watercourse cross section

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• Meander — For other uses, see Meander (disambiguation). A hypothetical stream bed following a tilted valley. The maximum gradient is along the down valley axis represented by a hypothetical straight channel. Meanders develop, which lengthen the course of… …   Wikipedia

• Dragon boat — This article is about Dragon boats and racing. For the festivals and holidays associated with dragon boats, see Duanwu Festival. Dragon boat Traditional Chinese 龍舟 Simplified Chinese 龙舟 …   Wikipedia

• turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …   Universalium

• River — For other uses, see River (disambiguation). The Tigris River near Hasankeyf, in southeastern Turkey …   Wikipedia

• chan´nel|er — chan|nel1 «CHAN uhl», noun, verb, neled, nel|ing or (especially British) nelled, nel|ling, adjective. –n. 1. the bed of a stream, river, or other watercourse: »Rivers cut their own channels to the sea. SYNONYM(S): race …   Useful english dictionary

• chan|nel — chan|nel1 «CHAN uhl», noun, verb, neled, nel|ing or (especially British) nelled, nel|ling, adjective. –n. 1. the bed of a stream, river, or other watercourse: »Rivers cut their own channels to the sea. SYNONYM(S): race …   Useful english dictionary

• Échelle à poissons — Une échelle à poissons ou passe à poissons est un dispositif permettant aux poissons de franchir un obstacle créé par l Homme sur un cours d eau, généralement un barrage ou un seuil. Il s agit généralement d un dispositif en escalier où le… …   Wikipédia en Français

• Course of San Juan Creek — Map of San Juan Creek watershed San Juan Creek is a creek in Orange County in the U.S. state of California. It is about 29 miles (47 km) long, and along with its major tributary, Trabuco Creek, drains 133 square miles (340 km2) near the …   Wikipedia

• Reservoir — This article is about an artificial body of water. For other uses, see Reservoir (disambiguation). The Jhonghua Dam on the Dahan River in Taoyuan County, Taiwan. A reservoir (pronounced either REZ ur vore or REZ er vwar, etymology: from French… …   Wikipedia

• Penrose triangle — [ http://im possible.info/english/articles/real/real3.html More pictures from other angles.] ] The Penrose triangle, also known as the tribar, is an impossible object. It was first created by the Swedish artist Oscar Reutersvärd in 1934. The… …   Wikipedia

• Tunnel of Eupalinos — The Tunnel of Eupalinos or Eupalinian aqueduct (in Greek: gr. Efpalinion orygma , Ευπαλίνιον όρυγμα) is a tunnel of 1,036 m length in Samos, Greece, built in the sixth century BC to serve as an aqueduct. The tunnel is the second known tunnel in… …   Wikipedia