LOCATION LITUYA                  AK

Established Series
IRD. ATD/NDP/SCD
05/2022

LITUYA SERIES

Landscape--shore complexes
Landform--fluviomarine terraces
Slope--0 to 5 percent
Parent material--marine deposits
Mean annual precipitation--about 1400 mm
Mean annual air temperature--about 5 degrees C
Depth class--very deep
Drainage class--somewhat excessively drained
Soil moisture regime--udic
Soil temperature regime--cryic
Soil moisture subclass--ustic

TAXONOMIC CLASS: Sandy-skeletal, mixed Typic Cryorthents

TYPICAL PEDON: Lituya extremely gravelly coarse sand on an herbaceous fluviomarine terrace, on a slope of 0 percent at an elevation of 7 m (When described on July 3, 2013, the soil was moist throughout.)

C1--0 to 40 cm; variegated extremely gravelly coarse sand; single grain; loose, nonsticky and nonplastic; many very fine and fine and common medium and coarse roots throughout; common very fine interstitial pores; 10 percent cobbles and 75 percent gravel; noneffervescent (HCL, 1N); neutral (pH 7.3); clear smooth boundary

C2--40 to 150 cm; variegated extremely gravelly coarse sand; single grain; loose, nonsticky and nonplastic; common fine interstitial pores ; 10 percent cobbles and 70 percent gravel; noneffervescent (HCL, 1N); neutral (pH 7.2)

TYPE LOCATION: Glacier Bay National Park and Preserve-Gustavus Area, Alaska; Hoonah-Angoon Census Area, Alaska; latitude 58.9777030, longitude -136.1595475, 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)

Particle-size control section
*Clay content--0 to 2 percent
*Total rock fragment content--35 to 89 percent

C horizon
Fine-earth texture--sand, coarse sand
Clay content--0 to 2 percent
Sand content--95 to 98 percent
Total rock fragment content--35 to 89 percent
Gravel content--40 to 85 percent
Cobble content--0 to 15 percent
Reaction (pH)--5.5 to 7.5
Thickness--30 to 150 cm

COMPETING SERIES:
Bearisland--free carbonates throughout particle-size control section
Chena--substantial amount of mica throughout profile; derived from alluvium
Drybay--lithologic discontinuity; free carbonates throughout particle-size control section
Eklutna--derived from alluvium; on terraces and alluvial fans
Ekuk--lithologic discontinuity; derived from loess and fluviomarine deposits
Fossil--derived from outwash; on pitted outwash plains
Muirpoint--derived from glaciofluvial deposits; free carbonates
Nataga--derived from alluvium and colluvium; more than 15 percent cobbles in profile
Nizina--derived from loess and alluvium; lithologic discontinuity

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:
Beartrack--saturation and aquic conditions at or near the soil surface; on similar landforms
Fingers--25 to 50 cm (somewhat poorly drained) to saturation and aquic conditions; on adjacent landforms

DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--somewhat excessively drained
Depth to saturation in normal years--more than 150 cm year round
Flooding--none
Ponding--none
Saturated hydraulic conductivity (Ksat)--very high throughout

USE AND VEGETATION:
Use--wildlife habitat, recreation, subsistence
Potential native vegetation--common yarrow, seacoast angelica, silverweed cinquefoil, Lyngbye's sedge, red fescue, common cowparsnip, American dunegrass, Nootka lupine, marsh grass of Parnassus, goose tongue, Schreber's big red stem moss, little yellow rattle, goose neck moss, Barclay's willow, undergreen willow

DISTRIBUTION AND EXTENT: Alexander Archipelago-Gulf of Alaska Coast, Alaska; MLRA 220; small 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
*Particle-size control section--zone from 25 to 100 cm

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National Cooperative Soil Survey
U.S.A.