Megapit Details - NEON Data

D10 CPER Megapit Soils Description

PEDON DESCRIPTION

Print Date: Apr 1 2015	Country:
Description Date: Aug 13 2012	State: Colorado
Describer: Andy Steinert	County: Weld
Site ID: S12CO123001	MLRA: 67B -- Central High Plains, Southern Part
Site Note: Central Plains Experimental Range NEON Site	Soil Survey Area: CO617 -- Weld County, Colorado, Northern Part 5-FTM -- Fort Morgan, Colorado
Pedon ID: S2012CO123001	Map Unit: 4 -- Ascalon fine sandy loam, 0 to 6 percent slopes
Pedon Note:	Quad Name: Eastman Creek South, Colorado
Lab Source ID: SSL	Std Latitude: 40.8131111
Lab Pedon #: 12N8293	Std Longitude: -104.7443889
User Transect ID:
Soil Name as Described/Sampled: Ascalon
Classification: Fine-loamy, mixed, superactive, mesic Aridic Argiustolls	Latitude: 40 degrees 48 minutes 47.20 seconds north
Soil Name as Correlated:	Longitude: 104 degrees 44 minutes 39.80 seconds west
Classification:	Datum: WGS84
Pedon Type: correlates to named soil	UTM Zone: 13
Pedon Purpose: research site	UTM Easting: 521558 meters
Taxon Kind: series	UTM Northing: 4518042 meters
Associated Soils:
Physiographic Division: Interior Plains	Primary Earth Cover: Grass/herbaceous cover
Physiographic Province: Great Plains Province	Secondary Earth Cover: Grassland rangeland
Physiographic Section: Colorado Piedmont	Existing Vegetation: blue grama, needle and thread, plains pricklypear, rabbitbrush, sand sagebrush
State Physiographic Area:	Parent Material: eolian deposits over residuum weathered from sandstone
Local Physiographic Area:	Bedrock Kind:
Geomorphic Setting: on backslope of hill	Bedrock Depth:
Upslope Shape: convex	Bedrock Hardness:
Cross Slope Shape: concave	Bedrock Fracture Interval:
Particle Size Control Section: 30 to 80 cm.	Surface Fragments:
Description origin: Pedon PC 5.0	Description database: KSSL

Diagnostic Features:

mollic epipedon 0 to 30 cm.
argillic horizon 30 to 81 cm.

Cont. Site ID: S12CO123001

Pedon ID: S2012CO123001

Slope (%)	Elevation (meters)	Aspect (deg)	MAAT (C)	MSAT (C)	MWAT (C)	MAP (mm)	Frost-Free Days	Drainage Class	Slope Length (meters)	Upslope Length (meters)
2.0	1,682.5	265						well

A--0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3) broken face fine sandy loam, dark brown (10YR 3/3) broken face, moist; 75 percent sand; 11 percent silt; 14 percent clay; single grain, and weak fine subangular blocky; moderately hard, very friable, nonsticky, nonplastic; common very fine roots throughout and common medium roots throughout and common fine roots throughout; noneffervescent, by HCl, 1 normal; slightly acid, pH 6.2, pH meter; clear smooth boundary. Lab sample # 12N04726

BA--10 to 30 centimeters (3.9 to 11.8 inches); brown (10YR 5/3) broken face fine sandy loam, dark brown (10YR 3/3) broken face, moist; 75 percent sand; 9 percent silt; 16 percent clay; moderate coarse subangular blocky structure; hard, very friable, nonsticky, nonplastic; common very fine roots throughout and common medium roots throughout and common fine roots throughout; noneffervescent, by HCl, 1 normal; neutral, pH 6.6, pH meter; gradual smooth boundary. Lab sample # 12N04727

Bt1--30 to 54 centimeters (11.8 to 21.3 inches); brown (10YR 5/3) broken face sandy clay loam, dark yellowish brown (10YR 4/4) broken face, moist; 60 percent sand; 16 percent silt; 24 percent clay; moderate medium prismatic parts to moderate medium angular blocky, and moderate medium prismatic parts to moderate coarse angular blocky, and moderate coarse prismatic parts to moderate medium angular blocky, and moderate coarse prismatic parts to moderate coarse angular blocky structure; very hard, friable, slightly sticky, slightly plastic; common very fine roots throughout and common fine roots throughout; 5 percent distinct clay films on all faces of peds; noneffervescent, by HCl, 1 normal; neutral, pH 7.3, pH meter; clear wavy boundary. Lab sample # 12N04728, 12N04733

Bt2--54 to 81 centimeters (21.3 to 31.9 inches); brown (10YR 5/3) broken face sandy clay loam, dark brown (10YR 3/3) broken face, moist; 55 percent sand; 14 percent silt; 31 percent clay; strong coarse prismatic parts to strong coarse angular blocky, and strong coarse prismatic parts to strong medium angular blocky, and strong medium prismatic parts to strong coarse angular blocky, and strong medium prismatic parts to strong medium angular blocky structure; extremely hard, friable, slightly sticky, moderately plastic; common very fine roots throughout and common fine roots throughout and ; 20 percent distinct clay films on all faces of peds; noneffervescent, by HCl, 1 normal; slightly alkaline, pH 7.7, pH meter; clear wavy boundary. Lab sample # 12N04729

Bk1--81 to 137 centimeters (31.9 to 53.9 inches); brown (10YR 5/3) broken face sandy clay loam, dark yellowish brown (10YR 4/6) broken face, moist; 50 percent sand; 20 percent silt; 30 percent clay; weak coarse prismatic parts to moderate coarse subangular blocky, and weak coarse prismatic parts to moderate medium subangular blocky structure; hard, very friable, moderately sticky, moderately plastic; common very fine roots throughout and common fine roots throughout; 2 percent coarse irregular carbonate masses on faces of peds and 2 percent fine threadlike carbonate masses on faces of peds and 1 percent medium irregular carbonate masses on faces of peds; strong effervescence, by HCl, 1 normal; moderately alkaline, pH 8.1, pH meter; clear wavy boundary. Lab sample # 12N04730

Bk2--137 to 181 centimeters (53.9 to 71.3 inches); brown (10YR 5/3) broken face sandy clay loam, dark yellowish brown (10YR 4/6) broken face, moist; 55 percent sand; 23 percent silt; 22 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, very friable, slightly sticky, moderately plastic; common very fine roots throughout; 2 percent fine threadlike carbonate masses on faces of peds; strong effervescence, by HCl, 1 normal; moderately alkaline, pH 8.1, pH meter; abrupt broken boundary. Lab sample # 12N04731

2C--181 to 210 centimeters (71.3 to 82.7 inches); light gray (10YR 7/2) broken face silty clay loam, light gray (10YR 7/1) broken face, moist; 18 percent sand; 50 percent silt; 32 percent clay; structureless massive; loose, loose, moderately sticky, moderately plastic; common very fine roots throughout; 2 percent fine threadlike carbonate masses on faces of peds and 1 percent fine irregular carbonate masses on faces of peds; 6 percent nonflat angular very strongly cemented 5 to 20-millimeter sandstone fragments; strong effervescence, by HCl, 1 normal; moderately alkaline, pH 7.9, pH meter. Lab sample # 12N04737, 12N04732