Water resources of lower Sycamore Creek, Maricopa County, Arizona.
AuthorSchumann, Herbert H.
Committee ChairEhrenreich, John H.
MetadataShow full item record
PublisherThe University of Arizona.
RightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
AbstractLike many small watersheds in the Southwest, streamfiow originating in the upper mountainous part of the Sycamore Creek watershed disappears quickly into the alluvial deposits adjacent to the mountains. Streamflow from the upper 165 square miles of the watershed ranged from 167 to 14, 320 acre-feet per water year and averaged 6, 110 acre-feet per water year for the existing 5 years of record. Streamflow measurements indicate that most of the water that enters the lower portion of the watershed does not reach the Verde River as surface flow. On an annual basis from 0 to 10 percent of the streamflow entering the area is subsequently discharged to the Verde River as streamflow. Most of the streamfiow that disappears in the lower area rapidly percolates down to the water table and recharges the groundwater reservoir. Most of this water is released as ground-water discharge at a relatively constant rate of about 4, 000 acre-feet per year to the Verde River. Water losses to evapotranspiration by phreatophytic riparian vegetation in the lower Sycamore Creek area are controlled by the depth to the water table. Annual water losses ranged from as little as about 0. 1 acre-feet per acre during a very dry year to as much as about 3. 1 acre-feet per acre during a very wet year based on a water-budget analysis of these periods. The average annual water loss from the lower area was about 1. 1 acre-feet per acre based on a water-budget analysis of the entire 5-year period of record.
Degree ProgramWatershed Management