Congressional Edition Volume 6009

Congressional Edition Volume 6009

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 edition. Excerpt: depth in inches and acre-feet. They may be defined as follows: "Second-foot" is an abbreviation for cubic foot per second and is the rate of discharge of water flowing in a stream 1 foot wide, 1 foot deep, at a rate of 1 foot per second. It is generally Used as a fundamental unit from which others are computed by the use of the factors given in the following table of equivalents. "Gallons per minute" is generally used in connection with pumping and city water supply. The "miner's inch" is the rate of discharge of water that passes through an orifice 1 inch square under a head which varies locally. It is commonly used by miners and irrigators throughout the West, and is defined by statute in each State in which it is used. "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 depth in inches on drainage area" is the depth to which the drainage area would be covered if all the water flowing from it in a given period were conserved and uniformly distributed on the surface. It is used for comparing run-off with rainfall, which is usually expressed in depth in inches. "Acre-foot" is equivalent to 43,560 cubic feet, and is the quantity required to cover an acre to the depth of 1 foot. It is commonlyused in connection with storage for irrigation work. CONVENIENT EQUIVALENTS. The following is a list of convenient equivalents for use in hydraulic computations: 1 second-foot equals 40 California miner.s inches (law of March 23, 1901). 1 second-foot equals 38.4 Colorado miner.s inches. 1 second-foot equals 40 more

Product details

  • Paperback | 134 pages
  • 189 x 246 x 7mm | 254g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236640381
  • 9781236640383