drainage basin
the total surface land area drained by a stream or river; often used in the sense of the water bodies in the basin. Not a watershed which is strictly an elevated boundary area separating tributaries draining to different river systems

Dictionary of ichthyology. 2009.

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  • drainage basin — ☆ drainage basin n. the region or area drained by a river system …   English World dictionary

  • Drainage basin — Example of a drainage basin. The dashed line is the main water divide of the hydrographic basin A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit… …   Wikipedia

  • drainage basin — noun the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet flood control in the Missouri basin • Syn: ↑river basin, ↑basin, ↑watershed, ↑catchment area,… …   Useful english dictionary

  • drainage basin — the area drained by a river and all its tributaries. Also called catchment area, drainage area. Cf. watershed (def. 2). [1880 85, Amer.] * * * ▪ geology also called  Catchment Area,  or (in North America)  Watershed,      …   Universalium

  • drainage basin — vandens baseinas statusas T sritis ekologija ir aplinkotyra apibrėžtis Sausumos teritorijos dalis, iš kurios vanduo paviršiniu arba požeminiu srautu suteka į vandens objektą (upę, ežerą, jūrą ar kt.). atitikmenys: angl. catchment; catchment area; …   Ekologijos terminų aiškinamasis žodynas

  • drainage basin —    The land area from which surface runoff drains into a stream channel or system of stream channels, or to a lake, reservoir, or other body of water [6].    In a karst setting, subsurface drainage (internal drainage) may have boundaries defined… …   Lexicon of Cave and Karst Terminology

  • drainage basin —    A general term for a region or area bounded by a drainage divide and occupied by a drainage system.    GG …   Glossary of landform and geologic terms

  • drainage basin — /ˈdreɪnɪdʒ beɪsən/ (say draynij baysuhn) noun the entire area drained by a river and all its tributaries. Also, drainage area …   Australian English dictionary

  • drainage basin — noun A topographic region in which all water drains to a common outlet; a watershed. Syn: watershed, catchment basin …   Wiktionary

  • drainage basin —   the area from which a river channel receives water …   Geography glossary

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