All rights reserved. depression in the Earth's surface caused by tectonic activity. break in the Earth's crust created by it spreading or splitting apart. Tectonic activity is the movement of large pieces of the Earth’s crust, called tectonic plates. River basins have typical features, these include: Tributary – a smaller river or stream flowing into a larger river. a dip or depression in the surface of the land or ocean floor. river basin - 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" catchment area , catchment basin , drainage area , drainage basin , watershed , basin The Okavango River, in the Kalahari Desert, is part of an endorheic basin region, the Okavango Basin, that also includes the Okavango Delta, Lake Ngami, the Nata River, and a number of salt pans such as Makgadikgadi Pan. land that descends into a river or a stream is called a basin google_ad_width = 160; watershed that empties into an internal body of water, not the ocean. These areas are called mid-ocean ridges. The land area that is drained by a river and its tributaries. the breaking down or dissolving of the Earth's surface rocks and minerals. Also called a watershed. Understanding the hydrological cycle is useful in order to understand how and why the amount of water fluctuates. Every stream and tributary has its own watershed, which drains to a larger stream or wetland. rocky outermost layer of Earth or other planet. Q11. When enough water collects in an endorheic basin, it can form a very salty lake, such as the Dead Sea, between Israel and Jordan. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. These streams, ponds, wetlands, and lakes are part of a river basin. They can be oval or circular in shape, similar to a sink or tub you might have in your own bathroom. What is the name of the watershed or river basin you live in? google_ad_height = 250; The Mekong River flows from Tibet to China, walking the borders between Burma and China, Burma and Laos, and Thailand and Laos, and travels through Cambodia and Vietnam discharging into the South China Sea. river basin in Geography topic. Other terms for drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. molten rock, or magma, that erupts from volcanoes or fissures in the Earth's surface. //-->, . A river’s water can fluctuate over time. Flooding and management Landforms - Upper Course one of the seven main land masses on Earth. google_ad_slot = "4449163260"; A river basin sends all the water that falls within it to a central river, and from there to the ocean. It is the basic hydrological unit for planning and development of water resources of a country. Etosha pan in Namibia's Etosha National Park. act in which earth is worn away, often by water, wind, or ice. The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit. Also called glacial age. Ans. Q15. A river basin is an area of land drained by a river and its tributaries. If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. google_ad_client = "pub-7990220078266560"; Which is the largest tributary of river Ganga? Processes - Erosion Gas molecules are in constant, random motion. Turkana Basin, in Kenya, whose basin includes the Omo River of Ethiopia. Text on this page is printable and can be used according to our Terms of Service. It is often below sea level.. Geological basins are one of the two most common places inland which collect sediment (the other is lakes).The type of rocks which form there tell about the palaeoclimate of the continent.The geology is of interest to oil prospectors, hydrologists and palaeontologists A confluence in a river. What do the people of Amazon rainforest grow? Also called crude oil. In these subduction zones, the heavier plate moves underneath, or subducts, the lighter one. This means they don’t have enough water to drain to a stream, lake, or ocean. Its shore, about 400 meters (1,300 feet) below sea level, is Earth’s lowest dry point.Death Valley, in the U.S. state of California, is another endorheic basin. river basin. The Amazon River is widely considered the second-longest river in the world, though some claim that it might actually be the longest. Privacy Notice |  Tim Gunther, Jeannie Evers, Emdash Editing The total length of Indus river is 2900km. Explore the process of erosion with this collection of resources. The drainage basin is: The area of land drained by a river. River Basins Both river basins and watersheds are areas of land that drain to a particular water body, such as a lake, stream, river or estuary. Melissa McDaniel Ans. ... geography, and other reference data is for informational purposes only. If a basin is shaped like a bowl, a structural basin is shaped like a series of smaller bowls, stacked inside each other. A watershed, also called a drainage basin or catchment, is an area drained by a river and its tributaries. Processes - Deposition Drainage Basins - key terms. There are also seasonal lakes (or dry lakes), or even deserts on which rivers end and are evaporated or filtered into the ground. A drainage basin is an example of an open system because it is open to inputs from outside, such as precipitation, and is responsible for outputs out of the system, such as output of water into the sea and evaporation of water into the atmosphere. An endorheic basin (/ ˌɛndoʊˈriː.ɪk /; also spelled endoreic basin or endorreic basin) is a 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 … Pacific Ocean Basin: Ring Of FireThe Pacific Ocean basin is the largest in the world. It is very difficult to get information about landforms of the ocean basin, such as trenches and mid-ocean ridges. Ans. Jeff Hunt, Mary Crooks, National Geographic Society fossil fuel formed from the remains of ancient organisms. The world’s largest drainage basin […] depression in the Earth's surface located entirely beneath the ocean. She or he will best know the preferred format. tiny ocean animal, some of which secrete calcium carbonate to form reefs. The Mississippi River basin in the U.S., for instance, is made up of six major watersheds: the Missouri, Upper Mississippi, Ohio, Tennessee, Lower Mississippi, and Arkansas … Rain falling within a river basin, or watershed, runs downhill until it reaches a stream. The practice of basin planning has developed over time in response to the changing demands placed on river systems by societies, and the changing conditions of rivers. Sustainability Policy |  Structural basins, formed by tectonic activity and the natural processes of weathering and erosion, are found predominantly in dry regions. Define river basin. Q16. Learn vocabulary, terms, and more with flashcards, games, and other study tools. rock, debris, and other material that fills a sedimentary basin. A river basin is an area of land drained by a river and its tributaries. small submarine used for research and exploration. Santani Teng Edges of the continents, called continental shelves, form the sides of ocean basins.There are five major ocean basins, coordinating with the major oceans of the world: the Pacific basin, the Atlantic basin, the Indian basin, the Arctic basin, and the Southern basin. Other articles where Amazon Basin is discussed: plant: Plant geography: Amazon basin have evolved as a part of a river system whose water level fluctuates annually by as much as 15 metres (50 feet) or more along the middle and lower Amazon. Which two Peninsular rivers flow through trough? Hydropolitics of the Basin an opening in the Earth's crust, through which lava, ash, and gases erupt, and also the cone built by eruptions. The regime of a river is the way in which the discharge of the river changes over time or in the course of the year. an entire river system or an area drained by a river and its tributaries. Lake basins often form in valleys blocked by rocks or other debris left by a landslide, lava flow, or glacier. It is more than 155 million square kilometers (59 million square miles)all of the continents could fit into it. google_ad_client = "pub-7990220078266560"; The basin is commonly divided into the Upper and Lower Mekong River Basin. It evaporates or seeps into the ground.A lake basin is another type of structural basin. How would the regime of a river be affected by each of the following: A sudden intense period of rainfall; Snow melting on mountains at the end of summer; A long period of drought Basin definition, a circular container with a greater width than depth, becoming smaller toward the bottom, used chiefly to hold water or other liquid, especially for washing. person who studies space and the universe beyond Earth's atmosphere. Hilary Costa say that we know more about the surface of the moon than we do about the surface of the ocean floor. The Amazon River and all of its tributaries drain an area more than 7 million square kilometers (about 3 million square miles). Erin Sprout /* 250x250, created 25/02/09 */ Explorer-in-Residence Enric Sala reviews general facts about the Atlantic Ocean. USDA: Natural Resources Conservation Service—Basin-Wide Reservoir Summaries, National Geographic Magazine: Murray-Darling Basin—Australia’s Dry Run, NOAA: Exploring the Ocean Basins with Satellite Altimeter Data, National Geographic Travel: Great Basin National Park. type of algae, most of which are only one cell. Geography. It is also the oldest basin; researchers say its rocks are 200 million years old. Q14. What is called “Maloca”? The Amazon Basin is the largest of this type, containing drainage from an area of more than 3 million square miles. What are the cash crops grown by people of Amazon Basin? structure built across a river or other waterway to control the flow of water. All the water in the drainage basin flows downhill toward bigger rivers. Q9. Drainage basin, also called catchment area, or (in North America) watershed, area from which all precipitation flows to a single stream or set of streams. A confluence - where a river joins another river. These streams, ponds, wetlands, and lakes are part of a river basin. Video. The natural processes of weathering and erosion also contribute to forming structural basins.Structural basins form as tectonic plates shift. They can be created over thousands of years or almost overnight.The major types of basins are river drainage basins, structural basins, and ocean basins. The ACF River Basin begins in the mountains of northeast Georgia, and drains much of metro Atlanta, most of west Georgia and southwest Georgia and adjoining counties of southeast Alabama, before it splits the central part of the Florida Panhandle and flows into the Gulf of Mexico at Apalachicola Bay, near Apalachicola, Florida.It drains an area of 20,355 square miles. Q9. state of matter with no fixed shape that will fill any container uniformly. coal, oil, or natural gas. River basins flow downhill, which means they usually start at relatively high elevations, such as on mountains or hilltops. area of land covered by shallow water or saturated by water. Discharge is ordinarily estimated at checking stations that are arranged at various focuses along the river. Q10. Longest or not, there's no doubt that it has staggering importance to the world's ecosystems. remains of something broken or destroyed; waste, or garbage. the sudden shaking of Earth's crust caused by the release of energy along fault lines or from volcanic activity. inorganic material that has a characteristic chemical composition and specific crystal structure. Terms of Service |  The Godavari Basin is the largest among peninsular rivers. Washington, D.C.: National Geographic Society. Answer: Drainage Question 2. Others are empty. A river basin is an area of land drained by a river and its tributaries. to change from a liquid to a gas or vapor. What are the cash crops grown by people of Amazon Basin? See more. 3.5K views If a media asset is downloadable, a download button appears in the corner of the media viewer. A confluence – where a river joins another river. Diane Boudreau The water that trickles into these types of basins evaporates or seeps into the ground. The cash crops grown by people of Amazon Basin are coffee, maize and cocoa. The river basin drains a total land area of 795,000 km 2 and has a mean annual discharge of 475 km 3, the tenth largest in the world. Structural basins, formed by tectonic activity and the natural processes of weathering and erosion, are found predominantly in dry regions. The Amazon basin is the largest river basin in the world. The final destination is than an estuary which eventually carries it … Seafloor spreading happens along the boundaries of tectonic plates that are moving apart from each other. In North America, the term watershed is commonly used to mean a drainage basin, though in other English-speaking countries, it is used only in its original sense, that of a drainage divide.. This lists the logos of programs or partners of. Kara West. Eventually, these ancient oceans dried up, leaving dry basins. National Geographic Headquarters Any interactives on this page can only be played while you are visiting our website. These landforms are thousands of feet below the surface of the water. The volume is estimated in cubic meters (m3), and it is every second, so the units of discharge are cubic meters a second or m3s-1. River basin definition: A river basin is the area of land from which all the water flows into a particular river. For example, the total area drained by the Mississippi River constitutes its drainage basin, whereas that part of the Mississippi River drained by the Ohio River is the Ohio’s drainage basin. They mainly grow tapioca, pineapple and sweet potato. A watershed is a small version of a river basin. The Atlantic basin, for instance, is expanding because of seafloor spreading.Subduction happens along the boundaries of tectonic plates that are crashing into each other. dip or depression in the surface of the Earth that used to be the site of a lake. The ridge of high land which surrounds a river. ... orinoco river. Geography. process of one tectonic plate melting, sliding, or falling beneath another. The Mekong River Basin includes seven broad regions with diverse topography, drainage patterns and geomorphology. The Mississippi River basin in the U.S., for instance, is made up of six major watersheds: the Missouri, Upper Mississippi, Ohio, Tennessee, Lower Mississippi, and Arkansas-Red-White Rivers. google_ad_height = 600; The remains of the diatoms were at the bottom of these basins. Which drainage basin largest among peninsular rivers? A lake collects water at the bottom of this basin. Those dry lakes can also have basins. Every stream and tributary has its own watershed, which drains to a larger stream or wetland. The Dead Sea is one of the saltiest natural body of water on Earth. The remains were crushed under billions of tons of sediment fill, over millions of years. A river drainage basin is an area where rivers and their tributaries are drained. What is called “Maloca”? Structural basins are usually found in dry regions. 1145 17th Street NW Landforms - Lower Course In the right conditions, the pressure of the sediment fill turns the diatom remains into petroleum. Ocean basins that have mid-ocean ridges are expanding. The river Amazon flows through this region. A river basin is made up of many different watersheds. Hunza Lake in Pakistan was formed when an earthquake triggered a massive landslide in 2010. Sedimentary basins have been filled with layers of rock and organic material over millions of years. Every river is part of a network of watersheds that make up a river system’s entire drainage basin. A river basin is the part of land through which a main river and all its tributaries flows. From Longman Dictionary of Contemporary English river basin ˈriver ˌbasin noun [countable] SG an area from which all the water flows into the same river Examples from the Corpus river basin • Another use of the simulation model might be to assess the effect of increasing the urban area lying within a river basin. A river basin consists of the entire geographic area (hillside, valley, plain) from which water flows into the primary river, which is made up of an intricate network of smaller rivers and streams. Video. (singular: phenomenon) any observable occurrence or feature. A geological basin is a large low-lying area. Drainage basin, also called catchment area, or (in North America) watershed, area from which all precipitation flows to a single stream or set of streams. Chemical erosion occurs when a rock’s chemical composition changes, such as when iron rusts or when limestone dissolves due to carbonation. Mouth - Where a river meets a lake, the sea or an ocean. A river basin consists of the entire geographic area (hillside, valley, plain) from which water flows into the primary river, which is made up of an intricate network of smaller rivers and streams. If no button appears, you cannot download or save the media.