PEDON DESCRIPTION

Print Date: Oct 20 2020 Country:
Description Date: Sep 17 2008State: Washington
Describer: Toby RodgersCounty: Whatcom
Site ID: S2008WA073101MLRA: 3 -- Olympic and Cascade Mountains
Site Note: A horizon feels smeary from weathered ash and high organic matter content; Weight of rocks in Bw horizon - 3.7 lbs; B/C horizon cobbles very grus like; Bedrock controlled slope with many dips and risesSoil Survey Area: WA774 -- North Cascades National Park Complex, Washington
Pedon ID: S2008WA073101Map Unit: 9016 -- Doubtful-Triumph-Perfect complex, 35 to 100 percent slopes
Pedon Note: Pedon sampled for lab analysis to characterize soils at Easy Ridge SnoTel locationQuad Name: Mount Blum, Washington
Lab Source ID: Std Latitude: 48.8591652
Lab Pedon #: 09N0408Std Longitude: -121.4388885
User Transect ID:
Soil Name as Described/Sampled: Treen
Classification:
Soil Name as Correlated: Treen
Classification: Medial, amorphic Lithic Haplocryands
Pedon Type: correlates to named soil
Pedon Purpose: full pedon description
Taxon Kind: series
Associated Soils:
Physiographic Division: Primary Earth Cover: Tree cover
Physiographic Province: Secondary Earth Cover: Conifers
Physiographic Section: Vegetation: Alaska cedar, Cascade bilberry, mountain hemlock, pink mountainheath, subalpine fir, thinleaf huckleberry, western moss heather
State Physiographic Area: Parent Material: volcanic ash and/or ablation till over residuum weathered from granite
Local Physiographic Area: Bedrock Kind: Granite
Geomorphic Setting: on shoulder of ridge on north cascades mountain rangeBedrock Depth: 50 centimeters
Upslope Shape: convexBedrock Hardness: indurated
Cross Slope Shape: convexBedrock Fracture Interval: 10 to less than 45 centimeters
Particle Size Control Section: 8 to 50 cm.Surface Fragments:
Description origin: NASISDescription database: MLRA01_Portland
Diagnostic Features: umbric epipedon 8 to 20 cm.
andic soil properties 8 to 33 cm.
cambic horizon 20 to 50 cm.
paralithic materials 33 to 50 cm.
lithic contact 50 to 75 cm.

Top Depth (cm)Bottom Depth (cm)Restriction Kind Restriction Hardness
50
bedrock, lithicIndurated



Cont. Site ID: S2008WA073101Pedon ID: S2008WA073101

Slope (%)Elevation (meters)Aspect (deg)MAAT (C)MSAT (C)MWAT (C)MAP (mm)Frost-Free DaysDrainage ClassSlope Length (meters)Upslope Length (meters)
10.01,610.02003.9

2,21045well


Oi--0 to 3 centimeters (0.0 to 1.2 inches); peat; low excavation difficulty; common very fine roots throughout and many medium roots throughout and many fine roots throughout and common coarse roots throughout; abrupt smooth boundary.

Oa--3 to 8 centimeters (1.2 to 3.1 inches); muck; 65 percent sand; 34 percent silt; 1 percent clay; low excavation difficulty; common very fine roots throughout and few medium roots throughout and common fine roots throughout and few coarse roots throughout; common very fine low-continuity dendritic tubular and common fine low-continuity dendritic tubular pores; abrupt smooth boundary.

E--8 to 10 centimeters (3.1 to 3.9 inches); very dark grayish brown (10YR 3/2) crushed ashy fine sandy loam, grayish brown (10YR 5/2) crushed, dry; 65 percent sand; 34 percent silt; 1 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; low excavation difficulty; few very fine roots throughout; common very fine low-continuity interstitial pores; strongly acid, pH 5.5, pH indicator strip; abrupt smooth boundary.

A--10 to 20 centimeters (3.9 to 7.9 inches); very dark brown (10YR 2/2) crushed ashy sandy loam, dark grayish brown (10YR 4/2) crushed, dry; 60 percent sand; 37 percent silt; 3 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; low excavation difficulty; common very fine roots throughout and few medium roots throughout and common fine roots throughout; common very fine low-continuity irregular and common fine low-continuity irregular pores; strongly acid, pH 5.5, pH indicator strip; abrupt smooth boundary.

Bw--20 to 33 centimeters (7.9 to 13.0 inches); dark yellowish brown (10YR 3/4) crushed ashy gravelly sandy loam, yellowish brown (10YR 5/4) crushed, dry; 65 percent sand; 31 percent silt; 4 percent clay; moderate medium subangular blocky parts to weak fine subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; low excavation difficulty; few very fine roots throughout and few medium roots throughout and few fine roots throughout; common very fine low-continuity irregular and common medium low-continuity irregular and common fine low-continuity irregular pores; 5 percent nonflat subrounded indurated 2 to 5-millimeter Granite fragments and 5 percent nonflat subrounded indurated 5 to 75-millimeter Granite fragments and 10 percent nonflat subrounded indurated 75 to 250-millimeter Granite fragments; strongly acid, pH 5.5, pH indicator strip; clear wavy boundary.

B/C--33 to 50 centimeters (13.0 to 19.7 inches); dark yellowish brown (10YR 3/6) crushed gravelly coarse sandy loam, yellowish brown (10YR 5/6) crushed, dry; 70 percent sand; 26 percent silt; 4 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; moderate excavation difficulty; few very fine roots throughout and few fine roots throughout; common very fine low-continuity irregular and common medium low-continuity irregular and common fine low-continuity irregular pores; 5 percent nonflat subrounded indurated 2 to 5-millimeter Granite fragments and 10 percent nonflat subrounded indurated 5 to 75-millimeter Granite fragments; moderately acid, pH 6.0, pH indicator strip; abrupt irregular boundary.

R--50 to 75 centimeters (19.7 to 29.5 inches); .




***  Glossary  of  Codes  ***
Print Date: Oct 20 2020 8:47PM
Reports: NASIS Pedon Description;
Pedons: 09N0408;

*** Method Codes ***
CodeDescription
7B1a2Optical Analysis, Glass Count

*** Preparation Codes ***
CodeDescription / List of Methods
SjjThe air-dried soil passing a No. 10-mesh sieve
 7B1a2

*** Instrument Sets ***
Instrument Set NameList of Methods
Instrument Not Specified7B1a2

*** Analyzed Size Fractions ***
Size FractionList of Methods
0.02-0.05 mm7B1a2
0.1-0.25 mm7B1a2
NSSC SSL Report Creation