LOCATION WASKEY                  AK

Established Series
SAS/NDP/MPR
02/2022

WASKEY SERIES

Landscape--mountain valleys
Landform--alluvial fans
Slope--3 to 15 percent
Parent material--colluvium
Mean annual precipitation--about 1300 mm
Mean annual air temperature--about 0 degrees C
Depth class--very deep
Drainage class--well drained
Soil moisture regime--udic
Soil temperature regime--cryic
Soil moisture subclass--typic

TAXONOMIC CLASS: Loamy-skeletal, isotic Fluventic Humicryepts

TYPICAL PEDON: Waskey fine sandy loam on a southwest-facing, linear alluvial fan on the lower third of a mountain, on a slope of 4 percent at an elevation of 389 m (The soil was moist throughout when described on July 21, 2012.)

A--0 to 13 cm; fine sandy loam, dark grayish brown (10YR 4/2) dry, very dark brown (10YR 2/2) moist; weak fine granular structure; soft, very friable, nonsticky and nonplastic; common very fine, fine, coarse, and very coarse and many medium roots; 13 percent gravel; very strongly acid (pH 4.9); clear smooth boundary

AC--13 to 34 cm; gravelly sandy loam, brown (10YR 5/3) dry, dark brown (10YR 3/3) moist; weak fine subangular blocky structure; soft, very friable, nonsticky and nonplastic; common very fine to very coarse roots; 23 percent gravel and 5 percent cobbles; strongly acid (pH 5.2); clear smooth boundary

C--34 to 150 cm; very gravelly sandy loam, light yellowish brown (10YR 6/4) dry, dark yellowish brown (10YR 4/4) moist; massive; soft, very friable, nonsticky and nonplastic; common fine and medium roots; 38 percent gravel and 10 percent cobbles; strongly acid (pH 5.4)

TYPE LOCATION: Bethel Census Area, Alaska, about 135 km north-northwest of the city of Dillingham; latitude 60.0348818 degrees north, longitude 159.8742934 degrees west, datum WGS 84 (coordinates determined with a GPS)

RANGE IN CHARACTERISTICS:
Mean annual soil temperature--0 to 3 degrees C
Soil moisture control section--dry less than 45 consecutive days in June through October (udic moisture regime)
Lithology of rock fragments--sedimentary, volcanic

Particle-size control section
*Clay content--2 to 14 percent
*Sand content--55 to 75 percent
*Total rock fragment content--35 to 80 percent
*Sodium fluoride pH--8.4 to 11.6
*Ratio of 1500 kPa water to measured clay--0.6 to 6.0

A horizon
Hue--7.5YR, 10YR
Value--2 or 3 moist, 4 or 5 dry
Chroma--2 or 3 moist
Fine-earth texture--fine sandy loam, sandy loam, silt loam
Clay content--3 to 10 percent
Reaction--4.5 to 6.0
Gravel content--0 to 15 percent
Thickness--5 to 25 cm
Bulk density--1.0 to 1.4 g/cm3
Base saturation--0 to 20 percent

AC horizon
Clay content--2 to 10 percent
Reaction--5.0 to 6.5
Total rock fragment content--25 to 70 percent
Gravel content--20 to 60 percent
Cobble content--0 to 15 percent
Thickness--15 to 35 cm
Base saturation--0 to 20 percent

C horizon
Hue--10YR, 2.5Y
Value--3 to 5 moist
Chroma--2 to 4 moist
Fine-earth texture--sandy loam, coarse sandy loam
Clay content--2 to 14 percent
Reaction--5.0 to 6.5
Total rock fragment content--45 to 80 percent
Gravel content--0 to 50 percent
Cobble content--0 to 50 percent
Thickness--90 to 130 cm

COMPETING SERIES: None

GEOGRAPHIC SETTING:
Elevation--50 to 650 m
Climate--warm, moist summers; cold, moist winters
Mean annual precipitation--620 to 2100 mm
Mean annual air temperature-- -3.4 to 1.7 degrees C
Frost-free period--70 to 135 days

GEOGRAPHICALLY ASSOCIATED SOILS:
Ahklun--andic soil properties; mountain slopes
Klak--andic soil properties; lower mountain slopes
Pegati--andic soil properties; aquic conditions below a depth of 25 cm; swales of mountains
Awayak--ochric epipedon; frequent flooding; flood plains
Nagugun--andic soil properties; spodic horizon; glaciated plains
Sundaycreek--andic soil properties; spodic horizon; similar landscape positions
North--andic soil properties; spodic horizon; mountain slopes
Buchia--organic surface horizon; mountain slopes
Nigag--andic soil properties; spodic horizon; mountain slopes
Pungokepuk--andic soil properties; spodic horizon; swales of glaciated plains

DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--well drained
Flooding--rare
Saturated hydraulic conductivity (Ksat)--moderately high or high throughout

USE AND VEGETATION:
Use--wildlife habitat, recreation, subsistence
Potential natural vegetation--balsam poplar, bluejoint, fireweed, field horsetail, woolly geranium, common cowparsnip, Barclay's willow, Canadian burnet, squashberry

DISTRIBUTION AND EXTENT: Ahklun Mountains, Alaska; MLRA 237; small extent

SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: WASILLA, ALASKA

SERIES ESTABLISHED: Togiak National Wildlife Refuge, Bethel Census Area, Alaska; 2019

REMARKS:
Diagnostic horizons and other features in this pedon
*Particle-size control section--zone from 25 to 100 cm
*Umbric epipedon--A and AC horizons

See laboratory pedon number 13N44525 for loamy-skeletal material that has isotic mineralogy.

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National Cooperative Soil Survey
U.S.A.