Smithsonian Environmental Research Center NEON (SERC) 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.

Download

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.

Download
soil profile

D02 SERC megapit soil profile 0-180 cm

soil profile

D02 SERC megapit soil profile 0-39 cm

soil profile

D02 SERC megapit soil profile 21-62 cm

soil profile

D02 SERC megapit soil profile 56-95 cm

soil profile

D02 SERC megapit soil profile 82-134 cm

soil profile

D02 SERC megapit soil profile 128-180 cm

Megapit Pedon Description

Print Date Apr 8 2015
Description Date May 5 2014
Describer Jim Brewer
Site ID S2014MD003001
Pedon ID S2014MD003001
Lab Source ID KSSL
Lab Pedon # 14N0516
Soil Name as Correlated Adelphia
Classification Fine-loamy, mixed, active, mesic Aquic Hapludults
Pedon Type correlates to named soil
Pedon Purpose research site
Taxon Kind taxadjunct
Physiographic Division Atlantic Plain
Physiographic Province Coastal Plain
Physiographic Section Embayed section
Geomorphic Setting on talf flat on talf coastal plain
Particle Size Control Section 37 to 87 cm.
Description origin NASIS
Country United States
State Maryland
County Anne Arundel
MLRA 149A -- Northern Coastal Plain
Soil Survey Area MD003 -- Anne Arundel County, Maryland
3-HAM -- Hammonton, New Jersey
Map Unit CoC -- Collington-Wist complex, 5 to 10 percent slopes
Quad Name South River, Maryland
Std Latitude 38.8983028
Std Longitude -76.5588333
Latitude 38 degrees 53 minutes 53.89 seconds north
Longitude 76 degrees 33 minutes 31.80 seconds west
Datum NAD83
UTM Zone 18
UTM Easting 364821 meters
UTM Northing 4306646 meters
Primary Earth Cover Tree cover
Secondary Earth Cover Intermixed conifers and hardwoods
Parent Material glauconite bearing loamy marine deposits and/or fluviomarine deposits
Description database KSSL
Diagnostic Features ochric epipedon 0 to 37 cm.
argillic horizon 37 to 147 cm.
aquic conditions 37 to 200 cm.
Elevation (meters) 10.6
Aspect 270
Drainage Class somewhat poorly
Horizon Details

Oe--0 to 2 centimeters (0.0 to 0.8 inches); very dark grayish brown (10YR 3/2) moderately decomposed plant material; abrupt smooth boundary. Lab sample # 14N02749

A--2 to 13 centimeters (0.8 to 5.1 inches); very dark gray (10YR 3/1) loam; 10 percent clay; strong very fine subangular blocky, and strong fine subangular blocky structure; common very fine roots and common fine roots; abrupt wavy boundary. Lab sample # 14N02750

EA--13 to 23 centimeters (5.1 to 9.1 inches); yellowish brown (10YR 5/4) fine sandy loam; 12 percent clay; weak coarse subangular blocky, and weak medium subangular blocky structure; common very fine roots and common medium roots and common fine roots and common coarse roots; clear wavy boundary. Lab sample # 14N02751

E--23 to 37 centimeters (9.1 to 14.6 inches); brown (10YR 5/3) fine sandy loam; 15 percent clay; moderate fine single grain; common very fine roots and common medium roots and common fine roots; clear wavy boundary. Lab sample # 14N02752

Bt1--37 to 60 centimeters (14.6 to 23.6 inches); dark yellowish brown (10YR 4/4) sandy clay loam; 25 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; common very fine roots and common medium roots and common fine roots; 2 percent fine distinct irregular 7.5YR 5/4), moist, iron-manganese masses on faces of peds and 4 percent fine distinct irregular 7.5YR 6/2), moist, iron depletions on faces of peds; gradual wavy boundary. Lab sample # 14N02753

Bt2--60 to 75 centimeters (23.6 to 29.5 inches); dark yellowish brown (10YR 4/4) sandy clay loam; 25 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; common medium roots and common fine roots; 10 percent fine distinct irregular 7.5YR 6/2), moist, iron depletions on faces of peds and 15 percent fine distinct irregular 7.5YR 5/4), moist, iron-manganese masses on faces of peds; clear wavy boundary. Lab sample # 14N02754

Bt3--75 to 85 centimeters (29.5 to 33.5 inches); yellowish brown (10YR 5/4) loam; 25 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; common very fine roots; 20 percent fine distinct irregular 7.5YR 6/2), moist, iron depletions on faces of peds and 40 percent fine distinct irregular 5YR 5/4), moist, iron-manganese masses on faces of peds; clear smooth boundary. Lab sample # 14N02755

Btg1--85 to 131 centimeters (33.5 to 51.6 inches); light brownish gray (10YR 6/2) loam; 26 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; common very fine roots; 15 percent fine prominent irregular 5YR 6/6), moist, iron-manganese masses on faces of peds and 25 percent fine distinct irregular 5YR 6/3), moist, iron-manganese masses on faces of peds; clear wavy boundary. Lab sample # 14N02756

Btg2--131 to 147 centimeters (51.6 to 57.9 inches); light brownish gray (10YR 6/2) sandy clay loam; 25 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; common very fine roots; 15 percent fine prominent irregular 5YR 6/6), moist, iron-manganese masses on faces of peds and 25 percent fine distinct irregular 5YR 6/3), moist, iron-manganese masses on faces of peds. Lab sample # 14N02757

C--147 to 156 centimeters (57.9 to 61.4 inches); reddish yellow (5YR 7/6) loamy sand; 6 percent clay; structureless massive; common fine roots; 20 percent fine prominent irregular 5YR 4/1), moist, iron depletions and 25 percent fine distinct irregular 5YR 5/4), moist, iron-manganese masses. Lab sample # 14N02758

Cg--156 to 187 centimeters (61.4 to 73.6 inches); light gray (7.5YR 7/1) sandy loam; 13 percent clay; moderate medium platy structure; common fine roots; 15 percent fine prominent irregular 5YR 5/6), moist, iron-manganese masses; 8 percent nonflat subrounded indurated 2 to 5-millimeter quartzite fragments. Lab sample # 14N02759

C'--187 to 200 centimeters (73.6 to 78.7 inches); very dark gray (5Y 3/1) and 10Y 8/6 (10Y 8/6) and reddish yellow (5YR 6/8) stratified sand to loamy sand; structureless single grain; . Lab sample # 14N02760

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.