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<br />Morristown are two examples where channel
<br />control exists for nearly all flows.
<br />
<br />An examination of the change in the PZF
<br />elevation through time indicates long-term channel
<br />change. For example, the PZF at the Hassayampa
<br />River at Box Canyon, near Wickenburg, changed
<br />by as much as 6 ft from 1945 to 1996. The PZF
<br />data at this site also show that the channel can
<br />change dramatically in response to a single large
<br />flood, such as the peak-of-record flood in 1970.
<br />
<br />SELECTED REFERENCES
<br />
<br />Andrews, E.D., 1979, Scour and fill in a stream charmel,
<br />East Fork River, western Wyoming: U.S.
<br />Geological Survey Professional Paper 1117, 49 p.
<br />Burkham, D.E., 1970, Precipitation, streamflow, and
<br />major floods at selected sites in the Gila River
<br />drainage basin above Coolidge Dam, Arizona: U.S.
<br />Geological Survey Professional Paper 655-B, 33 p.
<br />Colby, B.R., 1964, Scour and fill in sand-bed streams:
<br />U.S. Geological Survey Professional Paper 462-D,
<br />32p.
<br />
<br />Emmett, W.W., and Leopold, L.B., 1965, Downstream
<br />pattern of river bed scour and fill: U.S. Geological
<br />Survey, Federal Interagency Sedimentation
<br />Conference Proceedings, 1963, Miscellaneous
<br />Publication 940, p. 399-409.
<br />
<br />Foley, M.G., 1978, Scour and fill in steep, sand-bed
<br />ephemeral streams: Geological Society of America
<br />Bulletin, v. 89, no. 4, p. 559-570.
<br />
<br />Graf, W.L., 1988, Fluvial process in dryland rivers: New
<br />York, Springer-Verlag, 346 p.
<br />
<br />Huckleberry, Gary, 1994, Contrasting channel response
<br />to floods on the middle Gila River, Arizona:
<br />Geology, v. 22, no. 12, p. 1083-1086.
<br />
<br />Knighton, David, 1984, Fluvial forms and processes:
<br />London, Edward Arnold, 218 p.
<br />
<br />Leopold, L.B., Wolman, M.G., and Miller, J.P., 1964,
<br />Fluvial Processes in Geomorphology: San Francisco,
<br />California, W.H. Freeman and Company, 522 p.
<br />
<br />Parker, l.T.C., 1995, Channel change and sediment
<br />transport in two desert streams in central Arizona,
<br />1991-92: U.S. Geological Survey Water-Resources
<br />Investigations Report 95-4059,42 p.
<br />
<br />42 Determination of Channel Change for Selected Streams, Maricopa County, Arizona
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