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46-562: The centre of Décines is located southwest of the Grand-Large reservoir. The commune is divided in two by the Canal de Jonage, a deviation of the Rhône , on which the reservoir was formed. The centre of Lyon is located 12 km (7.4 mi) west. The surrounding communes are: Décines-Charpieu left the department of Isère and joined the department of Rhône on 21 February 1968 to become a member of

92-480: A semi-final . It has hosted the 2017 Coupe de la Ligue Final , the 2018 UEFA Europa League Final , and the 2019 FIFA Women's World Cup Final and semi-finals . The stadium has also hosted several rugby union matches, including the Rugby Champions Cup , Rugby Challenge Cup finals of 2016, and the 2023 Rugby World Cup . Parc Olympique Lyonnais hosted the men and women's football tournaments at

138-463: A 149 km (93 mi) section of the Rhône was made navigable for small ships up to Seyssel . As of 2017 , the part between Lyon and Sault-Brénaz is closed for navigation. The Saône, which is also canalized, connects the Rhône ports to the cities of Villefranche-sur-Saône , Mâcon and Chalon-sur-Saône . Smaller vessels (up to CEMT class I ) can travel further northwest, north and northeast via

184-399: A fluvial hydrologist studying natural river systems may define discharge as streamflow , whereas an engineer operating a reservoir system may equate it with outflow , contrasted with inflow . A discharge is a measure of the quantity of any fluid flow over unit time. The quantity may be either volume or mass. Thus the water discharge of a tap (faucet) can be measured with a measuring jug and

230-498: A huge toothed "claw"wheel 6.5 metres (21 ft) across to grip the river bed in the shallows to supplement the paddle wheels. In the 20th century, powerful motor barges propelled by diesel engines were introduced, carrying 1,500 tonnes (3,300,000 lb). In 1933, the Compagnie Nationale du Rhône (CNR) was established to improve navigation and generate electricity, also to develop irrigated agriculture and to protect

276-403: A minute. Measurement of cross sectional area and average velocity, although simple in concept, are frequently non-trivial to determine. The units that are typically used to express discharge in streams or rivers include m /s (cubic meters per second), ft /s (cubic feet per second or cfs) and/or acre-feet per day. A commonly applied methodology for measuring, and estimating, the discharge of

322-401: A river is based on a simplified form of the continuity equation . The equation implies that for any incompressible fluid, such as liquid water, the discharge (Q) is equal to the product of the stream's cross-sectional area (A) and its mean velocity ( u ¯ {\displaystyle {\bar {u}}} ), and is written as: where For example, the average discharge of

368-597: A series of dams and diversion canals, with a navigation lock beside the hydroelectric power plant on each of these canals. The locks were up to 23 metres (75 ft) deep. After building the Génissiat dam on the Upper Rhône (with no lock) in 1948, designed to meet the electricity needs of Paris, twelve hydroelectric plants and locks were built between 1964 and 1980. With a total head of 162 m (531 ft), they produce 13 GWh of electricity annually, or 16% of

414-529: A slow recession . Because the peak flow also corresponds to the maximum water level reached during the event, it is of interest in flood studies. Analysis of the relationship between precipitation intensity and duration and the response of the stream discharge are aided by the concept of the unit hydrograph , which represents the response of stream discharge over time to the application of a hypothetical "unit" amount and duration of rainfall (e.g., half an inch over one hour). The amount of precipitation correlates to

460-400: A stopwatch. Here the discharge might be 1 litre per 15 seconds, equivalent to 67 ml/second or 4 litres/minute. This is an average measure. For measuring the discharge of a river we need a different method and the most common is the 'area-velocity' method. The area is the cross sectional area across a river and the average velocity across that section needs to be measured for a unit time, commonly

506-583: Is 251 cubic metres per second (8,900 cu ft/s). Below the dam, the Rhône receives the waters of the Arve , fed by the Mont Blanc massif, with a visibly higher sediment load and much lower temperature. After a total of 290 kilometres (180 mi) in Switzerland, the Rhône continues west, entering France and the southern Jura Mountains . It turns toward the south, past Lac de Bourget , which

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552-539: Is one Catholic private day school, École maternelle/primaire/Collège Jeanne d'Arc. There is an Islamic day school, Groupe scolaire Al Kindi  [ fr ] . The stadium of Olympique Lyonnais , Parc Olympique Lyonnais , is located in Décines-Charpieu. It is the home venue of Ligue 1 club Lyon as well as hosting several UEFA Women's Champions League matches for the club's women's team . The stadium held several matches of UEFA Euro 2016 including

598-456: Is the volumetric flow rate (volume per time, in units of m /h or ft /h) of a stream . It equals the product of average flow velocity (with dimension of length per time, in m/h or ft/h) and the cross-sectional area (in m or ft ). It includes any suspended solids (e.g. sediment), dissolved chemicals like CaCO 3 (aq), or biologic material (e.g. diatoms ) in addition to the water itself. Terms may vary between disciplines. For example,

644-416: Is the sum of processes within the hydrologic cycle that increase the water levels of bodies of water. Most precipitation occurs directly over bodies of water such as the oceans, or on land as surface runoff . A portion of runoff enters streams and rivers, and another portion soaks into the ground as groundwater seepage . The rest soaks into the ground as infiltration, some of which infiltrates deep into

690-404: Is typically expressed in units of cubic meters per second (m³/s) or cubic feet per second (cfs). The catchment of a river above a certain location is determined by the surface area of all land which drains toward the river from above that point. The river's discharge at that location depends on the rainfall on the catchment or drainage area and the inflow or outflow of groundwater to or from

736-670: The 2024 Summer Olympics . It also hosted the WWE Backlash France event on 4 May 2024. Rh%C3%B4ne The Rhône ( / r oʊ n / ROHN , French: [ʁon] ) is a major river in France and Switzerland, rising in the Alps and flowing west and south through Lake Geneva and Southeastern France before discharging into the Mediterranean Sea ( Gulf of Lion ). At Arles , near its mouth,

782-823: The Centre -Loire-Briare and Loing Canals to the Seine , via the Canal de la Marne à la Saône (recently often called the " Canal entre Champagne et Bourgogne ") to the Marne , via the Canal des Vosges (formerly called the "Canal de l'Est – Branche Sud") to the Moselle and via the Canal du Rhône au Rhin to the Rhine . The Rhône is infamous for its strong current when the river carries large quantities of water: current speeds up to 10 km/h (6.2 mph) are sometimes reached, particularly in

828-913: The Po and the Nile , one of the three Mediterranean rivers with the largest water discharge . The name Rhône continues the Latin Rhodanus name ( Greek Ῥοδανός Rhodanós ) in Greco-Roman geography . The Gaulish name of the river was * Rodonos or * Rotonos (from a PIE root * ret- "to run, roll" frequently found in river names). Names in other languages include German : Rhone [ˈroːnə] ; Walser : Rotten [ˈrotən] ; Italian : Rodano [ˈrɔːdano] ; Arpitan : Rôno [ˈʁono] ; Occitan : Ròse [ˈrɔze, ˈʀɔze] ; and Romansh : Rodan . The Greco-Roman as well as

874-484: The Rhine river in Europe is 2,200 cubic metres per second (78,000 cu ft/s) or 190,000,000 cubic metres (150,000 acre⋅ft) per day. Because of the difficulties of measurement, a stream gauge is often used at a fixed location on the stream or river. A hydrograph is a graph showing the rate of flow (discharge) versus time past a specific point in a river, channel, or conduit carrying flow. The rate of flow

920-872: The Swiss Alps , at an altitude of approximately 2,208 metres (7,244 ft). From there it flows southwest through Gletsch and the Goms, the uppermost valley region of the Valais before Brig . In the Brig area, it receives the waters of the Massa from the Aletsch Glacier , the longest glacier of the Alps, and shortly after, it receives the waters of the Vispa , the longest affluent in Valais. After that, it flows onward through

966-668: The Urban Community of Lyon per 1 January 1969. On 1 January 2015, it administratively left the department of Rhône to join the newly-formed Metropolis of Lyon . Décines-Charpieu is served by Lyon tramway Lines 3 and 7. As of 2009 there were nine public preschools ( maternelles ), nine public elementary schools (some preschools and elementary schools are grouped into combined primary schools), two public junior high schools (Collège Georges Brassens and Collège Maryse Bastie), and one public senior high school/sixth-form college (Lycée d'Enseignement Polyvalent Chaplin-Becquerel). There

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1012-714: The Alps. From Lyon, the Rhône flows south, in its large valley between the Alps and the Massif Central . At Arles , the Rhône divides into two major arms forming the Camargue delta , both branches flowing into the Mediterranean Sea, the delta being termed the Rhône Fan. The larger arm is called the "Grand Rhône", the smaller the "Petit Rhône". The average annual discharge at Beaucaire is 1,700 m /s (60,000 cu ft/s). The main tributaries of

1058-791: The Morge and Hermance, the lake is divided by the two countries along its centreline, with the left bank in France. The remainder of the lake is Swiss, including the entire right (north) bank. Here, the tributaries are the Veveyse , the Venoge , the Aubonne , the Morges , among other smaller rivers. Lake Geneva ends in the city of Geneva , where the lake level is controlled by the Le Seujet dam  [ fr ] . The average discharge from Lake Geneva

1104-654: The Rhône are, from source to mouth: The Rhône has been an important highway since the times of the Greeks and Romans . It was the main trade route from the Mediterranean to east-central Gaul . As such, it helped convey Greek cultural influences to the western Hallstatt and the later La Tène cultures. Celtic tribes living near the Rhône included the Seduni , Sequani, Segobriges , Allobroges , Segusiavi , Helvetii , Vocontii and Volcae Arecomici . Navigation

1150-624: The Rhône drains via the Canal de Savières . Continuing generally westward, the Rhône then receives the waters of the Valserine , enters the reservoir created by the Génissiat Dam , and is then joined by the Ain . Reaching Lyon , the most populous city on its course, the Rhône receives its biggest tributary, the Saône , with an average flow of 473 m /s (16,700 cu ft/s), compared to

1196-602: The Rhône's 600 m /s (21,000 cu ft/s) at this point. From this confluence, the Rhône follows a southward course. Along the Rhône Valley, it is joined on the right (western) bank by the rivers Eyrieux , Ardèche , Cèze , and Gardon coming from the Cévennes mountains ; and on the left bank by the rivers Isère , (with an average discharge of 333 m /s (11,800 cu ft/s)), Drôme , Ouvèze , and Durance (188 m /s (6,600 cu ft/s)) from

1242-492: The adjective derived from the river is rhodanien , as in le sillon rhodanien (literally "the furrow of the Rhône"), which is the name of the long, straight Saône and Rhône river valleys, a deep cleft running due south to the Mediterranean and separating the Alps from the Massif Central . Before railroads and highways were developed, the Rhône was an important inland trade and transportation route, connecting

1288-399: The area, stream modifications such as dams and irrigation diversions, as well as evaporation and evapotranspiration from the area's land and plant surfaces. In storm hydrology, an important consideration is the stream's discharge hydrograph, a record of how the discharge varies over time after a precipitation event. The stream rises to a peak flow after each precipitation event, then falls in

1334-443: The cities of Arles , Avignon , Valence , Vienne and Lyon to the Mediterranean ports of Fos-sur-Mer , Marseille and Sète . Travelling down the Rhône by barge would take three weeks. By motorized vessel, the trip now takes only three days. The Rhône is classified as a Class V waterway for the 325 km-long (202-mile) section from the mouth of the Saône at Lyon to the sea at Port-Saint-Louis-du-Rhône . Upstream from Lyon,

1380-485: The corresponding discharge from the rating curve. If a continuous level-recording device is located at a rated cross-section, the stream's discharge may be continuously determined. Larger flows (higher discharges) can transport more sediment and larger particles downstream than smaller flows due to their greater force. Larger flows can also erode stream banks and damage public infrastructure. G. H. Dury and M. J. Bradshaw are two geographers who devised models showing

1426-521: The country's total hydroelectric production (20% if the Upper Rhône schemes are added). There have been significant benefits for agriculture throughout the Rhône valley. With the Lower Rhône project completed, CNR turned its attention to the Haut-Rhône (Upper Rhône), and built four hydropower dams in the 1980s: Sault-Brénaz, Brégnier-Cordon, Belley-Brens and Chautagne. It also drew up plans for

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1472-454: The high-capacity Rhine-Rhône Waterway, along the route of the existing Canal du Rhône au Rhin , but this project was abandoned in 1997. In the period from 2005 to 2010, navigation locks of small barge dimensions (40 by 6 m) were built to bypass the last two, forming a navigable waterway network with Lake Bourget, through the Canal de Savières . Cities and towns along the Rhône include: Discharge (hydrology) In hydrology , discharge

1518-633: The historical region of Chablais . It then enters Lake Geneva near Le Bouveret , where the water flows west. On the left (south) bank of Lake Geneva, the river Morge joins at the village of Saint-Gingolph , and also marks the French-Swiss border. Westward, the Dranse (unrelated to the Drance) enters the lake with its preserved delta , and then the Hermance marks another French-Swiss border. Between

1564-493: The large glaciers of the massifs of Monte Rosa , Dom , and Grand Combin , but also from the steeper slopes of the Bernese Alps to the north, and the Mont Blanc massif to the west. As a result, the Rhône Valley experiences a drier climate than the rest of Switzerland , being sheltered by the three highest ranges of the Alps, making Valais the driest and largest wine region of the country. At Martigny, where it receives

1610-424: The level of the stream is described by a rating curve . Average velocities and the cross-sectional area of the stream are measured for a given stream level. The velocity and the area give the discharge for that level. After measurements are made for several different levels, a rating table or rating curve may be developed. Once rated, the discharge in the stream may be determined by measuring the level, and determining

1656-672: The reconstructed Gaulish name is masculine, as is French le Rhône . This form survives in the Spanish/Portuguese and Italian namesakes, el/o Ródano and il Rodano , respectively. German has adopted the French name but given it the feminine gender, die Rhone . The original German adoption of the Latin name was also masculine, der Rotten ; it survives only in the Upper Valais ( dialectal Rottu ). In French,

1702-583: The relationship between discharge and other variables in a river. The Bradshaw model described how pebble size and other variables change from source to mouth; while Dury considered the relationships between discharge and variables such as stream slope and friction. These follow from the ideas presented by Leopold, Wolman and Miller in Fluvial Processes in Geomorphology . and on land use affecting river discharge and bedload supply. Inflow

1748-772: The river divides into the Great Rhône (French: le Grand Rhône ) and the Little Rhône ( le Petit Rhône ). The resulting delta forms the Camargue region. The river's source is the Rhône Glacier , at the east edge of the Swiss canton of Valais . The glacier is part of the Saint-Gotthard Massif , which gives rise to three other major rivers: the Reuss , Rhine and Ticino . The Rhône is, with

1794-508: The riverside towns and land from flooding. Some progress was made in deepening the navigation channel and constructing scouring walls, but World War II brought such work to a halt. In 1942, following the collapse of Vichy France , Italian military forces occupied southeastern France up to the eastern banks of the Rhône, as part of the Italian Fascist regime's expansionist agenda. In 1948, the French government started construction of

1840-468: The stretch below the last lock at Vallabrègues and in the relatively narrow first diversion canal south of Lyon. The 12 locks are operated daily from 5:00 a.m. until 9:00 p.m. All operation is centrally controlled from one control centre at Châteauneuf. Commercial barges may navigate during the night hours by authorisation. The Rhône begins as the meltwater of the Rhône Glacier in Valais , in

1886-412: The upper river used barques du Rhône , sailing barges, 30 by 3.5 metres (98 by 11 ft), with a 75-tonne (165,000 lb) capacity. As many as 50 to 80 horses were employed to haul trains of five to seven craft upstream. Goods would be transshipped at Arles into 23-metre (75 ft) sailing barges called allèges d'Arles for the final run down to the Mediterranean. The first experimental steam boat

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1932-490: The valley which bears its name and runs initially in a westerly direction about thirty kilometers to Leuk , then southwest about fifty kilometers to Martigny . Down as far as Brig , the Rhône is a torrent; it then becomes a great mountain river running southwest through a glacial valley. Between Brig and Martigny , it collects waters mostly from the valleys of the Pennine Alps to the south, whose rivers originate from

1978-420: The volume of water (depending on the area of the catchment) that subsequently flows out of the river. Using the unit hydrograph method, actual historical rainfalls can be modeled mathematically to confirm characteristics of historical floods, and hypothetical "design storms" can be created for comparison to observed stream responses. The relationship between the discharge in the stream at a given cross-section and

2024-526: The waters of the Drance on its left bank, the Rhône makes a sharp turn towards the north. Heading toward Lake Geneva ( French : Le Léman ), the valley narrows near Saint-Maurice , a feature that has long given the Rhône valley strategic importance for the control of the Alpine passes. The Rhône then marks the boundary between the cantons of Valais (left bank) and Vaud (right bank), separating two parts of

2070-433: Was built at Lyon by Jouffroy d'Abbans in 1783. Regular services were not started until 1829 and they continued until 1952. Steam passenger vessels 80 to 100 metres (260–330 ft) long made up to 20 km/h (11 kn) and could do the downstream run from Lyon to Arles in a day. Cargo was hauled in bateau-anguilles , boats 157 by 6.35 metres (515.1 by 20.8 ft) with paddle wheels amidships, and bateaux crabes ,

2116-404: Was difficult, as the river suffered from fierce currents, shallows, floods in spring and early summer when the ice was melting, and droughts in late summer. Until the 19th century, passengers travelled in coches d'eau (water coaches) drawn by men or horses, or under sail. Most travelled with a painted cross covered with religious symbols as protection against the hazards of the journey. Trade on

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