headward erosion

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• Headward erosion — is a fluvial process of erosion that lengthens a stream, a valley or a gully at its head and also enlarges its drainage basin. The stream erodes away at the rock and soil at its headwaters in the opposite direction that it flows. Once a stream… …   Wikipedia

• headward erosion —   the lengthening of a young valley or gully by water erosion at the head of its valley …   Geography glossary

• Erosion — 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 …   Wikipedia

• valley — valleylike, adj. /val ee/, n., pl. valleys. 1. an elongated depression between uplands, hills, or mountains, esp. one following the course of a stream. 2. an extensive, more or less flat, and relatively low region drained by a great river system …   Universalium

• river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

• Geology of the Bryce Canyon area — Paria View overlooks an intermittent stream flowing toward the Paria River, s …   Wikipedia

• Fluvial landforms of streams — The fluvial landforms of streams, stream beds, and river valleys have various landforms. Classification There are five generic classifications: Consequent streams are streams whose course is a direct consequence of the original slope of the… …   Wikipedia

• Stream capture — Stream capture, river capture, or stream piracy is a geomorphological phenomenon occurring when a stream or river drainage system or watershed is diverted from its own bed, and flows instead down the bed of a neighbouring stream. This can happen… …   Wikipedia

• glacial landform — ▪ geology Introduction  any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …   Universalium

• Colorado Plateau — A map of the Colorado Plateau. The …   Wikipedia

• waterfall — /waw teuhr fawl , wot euhr /, n. 1. a steep fall or flow of water in a watercourse from a height, as over a precipice; cascade. 2. a manner of arranging women s hair, as in long, loose waves. [bef. 1000; ME; OE waetergefeall. See WATER, FALL] * * …   Universalium