what is river basin in geography

Ans. 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 through the northern part of the continent, mainly in venezuela; more than 1,500 miles ... what is the dominant vegetation of the amazon river basin. At about 86 meters (282 feet) below sea level, it is the lowest place in North America. The remains of the diatoms were at the bottom of these basins. Rivers menu Ans. A geological basin is a large low-lying area. If a media asset is downloadable, a download button appears in the corner of the media viewer. Case Study - Ganges/Brahmaputra River Basin. The Amazon runs through South America through some of the densest rainforests in the world, containing more biodiversity than anywhere on Earth. The water draining into Death Valley from its few streams does not exit the basin to a river or estuary. Rivers - Long Profile It is more than 155 million square kilometers (59 million square miles)all of the continents could fit into it. It lies close to the equator, between 10°N and 10°S. A river drainage basin is an area where rivers and their tributaries are drained. 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. part of a continent that extends underwater to the deep-ocean floor. The term watershed is used to describe a smaller area of land that drains to a smaller stream, lake or wetland. Millions of years ago, tiny sea creatures called diatoms lived and died in ocean basins. Q10. All rights reserved. The Red River is a major tributary of the Mississippi River, which flows into the Gulf of Mexico.The Amazon Basin, in northern South America, is the largest in the world. Jeff Hunt, Mary Crooks, National Geographic Society long, deep depression, either natural or man-made. The dis… 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.. 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. In physical erosion, the rock breaks down but its chemical composition remains the same, such as during a landslide or bioerosion, when plants take root and crack rocks. Some oceanographers (and some astronomers!) 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. Ans. The Ghaghara river is the largest tributary of river Ganga. A confluence - where a river joins another river. In these subduction zones, the heavier plate moves underneath, or subducts, the lighter one. Santani Teng Washington, D.C.: National Geographic Society. Fossil fuels formed from the remains of ancient plants and animals. land that descends into a river or a stream is called a basin What do the people of Amazon rainforest grow? Discharge is ordinarily estimated at checking stations that are arranged at various focuses along the river. break in the Earth's crust created by it spreading or splitting apart. And, it carries the largest volume of water to the s… structure built across a river or other waterway to control the flow of water. 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. Etosha pan in Namibia's Etosha National Park. Ans. A river basin drains all of the land around a major river. As water flows over and through the landscape, it transports materials like plastics, and often times, pollutants, moving them downstream and ultimately to the ocean. What is the name of the watershed or river basin you live in? a dip or depression in the surface of the land or ocean floor. Kara West. Tectonic activity is the movement of large pieces of the Earth’s crust, called tectonic plates. Erosion is the process where rocks are broken down by natural forces such as wind or water. A river basin or drainage basin is an area of land drained by a river and its tributaries. google_ad_width = 250; Geography and geology. See more. Few instruments can endure the intense pressure, cold, and dark at the bottom of ocean basins. Other terms for drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. The world’s largest drainage basin […] In North America, the Western Canadian Sedimentary Basin is one of the continent's largest suppliers of gas and coal. 3.5K views What is a drainage basin? This process happens over thousands of years. Text on this page is printable and can be used according to our Terms of Service. A river basin is an area of land drained by a river and its tributaries. Sedimentary basins have been filled with layers of rock and organic material over millions of years. Rain falling within a river basin, or watershed, runs downhill until it reaches a stream. mouth of a river where the river's current meets the sea's tide. coal, oil, or natural gas. If a basin is shaped like a bowl, a structural basin is shaped like a series of smaller bowls, stacked inside each other. tiny ocean animal, some of which secrete calcium carbonate to form reefs. act in which earth is worn away, often by water, wind, or ice. the fall of rocks, soil, and other materials from a mountain, hill, or slope. 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 … What is called “Maloca”? Explain what a drainage basin is in your own words. Turkana Basin, in Kenya, whose basin includes the Omo River of Ethiopia. All the water in the drainage basin flows downhill toward bigger rivers. google_ad_width = 160; A lake collects water at the bottom of this basin. Rain falling within a river basin, or watershed, runs downhill until it reaches a stream. National Geographic Headquarters It encompasses all of the land surface dissected and drained by many streams and creeks that flow downhill into one another, and eventually into the Milwaukee River. The river basin drains portions of Brazil, parts of Peru, Bolivia, Ecuador, Columbia and a small part of Venezuela. Mouth - Where a river meets a lake, the sea or an ocean. River Drainage BasinsA river drainage basin is an area drained by a river and all of its tributaries. This lists the logos of programs or partners of. process where streams do not drain to a larger watershed. The Amazon Basin is the largest of this type, containing drainage from an area of more than 3 million square miles. The ridge of high land which surrounds a river. river basin in Geography topic. The Amazon River is widely considered the second-longest river in the world, though some claim that it might actually be the longest. 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. Tim Gunther, Jeannie Evers, Emdash Editing Which drainage basin largest among peninsular rivers? Occasionally, researchers themselves explore ocean basins in special submarines called submersibles. Kim Rutledge These streams, ponds, wetlands, and lakes are part of a river basin. The land area that is drained by a river and its tributaries. Landforms - Lower Course Also called lithospheric plate. The remaining water becomes even saltier. Define river basin. Melissa McDaniel Geography. Endorheic basins have internal drainage systems. Start studying World Geography Chapter 9. The Mississippi River basin, for example, is a vast area that covers much of the central United States from the central ranges of the Appalachian Mountains in the east to the eastern ranges of the Rocky Mountains in the west, funneling toward its delta in southern Louisiana … Basins are formed by forces above the ground (like erosion) or below the ground (like earthquakes). Which is the largest tributary of river Ganga? River Basins The final destination is than an estuary which eventually carries it … thick trees of the rain forest. Hilary Costa Drainage Basins - key terms. Lake basins often form in valleys blocked by rocks or other debris left by a landslide, lava flow, or glacier. say that we know more about the surface of the moon than we do about the surface of the ocean floor. The Amazon basin, the world’s largest river basin, is located in between the Guyana Highlands and the Brazalian Highlands. A river basin is made up of many different watersheds. When the glaciers move, the basins they create remain. 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. While water evaporates into the atmosphere, minerals remain. Geography. 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. What are the cash crops grown by people of Amazon Basin? rift in underwater mountain range where new oceanic crust is formed. 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. Teach your students how water moves through a watershed with these resources. 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. Every river is part of a network of watersheds that make up a river system’s entire drainage basin. Differing in size and shape, watersheds can encompass a small stream or span thousands of miles like the Mississippi River watershed. Both river basins and watersheds are areas of land that drain to a particular water body, such as a lake, stream, river or estuary. google_ad_height = 600; A river basin is the part of land through which a main river and all its tributaries flows. depression in the Earth's surface caused by tectonic activity. river basin. They mainly grow tapioca, pineapple and sweet potato. (singular: phenomenon) any observable occurrence or feature. Geography and ToK Theory of Knowledge Drainage basins. A smaller tributary flows into the main river. A river basin is made up of many different watersheds. Washington, DC 20036, National Geographic Society is a 501 (c)(3) organization. In the right conditions, the pressure of the sediment fill turns the diatom remains into petroleum. These streams, ponds, wetlands, and lakes are part of a river basin. Also called a sink. The Rights Holder for media is the person or group credited. Hunza Lake in Pakistan was formed when an earthquake triggered a massive landslide in 2010. /* 160x600, created 25/02/09 */ depression in the Earth's surface located entirely beneath the ocean. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Identifying drainage basin features from maps and satellite photographs. ... geography, and other reference data is for informational purposes only. Structural basins, formed by tectonic activity and the natural processes of weathering and erosion, are found predominantly in dry regions. Q10. 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. Hilary Hall Gas molecules are in constant, random motion. The cash crops grown by people of Amazon Basin are coffee, maize and cocoa. A confluence in a river. River basins flow downhill, which means they usually start at relatively high elevations, such as on mountains or hilltops. 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. geographic area whose rock strata contain oil or gas. The Ring of Fire touches Alaska, the Americas, New Zealand, and eastern Asia. Ans. Ans. The drainage basin is: The area of land drained by a river.