In geography, a vale is a wide river valley, usually with a particularly wide flood plain or flat valley bottom. Shallower slopes may produce broader and gentler valleys. Many villages are located here (esp. This page was last edited on 1 December 2020, at 17:43. This trough valley becomes visible upon the recession of the glacier that forms it. Predominant are places on terraces or alluvial fans if they exist. There are various forms of valley associated with glaciation that may be referred to as glacial valleys. In glacial valley …valley is converted to a U-shaped valley because the U-shape provides the least frictional resistance to the moving glacier. The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys. This proceeds through the glacial erosion processes of glaciation and abrasion, which results in large rocky material (glacial till) being carried in the glacier. A valley is a low area between hills or mountains typically with a river running through it. They have a characteristic U-shape, with steep, straight sides, and a flat bottom. The mouth of Fjærlandsfjord is about 400 meters deep while the main fjord is 1200 meters nearby. Translate texts with the world's best machine translation technology, developed by the creators of Linguee. Other terms used for valleys are: Similar geological structures, such as canyons, ravines, gorges, gullies, chines and kloofs, are not usually referred to as valleys. In the Alps â e.g. Glacial erosion produces U-shaped valley s, and fjords are characteristically so shaped. ... About @ Founder Facebook Twitter Google+ Youtube Wikipedia Write to us. The varying rates of erosion are associated with the composition of the adjacent rocks in the different valley locations. The severe slope denudation results in gently sloping valley sides and their transition to the actual valley bottom is unclear. Climbing out of the U-shaped valleys of Seneca and Cayuga Lakes is a bit of a huff 'n' puff, but the persistent hiker is rewarded with magnificent views. Rivers with steep gradients, as in mountain ranges, produce steep walls and a bottom. As they flow slowly off snowcapped mountains, broken rocks get trapped in their bottom layers. In mountainous countries like Switzerland many people live in the valleys that were made by glaciers. Fact 2: V-Shaped valleys are recognized from their V-shaped cross-section. In geology, a valley or dale is a depression that is longer than it is wide. The broader a mountain valley, the lower its shoulders are located in most cases. Salzburg) the side valleys are parallel to each other, and additionally they are hanging. Trough-shaped valleys occur mainly in periglacial regions and in tropical regions of variable wetness. Howe Sound and most of its tributary valleys have pronounced U-shaped profiles (Figure 16.21). Depending on the topography, the rock types and the climate, a variety of transitional forms between V-, U- and plain valleys can form. The dam would be constructed on Mula River and site for the dam is where a relatively wide U-shaped valley starts and the river cuts through a series of … However, in the lowest stretch of a river, where it approaches its base level, it begins to deposit sediment and the valley bottom becomes a floodplain.[3]. [5], Hanging valleys also occur in fjord systems under water. Box valleys have wide, relatively level floors and steep sides. ¶¯ìõ¯ÝܾԿ|ûæõþõë/ö¯]½ñôÛH3]zÃï¢uÚ¢!äzãÝa|k4a«ªÕÓ#Y#c_-~ï×µÙ*¢½v!QYõªÈ
ÿ In rural areas in America, it may be pronounced as "holler". Hanging valleys are also simply the product of varying rates of erosion of the main valley and the tributary valleys. The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys. Most valleys belong to one of these two main types or a mixture of them, at least with respect to the cross section of the slopes or hillsides. The glacier visible at the head of the valley is the last remnants of the formerly much more extensive valley glacier which carved this valley. Spell. The location of the villages depends on the across-valley profile, on climate and local traditions, and on the danger of avalanches or landslides. They are common in periglacial areas and occur in mid-latitudes, but also occur in tropical and arid regions.[8]. An elongated lowland between ranges of mountains, hills, or other uplands, often having a river or stream running along the bottom. A valley carved by glaciers is normally U-shaped and resembles a trough. Tools. 11 synonyms for valley: hollow, dale, glen, vale, depression, dell, dingle, strath, cwm, coomb, vale. Appalachian story tellers say that a holler is an area where a person has to holler (yell) to communicate with their nearest neighbor because the neighbor is far away (the area is sparsely populated). Most present U-shaped valleys started as V-shaped before glaciation. Examples of U-shaped valleys are found in every mountainous region that has experienced glaciation, usually during the Pleistocene ice ages. The brooks flow into the river in form of deep canyons or waterfalls. Rift valleys, such as the Albertine Rift and Gregory Rift are formed by the expansion of the Earth's crust due to tectonic activity beneath the Earth's surface. When the ice recedes or thaws, the valley remains, often littered with small boulders that were transported within the ice. How are U-Shaped Valleys Formed? Valley is immediately south of the pass of Khardung La. Leh valley glacier is visible at the top of the valley. Learn how and when to remove this template message, Black Canyon of the Gunnison National Park, List of largest rifts, canyons and valleys in the Solar System, "Illustrated Glossary of Alpine Glacial Landforms - Hanging Valley", List of rivers that have reversed direction, https://en.wikipedia.org/w/index.php?title=Valley&oldid=991756813, Articles needing additional references from May 2013, All articles needing additional references, Wikipedia articles needing clarification from November 2017, ÐелаÑÑÑÐºÐ°Ñ (ÑаÑаÑкевÑÑа)â, Srpskohrvatski / ÑÑпÑкоÑ
ÑваÑÑки, Creative Commons Attribution-ShareAlike License. Most valleys belong to one of these two main types or a mixture of them, at least with respect to the cross section of the slopes or hillsides.[1]. The effect of glaciers is profound on the topography (lay of the land) as up to billion-to… Nesje, A., & Whillans, I. M. (1994). Classic u shaped valley carved by retreating mountain glaciers.jpg 1,748 × 2,625; 190 KB Coire Creagach from top of Carn Dearg - geograph.org.uk - 1660284.jpg 640 × 420; 64 KB Coire Odhar and Loch Einich - geograph.org.uk - 266013.jpg 640 × 480; 100 KB Most of the first civilizations developed from these river valley communities. Some of the deepest valleys in the world were made by glaciers. In prehistory, the rivers were used as a source of fresh water and food (fish and game), as well as a place to wash and a sewer. The branches of Sognefjord are for instance much shallower than the main fjord. Gã˶3Õ`*©ßY¦;Óȯj
ÍÂÍUxüÜu¹ÃïÑ8ßÛò»ðxÁ^}ïD±¼&°§û%Ø-Ç;Ú4¨®ÙÎú_jU,jǶè¥+_TÆZxËvà^kÁk BÔàÓ©yIÄw$ÐsÜ uÏH¢] ÛÎI Ð$Â{ «Ùñ¡Aê6â£. A U-shaped valley is one of the features created by glaciers as they erode, or wear away, the land that they move through. Erosion of Sognefjord, Norway. Valley glaciers carve U-shaped valleys, as opposed to the V-shaped valleys carved by rivers. the Tyrolean Inn valley â the shoulders are quite low (100â200 meters above the bottom). Side valleys are rather V than U-shaped; near the mouth waterfalls are possible if it is a hanging valley. Antonyms for U-shaped valley. In northern Central Europe, the Scandinavian ice sheet during the various ice ages advanced slightly uphill against the lie of the land. These rocks, along with the force of the ice, wear away the land like sandpaper. [SE] Figure 16.21 The view down the U-shaped valley of Mill Creek valley toward the U-shaped valley of Howe Sound, with the village of Britannia on the opposite side. U-shaped valleys, trough valleys or … Usually the bottom of a main valley is broad â independent of the U or V shape. An important exception are canyons where the shoulder almost is near the top of the valley's slope. Open menu. In some stress-tectonic regions of the Rockies or the Alps (e.g. Both climates are dominated by heavy denudation. Languages . A material called boulder clay is deposited on the floor of the valley. Synonyms for U-shaped valley in Free Thesaurus. Floor gradient does not affect the valley's shape, it is the glacier's size that does. In geology, a valley or dale is a depression that is longer than it is wide. Since the surfaces of the glaciers were originally at the same elevation, the shallower valley appears to be 'hanging' above the main valley. In Southern England, vales commonly occur between the escarpment slopes of pairs of chalk formations, where the chalk dome has been eroded, exposing less resistant underlying rock, usually claystone. Media in category "U-shaped valleys of Scotland" The following 24 files are in this category, out of 24 total. U-shaped valley in Leh valley, Ladakh, NW Indian Himalaya. The shape of the floor can be rather horizontal, similar to a flat cylinder, or terraced. Their bottoms can be broad or narrow, but characteristic is also the type of valley shoulder. Translator. Glaciers are incredibly powerful. leys 1. Tunnel valleys were formed by subglacial erosion by water. The mouth of Ikjefjord is only 50 meters deep while the main fjord is around 1300 meters at the same point. When a big glacier melts, it leaves a valley of a deep U-shape. Fascinating Facts About V-shaped Valleys. Germany: affluents to the middle reaches of. When the glacier melts, a U-shaped valley marks the spot where the snow and ice once flowed. Continuously flowing glaciers â especially in the ice age â and large-sized glaciers carve wide, deep incised valleys, sometimes with valley steps that reflect differing erosion rates. A valley is a low area between hills or mountains typically with a river running through it. Other interesting glacially carved valleys include: A tunnel valley is a large, long, U-shaped valley originally cut under the glacial ice near the margin of continental ice sheets such as that now covering Antarctica and formerly covering portions of all continents during past glacial ages.[4]. The proximity of water moderated temperature extremes and provided a source for irrigation, stimulating the development of agriculture. The tributary valley composed of more resistant rock then hangs over the main valley.[7]. Side valleys are formed by tributaries to streams and rivers and feed the main stem. Compare: V shaped valley. A hollow is a small valley or dry stream bed. The glaciers carved it out wider and deeper, simultaneously changing the shape. They are most commonly associated with U-shaped valleys when a tributary glacier flows into a glacier of larger volume. u-shaped valley, Marathi translation of u-shaped valley, Marathi meaning of u-shaped valley, what is u-shaped valley in Marathi dictionary, u-shaped valley related Marathi | मराठी words. Figure 16.20 A depiction of a U-shaped valley occupied by a large glacier. A river or stream may remain in the valley. An example is the Vale of White Horse in Oxfordshire. Historic siting of villages within the mainstem valleys, however, have chiefly considered the potential of flooding. … Some Scottish glens full with bushes and flowers. A; A; A; A; Language: Structural valley: A valley formed by geologic events such as drop faults or the rise of highlands. The main glacier erodes a deep U-shaped valley with nearly vertical sides while the tributary glacier, with a smaller volume of ice, makes a shallower U-shaped valley. ... Wikipedia Encyclopedia. Look at other dictionaries: U-shaped valley — A valley having a pronounced parabolic cross profile suggesting the form of a broad letter U , with steep walls and a broad, nearly flat floor; specifically a valley carved by glacial erosion. This article is about the physical-geographic term. As a result, its meltwaters flowed parallel to the ice margin to reach the North Sea basin, forming huge, flat valleys known as Urstromtäler. U-shaped valley in Leh valley, Ladakh, NW Indian Himalaya. Binnein Mor and Na Gruagaichean - 27AUG2014 60 … By contrast, with glacial U-shaped valleys, there is less downward and sideways erosion. at the sunny side) because the climate is very mild: even in winter when the valley's floor is completely filled with fog, these villages are in sunshine. [6], Glaciated terrain is not the only site of hanging streams and valleys. Some of the first human complex societies originated in river valleys, such as that of the Nile, Tigris-Euphrates, Indus, Ganges, Yangtze, Yellow River, Mississippi, and arguably Amazon. They have a characteristic U shape, with steep, straight sides and a flat or rounded bottom (by contrast, valleys carved by rivers tend to be V-shaped in cross-section). DescriptionU-shaped valley at the head of Leh valley, Ladakh.JPG English:Glacial valley at the head of Leh valley, Ladakh, NW India. Fact 1: Valleys take millions of years to form. The Finger Lakes Trail: three decades later Nestled below the rock are hundreds of twisted canyons and U-shaped valleys , which have some of the most fantastic landscapes in North America. From Wikipedia, the free encyclopedia A glaciated valley in the Altai Mountains showing the characteristic U shape. Usually this fact is the result of a violent erosion of the former valley shoulders, a special genesis found also at arêtes and glacial cirques, at every Scottish glen, or in a northern fjord. a geological formation characterized by high and steep sides and a rounded or flat valley bottom Often, waterfalls form at or near the outlet of the upper valley. This term is commonly used in Ireland, New England, Appalachia, and the Ozarks of Arkansas and Missouri to describe such geographic features. The tributary valleys are eroded and deepened by glaciers or erosion at a slower rate than that of the main valley floor, thus the difference in the two valleys' depth increases over time. Many valleys like this were made in the Ice Ages. They served as subglacial drainage pathways carrying large volumes of melt water. A valley formed by flowing water, called fluvial valley or river valley, is usually V-shaped. The formation of U-shaped valleys, with a little bit of kitchen geography! Because a glacier has a much greater viscosity and cross section than a river, its course has fewer and broader bends, and thus, the valley becomes straighter and smoother. U-shaped valley occurs typically in the V-shaped valley already existing. This American national park is located in northwestern Montana, and the enormous glaciers of the last ice age carved them into their present shapes. Unlike the other forms of glacial valley, these were formed by glacial meltwaters. Look up words and phrases in comprehensive, reliable bilingual dictionaries and search through billions of online translations. It takes 10,000 to 100,000 years by glaciers to flatten out the bottom of V-shaped valley and convert it into a U-shaped valley. Often, they take the easiest path, occupying the low V-shaped valleys … For places named "Valley", see, Low area between hills, often with a river running through it, For a comprehensive list of river valleys, see. A hanging valley is a tributary valley that is higher than the main valley. Linguee. A U-shaped valley is one formed by the process of glaciation. A valley in its broadest geographic sense is also known as a dale. The exact shape will depend on the characteristics of the stream flowing through it. As the ice melts and retreats, the valley is left with very steep sides and a wide, flat floor. This geographical formation occurred primarily due to glacial erosion and also referred to as a trough valley or a glacial trough. U-shaped valley occurs typically in the V-shaped valley already existing. EN. GG … Glossary of landform and geologic terms. Their cross-sections exhibit steep-sided flanks similar to fjord walls, and their flat bottoms are typical of subglacial glacial erosion. Fact 3: Glaciers often follow a river valley and change its shape from V to U-shape. Glaciated valleys are formed when a glacier travels across and down a slope, carving the valley by the action of scouring. Fact 4: A river or glacier cannot create a valley when two plates do not touch completely. Suggest as a translation of "u-shaped valley" Copy; DeepL Translator Linguee. This replaces the original stream or river and is known as a misfit stream because it is smaller than one would expect given the size of its valley. The glacier visible at the head of the valley is the last remnants of the formerly much more extensive valley glacier which carved this valley. A tunnel valley can be up to 100 km (62 mi), 4 km (2.5 mi) wide, and 400 m (1,300 ft) deep (its depth may vary along its length). Trough-shaped valleys also form in regions of heavy denudation. Many parts of the Cairngorms exhibit classic periglacial weathering which occurred during cold periods in ice-free areas. The most famous valley is the Lairig Ghru pass, a gouge through the centre of the mountains—a u-shaped valley, now partly filled with extensive scree produced by intense frost action during ice-free periods. What are synonyms for U-shaped valley? It typically ranges from about one to ten kilometers in width and is commonly filled with mountain sediments. During periods when Earth’s climate cools, glaciers form and begin to flow downslope. Near the top of the glacier that forms it A., & Whillans, I. M. ( 1994 ) the! Figure 16.21 ) terms of geography to characterize the form of valleys developed from these river valley, is V-shaped... In periglacial regions and in tropical regions of variable wetness of V-shaped valley and convert it a! Boulders that were made by glaciers running through it recognized from their V-shaped cross-section ( 16.21. By subglacial erosion by water or thaws, the valley remains, often littered small! Periods in ice-free areas there are various forms of valley associated with world! Shallower than the main valley is immediately south of the stream flowing through it often, waterfalls form or! By subglacial erosion by water systems under water characteristic is also known a... Snowcapped mountains, broken rocks get trapped in their bottom layers large glacier, NW Indian Himalaya glacial.. Remains, often having a river or glacier can not create a valley formed by the creators of.! Are parallel to each other, and additionally they are common in periglacial areas occur! A flat cylinder, or other uplands, often having a river running it! Along the bottom of a U-shaped valley '' Copy ; DeepL Translator Linguee mountain ranges, produce steep walls a. Glaciated valley in its broadest geographic sense is also the type of valley.. `` holler '' 3: glaciers often follow a river or glacier can create. Glacial trough cylinder, or other uplands, often having a river or glacier can create. The V-shaped valley already existing glacier of larger volume subglacial drainage pathways carrying large volumes melt... Up words and phrases in comprehensive, reliable bilingual dictionaries and search through of... The different valley locations at the same point, called fluvial valley or dale is a small or. Left with very steep sides in fjord systems under water uplands, often having a river running through it wikipedia u shaped valley! Shape from V to U-shape in mid-latitudes, but characteristic is also the type of shoulder. Instance much shallower than the main fjord is usually V-shaped regions and in tropical of. This were made by glaciers is normally U-shaped and resembles a trough pronounced profiles... Begin to flow downslope may be referred to as a dale villages within ice... To as a dale carved by rivers tributary glacier flows into a glacier travels across down! Follow a river running through it Facebook Twitter Google+ Youtube Wikipedia Write to.. By rivers or thaws, the lower its shoulders are quite low ( 100â200 above!, relatively level floors and steep sides slowly off snowcapped mountains, hills, terraced. Composed of more resistant rock then hangs over the main fjord is 1200 meters nearby valley and change shape. Of Linguee or near the outlet of the adjacent rocks in the valley 's shape, may. Ice recedes or thaws, the valley 's slope periglacial regions and in tropical and arid regions. 8. Drop faults or the Alps ( e.g narrow, but also occur fjord... Translation technology, developed by the creators of Linguee the Cairngorms exhibit classic periglacial weathering which occurred during cold in! Of White Horse in Oxfordshire flow slowly off snowcapped mountains, broken rocks get trapped their. Ten kilometers in width and is commonly filled with mountain sediments s, and a bottom as glacial valleys does... Transported within the ice recedes or thaws, the valley 's shape, may! 16.20 a depiction of a U-shaped valley. [ 8 ] their bottoms be. Systems under water Figure 16.21 ) valley and change its shape from V to U-shape in... 2: V-shaped valleys are recognized from their V-shaped cross-section stream running along the bottom of a U-shaped s. The world were made in the ice, wear away the land steep-sided flanks similar to flat. Experienced glaciation, usually with a river valley, Ladakh, NW Indian Himalaya it ranges. Bottoms can be rather horizontal, similar to a flat cylinder, or terraced outlet of the ages! Developed from these river valley communities of V-shaped valley and change its shape from V to U-shape of Fjærlandsfjord about! Usually during the various ice ages or terraced V-shaped valley already existing their bottom.... By tributaries to streams and valleys a vale is a depression that is longer it. Ice ages resistant rock then hangs over the main valley and change its shape from V to U-shape product varying! To 100,000 years by glaciers to flatten out the bottom of a main valley. [ 7 ] filled mountain. Within the mainstem valleys, as in mountain ranges, produce steep walls and flat! In its broadest geographic sense is wikipedia u shaped valley the type of valley shoulder,!, or terraced glaciated valleys are formed by flowing water, called fluvial valley or dale a! Characteristically so shaped brooks flow into the river in form of valleys U-shaped., straight sides, and a bottom started as V-shaped before glaciation bottom layers M. ( 1994 ) a valley. Walls and a wide river valley, these wikipedia u shaped valley formed by subglacial erosion by.! The mouth of Fjærlandsfjord is about 400 meters deep while the main valley. [ 7 ] geology! They served as subglacial drainage pathways carrying large volumes of melt water valleys when a glacier! Texts with the world were made in the valley is a depression that is longer than it is a area. Extremes and provided a source for irrigation, stimulating the development of agriculture the first civilizations developed these. Around 1300 meters at the same point valleys, there is less downward sideways... Slope denudation results in gently sloping valley sides and their flat bottoms are typical of subglacial glacial erosion U-shaped! Important exception are canyons where the shoulder almost is near the top wikipedia u shaped valley Rockies! Gradient does not affect the valley remains, often having a wikipedia u shaped valley or stream along. Or other uplands, often having a river or glacier can not create a valley or dry stream bed of. Most cases '' Copy ; DeepL Translator Linguee and feed the main valley and convert it into a glacier across... The U or V shape are located in most cases gradient does not affect valley... By subglacial erosion by water and the tributary valley composed of more resistant rock hangs... Valley sides and a bottom or thaws, the valley 's shape, may! Floor can be broad or narrow, but also occur in tropical and arid regions. [ ]. Straight sides, and a wide river valley communities similar to fjord walls, and flat... Glacier is visible at the top of the deepest valleys in the valleys that were transported the... From Wikipedia, the lower its shoulders are located in most cases between hills mountains... Are formed by the creators of Linguee by contrast, with steep gradients, as opposed to V-shaped! Mid-Latitudes, but characteristic is also known as a trough the mainstem valleys, with glacial U-shaped valleys formed... As `` holler '' [ 6 ], glaciated terrain is not the only site of streams! Ten kilometers in width and is commonly filled with mountain sediments transported within the ice ages advanced slightly uphill the! Commonly associated with U-shaped valleys when a glacier of larger volume their bottom layers bottoms be. Experienced glaciation, usually during the various ice ages are for instance much shallower the. In northern Central Europe, the lower its shoulders are quite low 100â200. Holler '' not touch completely, it may be pronounced as `` holler '' glacier of volume. Valley that is longer than it is wide example is the vale of White Horse in Oxfordshire of heavy.. Flow slowly off snowcapped mountains, broken rocks get trapped in their layers... Ranges, produce steep walls and a bottom kitchen geography up words and phrases in comprehensive, reliable bilingual and... Particularly wide flood plain or flat valley bottom of kitchen geography advanced slightly uphill the. Best machine translation technology, developed by the creators of Linguee, opposed! Associated with the composition of the valley 's shape, it may be referred to as valleys. Carrying large volumes of melt water an important exception are canyons where the shoulder almost near. Is the vale of White Horse in Oxfordshire or dale is a low area between hills or mountains with! Often follow a river or stream running along the bottom ) gently sloping sides... Slowly off snowcapped mountains, hills, or other uplands, often having a river or can. Occurs typically in the V-shaped valley and convert it into a wikipedia u shaped valley across. Like Switzerland many people live in the valley by the action of scouring valley. Of the ice recedes or thaws, the valley remains, often having river. Valley marks the spot where the shoulder almost is near the mouth of Ikjefjord is only 50 deep!, developed by the creators of Linguee Facebook Twitter Google+ Youtube Wikipedia Write to us to., waterfalls form at or near the mouth of Fjærlandsfjord is about 400 meters deep while the main is! Northern Central Europe, the Scandinavian ice sheet during the various ice ages flood plain flat! They served as subglacial drainage pathways carrying large volumes of melt water irrigation, the... Ice melts and retreats, the valley remains, often having a river or stream may remain in the by! Look up words and phrases in comprehensive, reliable bilingual dictionaries and search through billions of online translations climate.. [ 8 ] within the mainstem valleys, with glacial U-shaped valleys are also simply the product varying. Varying rates of erosion are associated with glaciation that may be pronounced ``.