San Joaquin Experimental Range NEON (SJER) 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

D17 SJER megapit soil profile 0-176 cm

soil profile

D17 SJER megapit soil profile 0-36 cm

soil profile

D17 SJER megapit soil profile 16-57 cm

soil profile

D17 SJER megapit soil profile 39-81 cm

soil profile

D17 SJER megapit soil profile 75-118 cm

soil profile

D17 SJER megapit soil 117-175 cm

soil profile

D17 SJER megapit soil profile 150-175 cm

Megapit Pedon Description

Print Date Feb 21 2018
Description Date Nov 15 2016
Describer Julie Baker
Site ID S2016CA019003_MP
Pedon ID S2016CA039001
Lab Source ID KSSL
Lab Pedon # 17N0137
Soil Name as Described/Sampled SJER
Geomorphic Setting on backslope of interfluve of hillslope
on backslope of interfluve of hills
Upslope Shape convex
Cross Slope Shape convex
Particle Size Control Section 25 to 100 cm.
Description origin NASIS
State California
County Fresno
MLRA 18 -- Sierra Nevada Foothills
Latitude 37 degrees 6 minutes 25.56 seconds north
Longitude 119 degrees 43 minutes 58.80 seconds west
Datum WGS84
UTM Zone 11
UTM Easting 257145 meters
UTM Northing 4110249 meters
Primary Earth Cover Tree cover
Secondary Earth Cover Intermixed conifers and hardwoods
Parent Material sandy eolian deposits over alluvium
Bedrock Kind granite
Bedrock Depth 170 centimeters
Bedrock Hardness strongly cemented
Bedrock Fracture Interval 200 centimeters or more
Description database KSSL
Diagnostic Features mollic epipedon 0 to 57 cm.
Top Depth (cm) 129
Bottom Depth (cm) 170
Restriction Kind bedrock, paralithic
Restriction Hardness weakly cemented
Top Depth (cm) 170
Bottom Depth (cm) 185
Restriction Kind bedrock, lithic
Restriction Hardness strongly cemented
Slope (%) 15.0
Elevation (meters) 374.0
Aspect (deg) 17
Drainage Class well
Horizon Details

A1--0 to 8 centimeters (0.0 to 3.1 inches); dark brown (7.5YR 3/2) loamy sand, brown (10YR 5/3), dry; 82 percent sand; 3 percent clay; weak medium subangular blocky parts to moderate medium granular structure; soft, very friable, slightly sticky, nonplastic; common very fine roots throughout and common fine roots throughout; many very fine irregular and common fine tubular and common fine irregular pores; 7 percent nonflat subrounded very strongly cemented 2 to 75-millimeter granite fragments; noneffervescent; moderately acid, pH 6.0, pH indicator solutions; clear smooth boundary. Lab sample # 17N00822

A2--8 to 34 centimeters (3.1 to 13.4 inches); dark brown (7.5YR 3/2) loamy coarse sand, brown (10YR 5/3), dry; 83 percent sand; 2 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; common very fine roots throughout; many very fine irregular and common medium irregular and common fine irregular pores; 7 percent nonflat subrounded very strongly cemented 2 to 75-millimeter granite fragments; noneffervescent; moderately acid, pH 5.8, pH indicator solutions; gradual smooth boundary. Lab sample # 17N00823

BA--34 to 57 centimeters (13.4 to 22.4 inches); dark brown (7.5YR 3/3) loamy coarse sand, brown (10YR 5/3), dry; 84 percent sand; 3 percent clay; weak coarse subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; common very fine roots throughout; many very fine irregular and common fine irregular pores; 5 percent nonflat subrounded very strongly cemented 2 to 75-millimeter granite fragments; noneffervescent; moderately acid, pH 5.8, pH indicator solutions; gradual smooth boundary. Lab sample # 17N00824

Bw--57 to 81 centimeters (22.4 to 31.9 inches); brown (7.5YR 4/3) loamy coarse sand, brown (10YR 5/3), dry; 79 percent sand; 4 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; moderately hard, firm, slightly sticky, nonplastic; few very fine roots throughout; common very fine irregular and common fine irregular pores; 5 percent nonflat rounded very strongly cemented 2 to 75-millimeter granite fragments; noneffervescent; moderately acid, pH 5.6, pH indicator solutions; abrupt smooth boundary. Lab sample # 17N00825

C--81 to 129 centimeters (31.9 to 50.8 inches); brown (7.5YR 4/4) coarse sand, light brown (7.5YR 6/4), dry; 97 percent sand; 1 percent clay; weak very thick platy structure; hard, very firm, nonsticky, nonplastic; very few very fine roots throughout; common very fine irregular pores; 10 percent nonflat rounded very strongly cemented 2 to 75-millimeter granite fragments; 20 percent krotovinas (volume percent); noneffervescent; moderately acid, pH 6.0, pH indicator solutions; gradual smooth boundary. Lab sample # 17N00826

Cr--129 to 170 centimeters (50.8 to 66.9 inches); bedrock; structureless massive. Lab sample # 17N00827

R--170 to 185 centimeters (66.9 to 72.8 inches); strongly cemented granite bedrock, fractured at intervals of 200 centimeters or more

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.