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Drainage basin

Index Drainage basin

A drainage basin is any area of land where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water. [1]

147 relations: Africa, African Great Lakes, Alaska, Alberta, Amazon River, Andes, Antarctica, Appalachian Mountains, Arabian Peninsula, Aral Sea, Arctic Ocean, Arithmetic mean, Asia, Atlantic Ocean, Australia, Bay, Bioregionalism, Body of water, Brazil, Caribbean Sea, Caspian Sea, Central America, Central Europe, Clay, Congo River, Conservation authority (Ontario, Canada), Continental Divide of the Americas, Contour line, Copernicus Publications, Dead Sea, Drainage divide, Drainage system (geomorphology), Dry lake, East Coast of the United States, Eastern Europe, Ecology, Endorheic basin, England, Eutrophication, Flood, Fluvial, Funnel, Fur trade, Ganges, Geomorphology, Great Basin, Great Lakes, Great Lakes Commission, Groundwater, Gulf of Mexico, ..., Hill, Hudson Bay, Hudson's Bay Company, Hydrological code, Hydrology, Indian Ocean, Indian subcontinent, Integrated catchment management, Interbasin transfer, International Journal of River Basin Management, International Network of Basin Organizations, Interstate compact, Isochrone map, Israel, Kalahari Basin, Kazakhstan, Korean Peninsula, Land use, Lebanon, Losing stream, Main stem, Mediterranean Sea, Mediterranean sea (oceanography), Mekong River Commission, Mexico, Minnesota, Mississippi River, Mongolia, Montana, Morocco, Mountain, Newfoundland and Labrador, Nile, Nile Basin Initiative, North Africa, North America, North Dakota, Northern Canada, Okavango River, Organisation pour la mise en valeur du fleuve Sénégal, Pacific Islands, Pacific Ocean, Persian Gulf, Precipitation, Rain, Río de la Plata, Red Sea, Ridge, River, River basin management plans, River bifurcation, Road, Rocky Mountains, Roof, Rupert's Land, Sahara, Saint Lawrence River, Sand, Saskatchewan, Scandinavian Peninsula, Sediment, Senegal River, Sidewalk, Sink (geography), Snowmelt, Soil, South America, South Dakota, Southern Europe, Southern Ocean, Strahler number, Stream gauge, Sub-Saharan Africa, Surface runoff, Surface water, Syria, Tahoe Regional Planning Agency, Tenaja, The Maritimes, Time of concentration, Topography, Transboundary river, Treaty, Turkey, U.S. state, UNESCO, United States Forest Service, United States Geological Survey, Voronoi diagram, Water cycle, Water pollution, Watershed district (Minnesota), Watershed management, Western Canada, Western Europe, Western Sahara, World Resources Institute. Expand index (97 more) »

Africa

Africa is the world's second largest and second most-populous continent (behind Asia in both categories).

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African Great Lakes

The African Great Lakes (Maziwa Makuu) are a series of lakes constituting the part of the Rift Valley lakes in and around the East African Rift.

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Alaska

Alaska (Alax̂sxax̂) is a U.S. state located in the northwest extremity of North America.

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Alberta

Alberta is a western province of Canada.

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Amazon River

The Amazon River (or; Spanish and Amazonas) in South America is the largest river by discharge volume of water in the world, and either the longest or second longest.

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Andes

The Andes or Andean Mountains (Cordillera de los Andes) are the longest continental mountain range in the world.

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Antarctica

Antarctica is Earth's southernmost continent.

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Appalachian Mountains

The Appalachian Mountains (les Appalaches), often called the Appalachians, are a system of mountains in eastern North America.

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Arabian Peninsula

The Arabian Peninsula, simplified Arabia (شِبْهُ الْجَزِيرَةِ الْعَرَبِيَّة, ‘Arabian island’ or جَزِيرَةُ الْعَرَب, ‘Island of the Arabs’), is a peninsula of Western Asia situated northeast of Africa on the Arabian plate.

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Aral Sea

The Aral Sea was an endorheic lake (one with no outflow) lying between Kazakhstan (Aktobe and Kyzylorda Regions) in the north and Uzbekistan (Karakalpakstan autonomous region) in the south.

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Arctic Ocean

The Arctic Ocean is the smallest and shallowest of the world's five major oceans.

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Arithmetic mean

In mathematics and statistics, the arithmetic mean (stress on third syllable of "arithmetic"), or simply the mean or average when the context is clear, is the sum of a collection of numbers divided by the number of numbers in the collection.

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Asia

Asia is Earth's largest and most populous continent, located primarily in the Eastern and Northern Hemispheres.

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Atlantic Ocean

The Atlantic Ocean is the second largest of the world's oceans with a total area of about.

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Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Bay

A bay is a recessed, coastal body of water that directly connects to a larger main body of water, such as an ocean, a lake, or another bay.

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Bioregionalism

Bioregionalism is a political, cultural, and ecological system or set of views based on naturally defined areas called bioregions, similar to ecoregions.

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Body of water

A body of water or waterbody (often spelled water body) is any significant accumulation of water, generally on a planet's surface.

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Brazil

Brazil (Brasil), officially the Federative Republic of Brazil (República Federativa do Brasil), is the largest country in both South America and Latin America.

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Caribbean Sea

The Caribbean Sea (Mar Caribe; Mer des Caraïbes; Caraïbische Zee) is a sea of the Atlantic Ocean in the tropics of the Western Hemisphere.

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Caspian Sea

The Caspian Sea is the largest enclosed inland body of water on Earth by area, variously classed as the world's largest lake or a full-fledged sea.

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Central America

Central America (América Central, Centroamérica) is the southernmost, isthmian portion of the North American continent, which connects with the South American continent on the southeast.

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Central Europe

Central Europe is the region comprising the central part of Europe.

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Clay

Clay is a finely-grained natural rock or soil material that combines one or more clay minerals with possible traces of quartz (SiO2), metal oxides (Al2O3, MgO etc.) and organic matter.

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Congo River

The Congo River (also spelled Kongo River and known as the Zaire River) is the second longest river in Africa after the Nile and the second largest river in the world by discharge volume of water (after the Amazon), and the world's deepest river with measured depths in excess of.

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Conservation authority (Ontario, Canada)

A conservation authority is a local, community-based natural resource management agency based in Ontario, Canada.

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Continental Divide of the Americas

The Continental Divide of the Americas (also known as the Great Divide, the Continental Gulf of Division, or merely the Continental Divide) is the principal, and largely mountainous, hydrological divide of the Americas.

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Contour line

A contour line (also isocline, isopleth, isarithm, or equipotential curve) of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value.

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Copernicus Publications

Copernicus Publications (also: Copernicus GmbH) is a publisher of scientific literature based in Göttingen, Germany.

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Dead Sea

The Dead Sea (יָם הַמֶּלַח lit. Sea of Salt; البحر الميت The first article al- is unnecessary and usually not used.) is a salt lake bordered by Jordan to the east and Israel and Palestine to the west.

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Drainage divide

A drainage divide, water divide, divide, ridgeline, watershed, or water parting is the line that separates neighbouring drainage basins.

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Drainage system (geomorphology)

In geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin.

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Dry lake

A dry lake is either a basin or depression that formerly contained a standing surface water body, which disappeared when evaporation processes exceeded recharge.

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East Coast of the United States

The East Coast of the United States is the coastline along which the Eastern United States meets the North Atlantic Ocean.

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Eastern Europe

Eastern Europe is the eastern part of the European continent.

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Ecology

Ecology (from οἶκος, "house", or "environment"; -λογία, "study of") is the branch of biology which studies the interactions among organisms and their environment.

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Endorheic basin

An endorheic basin (also endoreic basin or endorreic basin) (from the ἔνδον, éndon, "within" and ῥεῖν, rheîn, "to flow") is a limited drainage basin that normally retains water and allows no outflow to other external bodies of water, such as rivers or oceans, but converges instead into lakes or swamps, permanent or seasonal, that equilibrate through evaporation.

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England

England is a country that is part of the United Kingdom.

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Eutrophication

Eutrophication (from Greek eutrophos, "well-nourished"), or hypertrophication, is when a body of water becomes overly enriched with minerals and nutrients that induce excessive growth of plants and algae.

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Flood

A flood is an overflow of water that submerges land that is usually dry.

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Fluvial

In geography and geology, fluvial processes are associated with rivers and streams and the deposits and landforms created by them.

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Funnel

A funnel is a pipe with a wide (often conical) mouth and a narrow stem.

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Fur trade

The fur trade is a worldwide industry dealing in the acquisition and sale of animal fur.

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Ganges

The Ganges, also known as Ganga, is a trans-boundary river of Asia which flows through the nations of India and Bangladesh.

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Geomorphology

Geomorphology (from Ancient Greek: γῆ, gê, "earth"; μορφή, morphḗ, "form"; and λόγος, lógos, "study") is the scientific study of the origin and evolution of topographic and bathymetric features created by physical, chemical or biological processes operating at or near the Earth's surface.

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Great Basin

The Great Basin is the largest area of contiguous endorheic watersheds in North America.

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Great Lakes

The Great Lakes (les Grands-Lacs), also called the Laurentian Great Lakes and the Great Lakes of North America, are a series of interconnected freshwater lakes located primarily in the upper mid-east region of North America, on the Canada–United States border, which connect to the Atlantic Ocean through the Saint Lawrence River.

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Great Lakes Commission

The Great Lakes Commission is a United States interstate agency established in 1955 through the Great Lakes Compact, in order to "promote the orderly, integrated and comprehensive development, use and conservation of the water resources of the Great Lakes Basin," which includes the Saint Lawrence River.

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Groundwater

Groundwater is the water present beneath Earth's surface in soil pore spaces and in the fractures of rock formations.

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Gulf of Mexico

The Gulf of Mexico (Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent.

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Hill

A hill is a landform that extends above the surrounding terrain.

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Hudson Bay

Hudson Bay (Inuktitut: Kangiqsualuk ilua, baie d'Hudson) (sometimes called Hudson's Bay, usually historically) is a large body of saltwater in northeastern Canada with a surface area of.

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Hudson's Bay Company

The Hudson's Bay Company (HBC; Compagnie de la Baie d'Hudson) is a Canadian retail business group.

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Hydrological code

A hydrological code or hydrologic unit code is a sequence of numbers or letters that identify a hydrological feature like a river, river reach, lake, or area like a drainage basin (also called watershed (in North America)) or catchment.

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Hydrology

Hydrology is the scientific study of the movement, distribution, and quality of water on Earth and other planets, including the water cycle, water resources and environmental watershed sustainability.

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Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering (approximately 20% of the water on the Earth's surface).

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Indian subcontinent

The Indian subcontinent is a southern region and peninsula of Asia, mostly situated on the Indian Plate and projecting southwards into the Indian Ocean from the Himalayas.

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Integrated catchment management

Integrated catchment management (ICM) is a subset of environmental planning which approaches sustainable resource management from a catchment perspective, in contrast to a piecemeal approach that artificially separates land management from water management.

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Interbasin transfer

Interbasin transfer or transbasin diversion are (often hyphenated) terms used to describe man-made conveyance schemes which move water from one river basin where it is available, to another basin where water is less available or could be utilized better for human development.

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International Journal of River Basin Management

International Journal of River Basin Management is a quarterly academic journal issued for the first time during the Third World Water Forum in Kyoto, March 2003.

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International Network of Basin Organizations

The International Network of Basin Organizations (INBO) (French: Réseau International des Organismes de Bassin RIOB).

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Interstate compact

In the United States of America, an interstate compact is an agreement between two or more states.

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Isochrone map

An isochrone map (or chart/plan/diagram) in science and urban planning is a map showing areas related to isochrones between different points.

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Israel

Israel, officially the State of Israel, is a country in the Middle East, on the southeastern shore of the Mediterranean Sea and the northern shore of the Red Sea.

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Kalahari Basin

The Kalahari Basin or Kalahari Depression is a large lowland area covering over 2.5 million km2 covering most of Botswana and parts of Namibia, South Africa, Angola, Zambia, and Zimbabwe.

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Kazakhstan

Kazakhstan (Qazaqstan,; kəzɐxˈstan), officially the Republic of Kazakhstan (Qazaqstan Respýblıkasy; Respublika Kazakhstan), is the world's largest landlocked country, and the ninth largest in the world, with an area of.

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Korean Peninsula

The Korean Peninsula is a peninsula of Eurasia located in East Asia.

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Land use

Land use involves the management and modification of natural environment or wilderness into built environment such as settlements and semi-natural habitats such as arable fields, pastures, and managed woods.

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Lebanon

Lebanon (لبنان; Lebanese pronunciation:; Liban), officially known as the Lebanese RepublicRepublic of Lebanon is the most common phrase used by Lebanese government agencies.

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Losing stream

A losing stream, disappearing stream, influent stream or sinking river is a stream or river that loses water as it flows downstream.

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Main stem

In hydrology, a main stem (or trunk) is "the primary downstream segment of a river, as contrasted to its tributaries".

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Mediterranean Sea

The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant.

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Mediterranean sea (oceanography)

A mediterranean sea is, in oceanography, a mostly enclosed sea that has limited exchange of water with outer oceans and with water circulation dominated by salinity and temperature differences rather than winds.

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Mekong River Commission

The Mekong River Commission (MRC) is an "...inter-governmental organisation that works directly with the governments of Cambodia, Lao PDR, Thailand, and Vietnam to jointly manage the shared water resources and the sustainable development of the Mekong River." Its mission is "To promote and coordinate sustainable management and development of water and related resources for the countries' mutual benefit and the people's well-being.".

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Mexico

Mexico (México; Mēxihco), officially called the United Mexican States (Estados Unidos Mexicanos) is a federal republic in the southern portion of North America.

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Minnesota

Minnesota is a state in the Upper Midwest and northern regions of the United States.

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Mississippi River

The Mississippi River is the chief river of the second-largest drainage system on the North American continent, second only to the Hudson Bay drainage system.

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Mongolia

Mongolia (Monggol Ulus in Mongolian; in Mongolian Cyrillic) is a landlocked unitary sovereign state in East Asia.

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Montana

Montana is a state in the Northwestern United States.

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Morocco

Morocco (officially known as the Kingdom of Morocco, is a unitary sovereign state located in the Maghreb region of North Africa. It is one of the native homelands of the indigenous Berber people. Geographically, Morocco is characterised by a rugged mountainous interior, large tracts of desert and a lengthy coastline along the Atlantic Ocean and Mediterranean Sea. Morocco has a population of over 33.8 million and an area of. Its capital is Rabat, and the largest city is Casablanca. Other major cities include Marrakesh, Tangier, Salé, Fes, Meknes and Oujda. A historically prominent regional power, Morocco has a history of independence not shared by its neighbours. Since the foundation of the first Moroccan state by Idris I in 788 AD, the country has been ruled by a series of independent dynasties, reaching its zenith under the Almoravid dynasty and Almohad dynasty, spanning parts of Iberia and northwestern Africa. The Marinid and Saadi dynasties continued the struggle against foreign domination, and Morocco remained the only North African country to avoid Ottoman occupation. The Alaouite dynasty, the current ruling dynasty, seized power in 1631. In 1912, Morocco was divided into French and Spanish protectorates, with an international zone in Tangier, and regained its independence in 1956. Moroccan culture is a blend of Berber, Arab, West African and European influences. Morocco claims the non-self-governing territory of Western Sahara, formerly Spanish Sahara, as its Southern Provinces. After Spain agreed to decolonise the territory to Morocco and Mauritania in 1975, a guerrilla war arose with local forces. Mauritania relinquished its claim in 1979, and the war lasted until a cease-fire in 1991. Morocco currently occupies two thirds of the territory, and peace processes have thus far failed to break the political deadlock. Morocco is a constitutional monarchy with an elected parliament. The King of Morocco holds vast executive and legislative powers, especially over the military, foreign policy and religious affairs. Executive power is exercised by the government, while legislative power is vested in both the government and the two chambers of parliament, the Assembly of Representatives and the Assembly of Councillors. The king can issue decrees called dahirs, which have the force of law. He can also dissolve the parliament after consulting the Prime Minister and the president of the constitutional court. Morocco's predominant religion is Islam, and the official languages are Arabic and Berber, with Berber being the native language of Morocco before the Arab conquest in the 600s AD. The Moroccan dialect of Arabic, referred to as Darija, and French are also widely spoken. Morocco is a member of the Arab League, the Union for the Mediterranean and the African Union. It has the fifth largest economy of Africa.

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Mountain

A mountain is a large landform that stretches above the surrounding land in a limited area, usually in the form of a peak.

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Newfoundland and Labrador

Newfoundland and Labrador (Terre-Neuve-et-Labrador; Akamassiss; Newfoundland Irish: Talamh an Éisc agus Labradar) is the most easterly province of Canada.

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Nile

The Nile River (النيل, Egyptian Arabic en-Nīl, Standard Arabic an-Nīl; ⲫⲓⲁⲣⲱ, P(h)iaro; Ancient Egyptian: Ḥ'pī and Jtrw; Biblical Hebrew:, Ha-Ye'or or, Ha-Shiḥor) is a major north-flowing river in northeastern Africa, and is commonly regarded as the longest river in the world, though some sources cite the Amazon River as the longest.

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Nile Basin Initiative

The Nile Basin Initiative (NBI) is a partnership among the Nile riparian states that “seeks to develop the river in a cooperative manner, share substantial socioeconomic benefits, and promote regional peace and security”.

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North Africa

North Africa is a collective term for a group of Mediterranean countries and territories situated in the northern-most region of the African continent.

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North America

North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere; it is also considered by some to be a northern subcontinent of the Americas.

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North Dakota

North Dakota is a U.S. state in the midwestern and northern regions of the United States.

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Northern Canada

Northern Canada, colloquially the North, is the vast northernmost region of Canada variously defined by geography and politics.

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Okavango River

The Okavango River (formerly spelled Okovango or Okovanggo) is a river in southwest Africa.

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Organisation pour la mise en valeur du fleuve Sénégal

The Organisation pour la mise en valeur du fleuve Sénégal (OMVS; in English Senegal River Basin Development Authority) is an organisation grouping Guinea, Mali, Mauritania and Senegal for the purpose of jointly managing the Senegal River and its drainage basin.

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Pacific Islands

The Pacific Islands are the islands of the Pacific Ocean.

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Pacific Ocean

The Pacific Ocean is the largest and deepest of Earth's oceanic divisions.

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Persian Gulf

The Persian Gulf (lit), (الخليج الفارسي) is a mediterranean sea in Western Asia.

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Precipitation

In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravity.

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Rain

Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then becomes heavy enough to fall under gravity.

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Río de la Plata

The Río de la Plata ("river of silver") — rendered River Plate in British English and the Commonwealth and La Plata River (occasionally Plata River) in other English-speaking countries — is the estuary formed by the confluence of the Uruguay and the Paraná rivers.

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Red Sea

The Red Sea (also the Erythraean Sea) is a seawater inlet of the Indian Ocean, lying between Africa and Asia.

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Ridge

A ridge or mountain ridge are geological features consisting of a chain of mountains or hills that form a continuous elevated crest for some distance.The sides of the ridge slope away from narrow top on either side.The line along the crest formed by the highest points, with the terrain dropping down on either side, is called the ridgeline.

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River

A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river.

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River basin management plans

River basin management plans are a management tool in integrated water resources management.

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River bifurcation

River bifurcation (from furca, fork) occurs when a river flowing in a single stream separates into two or more separate streams (called distributaries) which continue downstream.

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Road

A road is a thoroughfare, route, or way on land between two places that has been paved or otherwise improved to allow travel by foot or some form of conveyance, including a motor vehicle, cart, bicycle, or horse.

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Rocky Mountains

The Rocky Mountains, also known as the Rockies, are a major mountain range in western North America.

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Roof

A roof is part of a building envelope.

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Rupert's Land

Rupert's Land, or Prince Rupert's Land, was a territory in British North America comprising the Hudson Bay drainage basin, a territory in which a commercial monopoly was operated by the Hudson's Bay Company for 200 years from 1670 to 1870.

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Sahara

The Sahara (الصحراء الكبرى,, 'the Great Desert') is the largest hot desert and the third largest desert in the world after Antarctica and the Arctic.

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Saint Lawrence River

The Saint Lawrence River (Fleuve Saint-Laurent; Tuscarora: Kahnawáʼkye; Mohawk: Kaniatarowanenneh, meaning "big waterway") is a large river in the middle latitudes of North America.

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Sand

Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.

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Saskatchewan

Saskatchewan is a prairie and boreal province in western Canada, the only province without natural borders.

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Scandinavian Peninsula

The Scandinavian Peninsula (Skandinaviska halvön; Den skandinaviske halvøy; Skandinavian niemimaa; ?; Скандинавский полуостров, Skandinavsky poluostrov) is a peninsula of Eurasia located in Northern Europe, which generally comprises the mainland of Sweden, the mainland of Norway (with the exception of a small coastal area bordering Russia), the northwestern area of Finland, as well as a narrow area in the west of the Pechengsky District of Russia.

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Sediment

Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice, and/or by the force of gravity acting on the particles.

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Senegal River

The Senegal River (نهر السنغال, Fleuve Sénégal) is a long river in West Africa that forms the border between Senegal and Mauritania.

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Sidewalk

A sidewalk (American English) or pavement (British English), also known as a footpath or footway, is a path along the side of a road.

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Sink (geography)

A geographic sink is a depression within an endorheic basin where water collects with no visible outlet.

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Snowmelt

In hydrology, snowmelt is surface runoff produced from melting snow.

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Soil

Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.

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South America

South America is a continent in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere.

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South Dakota

South Dakota is a U.S. state in the Midwestern region of the United States.

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Southern Europe

Southern Europe is the southern region of the European continent.

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Southern Ocean

The Southern Ocean, also known as the Antarctic Ocean or the Austral Ocean, comprises the southernmost waters of the World Ocean, generally taken to be south of 60° S latitude and encircling Antarctica.

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Strahler number

In mathematics, the Strahler number or Horton–Strahler number of a mathematical tree is a numerical measure of its branching complexity.

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Stream gauge

A stream gauge, streamgage or gauging station is a location used by hydrologists or environmental scientists to monitor and test terrestrial bodies of water.

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Sub-Saharan Africa

Sub-Saharan Africa is, geographically, the area of the continent of Africa that lies south of the Sahara.

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Surface runoff

Surface runoff (also known as overland flow) is the flow of water that occurs when excess stormwater, meltwater, or other sources flows over the Earth's surface.

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Surface water

Surface water is water on the surface of the planet such as in a river, lake, wetland, or ocean.

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Syria

Syria (سوريا), officially known as the Syrian Arab Republic (الجمهورية العربية السورية), is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the west, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest.

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Tahoe Regional Planning Agency

The Tahoe Regional Planning Agency (or TRPA) was formed in 1969 through a bi-state compact between California and Nevada which was ratified by the U.S. Congress.

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Tenaja

A tenaja is a water basin or retention area.

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The Maritimes

The Maritimes, also called the Maritime provinces (Provinces maritimes) or the Canadian Maritimes, is a region of Eastern Canada consisting of three provinces: New Brunswick, Nova Scotia, and Prince Edward Island (PEI).

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Time of concentration

Time of concentration is a concept used in hydrology to measure the response of a watershed to a rain event.

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Topography

Topography is the study of the shape and features of the surface of the Earth and other observable astronomical objects including planets, moons, and asteroids.

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Transboundary river

A transboundary river is a river that crosses at least one political border, either a border within a nation or an international boundary.

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Treaty

A treaty is an agreement under international law entered into by actors in international law, namely sovereign states and international organizations.

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Turkey

Turkey (Türkiye), officially the Republic of Turkey (Türkiye Cumhuriyeti), is a transcontinental country in Eurasia, mainly in Anatolia in Western Asia, with a smaller portion on the Balkan peninsula in Southeast Europe.

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U.S. state

A state is a constituent political entity of the United States.

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UNESCO

The United Nations Educational, Scientific and Cultural Organization (UNESCO; Organisation des Nations unies pour l'éducation, la science et la culture) is a specialized agency of the United Nations (UN) based in Paris.

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United States Forest Service

The United States Forest Service (USFS) is an agency of the U.S. Department of Agriculture that administers the nation's 154 national forests and 20 national grasslands, which encompass.

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United States Geological Survey

The United States Geological Survey (USGS, formerly simply Geological Survey) is a scientific agency of the United States government.

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Voronoi diagram

In mathematics, a Voronoi diagram is a partitioning of a plane into regions based on distance to points in a specific subset of the plane.

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Water cycle

The water cycle, also known as the hydrological cycle or the hydrologic cycle, describes the continuous movement of water on, above and below the surface of the Earth.

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Water pollution

Water pollution is the contamination of water bodies, usually as a result of human activities.

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Watershed district (Minnesota)

Watershed districts are special government entities in the U.S. state of Minnesota that monitor and regulate the use of water in watersheds surrounding various lakes and rivers in the state.

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Watershed management

Watershed management is the study of the relevant characteristics of a watershed aimed at the sustainable distribution of its resources and the process of creating and implementing plans, programs, and projects to sustain and enhance watershed functions that affect the plant, animal, and human communities within the watershed boundary.

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Western Canada

Western Canada, also referred to as the Western provinces and more commonly known as the West, is a region of Canada that includes the four provinces of Alberta, British Columbia, Manitoba and Saskatchewan.

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Western Europe

Western Europe is the region comprising the western part of Europe.

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Western Sahara

Western Sahara (الصحراء الغربية, Taneẓroft Tutrimt, Spanish and French: Sahara Occidental) is a disputed territory in the Maghreb region of North Africa, partially controlled by the self-proclaimed Sahrawi Arab Democratic Republic and partially Moroccan-occupied, bordered by Morocco proper to the north, Algeria to the northeast, Mauritania to the east and south, and the Atlantic Ocean to the west.

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World Resources Institute

The World Resources Institute (WRI) is a global research non-profit organization that was established in 1982 with funding from the John D. and Catherine T. MacArthur Foundation under the leadership of James Gustave Speth.

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Catchment, Catchment area (hydrology), Catchment area (river), Catchment basin, Catchment management, Catchment of water, Catchment water, Drainage Basin, Drainage area, Drainage basins, Rain catchment, River Basin, River Basins, River Drainage Basin, River basin, River basins, Sub-watershed, Subwatershed, Surface water basin, Total catchment management, Water Catchment, Water basin, Water catchment, Water catchment area, Water catchments, Watershed (ecology), Watershed (hydrology).

References

[1] https://en.wikipedia.org/wiki/Drainage_basin

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