 Cubic feet per second per square mile (cfsm) is the average number of cubic feet of water flowing per second from each square mile of area drained, assuming that the runoff is distributed uniformly in time and area. Runoff in inches...  Geological Survey Water-supply Paper - Page 4by Geological Survey (U.S.) - 1907Full view - About this book
 | 1906 - 834 pages
...used. In most ates the California miner's inch is used, which is the fiftieth part of a second-foot. "Second-feet per square mile" is the average number of cubic feet of water (lowing per rond from each square mile of area drained, on the assumption that the run-olf is disbuted... | |
 | Education - 1921 - 970 pages
...rate of 1 foot per second. It is generally used as a fundamental unit in measurements of stream flow. ''Second-feet per square mile" is the average number of cubic feet of water flowing second from each square mile of area drained, on the assumption that the run-off is distributed uniformly... | |
 | Geological Survey (U.S.) - 1906 - 1290 pages
...used. In most States the California miner's inch is used, which is the fiftieth part of a second-foot. "Second-feet per square mile" is the average number of cubic feet of water flowing per sfwmd from each square mile of area drained, on the assumption that the run-off is disiributed uniformly,... | |
 | Geological Survey (U.S.) - 1907 - 852 pages
...in depth in indios and acre-feet. They may be defined as follows : "Second-foot" is an abbrevation for cubic foot per second and is the. quantity of...of cubic feet of water flowing per second from each simare mile of area drained, on the assumption that" the run-off is distributed uniformly both as regards... | |
 | Geological Survey (U.S.) - 1907 - 974 pages
...computed. "Gallons per minute" is generally used in connection with pumping and city water supply. ''Second-feet per square mile" is the average number...feet of water flowing per second from each square nú le of area drained, on the assumption that the run-off is distributed uniformly both as regards... | |
 | Irrigation - 1916 - 704 pages
...others are computed by the use of the factors given in the tables of convenient equivalents (p. 136). "Second-feet per square mile" is the average number...per second from each square mile of area drained, an the assumption that the run-off is distributed uniformly both as regards time and area. "Run-off... | |
 | Irrigation - 1913 - 598 pages
...the act above quoted, and is equivalent to 1.2 cubic feet a minute, or one-fiftieth of a second-foot. "Second-feet per square mile" is the average number...water flowing per second from each square mile of the area drained, on the assumption that the run-off is distributed uniformly as regards both time... | |
 | Irrigation - 1917 - 968 pages
...callv. It is commonly used by miners and irrigators throughout the 'est, and is defined by statutes in each State in which it is used. "Second-feet per square mile" is the average number of cubic feet water flowing per second from each square mile of area drained, on ,e assumption that the run-off is... | |
 | Irrigation - 1947 - 700 pages
...channerl Is 1 square foot In cross-sectional area and toóse average velocity Is 1 fcot per second. "Second-feet per square mile" is the average number of cubic feet of water flowing per »eond fro« each square mile of area drained, on the assumption that the runoff Is distributed uniformly... | |
 | Irrigation - 1937 - 580 pages
...a channel »hen the cross-sectional area Is 1 square end the average velocity Is 1 foot per second. Second-feet per square mile" Is the average number of cubic feet of water flowing per from each square mile of area drained, on the assumption that the run-off Is dls0-1 *^» ted uniformly... | |
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