LOCATION KINER AK
Established Series
SAS/MPS
05/2022
KINER SERIES
Landscape--hills and mountains
Landform--ridges
Slope--0 to 20 percent
Parent material--gravelly colluvium over residuum
Mean annual precipitation--about 495 mm
Mean annual air temperature--about -3 degrees C
Depth class--shallow
Drainage class--somewhat excessively drained
Soil moisture regime--udic
Soil temperature regime--cryic
Soil moisture subclass--typic
TAXONOMIC CLASS: Loamy-skeletal, mixed, superactive, shallow Typic Dystrocryepts
TYPICAL PEDON: Kiner very gravelly sandy loam on a south facing convex, convex shoulder, on a slope of 15 percent at an elevation of 302 m (The soil was dry throughout the profile when described on September 5, 2019.)
A--0 to 3 cm; very gravelly sandy loam, dark brown (10YR 3/3) dry, very dark brown (10YR 2/2) moist; weak fine granular structure; very friable, very sticky, nonplastic; nonsmeary; common very fine, fine, and medium roots; 5 percent angular cobbles, 45 percent angular gravel; very strongly acid (pH 4.8); clear irregular boundary
Bw1--3 to 19 cm; extremely gravelly sandy loam, yellowish brown (10YR 5/6) dry, dark yellowish brown (10YR 3/4) moist; weak very fine granular structure; very friable, very sticky, nonplastic; nonsmeary; common very fine and fine roots; 15 percent angular cobbles, 45 percent angular gravel; moderately acid (pH 5.6); abrupt irregular boundary
Bw2--19 to 40 cm; extremely gravelly sandy loam, dark yellowish brown (10YR 4/6) dry, dark yellowish brown (10YR 3/4) moist; weak very fine granular structure; very friable, very sticky, nonplastic; nonsmeary; common very fine and fine roots; 15 percent angular cobbles, 70 percent angular gravel; strongly acid (pH 5.4); very abrupt irregular boundary
2Cr--40 to 150 cm;
TYPE LOCATION: Yukon-Koyukuk Census Area, Alaska, latitude 63.1091655 longitude -160.3655243 degrees, datum WGS84 (Coordinates determined with a GPS unit)
RANGE IN CHARACTERISTICS:
Mean annual soil temperature--0 to 4 degrees C
Soil moisture control section--dry less than 45 consecutive days in June through October (udic soil moisture regime
Thickness of ochric epipedon--2 to 16 cm
Thickness of cambic horizon--25 to 50 cm
Depth to paralithic contact--25 to 50 cm
Particle Size Control Section:
*Clay--5 to 13 percent
*Total fragments--70 to 85 percent gravel and cobbles
A horizon
Hue--7.5YR or 10YR
Value--2 or 2.5 moist, 3 to 5 dry
Chroma--1 to 3
Fine-earth texture--silt loam, sandy loam
Clay--3 to 8 percent
Sand--30 to 65 percent
Organic carbon--5 to 8 percent
Total rock fragment content--20 to 50 percent
Total gravel content--20 to 45 percent
Total cobble content--0 to 5 percent
Reaction--4.4 to 5.0
Thickness--2 to 16 cm
Bw1 horizon
Hue--7.5YR or 10YR
Value--2.5 or 3 moist, 4 to 6 dry
Chroma--2 to 6
Fine-earth texture--sandy loam, loam
Clay--4 to 10 percent
Sand--40 to 60 percent
Organic carbon--1 to 3 percent
Total rock fragment content--25 to 60 percent
Total gravel content--25 to 45 percent
Total cobble content--0 to 15 percent
Reaction--4.8 to 5.6
Thickness--5 to 10 cm
Bw2 horizon
Hue--7.5YR or 10YR
Value--2.5 or 3 moist, 4 or 5 dry
Chroma--3 to 6
Fine-earth texture--sandy loam, loam
Clay--4 to 13 percent
Sand--45 to 70 percent
Organic carbon--1 to 2 percent
Total rock fragment content--75 to 85 percent
Total gravel content--65 to 70 percent
Total cobble content--10 to 15 percent
Reaction--4.3 to 5.4
Thickness--10 to 25 cm
2Cr horizon
COMPETING SERIES:
*
Akiuk--well drained, channers present; ridges on mountains
*
Gilmore--very shallow or shallow to bedrock, parent material is silty micaceous loess over weathered schist bedrock; hillsides, mountainsides, and ridgetops
*
Brigadier--micaceous loess mantle present, organic surface layer present, paralithic material is schist bedrock; hills and mountain slopes
*
Angel--well drained, organic layers present, loess mantle present textures range to loamy coarse sand, loess over weathered granite residuu;, hillsides, mountainsides, and ridgetops
GEOGRAPHIC SETTING:
*Elevation--50 to 600 m
*Climate--warm, moist summers; cold, dry winters
*Mean annual precipitation--410 to 555 mm
*Mean annual air temperature-- -5 to -1 degrees C
*Frost-free period--55 to 90 days
GEOGRAPHICALLY ASSOCIATED SOILS:
*
Myoukchuk--deep to paralithic contact, fragmental particle-size class, hillslopes and mountain slopes
*
Chiroskey--umbric epipedon, isotic mineralogy, hillslopes and mountain slopes
*Iitruk--very deep, isotic mineralogy, evidence of illuvial sesquioxides and organic matter; saddles on mountains
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
*Drainage class--somewhat excessively drained
*Saturation during normal years--none
*Saturated hydraulic conductivity (Ksat)--high to moderately high throughout the profile
USE AND VEGETATION:
Use--wildlife habitat, recreation, subsistence
Potential native vegetation--Quaking aspen, ehite spruce, lingonberry, dwarf birch, black crowberry, alpine bearberry, cup lichen, reindeer lichen, crustose lichen, greygreen reindeer lichen, witch's hair lichen, snow lichen, bryocaulon lichen, star reindeer lichen, Moss, alpine sweetgrass, running clubmoss, beautiful sandwort, alpine azalea, tomentose snow lichen, polytrichum moss, Siberian alder, grayleaf willow, kenai birch, fireweed, Schreber's big red stem moss, nodding arnica, whiteworm lichen, racomitrium moss
DISTRIBUTION AND EXTENT: Yukon-Kuskokwim Highlands, Alaska; MLRA 230; small extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: WASILLA, ALASKA
SERIES ESTABLISHED: Nulato Hills BLM area, Yukon-Koyukuk Census Area, Alaska; 2021
REMARKS:
Diagnostic horizons and features recognized in this pedon
*Particle-size control section--zone from 25 to 40 cm
*Ochric epipedon--zone from 0 to 3 cm
*Cambic horizon--zone from 0 to 40 cm
*Lithologic discontinuity--40 to 150 cm
*Paralithic contact--at 40 cm
National Cooperative Soil Survey
U.S.A.