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Corrientes Province is characterized by the plain's prevalence, having as a distinctive feature a depressed sub-region full of tidelands, in the center and north of the Province.
This area is flat, lightly undulating with altitudes that vary between 15 to 20 meters over the sea level. The eolic erosion was very intense, and it caused the depressions.
The scarce slope and the thick vegetation hinders the drainage and it blocks the return of the overflowed waters of the tidelands towards the lagoons where there are a lot of rains. |
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| Lagoons |
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| Or not very deep water deposits, that can dry off totally or partially. |
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| Tidelands |
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| They are considered as the lagoon's prolongation, and they are characterized because they have a thick vegetation that covers them completely. The most important tidelands are: Iberá, Batel, Batelito, Santa Lucía, San Lorenzo, and Riachuelo. They take its waters to the Paraná River through the rivers of the same names |
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| Bañados |
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| The "bañados" are very wet lands, easily flooded. The center and south areas of Corrientes Province are practically horizontal. Mercedes' Plateau, located to the south is a succession of small hills, which are a continuation of the Entre Ríos Province ones. |
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| The rivers |
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| Paraná river |
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| It is after the Amazonas River, the most important water via of South America. It has an extension of 1800Km in Argentinean territory. It is navigable along 2100Km from de la Plata River to Adela Port in Paraguay, next to the Guayrá Falls. The river consists of 3 tracts: the High Paraná, between its nascent and its fork with Paraguay River, the Middle Paraná until Diamante (Entre Ríos Province) and Lower Paraná until the fork with Uruguay River. |
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| High Paraná River |
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| It has its nascent in Brazil and it is formed by 2 rivers, the Paranahiba, that picks up the waters of the Pirineos, Tapioconga and da Matta hills, and the Grande River that has its nascent in Mantiqueira and Espinazo Hills. The High Paraná formed by the fork with the contribution of many tributaries. It is a mountain and plateau river, it has ravines in its banks that are distanced from 2 to 4 Km one from the other, its channel is rocky, serpentine, it presents numerous falls and whirls. It forms the limit between Paraguay and Brazil and from the Iguazú River fork, it is the limit between Argentina and Paraguay till the fork with Paraguay River. The tract Iguazú - Posadas doesn't offer sailing difficulties, its bed is narrow with high margins and it has up to 50 meters depth. After Posadas, the river changes direction, forming the frontier between Corrientes Province and Paraguay, the ravines, the slopes and the difference of its channel disappears, its width increases to 3Km to the height of Corrientes city, and there are a lot of islands. As a consequence of the abundant rains, it takes a big quantity of water. Its growing begins in October and it finishes in February. In March, the waters descend until August or September. As it is a navigable river, it is used intensely to transport people and loads along Iguazú River. In the passes between Corrientes and Ituzaingo, its minimum depth, 2,70 meters, is kept by dredged. The Argentinean ports built along the High Paraná are: Iguazú, Esperanza, El Dorado, Piray, Rico and Posadas (in Misiones Province) and Ituzaingo, Itá Ibaté, Itatí and Corrientes (in Corrientes Province). |
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| Middle and Inferior Paraná River |
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It starts in the fork Paraguay - Alto Paraná in front of Paso de la Patria (Corrientes) and the del Cerrito Island (Chaco) where the river changes its direction to the south, forming a right angle. It defines Corrientes and Entre Ríos, placed to the east from Chaco, Santa Fe and Buenos Aires, placed to the west of the river. It has dirty waters, its channel is slimy, less quick and less impetuous, but it becomes more imposing. It is a plain river, its width diminishes from 4,2 Kilometers in front of Corrientes, to 2,6 Kilometers in front of Bella Vista and 2,3 Kilometers in front of Santa Fe. Only one of the banks has got ravines, till Paraná city proximities the ravines are on Entre Ríos side, from there onwards Santa Fe coast rises until its outlet. The low coasts are easily flooded during its growing. The river can be navigated from its outlet till Corrientes. The most important ports are:
- In Entre Ríos: Paraná, Diamante and Ibicuy.
- In Santa Fe: Santa Fe, Rosario, San Lorenzo and Villa Constitución.
- In Buenos Aires: San Nicolás de los Arroyos, Ramallo, Obligado, San Pedro, Baradero, Zarate and Campana.
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| Uruguay River |
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It has its nascent in Brazil in Geraes and Do Mar Hills to 2000 meters height and to 50Km from the Atlantic coast. It is formed by 2 rivers: Pelotas and das Canoas. In Brazilian territory the river describes a wide curve with concavity toward the south. It flows between high banks and the jungle accompanies its flow. Its soil is rocky, its waters are transparent, and it has some falls. To the south of Paraná Guazú are the Moconá Falls with a 6 meters difference. It constitutes a fluvial system very ramified due to the abundant precipitations, with short rivers and streams and in many cases it has accented slopes. It is divided in 3 tracts: Superior Uruguay, till Iyuhy-Assú (Brazil), Middle Uruguay till Damian Stream (Uruguay) and Inferior Uruguay till Negro River (Uruguay). Its inferior flow is wider and deeper, it is almost rectilinear and it is full of islands and sand banks. Its regime is fluvial periodic, it increases from June to October and it descends from January to March. It is navigable until Concordia City (Entre Rios) and Salto (Uruguay) to 300Km from its outlet. Its basin has 2200Km2. It is used for sailing, fishing, recreation, and irrigation in dry seasons. The main tributaries of the Argentinean right riverbank are:
- In Misiones: Pepirí Guazú. Yabotí Miní, Yabotí Guarú, Soberbio or Guaramboca, Alegre, Acaragua and Chimiray (that forms the limit between Misiones and Corrientes)
- In Corrientes: Aguapié, Miriñay and Mocoretá (that forms the limit between Corrientes and Entre Rios)
- In Entre Ríos: Gualegauicito, Grande or del Federal and Gualeguaychú.
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Viajoporargentina - Información turística sobre la República Argentina
© 2003- Prohibida su reproducción total o parcial. Derechos de Autor 527292 Ley 11723 |
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