Download Ancient Water Technologies by Larry W. Mays (auth.), L. Mays (eds.) PDF

By Larry W. Mays (auth.), L. Mays (eds.)

There isn't any extra basic source than water. the foundation of all existence, water is speedy turning into a key factor in today’s international, in addition to a resource of clash. This attention-grabbing e-book, which units out a number of the inventive equipment during which historic societies accumulated, transported and saved water, is a well timed book as overextraction and profligacy threaten the life of aquifers and watercourses that experience provided our wishes for millennia.

It offers an outline of the water applied sciences built by means of a couple of historic civilizations, from these of Mesopotamia and the Indus valley to later societies akin to the Mycenaeans, Minoans, Persians, and the traditional Egyptians. in fact, no ebook on historic water applied sciences will be whole with no discussing the engineering feats of the Romans and Greeks, but in addition to protecting those key civilizations, it additionally examines how historical American societies from the Hohokams to the Mayans and Incas husbanded their water offers. This strangely wide-ranging textual content may perhaps supply today’s parched international a few ideas to the upcoming quandary in our water supply.

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4 Detail of a bass relief from the palace of Sargon II (Louvre museum. Photo taken by the author) Fig. 5 Model of a boat found in Jemdat Nasr (ca. 2 “Applied Hydraulics” The reason of developing a hydraulic knowledge by Mesopotamians was a practical one and it is well condensed in the Sumerian proverb cited at the beginning of the chapter. It was the natural consequence of a necessity in a given environmental context. It is not required to be aware of the physical principles governing hydrostatics and hydrodynamics to take advantage of them.

W. Mays Fig. 14 Water supply of ancient Urartian capital of Tuspa (Van) (Garbrecht, 1980) 1 half way between the reservoir and the city, may or may not have been built by the Urartians. The north dam was reconstructed in 1894–1895 and again in 1952. 5–3 m3 /s (Garbrecht, 1980). Flow from the south dam (2) would reach Lake Van through the valley of Engil Cayi. To use this water for the plain, the passage through the south wall was redirected to the drainage area Doni Cayi. 14 shows three of the reservoirs (dams 4, 5 and 6) in the valley of Doni that are still evident of the ten reservoirs that were built (probably not all were built by the Urartians).

Martin, 1940, Plate 2) Fig. 7 Inflated skins used as bouyant elements. Details of stone panels from the palace of Ashurnasirpal II (ca. ) Images taken from Layard (1851, p. 220) and von Reber (1882, p. 93) mentioned several times in a couple of tablets in the British Museum,6 is the water clock or clepsydra (giš dib-dib , Sum. dibdib, Akk. dibdibbu). ) or older. Water-clocks played an important role as an aid to astronomical calculations. Time was measured by the volume or weight of the water discharged rather than level difference (Nemet-Nejat, 1993, pp.

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