Skip Links

USGS - science for a changing world

Scientific Investigations Report 2011–5041

Channel Change and Bed-Material Transport in the Umpqua River Basin, Oregon

Table 2. U.S. Geological Survey streamflow-gaging stations in the Umpqua River, Oregon, used in peak flow analysis.

[p value from two-tailed, nonparametic Kendall’s tau test to evaluate whether historical declines in peak flows are statistically significant; significance level set at 5 percent (p<0.025 or p>0.975). Abbreviations: km2, square kilometer; m, meter; <, less than; >, greater than]

Station 
name StationNo. Period of
analysis
(water years)
Number
of years
p
value
Drainage
area
(km2)
Gage
elevation (m)
Mean
basin
elevation
(m)
South Umpqua River at Tiller 14308000 1940–2009 70 0.29 1,163 302 978
Elk Creek near Drew 14308500 1955–2009 55 0.26 141 390 878
West Fork Cow Creek near Glendale 14309500 1956–2009 54 0.02 225 310 738
Lookingglass Creek at Brockway 14311500 1956–1987 32 0.00 409 165 418
South Umpqua near Brockway 14312000 1942–2009 68 0.03 4,325 141 698

North Umpqua River above
Copeland Creek near Toketee Falls

14316500 1950–2009 60 0.21 1,230 482 1,472
Steamboat Creek near Glide 14316700 1956–2009 54 0.09 588 344 945
Little River at Peel 14318000 1955–1989 35 0.08 458 252 860
North Umpqua River at Winchester 14319500 1954–2009 56 0.01 3,481 114 1,006
Calapooya Creek near Oakland 14320700 1956–1980 25 0.01 544 113 415
Umpqua River near Elkton 14321000 1906–2009 104 0.88 9,539 28 747

First posted September 29, 2011

For additional information contact:
Utah Water Science Center Director,
U.S. Geological Survey, 2329 West Orton Circle
West Valley City, UT
84119-2047
http://ut.water.usgs.gov

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubsdata.usgs.gov/pubs/sir/2011/5041/table2.html
Page Contact Information: GS Pubs Web Contact
Page Last Modified: Thursday, 10-Jan-2013 20:10:51 EST