Bulletin, Edição 4State Printing Office, 1923 |
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Palavras e frases frequentes
accessory water supplies acre-feet agricultural areas Appendix arable lands attained average California's agricultural lands Carquinez Straits cent Central Valley CHAPTER 889 climate Coast Range columns comprehensive plan construction Consulting Board cost crops dams Department of Public depth diversions Division of Engineering drainage areas drainage basins Duty of Water elevation Engineering and Irrigation equal farm flat lands Francisco Bay region gravity canals greater greatest hundred feet hundred miles increase investigation large areas maximum mean seasonal million acres Mount Shasta mountainous regions North Pacific region PACIFIC COAST DRAINAGE Pacific Ocean Pit River Plate precipitation production pumping rain reservoirs Resources of California Sacramento Valley San Francisco Bay San Joaquin rivers San Joaquin Valley Santa Barbara Channel Sierra Nevada Mountains slopes southerly state's waters storage capacity stream channels stream flow Suisun Bay summer flow surface Table Tehachapi Pass tion total area twenty-five hundred foot Valley floor yield
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Página 13 - It is hereby declared that the people of the State have a paramount interest in the use of all the water of the State and that the State shall determine what water of the State, surface and underground, can be converted to public use or controlled for public protection.
Página 13 - SEC. 4. It shall be the duty of the state engineering department to determine a comprehensive plan for the accomplishment of the maximum conservation, control, storage, distribution and application of all the waters of the state, and to estimate the cost of constructing dams, canals, reservoirs or other works necessary in carrying out this plan, and to report the result of such investigations with recommendations not later than the legislative session of 1923.
Página 7 - ... financial considerations are involved which call for careful study and adjustment. In general two different policies have been suggested, one of which advocates greater participation and control by the state, while the other would leave the solution of the problems to private enterprise. Beginning in 1923, the Division of Engineering and Irrigation of the State Department of Public Works reported to the legislature on the water resources of California and outlined a comprehensive plan for the...
Página 27 - ... years of rainfall shortage may bring acute conditions. Even in the larger basins, long periods of rainfall deficiency bring serious difficulties which are constantly increasing as populations become larger.
Página 13 - It shall be the duty of the state engineering department to determine the maximum amount of water which can be delivered to the maximum area of land, the maximum control of flood waters, the maximum storage of waters, the effects of deforestation and all possible and practicable uses for such waters in the State of California. SEC. 4. It shall be the duty of the state engineering department to determine a comprehensive plan for the accomplishment of the maximum conservation, control, storage, distribution...
Página 10 - ELLIOTT FC HERRMANN WL HUBER A. KEMPKEY WILLIAM MULHOLLAND Appendix "D" was prepared by Dr. Elwood Mead, Professor of Rural Institutions of the University of California, and Chief of Division of Land Settlement of the State Department of Public Works, under cooperative arrangements with the University of California. ORGANIZATION. AB FLETCHER, Director of Public Works WF McCLURE, Chief of Division of Engineering and Irrigation The investigation of the water resources of the state and the preparation...
Página 29 - ... where trees, bushes, and undergrowth are dense, large volumes of water are vaporized into the atmosphere through transpiration from the plant-surfaces. Thus evaporation is constantly in operation, and effectively and without ceasing reduces the volume of water precipitated upon the earth's surface. The fraction of these waters finally becoming stream flow in each season may be less than one-fourth or more than three-fourths of the total precipitation, according to the amounts of rainfall, the...
Página 44 - ... estimate of the expenditure necessary to bring 18,000,000 acres under irrigation through a state-wide comprehensive plan was made in 1923: The average cost of storage works necessary to develop a full supply for the entire 18,000,000 acres, through all seasons, without shortage, is twentyfive dollars for acre-foot of water developed, while the cost to the land for adequate amounts would be forty-five dollars per acre. The cost of canals with appurtenant structures to transport this water to the...
Página 27 - ... the mountains. The rains or snows falling here tend to move to lower elevations until they reach the ocean. In each area, however, only a portion of the waters ever reaches the stream channels; the rest is dissipated through evaporation. This process starts immediately with the first precipitation and continues throughout the entire water movement. Moisture is evaporated from the falling particles of rain or snow, from the surface of pools or puddles in the catchment areas, from snow fields,...
Página 13 - The people of the State of California do enact as follows : SECTION 1. It is hereby declared that the...