Abby Road NEON (ABBY) 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

D16 ABBY megapit soil profile 0-200 cm

soil profile

D16 ABBY megapit soil profile 0-68 cm

soil profile

D16 ABBY megapit soil profile 25-90 cm

soil profile

D16 ABBY megapit soil profile 63-139 cm

soil profile

D16 ABBY megapit soil profile 90-151 cm

soil profile

D16 ABBY megapit soil profile 111-195 cm

Megapit Pedon Description

Print Date Feb 18 2016
Description Date Jun 2 2015
Describer D. Ufnar/E. Dahlke
Site ID 2015WA011001
Pedon ID S2015WA011001
Lab Source ID KSSL
Lab Pedon # 15N0680
Soil Name as Described/Sampled Kinney
Classification Fine-loamy, isotic, mesic Andic Humudepts
Pedon Type confirmation description
Pedon Purpose research site
Taxon Kind series
Geomorphic Setting on crest of glacial hill
Upslope Shape convex
Cross Slope Shape convex
Particle Size Control Section 25 to 100 cm.
Description origin NASIS
State Washington
County Clark
MLRA 3 -- Olympic and Cascade Mountains
Soil Survey Area WA011 -- Clark County, Washington
Std Latitude 45.7623840
Std Longitude -122.3296860
Parent Material volcanic ash and/or colluvium over alpine glacial drift
Description database KSSL
Diagnostic Features umbric epipedon 3 to 44 cm.
andic soil properties 3 to 74 cm.
cambic horizon 44 to 200 cm.
Slope (%) 3.0
Elevation (meters) 369.0
Aspect (deg) 180
Drainage Class moderately well
Horizon Details

Oi--0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; abrupt smooth boundary. Lab sample # 15N03474

A--3 to 19 centimeters (1.2 to 7.5 inches); very dark brown (7.5YR 2.5/2) broken face medial loam, dark brown (7.5YR 3/3) broken face, dry; 12 percent clay; strong fine granular structure; soft, friable, slightly sticky, slightly plastic; weakly smeary; many very fine roots between peds and common medium roots throughout and many fine roots between peds and common coarse roots throughout; common fine irregular pores; clear smooth boundary. Lab sample # 15N03475

AB--19 to 44 centimeters (7.5 to 17.3 inches); dark brown (7.5YR 3/2) broken face medial silt loam, brown (7.5YR 4/4) broken face, dry; 19 percent clay; moderate fine subangular blocky structure; soft, friable, slightly sticky, moderately plastic; weakly smeary; many very fine roots between peds and common medium roots throughout and many fine roots between peds and few coarse roots throughout; common very fine irregular and few medium tubular and common fine irregular pores; 10 percent nonflat subangular indurated 2 to 75-millimeter basalt fragments; clear wavy boundary. Lab sample # 15N03476

Bw1--44 to 74 centimeters (17.3 to 29.1 inches); brown (7.5YR 4/4) broken face medial silt loam, strong brown (7.5YR 5/6) broken face, dry; 21 percent clay; strong fine subangular blocky structure; soft, friable, slightly sticky, moderately plastic; weakly smeary; common very fine roots between peds and many medium roots between peds and common fine roots between peds; common very fine tubular and common fine irregular pores; 10 percent nonflat subangular indurated 2 to 75-millimeter basalt fragments; abrupt smooth boundary. Lab sample # 15N03477

2Bw2--74 to 103 centimeters (29.1 to 40.6 inches); 68 percent brown (7.5YR 5/4) broken face and 15 percent strong brown (7.5YR 4/6) broken face and 15 percent yellowish red (5YR 4/6) broken face and 2 percent black (10YR 2/1) broken face silt loam, 68 percent strong brown (7.5YR 5/6) broken face and 15 percent yellowish red (5YR 5/6) broken face and 15 percent strong brown (7.5YR 5/8) broken face and 2 percent dark brown (10YR 3/3) broken face, dry; 25 percent clay; moderate fine subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; nonsmeary; few very fine roots between peds; few fine irregular and common fine tubular pores; 10 percent nonflat rounded moderately cemented 2 to 75-millimeter mixed rock fragments; clear smooth boundary. Lab sample # 15N03478

2BC--103 to 131 centimeters (40.6 to 51.6 inches); 36 percent brown (7.5YR 5/4) broken face and 30 percent strong brown (7.5YR 4/6) broken face and 30 percent yellowish red (5YR 4/6) broken face and 2 percent black (10YR 2/1) broken face and 2 percent pinkish gray (7.5YR 6/2) broken face paragravelly silty clay loam, 36 percent strong brown (7.5YR 5/6) broken face and 30 percent yellowish red (5YR 5/6) broken face and 30 percent strong brown (7.5YR 5/8) broken face and 2 percent dark brown (10YR 3/3) broken face and 2 percent pink (7.5YR 8/3) broken face, dry; 31 percent clay; moderate fine subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; nonsmeary; few very fine roots between peds; 20 percent nonflat rounded weakly cemented 2 to 75-millimeter mixed rock fragments; clear smooth boundary. Lab sample # 15N03479

2C--131 to 200 centimeters (51.6 to 78.7 inches); 36 percent brown (7.5YR 5/4) broken face and 30 percent strong brown (7.5YR 4/6) broken face and 30 percent yellowish red (5YR 4/6) broken face and 2 percent black (10YR 2/1) broken face and 2 percent pinkish gray (7.5YR 6/2) broken face very paragravelly silt loam, 36 percent strong brown (7.5YR 5/6) broken face and 30 percent yellowish red (5YR 5/6) broken face and 30 percent strong brown (7.5YR 5/8) broken face and 2 percent dark brown (10YR 3/3) broken face and 2 percent pink (7.5YR 8/3) broken face, dry; 25 percent clay; structureless massive; slightly hard, firm, slightly sticky, moderately plastic; nonsmeary; 40 percent nonflat rounded very weakly cemented 2 to 75-millimeter mixed rock fragments. Lab sample # 15N03480

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.