bed silt
11Plata, Río de la — Estuary of the Paraná and Uruguay rivers, between Uruguay and Argentina. It is about 170 mi (275 km) long, with a maximum width at its mouth of about 140 mi (220 km); at Montevideo it is about 60 mi (97 km) wide but narrows gradually to the… …
12Geology of the Capitol Reef area — [ Waterpocket Fold is the major geographic feature in the area of the park. This view is from above Capitol Reef Scenic Drive looking back at the west face of the broken and eroded fold.] The exposed geology of the Capitol Reef area presents a… …
13Tigris-Euphrates river system — ▪ river system, Asia Introduction great river system of Southwest Asia, comprising the Tigris and Euphrates rivers, which have their sources within 50 miles (80 km) of each other in eastern Turkey and travel southeast through northern Syria and… …
14Erosion — is the carrying away or displacement of solids (sediment, soil, rock and other particles) usually by the agents of currents such as, wind, water, or ice by downward or down slope movement in response to gravity or by living organisms (in the case …
15Yangtze River — Chinese Chang Jiang or Ch ang Chiang River, China. Rising in the eastern Kunlun Mountains in western China, it flows southeast, continuing east across Yunnan province and then across the rest of south central China to the East China Sea near… …
16Clastic rock — A thin section of a clast (sand grain), derived from a basalt score. Vesicles (air bubbles) can be seen throughout the clast. Plane light above, cross polarized light below. Scale box is 0.25 mm Clastic rocks are composed of fragments, or clasts …
17water supplies — In the Stone Age, when people first began settling on the alluvial plains of Mesopotamia, perhaps their single most immediate concern was finding reliable sources of freshwater for drinking and watering their crops and animals. At first, the… …
18Stream load — is a geologic term referring to the solid matter carried by a stream (Strahler and Strahler, 2006). Erosion continually removes mineral material from the bed and banks of the stream channel, adding this material to the regular flow of water. The… …
19Chilika Lake — Chilka Lake Fishermen pushing against the tide Coordinates …
20Bouldnor-Formation — Die Bouldnor Formation ist eine geologische Formation im Hampshire Becken in Südengland. Sie ist die jüngste Formation der Solent Gruppe und wurde im Obersten Eozän und Unteren Oligozän abgelagert. Ihr Fauneninhalt dokumentiert die Grande Coupure …
