Gornitz, V. ed.. Gierlowski-Kordesch, E. and Kelts, K.R. To learn more, visit our Earning Credit Page. An acid lake is a lake that has a pH is below neutral (<6.5). Test Your Knowledge - and learn some interesting things along the way. • The largest lake by surface area is Caspian Sea, which is despite its name considered as a lake from the point of view of geography. [citation needed] This water would quickly freeze and then sublimate, unless insulated in some manner, such as by a coating of volcanic ash. - Definition & Explanation, What is a Map Key/Legend? Working Scholars® Bringing Tuition-Free College to the Community, Name and describe the different types of lakes and explain how they are formed. - Definition & Overview, What is Geology? The word is derived from the Old Norse word tjörn ("a small mountain lake without tributaries") meaning pond. The oxbow lake is created over time as erosion and deposits of soil change the river's course. Around 10,000 years ago as the ice age advance began to melt, glacial deposits or drift were left behind. Did you know… We have over 220 college Occasionally, we create our own lakes, like when we build dams across rivers to hold back freshwater. Get the unbiased info you need to find the right school. Geologic evidence appears to confirm, however, that ancient lakes once formed on the surface. Sciences, Culinary Arts and Personal Glacier lakes are found in large valleys or hollows carved out long ago by slow-moving glaciers, while smaller kettle lakes are made from depressions left by chunks of glacial ice. NOW 50% OFF! This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. 'All Intensive Purposes' or 'All Intents and Purposes'? Lakes generally form in depressions, such as those created by glacial or volcanic action; they may also form when a section of a river becomes dammed or when a channel is isolated by a change in a river's course. An insoluble coloring compound precipitated from a solution of a dye by adding a metallic salt, which acts as a mordant: used in applying dyes to cloth and in making paints, printing inks, etc. Learn about the different types of lakes, from glacier lakes to oxbow lakes, and how they are formed. The Caspian Sea is the largest lake by surface area in the world. What kind of water is found in most lakes? Some lakes can disappear seasonally. The Caspian Sea, though not considered a lake by some hydrologists, is the world’s largest inland sea. [53], The presence of ground permafrost is important to the persistence of some lakes. Services. A lake forms as the river finds a different, shorter, course. A lake is a body of water surrounded on all sides by land. {{courseNav.course.mDynamicIntFields.lessonCount}} lessons Please select which sections you would like to print: Corrections? Some lakes, like the Caspian Sea, are created by shifts in the earth's crust where a large depression forms and fills with water. {{courseNav.course.topics.length}} chapters | Goudie, A. Like other living things, lakes undergo an aging process, where older lakes dry up as they fill with sediment or lose water faster than they can replenish it. The lake may be infilled with deposited sediment and gradually become a wetland such as a swamp or marsh. The idea here is that rising air and soil temperatures thaw permafrost, allowing the lakes to drain away into the ground.[54]. News sources reported that government officials theorized that this strange phenomenon may have been caused by a shift in the soil underneath the lake that allowed its water to drain through channels leading to the Oka River. The U.S. state of Alaska has more than three million lakes with surface areas greater than 8 hectares (20 acres). Despite its name, the Dead Sea, located on the border of Jordan and Israel, is not a sea but a saline lake that was once fed by the Jordan River. Poehls, D.J. [51] This is significant since wildfire has been largely suppressed in the developed world over the past century. lake 1 (lāk) n. 1. All rights reserved. A variety of ecosystems are spread across the world, each with distinctive interacting characteristics and components. In lowland river valleys where a river can meander, the presence of peat is explained by the infilling of historical oxbow lakes. It may be said, however, that rivers and streams are relatively fast moving; marshes and swamps contain relatively large quantities of grasses, trees, or shrubs; and ponds are relatively small in comparison with lakes. Head, Physical Limnology Section, Canada Centre for Inland Water, Burlington, Ontario,... Lake Ann in North Cascades National Park, Washington, U.S., viewed from the park's Maple Loop Trail. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Man-made reserves of water are called, fittingly, reservoirs, and the water is used in the same way we use other lake water: for agricultural and household use and for recreation. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Not sure what college you want to attend yet? - Definition & Explanation, What is a Plateau? On these plains, rivers often have wide meanders. Lakes are also part of every ecosystem, from rainforests to deserts. Other intermittent lakes are only the result of above-average precipitation in a closed, or endorheic basin, usually filling dry lake beds. A pigment consisting of organic coloring matter with an inorganic, usually metallic base or carrier, used in dyes, inks, and paints. 1. oxbow lake - a crescent-shaped lake (often temporary) that is formed when a meander of a river is cut off from the main channel. A lake is a body of water surrounded on all sides by land. Switch to new thesaurus. (2008). A saline pan is a name for an ephemeral saline lake which precipitates a bottom crust that is subsequently modified during subaerial exposure. [56] However, the surface of Mars is too cold and has too little atmospheric pressure to permit permanent surface water. A lake is considered highly acidic when the pH drops below 5.5, below which when biological consequences occur. eds. Only one world other than Earth is known to harbor large lakes, Saturn's largest moon, Titan. (Entry 1 of 3) : a considerable inland body of standing water also : a pool of other liquid (such as lava, oil, or pitch) What is the lowest body of water on Earth? Schemes of Captain Bonneville The Great Salt, We lunched at the curious old town of Como, at the foot of the, The Catholic chapel might often be seen planted beside the trading house, and its spire surmounted by a cross, towering from the midst of an Indian village, on the banks of a river or a, The principal aim of his journey was to reconnoitre, In the middle of the garden they found a large, During the night of the 5th of December, the train ran south-easterly for about fifty miles; then rose an equal distance in a north-easterly direction, towards the Great Salt, We went up the coast some ten or twelve miles in the U-33, tying up to shore near the mouth of a small stream which emptied great volumes of crude oil into the sea--I find it difficult to call this great, There was the bright little water spring, from which we drank when we were weary and thirsty in sultry summer days, still bubbling its way downward to the, IN spring of youth it was my lot To haunt of the wide earth a spot The which I could not love the less -- So lovely was the loneliness Of a wild, By what mad road, through what passages of mystery and darkness known to him alone had Erik dragged that pure-souled child to the awful haunt, with the Louis-Philippe room, opening out on the, Especially do I remember the hunger we endured on the mountains between Long. "Lakes on Earth, Different Types". Please tell us where you read or heard it (including the quote, if possible). Lakes that flow into rivers or other outside sources of water are called open lakes. Caspian Sea. The second largest lake by surface area, and the, The highest large (greater than 250 square kilometres (97 sq mi)) lake in the world is the 290 square kilometres (110 sq mi), The largest lake in the world that drains naturally in two directions is, The largest lake completely within the boundaries of a single city is. Lakes also occur far beneath the ice sheets of Antarctica; however, surveys of the volume and other features of those discovered so far remain incomplete. This has artificially converted many shallow lakes into emergent marshes. 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