Dams are built to impound water and discharge it for a variety of purposes into channels, tunnels and conduits, to create the head of water needed for hydropower generation, and to protect estuaries against the ravages of flood tides. Above all, they provide active storage for the management of water, that is for striking a balance between natural flow regimes on the one hand and patterns of demand which are normally quite different, if not diametrically opposed, on the other. Depending on the size of the reservoir, this equalizing function may occupy a daily, weekly or annual cycle, or even tide over periods like the scriptual seven lean years.
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Vendeur : ThriftBooksVintage, Tukwila, WA, Etats-Unis
Hardcover. Etat : Good. No Jacket. Wear consistent with age and use. Former owner's name in ink on front endpaper, otherwise clean and unmarked copy. Light bumping visible to corners of boards and ends of spine strip. Light scuffing and smudging to boards and page block edges. This could have light cosmetic flaws, but remains in good condition. No dust jacket included with this book. Secure packaging for safe delivery. N° de réf. du vendeur 3571734870
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Vendeur : Anybook.com, Lincoln, Royaume-Uni
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Vendeur : Mispah books, Redhill, SURRE, Royaume-Uni
Hardcover. Etat : Acceptable. Acceptable. Dust Jacket NOT present. CD WILL BE MISSING. SHIPS FROM MULTIPLE LOCATIONS. book. N° de réf. du vendeur ERICA82990541014904
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