Updated April 10, 2019 A river delta is a low-lying plain or landform that occurs at the mouth of a river near where it flows into an ocean or another larger body of water. expression mean? The delta is an area of land at the mouth of river formed by the deposition of sediments carried by rivers. mouth phrase. the opening between the jaws of a vise or the like. meal where guests serve themselves from a variety of different foods. National Geographic Headquarters a mouth is something that you chew food with. The Merrimack River's mouth has strong tidal currents. COLLOCATIONS – Meaning 5: the usual or natural way that something changes, develops, or is done verbs something takes a course (= develops in a particular way) He felt that events were taking the wrong course. geography definition: 1. the study of the systems and processes involved in the world's weather, mountains, seas, lakes…. Created. expression mean? steady, predictable flow of fluid within a larger body of that fluid. Definition of river mouth. He made a clicking sound with his tongue on the roof of his mouth. BSL Geography Glossary - Flood Plain - definition. What does heart is in mouth expression mean? Freshwater only reaches the Colorado River Delta when reservoirs created by man-made dams are full. Mouth of the river definition is - the place where the river enters the ocean. However, river management during the 20th century effectively shut the mouth of the Colorado River. These sediments form the flat, usually triangle-shaped land of a delta. Jeff Hunt, Mary Crooks, National Geographic Society Terms of Service | Only about three percent of Earth’s water is freshwater. BSL Geography Glossary - Flood Plain - definition. The Ganges (Ganga) River is a sacred body of water to Hindus that begins high in the Himalaya Mountains and empties out into the Bay of Bengal. So many smaller rivers empty into the Ganges Delta, the area is sometimes called the "Mouths of the Ganges.". The river channel is now deep and wide and the landscape around it is flat. | Meaning, pronunciation, translations and examples The definition of a mouth is the opening of something, particularly the opening through which a person talks and eats. largest freshwater bodies in the world, located in the United States and Canada. Mouth definition is - the natural opening through which food passes into the body of an animal and which in vertebrates is typically bounded externally by the lips and internally by the pharynx and encloses the tongue, gums, and teeth. a mouth is something that you chew food with. "Exploring Your World: The Adventure of Geography." The current changes here, and fish can find a “hole,” as fishermen call it, with relatively calm water. dry land with few plants: Term. River mouths are places of much activity. Another word for geography. Dunn, Margery G. (Editor). in geography and a Certificate of Advanced Study in Geographic information Systems (GIS). The place where a river enters a lake, larger river, or the ocean is called its mouth. Freshwater is a precious resource on the Earth's surface. She walked boldly up to him and kissed him on the mouth. Definitions by the largest Idiom Dictionary. gravel, sand, and smaller materials deposited by flowing water. Teach your students about the Earth’s rivers and streams with the resources in this collection. What does heart is in mouth expression mean? Washington, DC 20036, National Geographic Society is a 501 (c)(3) organization. Saliva contains amylase, an enzyme that digests starch. Examples of deltas are the Nile River Delta in Egypt and the Mississippi River Delta in the U.S. state of Louisiana.The mouth of a river is often a good place for fishing. Because they follow the contours of the ground, rivers rarely follow a straight path -- they always follow gravity to the lowest spot. The delta is an area of land at the mouth of river formed by the deposition of sediments carried by rivers. This discomfort may affect the tongue, gums, lips, inside of your cheeks, roof of your mouth (palate) or widespread areas of your whole mouth. A river is a large body of fresh, flowing water. River mouth definition is - the place where the river enters the ocean. gulf: Definition. An example of a mouth is where a river empties into a larger body of water. Mouth definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. coordinates The ancient Greek geographer Ptolemy created a grid system and listed the ____________ for places throughout the known world in his book Geography. Definition of mouth in the Idioms Dictionary. It is also home to many diverse fish, plant, and crustacean species. From each river’s source, the water meanders through the landscape meeting up with other streams and shaping civilization as we know it. If no button appears, you cannot download or save the media. Definitions by the largest Idiom Dictionary. Along the lower section, formed by the river mouths and by the area to the southwest, sediment carried down from the upper river is in the process of being deposited, and the flooding is less extreme than in the upper sections of the delta. The area north of the Ca Mau Peninsula is forested and swampy. She had heavy-lidded eyes and a full mouth. 1145 17th Street NW Use these classroom resources to help students explore and learn about these places. oxbow lake An oxbow lake is a stagnant lake that is formed alongside a winding river when the river changes path because of soil erosion, leaving an abandoned stream channel, cut off from the rest of the river. Sustainability Policy | What does mouth mean? In geographical terms, the word mouth means an opening into a place such as a cave or volcano. Rivers are found on every continent and on nearly every kind of land. River basin definition: A river basin is the area of land from which all the water flows into a particular river. This lists the logos of programs or partners of. Lower course features. The burning sensation can be severe, as if you scalded your mouth.Burning mouth syndrome usually appears suddenly, but it can develop gradually over time. Native species, such as cottonwood trees and the Colorado Delta clam, are endangered because of their lack of habitat.Many major port cities have been built at river mouths. Definition of mouth of the river. Tim Gunther, Jeannie Evers, Emdash Editing 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. It also means a place where a stream meets with another stream, such as the mouth of a river. World's Biggest DeltaA delta is formed where a river empties into a larger body of water and deposits large amounts of alluvium. This area gets covered in water when the river floods. The mouth opens to the outside at the lips and empties into the throat at the rear; its boundaries are defined by the lips, cheeks, hard and soft palates, and glottis. The four different river transport processes. The abundant wildlife and natural transportation often create dynamic harbors and ports. ... delta: Definition. Find questions about geology, agriculture, population and more. The river mouth is where much of this gravel, sand, silt, and clay—called alluvium—is deposited. Geography is the study of the Earth and its lands, features, inhabitants and phenomena. Level. Geography - Origins and Meaning. For information on user permissions, please read our Terms of Service. Diane Boudreau Kame Terrace: A flat-plain or land made up of sand and gravel, formed as the water melts in a glacial lake. small fish used as food or lure for larger fish. The line between the two valleys is the watershed and separates two drainage basins. Learn more. the flat, low-lying plain that sometimes forms at the mouth of a river from deposits of sediments. The habitats that freshwater ecosystems provide consist of lakes, rivers, ponds, wetlands, streams, and springs. In the lower course, the river has a high volume and a large discharge. environment where an organism lives throughout the year or for shorter periods of time. Amanda Briney. Erin Sprout She holds an M.A. But flood plains can also be very dangerous places. The size and shape of delta varies depending on the amount of sediments, the velocity and course of the river as well as ocean waves. Kids.Net.Au - Dictionary > Definition: mouth . A river delta is a low-lying plain or landform that occurs at the mouth of a river near where it flows into an ocean or another larger body of water. Foodstuffs are broken down mechanically in the mouth by chewing and saliva is added as a lubricant. You cannot download interactives. Kim Rutledge A river mouth is the part of a river where the river debouches into another river, a lake, a reservoir, a sea, or an ocean. The place where a river enters a lake, larger river, or the ocean is called its mouth. Any opening or aperture in the body. In geographical terms, a delta is defined as the alluvial deposit at the mouth of a river. phrase. Flood plains are naturally very fertile due to the river sediment which is deposited there. Mouth - Where a river meets a lake, the sea or an ocean. A baymouth bar is a depositional feature as a result of longshore drift.It is a sandbank that partially or completely closes access to a bay.. Foodstuffs are broken down mechanically in the mouth by chewing and saliva is added as a lubricant. It is often used in the context of the distinction between the indoor temperature of a place and the outdoor temperature of that place. Join our community of educators and receive the latest information on National Geographic's resources for you and your students. During rainfall, water will drain down both sides of the mountain into one of the valleys. The girl had huge brown eyes and a rosebud mouth. Thanks to the current of the river, the large fish have a “buffet” of smaller bait fish. See more. a woman with a sharp nose and a thin mouth. A watershed boundary, also called a drainage divide, marks the outer-most limit of a watershed. My mouth was dry and my hands were shaking. the art and science of controlling the flow, path, and power of rivers. Medical Author: William C. Shiel Jr., MD, FACP, FACR; Mouth: 1. Get all of Hollywood.com's best Celebrities lists, news, and more. If you have questions about licensing content on this page, please contact ngimagecollection@natgeo.com for more information and to obtain a license. It is one of the busiest port cities in the world. If sediment is deposited faster than it is carried away, it … 08/27/2010. mouth definition: 1. the opening in the face of a person or animal, consisting of the lips and the space between…. Although type 1 diabetes usually appears during childhood or adolescence, it can develop in adults.Despite active research, type 1 diabetes has no cure. by mouth: Latin instructions, “per os”; referring to the administration of a particular drug by mouth. How to use mouth in a sentence. The delta is 350 kilometers (220 miles) along the Bay of Bengal. Deltas' greatest importance to human activities, fish and wildlife lay in their characteristic highly fertile soil and dense, diverse vegetation. The river mouth is the place where a river flows into a larger body of water, such as another river, a lake, or an ocean. (1989, 1993). spot in a river where the water is still and deep. See 6 authoritative translations of Mouth in Spanish with example sentences, conjugations and audio pronunciations. Look it up now! A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water. What does mouth off expression mean? This means to draw, describe or write about the earth. something takes/runs its course (= develops in the usual or natural way) There was nothing we could do except watch the illness run its course. From larger predators and look for food enter another body of water enzyme that starch. And crustacean species and tongue broad, shallow areas variety of different foods refers to the Leaning Tower pisa... 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