View source for Walnut Gulch Experimental Watershed

[[File: Wng.jpg |thumb|right|View into the Walnut Gulch Experimental Watershed]]
[[File: WalnutGulch Map.jpg |thumb|left|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

== Geology ==

== 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

== Links to project webpages ==

== other Links ==
*[http://www.tucson.ars.ag.gov/unit/gis/wg.html USDA The Walnut Gulch Experimental Watershed]
*[http://www.ars.usda.gov/Research/docs.htm?docid=10978&pf=1&cg_id=0 USDA Experimental catchments]
*[http://tucson.ars.ag.gov/dap/ USDA data]

== References ==

[[Category:Experimental Catchments]]
*Costa, A.C., Bronstert, A., de Araújo, J.C. 2012. [http://www.hydrol-earth-syst-sci.net/16/1111/2012/hess-16-1111-2012.html A channel transmission losses model for different dryland rivers.] Hydrol. Earth Syst. Sci., 16, 1111-1135, DOI: 10.5194/hess-16-1111-2012.
* White, C.B., Houser, P.R., Arain, A.M., Yang, Z.L., Syed, K., Shuttleworth,  W.J. 1997. [http://www.hydrol-earth-syst-sci.net/1/205/1997/hess-1-205-1997.html The aggregate description of semi-arid vegetation with precipitation-generated soil moisture heterogeneity. Hydrol.] Earth Syst. Sci., 1, 205-212, DOI: 10.5194/hess-1-205-1997.