Congressional Edition Volume 4720

Congressional Edition Volume 4720

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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. 1904 edition. Excerpt: ... the excess or deficiency for that month, according as the flow is greater or less than the demand. Take for example the year 1891!. There, is a deficiency in July of 211.10 thousand acre-feet and storage of this volume must be provided for this month. There is also a deficiency in August and September of this year amounting to 103.43 and 27.48 thousand acre-foot, respectively. The total deficiency for the year is 432.01 thousand acre-feet, and since the period of deficiency is continuous this is the volume of storage necessary for the year. The excess between the first of the year and the beginning of the period of deficiency is 437.62 thousand acre-feet, and being larger than the deficiency it would not be necessary to store any water until the first of the year. In 1902, however, it is seen that the deficiency is greater than the accumulated excess since the close of the period of deficiency in 1901, and consequently storage equal in amount to 11.33 thousand acrc-feet must be carried over from June of 1901. Table, II sets forth the corresponding figures when it is assumed that the entire supply will be utilized on the basis of demand A. It is seen that the greatest deficiency for any one year, considered by itself, occurs in 1902, and amounts to 1,218.81 thousand acre-feet. To find the volume of storage necessary in order that there may be a sufficient amount of water at all times to meet the demand, and at the same time no water shall be permitted to run to waste, the monthly excesses and. deficiencies must be combined by months throughout the entire period of eight years. This has been done in the third of the following tables, in which each tabular quantity is the, algebraic sum of all corresponding quantities in the second table, together...
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Product details

  • Paperback | 268 pages
  • 189 x 246 x 14mm | 485g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236571134
  • 9781236571137