Water-supply Paper, Bände 512-514U.S. Government Printing Office, 1923 |
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ACCURACY.-Stage-discharge relation changed affected by ice applying to rating April ascertained by applying August Big Lost River Big Wood River Braced figures show CHANNEL AND CONTROL.-Bed charge CONTROL.-Bed composed County Creek curve well defined Daily discharge ascertained daily gage height Date datum December Deschutes River discharge for periods Discharge in second-feet Discharge measurements DISCHARGE MEASUREMENTS.-Made DISCHARGE.-Maximum stage recorded diversions DRAINAGE AREA.-Not measured ending Sept ending September 30 EXTREMES OF DISCHARGE.-Maximum February figures show mean flow Gage read gage-height record height to rating Henrys Fork highway bridge ICE.-Stage-discharge relation Idaho January John McCombs July left bank Malheur River Marblemount March Maximum stage recorded mean daily gage Methow River minimum stage Monthly discharge November October Oreg Rating curve REGULATION.-None right bank Run-off in acre-feet Sec.-ft show mean discharge Skagit River Skokomish River Snake River square miles staff gage Stage-discharge relation vertical staff Wash
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Seite 280 - Second-feet per square mile" is the average number of cubic feet of water flowing per second from each square mile of area drained, on the assumption that the run-off is distributed uniformly both as regards time and area. "Run-off in inches...
Seite 280 - DEFINITION OF TERMS. . The volume of water flowing in a stream — ^the "run-off" or "discharge" — is expressed in various terms, each of which has become associated with a certain class of work. These terms may be divided into two groups — (1) those...
Seite 279 - For gaging the streams and determining the water supply of the United States, and for the investigation of underground currents and artesian wells, and for the preparation of reports upon the best methods of utilizing the water resources.
Seite 280 - ... flowing per second from each square mile of area drained, on the assumption that the run-off is distributed uniformly both as regards time and area. "Run-off
Seite 3 - The data presented for each gaging station in the area covered by this report comprise a description of the station, a table...
Seite 230 - Maximum" gives the mean flow, as determined from the rating table, for the day when the mean gage height was highest. As the gage height is the mean for the day, it...
Seite 230 - In the table of monthly discharge the column headed "Maximum" gives the mean flow for the day when the mean gage height was highest. As the gage height is the mean for the day it does not indicate correctly the stage when the water surface was at crest height and the corresponding discharge was consequently larger than given in the maximum column. Likewise, in the column headed "Minimum" the quantity given is the mean flow for the day when A.
Seite 280 - Second-feet" is an abbreviation for "cubic feet per second." A second-foot is the rate of discharge of water flowing in a channel of rectangular cross section 1 foot wide and 1 foot deep at an average velocity of 1 foot per second. It is generally used as a fundamental unit from which others are computed. "Second-feet per square mile...