Glossary of landform and geologic terms. 2013.
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
Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… … 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
Oxbow lake — Songhua River, northeast China. Swirls and curves, showing paths the river once took, as well as oxbow lakes, are easily seen in this satellite photo. An oxbow lake is a U shaped body of water formed when a wide meander from the main stem of a… … Wikipedia
Climate change in Washington — Main article: Climate change in the United States Digitally colored elevation map of Washington. Climate change in the American state of Washington is a subject of study and projection today. Contents … Wikipedia
