LOCATION SEABROOK NC+SC VAEstablished Series
TAXONOMIC CLASS: Mixed, thermic Aquic Udipsamments
TYPICAL PEDON: Seabrook loamy sand--cultivated.
(Colors are for moist soil.)
Ap--0 to 8 inches; dark brown (10YR 3/3) loamy sand; weak fine granular structure; very friable; many fine roots; strongly acid; abrupt smooth boundary. (6 to 9 inches thick)
C1--8 to 24 inches; yellowish brown (10YR 5/4) sand; weak fine granular structure; single grained; very friable to loose; very strongly acid; gradual wavy boundary.
C2--24 to 35 inches; pale brown (10YR 6/3) sand; single grained; loose; few coarse faint light brownish gray (10YR 6/2) iron depletions; very strongly acid; gradual wavy boundary.
Cg--35 to 81 inches; light brownish gray (2.5Y 6/2) sand; single grained; loose; few reddish ironstone nodules 1/4 to 1/2 inch in diameter at about 55 inches; very strongly acid.
TYPE LOCATION: Hertford County, North Carolina; from Barretts Cross Roads, 2.2 miles southwest on U.S. Highway 258, 0.2 mile west on farm road and 200 feet northeast.
RANGE IN CHARACTERISTICS:
Horizon Thickness: Thickness of the sandy horizons is more than 72 inches
Depth to Bedrock: Greater than 60 inches
Depth to Seasonal High Water Table: 24 to 42 inches, December to March
Soil Reaction: extremely acid to slightly acid, unless limed
Other Features: Silt plus clay in the particle size control section ranges from 5 to 20 percent; iron concretions 1/8 inch to 2 inches in diameter range from few to common throughout the profile; quartz gravel content ranges from 0 to 15 percent above 40 inches and from 0 to 35 percent below 40 inches; flakes of mica range from none to common throughout
A horizon:
Color-- hue of 10YR or 2.5Y, value of 3 to 5, and chroma of 2 to 4
Texture--loamy fine sand, loamy sand, fine sand or sand
C horizon:
Color(upper part)--hue of 10YR or 2.5Y, value of 4 to 7, and chroma of 3 to 8
Color(lower part)--hue of 10YR to 5Y, value of 5 to 7, and chroma of 3 or 4
Texture--loamy fine sand, loamy coarse sand, coarse sand, loamy sand, fine sand, or sand in the fine-earth fraction; thin strata of brownish coated grains of sand are below depths of 40 inches in some pedons; streaks, lenses, and grains of uncoated sand range from few to many in the C horizon of some pedons.
Redoximorphic Features--iron masses in shades of yellow, brown, or red and iron depletions in shades of gray, olive, and brown
Cg horizon (if it occurs):
Color--hue of 10YR to 5Y, value of 5 to 7, and chroma of 1 or 2
Texture--loamy fine sand, loamy coarse sand, coarse sand, loamy sand, fine sand, or sand in the fine-earth fraction
Redoximorphic Features--iron masses in shades of yellow, brown, or red and iron depletions in shades of gray, olive, and brown
COMPETING SERIES:
Clana soils--have redder hues in the lower C horizons
Fisherman soils--are inundated by salt water: have reactions that range to mildly akaline; may contain shell fragments
Voss soils--are restricted to chroma of 2 or 3 throughout the C horizon; are on floodplains subject to frequent flooding
GEOGRAPHIC SETTING:
Landscape: Coastal Plain
Landform: Terraces
Elevation: 5 to 120 feet above mean sea level
Parent Material: Sandy marine and fluvial sediments
Mean Annual Air Temperature: 58 to 70 degrees
Mean Annual Precipitation: 44 to 57 inches
Frost Free Period: 190 to 270 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Charleston soils--moderately well drained soils (seasonal high water table 24 to 42 inches) in coarse-loamy family on similar landscapes
Chisolm soils--well drained soils (seasonal high water table 36 to 60 inches) in loamy family on higher landscapes
Conetoe soils--Well drained soils (seasonal high water table below 72 inches) in loamy family on similar landscapes
Coosaw soils--moderately well drained soils (seasonal high water table 24 to 36 inches) in loamy family on similar landscapes
Eddings soils--well drained soils (seasonal high water table 42 to 54 inches) in loamy family on higher landscapes
Edisto soils--somewhat poorly drained soils (seasonal high water table 12 to 36 inches) in coarse-loamy family on slightly lower landscapes
Kiawah soils--somewhat poorly drained soils (seasonal high water table 12 to 24 inches) with weakly developed argillic horizons on slightly lower landscapes
Munden soils--moderately well drained soils (seasonal high water table 18 to 30 inches) in coarse-loamy family on similar landscapes
Murad soils--moderately well to somewhat poorly drained soils (seasonal high water table 18 to 36 inches) in loamy family on similar landscapes
Polawana soils--very poorly drained soils (seasonal high water table near or above surface for 6 months during most years) having cumulic epipedon on flats and in depressions
Seewee soils--somewhat poorly drained soils (seasonal high water table 12 to 24 inches) that have Bh horizons an occur on slightly lower landscapes
Tarboro soils--somewhat excessively drained soils (seasonal high water table is below 6 feet) with sandy textures throughout on higher landscapes
Wahee soils--somewhat poorly drained soils (seasonal high water table 12 to 18 inches) in fine family on slightly lower landscapes
Wando soils--well drained soils (seasonal high water table is 48 to 72 inches) with sandy textures throughout on higher landscapes
Williman soils--poorly drained soils (seasonal high water table 0 to 12 inches) in loamy family on flats and in depressions
DRAINAGE AND PERMEABILITY:
Agricultural Drainage Class: Moderately well drained
Permeability: Rapid
USE AND VEGETATION:
Major Uses: Mostly Woodland
Dominant Vegetation: Where wooded--loblolly pine, longleaf pine, slash pine, southern red oak, sweetgum, red maple, yellow-poplar, water oak, willow oak, American beech, and live oak (near the coast). Where cultivated--corn, soybeans, truck crops and pasture.
DISTRIBUTION AND EXTENT:
Distribution: North Carolina, South Carolina, and Virginia
Extent: Moderate
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina
SERIES ESTABLISHED: Charleston County, South Carolina; 1962.
REMARKS: Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon - the zone from the surface to a depth of 8 inches (Ap horizon)
Aquic conditions - redoximorphic features in the zone between 24 and 35 inches (C2 horizon), and also in the Cg horizon at 35 to 81 inches
MLRA(s): 153A, 153B, 133A
REVISED-- 2/6/96, MHC
ADDITIONAL DATA:
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation NC0161 SEABROOK 0-2 58-70 190-270 44-57 5-120SOI-5 FloodL FloodH Watertable Kind Months Bedrock NC0161 NONE RARE 2.0-3.5 APPARENT DEC-MAR 60-60
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC- NC0161 0-8 LFS LS FS 0-0 90-100 2-12 1-4 NC0161 8-81 LFS FS S 0-0 90-100 2-12 0-3
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll NC0161 0-8 4.5-6.5 .5-2. 0-0 6.0-20 LOW NC0161 8-81 4.5-6.5 0.-.5 0-0 6.0-20 LOW