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



Data Use Agreement

All data available through the SWRC data access website are in the public domain, and are not restricted by copyright. 

The SWRC will review the research results to ensure sound scientific data interpretation in the context of our historical results and our in situ experience with these data. We expect that our support will be acknowledged through co-authorship and formal acknowledgement of field and/or data support in the manuscripts (see example below).

Datasets were provided by the USDA-ARS Southwest Watershed Research Center.  Funding for these datasets was provided by the United States Department of Agriculture, Agricultural Research Service.

Please send 1 copy of the published manuscript to:

Southwest Watershed Research Center
2000 E. Allen Rd.
Tucson, AZ 85719