm) | Frost-Free Days | Drainage Class | Slope Length (meters) | Upslope Length (meters) |
| 1.0 | 8.0 | 270 | 18.0 | 28.2 | 9.2 | 1,448 | 250 | somewhat poorly | 100 | 100.0 |
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.
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