Paleoflood Hydrology and Historic Flood Analysis in the upper Verde River basin, central Arizona
KeywordsArizona Geological Survey Open File Reports
upper Verde River basin
Basin and Range Province
MetadataShow full item record
CitationKIawon, E.J., 1998, Paleoflood Hydrology and Historic Flood Analysis in the upper Verde River basin, central Arizona. Arizona Geological Survey Open File Report, OFR-98-05, 93 p.
DescriptionHell Canyon and Sycamore Canyon are major ungaged tributaries in the upper Verde River basin of central Arizona. Gage data imply that the record discharge of 1507 ems on February 20, 1993 at the Verde River gage near Clarkdale, Arizona was derived primarily from these tributaries. Reconstructions of 1993 flows measure 800-900 ems in Sycamore Canyon and 600-700 ems in Hell Canyon. Historic and pre-historic flood sequences were examined in various stratigraphic exposures in these canyons; as many as 11 floods are recorded at any one site. The 1993 floodwaters typically over top all prior flood stratigraphy; however, dendrochronology suggests that similar floods occurred prior to the gage record. These results confirm that Hell Canyon and Sycamore Canyon are major contributors to floods on the Verde River in both the historical and paleoflood record.
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North Bounding Coordinate35.1439
South Bounding Coordinate34.7544
West Bounding Coordinate-112.566
East Bounding Coordinate-111.877
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