Walnut Gulch Experimental Watershed

View into the Walnut Gulch Experimental Watershed

Location of the Walnut Gulch Experimental Watershed, Arizona, USA)

Location

Located in SE Arizona, USA surrounding the historic city of Tombstone, the 150 km² Walnut Gulch Experimental Watershed was established in the early 1950's to study the role of watershed treatments on downstream water yield. The site was deemed typical of the black grama grass-brush dominated areas of southern New Mexico and Arizona.

Catchment size

150 km²

Climate

Semiarid

Vegetation/Land use

Black grama grass-brush dominated areas

Context of investigation

The role of watershed treatments on downstream water yield

Measurements/Equipment

Precipitation since 1953

Meteorology

Runoff

Sediment transport

Soil Moisture

other Links

• USDA The Walnut Gulch Experimental Watershed
• USDA Experimental catchments
• USDA data