The SWRC operates the Walnut Gulch Experimental Watershed in southeastern Arizona as an outdoor laboratory for studying semiarid rangeland hydrologic, ecosystem, climate, and erosion processes.

An overview of SWRC and WGEW research is provided in a downloadable brochure:   SWRC Brochure 

   WGEW Instrumentation Map     Santa Rita Instrumentation Map

 

 

Flume Areas

Watershed (*) Flume Area
(acres)
63 1 36900
63 2 28100
63 3 2220
63 4 560
63 5 5510
63 6 23500
63 7 3340
63 8 3830
63 9 5830
63 10 4110
63 11 2035
63 15 5912
63 101 3.2
63 102 3.6
63 103 9.1
63 104 11.2
63 105 0.553
63 106 0.85
63 112 4.6
63 121 13.4
63 122 2.4
63 124 5.4
63 125 14.6
63 126 2.45
76 1 4.04
76 2 4.37
76 3 6.81
76 4 4.88
76 5 9.93
76 6 7.6
76 7 2.63
76 8 2.77

(*) - 63 = Walnut Gulch, 76 = Santa Rita