09471143 - Walnut Gulch below ARS Flume 6, near Tombstone, AZ

Continuous slope-area (CSA) sensors are installed at four cross sections downstream from Flume 6 operated by the Agricultural Research Service (ARS) at the Walnut Gulch Experimental Watershed. The CSA reach was installed to test the CSA method and determine channel roughness using the known discharge measured by Flume 6. The upstream end of the reach is located at 31.7268 N, 110.0583 W, approximately 1,000 feet downstream from Flume 6.