LOCATION FUNSTON                 CA

Established Series
CES/JBB
09/2021

FUNSTON SERIES

The Funston series consists of very deep, poorly or very poorly drained soils formed in alluvium derived from igneous and metamorphic rocks. The Funston soils are on flood plains and flood-plain steps of the Sierra Nevada Mountains. Slopes range from 0 to 15 percent. The mean annual precipitation is about 1000 mm and the mean annual air temperature is about 5 degrees C.

TAXONOMIC CLASS: Sandy-skeletal, isotic, frigid Aquandic Fluvaquents

TYPICAL PEDON: Funston sand on a northeast-facing (70 degree), 2 percent slope under a canopy of black cottonwood and lodgepole pine at an elevation of 1996 meters. (Colors are for dry soils unless otherwise noted. When described on July 25, 2016 the soil was moist throughout.)

C--0 to 6 cm; pale brown (10YR 6/3) sand, yellowish brown (10YR 5/4) moist; 3 percent clay; structureless single grain; loose, loose, nonsticky, nonplastic; many very fine interstitial pores; 5 percent rounded indurated granite gravel; NaF pH 7.5; moderately acid (pH 5.7); clear smooth boundary. (0 to 10 cm thick)

A/C--6 to 26 cm; grayish brown (10YR 5/2) highly organic coarse sand, very dark brown (10YR 2/2) moist; 3 percent clay; structureless single grain; loose, loose, nonsticky, nonplastic; common very fine, fine, medium, and coarse roots throughout; many very fine interstitial pores; 5 percent rounded indurated granite gravel; NaF pH 8.5; moderately acid (pH 5.6); clear smooth boundary. (4 to 25 cm thick)

Cg1--26 to 58 cm; light gray (10YR 7/2) very gravelly coarse sand, 30 percent yellowish brown (10YR 5/6) oxidized and 70 percent grayish brown (10YR 5/2) reduced moist; 1 percent clay; loose, loose, nonsticky, nonplastic; many very fine interstitial pores; 30 percent medium prominent irregular yellowish brown (10YR 5/6) moist, masses of oxidized iron with clear boundaries throughout; 55 percent rounded indurated granite gravel; NaF pH 8.0; moderately acid (pH 5.6); gradual smooth boundary.

Cg2--58 to 150 cm; light gray (10YR 7/2) extremely gravelly coarse sand, 30 percent yellowish brown (10YR 5/6) oxidized and 70 percent grayish brown (10YR 5/2) reduced moist; 1 percent clay; structureless single grain; loose, loose, nonsticky, nonplastic; many very fine interstitial pores; 30 percent medium prominent irregular yellowish brown (10YR 5/6) moist, masses of oxidized iron with clear boundaries throughout; 75 percent rounded indurated granite gravel; NaF pH 8.0; moderately acid (pH 5.8).(combined thickness of Cg horizons is 50 to 150 cm)

TYPE LOCATION: Tulare County, California; Kern Canyon, approximately 2 km south of junction with Rattlesnake Creek; USGS 7.5 minute topographic quadrangle: Chagoopa Falls, California; WGS84 36.401874 latitude and -118.410928 longitude; UTM zone 11 4029448 meters N 373488 meters E WGS84.

RANGE IN CHARACTERISTICS:
Soil temperature: The mean annual soil temperature at 50 cm is 0 to 8 degrees C and the difference between mean summer and mean winter soil temperature is greater than 6 degrees C. The soils have a frigid temperature regime.

Soil moisture: The soil is saturated in some part throughout the year, with a seasonal high water table dropping below 50 cm in late summer and fall. The soils have an aquic soil moisture regime.

Diagnostic Feature(s):
Ochric epipedon thickness: 18 cm
Aquic conditions: present within 25 cm

Organic matter: 2 to 20 percent in the epipedon

Reaction: slightly to strongly acid

Base saturation: less than 50 percent (by ammonium acetate)

Depth to redoximorphic features: 7 to 25 cm

Particle size control section weighted average:
Rock fragments: 35 to 75 percent, with 30 to 75 percent gravel, 0 to 30 percent cobbles, and 0 to 30 percent stones.
Clay content: 0 to 6 percent

Surface C horizon (where present)
Hue: 7.5YR, 10YR
Value: 6 dry, 5 moist
Chroma: 3 dry, 4 moist
Texture: coarse sand, sand
Clay content: 0 to 5 percent
Rock fragments: 0 to 20 percent gravel
0 to 10 percent gravel
0 to 10 percent cobbles
0 to 10 percent stones

A or A/C horizon
Hue: 7.5YR, 10YR
Value: 4 to 6 dry, 2 to 4 moist
Chroma: 1 to 3 dry, 1 or 2 moist
Texture: coarse sand, sand, loamy sand, sandy loam, silt loam (often with mucky or highly organic modifiers)
Clay content: 3 to 15 percent
Rock fragments: 0 to 15 percent
0 to 10 percent gravel
0 to 10 percent cobbles
0 to 10 percent stones

Cg or subsurface C horizons
Hue: 7.5YR, 10YR, 2.5Y
Value: 4 to 6 dry, 2 to 5 moist
Chroma: 1 to 3, dry or moist
Texture: coarse sand, sand, loamy sand, loamy fine sand
Clay content: 0 to 6 percent
Rock fragments: 35 to 85 percent
0 to 75 percent gravel
0 to 30 percent cobbles
0 to 20 percent stones
Redoximorphic Features:
Oxidized iron masses in matrix
Quantity: few to many
Size: fine, medium, and coarse
Reduced matrix
None to present

COMPETING SERIES: There are no other series in this family at this time.

GEOGRAPHIC SETTING: The Funston soils are on linear to concave flood plains and flood-plain steps of glacial-valley floors. Slopes range from 0 to 15 percent. These soils formed in alluvium derived from igneous and metamorphic rocks. Elevation is 1845 to 3115 meters. The climate is Mediterranean with warm, dry summers and cool, moist winters. The mean annual precipitation 445 to 1350 mm and the mean annual air temperature is 3 to 9 degrees C. The frost free season is 60 to 145 days.

GEOGRAPHICALLY ASSOCIATED SOILS: These are the Pineridge and Wager soils. The Pineridge soils are somewhat poorly or poorly drained soils on flood plain steps, have an umbric epipedon, and have less than 35 percent rock fragments in the particle size control section. The Wager soils are very poorly drained organic soils on floodplains.

DRAINAGE AND PERMEABILITY: Poorly or very poorly drained, moderately high to very high saturated hydraulic conductivity, occasional to frequent flooding for very brief to long (4 hours to 30 days) duration from May to July, occasional to frequent ponding for brief to long duration from May to July. Seasonal high water table at 0 to 25 cm.

USE AND VEGETATION: This soil is used for recreation, wildlife habitat, and watershed. Vegetation is carex, horsetail, Sierra willow, Lemmon's willow, lodgepole pine, quaking aspen, and black cottonwood.

DISTRIBUTION AND EXTENT: Sierra Nevada Mountains of California; MLRA 22A. These soils are not extensive.

SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Davis, California

SERIES PROPOSED: Tulare County, California in Sequoia and Kings Canyon National Parks. Source of name from Funston Meadow in Sequoia National Park.

REMARKS:
Particle Size Control Section for this pedon: 25 to 100 cm
Diagnostic horizons and features recognized in this pedon are:
Ochric Epipedon 0 to 18 cm
Aquic Conditions 26 to 150 cm
Reduced Matrix 26 to 150 cm
Redox Concentrations 26 to 58 cm

ADDITIONAL DATA:
NASIS User Pedon ID: 2016CA7922007

Soil classified using the 12th Edition of the Keys to Soil Taxonomy.

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National Cooperative Soil Survey
U.S.A.