Water-supply Paper, Bände 380-383

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U.S. Government Printing Office, 1916
 

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Seite xxxvi - 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. "Runoff (depth in inches...
Seite xxxvi - 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 which represent a rate of flow, as secondfeet, gallons per minute, miner's...
Seite xxxvii - CONVENIENT EQUIVALENTS. The following is a list of convenient equivalents for use in hydraulic computations : Table for converting discharge in second-feet per square mile into run-off in depth in inches over the area. NOTE. — For part of a month multiply the run-off for 1 day by the number of days.
Seite xxi - Price 15 cents. 32. Lists and Analyses of the Mineral Springs of the United States (a Preliminary Study), by Albert C.
Seite 7 - well defined" indicates in general that the rating is probably accurate within 5 per cent; "fairly well defined," within 10 per cent; "poorly defined" or "approximate," within 15 to 25 per cent. These notes are very general and are based on the plotting of the individual measurements with reference to the mean rating curve. The...
Seite 4 - The monthly means for any station may represent with high accuracy the quantity of water flowing past the gage, but the figures * showing discharge per square mile and depth of run-off in inches may be subject to gross errors caused by...
Seite ix - Fluctuations of the water level in wells, with special reference to Long Island, NY, by AC Veatch.
Seite 3 - 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...
Seite 5 - ... tables are computed. The rating table gives, either directly or by interpolation, the discharge in second-feet corresponding to every stage of the river recorded during the period for which it is applicable. It is not published in this report, but...

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