LOCATION TYEEN AK
Established Series
IRD. NDP/SCD
02/2022
TYEEN SERIES
Landscape--mountain valleys
Landform--glacial-valley floors
Slope--0 to 45 percent
Parent material--till
Mean annual precipitation--about 1400 mm
Mean annual air temperature--about 5 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, mixed, superactive, calcareous Typic Cryorthents
TYPICAL PEDON: Tyeen very gravelly sandy loam, forested, on a glacial-valley floor, on a slope of 11 percent at an elevation of 72 m (When described on July 7, 2013, the soil was moist from the surface to a depth of 150 cm.)
Oe--0 to 4 cm; moderately decomposed plant material; moderately acid (pH 5.9); clear smooth boundary
A--4 to 12 cm; very gravelly sandy loam, dark grayish brown (10YR 4/2) dry, very dark brown (10YR 2/2) moist; moderate fine granular structure; soft, very friable, nonsticky and nonplastic; common very fine, coarse, and very coarse and many fine and medium roots throughout; common very fine and fine irregular pores; 4 percent subangular stones, 12 percent subrounded cobbles, and 35 percent rounded gravel; slightly effervescent; moderately alkaline (pH 7.9); clear smooth boundary
C1--12 to 50 cm; very gravelly coarse sandy loam, very pale brown (10YR 7/4) dry, yellowish brown (10YR 5/4) moist; massive; slightly hard, friable, nonsticky and nonplastic; common fine, coarse, and very coarse and many medium roots throughout; common very fine and fine irregular pores; 5 percent subangular stones, 15 percent subrounded cobbles, and 35 percent rounded gravel; slightly effervescent; moderately alkaline (pH 7.9); clear smooth boundary
C2--50 to 150 cm; very gravelly sandy loam, very pale brown (10YR 7/3) dry, brown (10YR 5/3) moist; massive; moderately hard, firm, slightly sticky and slightly plastic; common fine roots in upper part; common very fine and few fine irregular pores; 10 percent subrounded cobbles and 30 percent rounded gravel; slightly effervescent; moderately alkaline (pH 8.0)
TYPE LOCATION: Glacier Bay National Park and Preserve-Gustavus Area, Alaska; Hoonah-Angoon Census Area; latitude 58.8246874, longitude -136.0748543, datum WGS84 (coordinates determined by a GPS unit)
RANGE IN CHARACTERISTICS:
Mean annual soil temperature--1 to 7 degrees C
Soil moisture control section--dry less than 45 consecutive days in June through October (udic)
Other features--free carbonates
Particle-size control section
*Clay content--5 to 16 percent
*Total rock fragment content--35 to 65 percent
Oi or Oe horizon
Thickness--0 to 8 cm
A horizon
Hue--10YR or 2.5Y moist or dry
Value--2 to 4 moist, 4 to 6 dry
Chroma--1 to 4 moist or dry
Fine-earth texture--sandy loam, fine sandy loam, coarse sandy loam
Clay content--5 to 12 percent
Total rock fragment content--35 to 65 percent
Gravel content--30 to 40 percent
Cobble content--10 to 15 percent
Stone content--0 to 6 percent
Reaction (pH)--5.1 to 8.0
Effervescence--noneffervescent to slightly effervescent
Thickness--3 to 15 cm
C1 horizon
Hue--10YR to 10Y moist or dry
Value--4 or 5 moist, 6 or 7 dry
Chroma--1 to 4 moist or dry
Fine-earth texture--sandy loam, coarse sandy loam, loam
Clay content--5 to 12 percent
Total rock fragment content--35 to 65 percent
Gravel content--30 to 60 percent
Cobble content--10 to 16 percent
Stone content--0 to 6 percent
Reaction (pH)--7.7 to 8.0
Effervescence--slightly effervescent, strongly effervescent
Thickness--20 to 75 cm
C2 horizon
Hue--10YR to 5GY moist or dry
Value--4 to 6 moist, 6 to 8 dry
Chroma--1 to 4 moist or dry
Fine-earth texture--sandy loam, coarse sandy loam, loam
Clay content--5 to 16 percent
Total rock fragment content--35 to 55 percent
Gravel content--25 to 45 percent
Cobble content--10 to 16 percent
Reaction (pH)--6.8 to 8.4
Effervescence--very slightly effervescent to strongly effervescent
Thickness--80 to 110 cm
COMPETING SERIES:
Coville--gleyed colors in control section
Pishkun--pedogenic concretions of secondary calcium carbonate in control section
Skarn--lithologic discontinuity; 100 to 150 cm (deep) to a lithic contact
GEOGRAPHIC SETTING:
Elevation--0 to 100 m
Climate--cool, moist summers; mild, wet winters
Mean annual precipitation--850 to 1850 mm
Mean annual air temperature--0 to 9 degrees C
Frost-free period--90 to 154 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Cenotaph--25 to 50 cm (somewhat poorly drained) to aquic conditions; on similar landforms
Fingers--sandy-skeletal in lower part; on adjacent landforms
Fossil--sandy-skeletal in lower part; on similar landforms
Puffin--sandy-skeletal in lower part; on adjacent landforms
Shagcove--25 to 50 cm (somewhat poorly drained) to aquic conditions; on similar landforms
Vivid--aquic conditions within 25 cm (poorly drained) of the soil surface; on similar landforms
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--well drained
Depth to saturation in normal years--more than 150 cm year round
Flooding--none
Ponding--none
Saturated hydraulic conductivity (Ksat)--high throughout
USE AND VEGETATION:
Use--wildlife habitat, recreation, subsistence
Potential native vegetation--Sitka alder, rattlesnake plantain, splendid feather moss, heartleaf twayblade, sidebells wintergreen, Sitka spruce, feathermoss, goose neck moss, five-leaved bramble, western hemlock, Alaska huckleberry, oval-leaf blueberry
DISTRIBUTION AND EXTENT: Alexander Archipelago-Gulf of Alaska Coast, Alaska; MLRA 220; large extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: WASILLA, ALASKA
SERIES ESTABLISHED: Glacier Bay National Park and Preserve-Gustavus Area, Alaska; 2020.
REMARKS:
Diagnostic horizons and other features recognized in this pedon
*Ochric epipedon
*Free carbonates--zone from 4 to 150 cm
*Particle-size control section--zone from 29 to 104 cm
National Cooperative Soil Survey
U.S.A.