Back to photostream

Bighawk soll and landscape

Soil profile: A representative soil profile of the Bighawk series. (Soil Survey of Wupatki National Monument, Arizona; by James M. Harrigan, Natural Resources Conservation Service)

 

Landscape: An area of Bighawk gravelly sandy loam, 1 to 5 percent slopes.

 

The Bighawk series consists of very deep, somewhat excessively drained soils that formed in alluvium from pyroclastics and cinders. Bighawk soils are on alluvial fans, and plateaus. Slopes range from 1 to 5 percent. The mean annual precipitation is about 12 inches and the mean annual air temperature is about 52 degrees F. (11.1 degress C.)

 

TAXONOMIC CLASS: Ashy-skeletal, glassy, mesic Vitrandic Haplocambids

 

Soil moisture: Intermittently moist in some part of the soil moisture control section during July - September and December - February. Driest during May and June. Ustic Aridic soil moisture regime.

Soil Temperature: 52 to 56 degrees Fahrenheit (11.1 to 13.3 degrees Celsius)

Particle-size control section (weighted average)

Clay content: 12 to 18 percent

Rock Fragments: 35 to 55 percent cinders

Volcanic Glass: 30 to 40 percent

 

USE AND VEGETATION: Used for livestock grazing and wildlife habitat. Vegetation includes galleta, oneseed Juniper, Russian thistle, black grama, needle and thread, and alkali sacaton.

 

DISTRIBUTION AND EXTENT: Northern Arizona. Bighawk soils are of moderate extent. This soil is named after the valley at the type location. MLRA 35 Land Resource Unit 35.1.

 

For additional information about the survey area, visit:

www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/arizona/wupatk...

 

For a detailed soil description, visit:

soilseries.sc.egov.usda.gov/OSD_Docs/B/BIGHAWK.html

 

For acreage and geographic distribution, visit:

casoilresource.lawr.ucdavis.edu/see/#bighawk

 

711 views
3 faves
0 comments
Uploaded on June 21, 2021