88:, which were designed to protect the people living next to the Isère, the town of Grenoble is still threatened by floods. Although for more than a century big floods haven't occurred, that doesn't exclude the threat. Eleven ruptures were noticed after the flood of 1859. These ruptures occurred at weak spots including boucle du bois Francais, boucle de la Taillat (although the dam here is being reinforced), boucle de
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There was at that time a wall around
Grenoble, dating from Roman times. Parts of these remains are still visible. The objective was to prevent flood water from entering into the city. The cost of the 1859 flood damage to these walls added up to over 400 000 French Francs, valued in the local currency
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in the
Grenoble catchment area are very weak, in bad condition and not large enough to contain flooding. It was only in 2011 that the government took action, and decided to invest in 112 projects, called SYMBHI that will take seven years and will help reinforce the dam system. These were financed on
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There is currently a probability of one in ten that the flow of the Isere could attain 900 square metres per second (m/s), which would cause very little overflow. There is a probability of one in a hundred that this could rise to 1200 m/s, which is regarded as a dangerous scenario. There is a
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river development. These developments have limited the subsequent extent of flooding. A government entity has been created, called "le
Syndicat Mixte des Bassins Hydrauliques", which now manages the landscapes and provides prevention against the potential risks of modern flooding.
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valley. In
October 1859, it rained continuously for five days. A warm wind melted the snow, and the temperature suddenly increased from 12 to 19 degrees on 2 November. The simultaneity of those two events resulted in an exceptional flood. In a single night, the water in
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mark, rising so quickly that people who went out with dry feet couldn't go home half an hour later. The whole inner city was flooded. In the streets, the water rose from 1m 32 cm to 1m 50 cm, making normal movement impossible and forcing people to move in
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the basis that it is cheaper to prevent that to repair. This project is 42% financed by the
General Council of Isere, 30% by the government, the ‘'intercomunalite ‘’ finances 20% and the "Eau Rhône-Méditerranée et Corse" 8%. Projects will start in
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can predict a flood in the Isère 6 to 10 hours before it occurs. An estimated 300,000 Grenoble citizens are directly exposed to floods. Finally, even though the flood of Isere in 1859 caused much damage, only 6 people died.
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From an economic point of view, stocks of goods were destroyed. Stocks that had been set up by traders in order to prepare for big markets in
November, like the market of Saint Andre, and military stocks, were washed away.
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such as the Saint-Laurent bridge. Six people died during this flood, and the hospital had to retain its dead until 17 November, because they couldn't bury them in
362:"1968 : la coupure de la boucle de Bois Français - AD Isère Drac Romanche - Toute l'actualité des digues et du système de protection contre les inondations"
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92:, courbe du campus. In 2001, the Isère attained a volume of 1000 m³/s, which caused local flooding almost everywhere there were modern weak spots. Some
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Next to the Saint-Laurent Bridge in the Place de la
Cymaise, there is a fountain which represents the struggle against the waters. It was built by
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105:, the losses could be evaluated at 400 or 500 million euros if the a disaster similar to that of 1859 were to happen again. Modern
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283:"La plaine de Grenoble face aux inondations – Cemagref - Institut de recherche en sciences et technologies pour l'environnement"
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429:"The two memorable floods on the Isère in Grenoble (1651 and 1859) : An analysis of estimates by M. Pardé"
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56:. Casualty figures stayed low because the river rose relatively gently in the actual city of Grenoble.
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306:"Towards an Operational Flood Forecasting System Taking into Account Hydro-Power Plants Operations"
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Claude, Aurélien; Zin, Isabella; Obled, Charles; Gautheron, Alain; Perret, Christian (2010).
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in 1840. The sculpture consists of a lion and a snake. Next to the fountain is written an
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which means "the snake and the dragon will destroy
Grenoble". The serpent symbolizes the
542:"Isère River (river, Europe) :: Physical features - Britannica Online Encyclopedia"
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Muller, C. and Louis, E., 1976. L'Isère d'Autrefois. Grenoble: Editions des 4 seigneurs.
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173:"Dossier thématique : l'inondation de grenoble lors de la crue du 2 Novembre 1859"
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one in two hundred probability of flow rates of 1600 m/s,as in the flood of 1859.
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48:. The violence of the water current aggravated the destruction, especially city
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530:
Guibal, Jean,1997. Grenoble traces d'histoires. Grenoble: Edition Le
Dauphiné
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521:, D.V, 1986. Nouvelles et Legendes Dauphinoises. Grenoble: J.P. Debbane.
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On 2 November, water levels in the city reached 5.35m above the average
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406:"IRMa : Institut des Risques Majeurs de Grenoble (Rhône Alpes)"
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Since then, public works have been done on the rivers,
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Donnet, G.,1982. Le
Dauphiné. Les Editions du Bastion.
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and will end in Grenoble centre. In case of a major
145:"La serpen et lo dragon mettront Grenoblo en savon"
494:"Informations sur les risques - Ville de Grenoble"
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131:Le Serpent et le Dragon Fountain, Grenoble
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259:(in French). Symbhi.fr. Archived from
229:(in French). Symbhi.fr. Archived from
114:The Flow of the Isère during the flood
469:(in French). Ode38.fr. Archived from
285:(in French). Cemagref.fr. 28 May 2010
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197:. Rdbrmc-travaux.com. Archived from
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123:Le Serpent et le Dragon Fountain
151:and the Dragon symbolizes the
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590:19th-century floods in Europe
227:"La crue du 2 Novembre 1859"
84:Despite the construction of
22:did extensive damage in the
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433:Revue de géographie alpine
311:. BALWHOIS. Archived from
64:at the time of the event.
18:Historically, centenarian
427:Dumas, Dominique (2004).
496:(in French). Grenoble.fr
467:"Le risque d'inondation"
364:. Isere-drac-romanche.fr
580:1859 natural disasters
339:Cite journal requires
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445:10.3406/rga.2004.2307
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137:Pierre-Victor Sappey
595:October 1859 events
570:History of Grenoble
408:. Irma-grenoble.com
384:"Isere (evenement)"
175:. Irma-grenoble.com
54:Saint Roch Cemetery
35:Grenoble Flood 1859
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564:Categories
159:References
107:technology
195:"Galerie"
143:proverb:
76:dams and
74:hydraulic
41:low water
257:"SYMBHI"
29:Grenoble
492:EOLAS.
465:EOLAS.
255:EOLAS.
225:EOLAS.
141:Arpitan
551:1 June
103:crisis
90:Gières
20:floods
316:(PDF)
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149:Isère
46:rafts
24:Isere
553:2015
502:2011
479:2011
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345:help
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