It is also the oldest basin; researchers say its rocks are 200 million years old. Santani Teng Why are the forests thick and dense in the region? rocky outermost layer of Earth or other planet. What do the people of Amazon rainforest grow? A river drainage basin is an area where rivers and their tributaries are drained. They can be oval or circular in shape, similar to a sink or tub you might have in your own bathroom. Code of Ethics, A basin is a depression, or dip, in the Earth’s surface, Earth Science, Geology, Geography, Physical Geography, This lists the logos of programs or partners of NG Education which have provided or contributed the content on this page. 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 … process where streams do not drain to a larger watershed. A river basin is the part of land through which a main river and all its tributaries flows. A river basin is an area of land drained by a river and its tributaries. Ans. 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. What's your basin?Everyone lives in a watershed or river basin, even if they don't live near water. There are also seasonal lakes (or dry lakes), or even deserts on which rivers end and are evaporated or filtered into the ground. Both river basins and watersheds are areas of land that drain to a particular water body, such as a lake, stream, river or estuary. Depression (geology) Back-arc basin, a submarine feature associated with island arcs and subduction zones; Debris basin, designed to prevent damage from debris flow; Drainage basin (hydrology), a topographic region in which all water drains to a common area; Endorheic basin, a closed topographic low area with no drainage outlet; Impact basin, a large impact crater What is called “Maloca”? small submarine used for research and exploration. Q16. A river basin is the area of land from which all the water flows into a particular river. National Geographic Headquarters say that we know more about the surface of the moon than we do about the surface of the ocean floor. Rivers menu 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. The Amazon basin is the largest river basin in the world. The edge of the drainage basin is known as the watershed. ... geography, and other reference data is for informational purposes only. Seafloor spreading happens along the boundaries of tectonic plates that are moving apart from each other. area of land covered by shallow water or saturated by water. Unintentionally, 1m3s-1 is equivalent to 1 cumec, so the discharge of a river is regularly estimated in cumecs because it is somewhat simpler to state. Q9. Many smaller basins are often considered oceanic basins, such as the North Aleutian Basin, between the Pacific and Arctic Oceans.Tectonic activity constantly changes ocean basins. google_ad_width = 250; A river basin is an area of land drained by a river and its tributaries. Structural BasinsStructural basins are formed by tectonic activity. 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. The Pease River, in northern Texas, is part of the Arkansas-Red-White watershed. These streams, ponds, wetlands, and lakes are part of a river basin. entire river system or an area drained by a river and its tributaries. 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. | Meaning, pronunciation, translations and examples A Watershed - an area of highland surrounding the river basin. Ans. A river basin is an area of land drained by a river and its tributaries. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. Millions of years ago, tiny sea creatures called diatoms lived and died in ocean basins. Explain what a drainage basin is in your own words. Tara Ramroop The Great Floods of 2000 Differing in size and shape, watersheds can encompass a small stream or span thousands of miles like the Mississippi River watershed. fossil fuel formed from the remains of ancient organisms. long, deep depression, either natural or man-made. 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. Occasionally, researchers themselves explore ocean basins in special submarines called submersibles. massive slab of solid rock made up of Earth's lithosphere (crust and upper mantle). Erin Sprout Video. /* 250x250, created 25/02/09 */ 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. A smaller tributary flows into the main river. person who studies space and the universe beyond Earth's atmosphere. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 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.. Q14. Ans. 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. Drainage Class 9 Extra Questions Social Science Geography Chapter 3 Extra Questions for Class 9 Social Science Geography Chapter 3 Drainage Drainage Class 9 Extra Questions Very Short Answer Type Questions Question 1. The land area that is drained by a river and its tributaries. River basin definition: A river basin is the area of land from which all the water flows into a particular river. Question 6. The Amazon Basin is the largest of this type, containing drainage from an area of more than 3 million square miles. A river basin is the area of land over which surface run-off flows via streams, rivers, and lakes into the sea. When the glaciers move, the basins they create remain. The Ghaghara river is the largest tributary of river Ganga. Sustainability Policy |  molten rock, or magma, that erupts from volcanoes or fissures in the Earth's surface. A Watershed - an area of highland surrounding the river basin. the sudden shaking of Earth's crust caused by the release of energy along fault lines or from volcanic activity. What is called “Maloca”? Structural basins, formed by tectonic activity and the natural processes of weathering and erosion, are found predominantly in dry regions. 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. Tectonic activity is the movement of large pieces of the Earth’s crust, called tectonic plates. This lists the logos of programs or partners of. The area drained by a single river system is called a _______ . Understanding the hydrological cycle is useful in order to understand how and why the amount of water fluctuates. You cannot download interactives. Terms of Service |  "Exploring Your World: The Adventure of Geography." Also called a watershed. //-->, . The total length of Indus river is 2900km. an entire river system or an area drained by a river and its tributaries. Which is the largest tributary of river Ganga? The Amazon River is widely considered the second-longest river in the world, though some claim that it might actually be the longest. The Ring of Fire touches Alaska, the Americas, New Zealand, and eastern Asia. rift in underwater mountain range where new oceanic crust is formed. Q10. The water draining into Death Valley from its few streams does not exit the basin to a river or estuary. The remains of the diatoms were at the bottom of these basins. New seafloor is created at the bottom, or rift, of a mid-ocean ridge. (adsbygoogle = window.adsbygoogle || []).push({}); Case Study - Ganges/Brahmaputra River Basin. Case Study - Ganges/Brahmaputra River 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. coal, oil, or natural gas. A confluence in a river. to change from a liquid to a gas or vapor. Others are empty. Teach your students how water moves through a watershed with these resources. google_ad_height = 600; The Amazon basin, the world’s largest river basin, is located in between the Guyana Highlands and the Brazalian Highlands. 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. Landforms - Lower Course Kara West. A watershed, also called a drainage basin or catchment, is an area drained by a river and its tributaries. The Hunza River continues to flow into the lake basin, and many geologists and villagers worry the basin won’t be strong enough to hold the water.Lake basins may also be carved out by glaciers—huge masses of ice—as they move down valleys or across the land. The remains were crushed under billions of tons of sediment fill, over millions of years. composed of living or once-living material. rock, debris, and other material that fills a sedimentary basin. Lake basins often form in valleys blocked by rocks or other debris left by a landslide, lava flow, or glacier. state of matter with no fixed shape that will fill any container uniformly. Also called glacial age. one of the seven main land masses on Earth. The drainage basin is: The area of land drained by a river. Rain falling within a river basin, or watershed, runs downhill until it reaches a stream. It is very difficult to get information about landforms of the ocean basin, such as trenches and mid-ocean ridges. google_ad_width = 160; Every stream and tributary has its own watershed, which drains to a larger stream or wetland. depression in the Earth's surface caused by tectonic activity. River basins have typical features, these include: Tributaries - smaller rivers flowing into a larger river. Longest or not, there's no doubt that it has staggering importance to the world's ecosystems. So, a basin is a geographical area that is washed into a sea, a river, a lake, or any other particular spot. Tectonic activity is responsible for such phenomena as earthquakes and volcanoes. A watershed is a small version of a river basin. Geography and ToK Theory of Knowledge Drainage basins. Video. Erosion is the process where rocks are broken down by natural forces such as wind or water. Explorer-in-Residence Enric Sala reviews general facts about the Antarctic Ocean. The debris acts as a dam, trapping water and forming a lake. What is the name of the watershed or river basin you live in? What are the cash crops grown by people of Amazon Basin? This process happens over thousands of years. Mouth - Where a river meets a lake, the sea or an ocean. If a media asset is downloadable, a download button appears in the corner of the media viewer.