Lagoa dos Patos
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| Lagoa dos Patos | |
|---|---|
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| Lua error in package.lua at line 80: module 'Module:InfoboxImage/data' not found. Lagoa dos Patos from the Terra MISR satellite sensor | |
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| Location | Brazil |
| Coordinates | Lua error: callParserFunction: function "#coordinates" was not found. |
| Type | lagoon |
| Jacuí-Guaíba and Camaquã River | |
| São Gonçalo Channel | |
| Template:Cvt[1] | |
| Max. length | 290 kilometres (180 mi) |
| Max. width | 71 kilometres (44 mi) |
Surface area | 10,100 km2 (3,900 mi2)[2] to Template:Cvt[1] |
Average depth | Template:Cvt[3] |
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Lagoa dos Patos (Script error: No such module "IPA".; English: Ducks' Lagoon) is a coastal lagoon located in the state of Rio Grande do Sul, southern Brazil. It covers an area of 10,100 km2 (3,900 mi2),[2] is 290 kilometres (180 mi) long and has a maximum width of 71 kilometres (44 mi).[4] It is the largest choked coastal lagoon in the world,[5] the largest coastal lagoon in South America, and the largest lagoon in Brazil.[2]
Lagoa dos Patos is separated from the Atlantic Ocean by a sandbar about 8.0 kilometres (5 mi) wide. The Jacuí-Guaíba and Camaquã Rivers empty into it, while the navigable São Gonçalo Channel, which enters Lagoa dos Patos near the town of Pelotas, connects Lagoa dos Patos to Lagoa Mirim to the south.[2] The Rio Grande, at the south end of Lagoa dos Patos, forms the outlet to the Atlantic.[2]
This lagoon is evidently the remains of an ancient depression in the coastline shut in by sand bars built up by the combined action of wind and current. The shallow lagoon is located at sea level and its waters are affected by the tides, normally they are brackish only a short distance above the Rio Grande outlet,[2] but this can vary a lot. In droughts and favorable winds, sea water can be carried up to almost the entire lagoon.[6]
The lagoon's largest and most fertile island is the Ilha dos Marinheiros, which is located near the eastern shore. The island is geopolitically part of the municipality of Rio Grande.[citation needed]
The lagoon hosts a rich biodiversity, including fresh- and brackish water fish, and water birds such as black-necked swan, coscoroba swan and Chilean flamingo.[2] Top predators from ocean ecosystem, notably common bottlenose dolphins, can sometimes be seen at Lagoa dos Patos[7][8] and exceptionally southern right whales are found at the Rio Grande outlet.[9][10]
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Geography
The lagoon has average length and width of Template:Cvt and Template:Cvt, respectively. It covers a surface of Template:Cvt,[2] slightly smaller than Jamaica, and occupies nearly one third the area of the Coastal Plain of the state of Rio Grande do Sul. The lagoon roughly runs NE-SW, with an average depth of almost Template:Cvt, and mean tidal amplitude of 0.45 m. At its southern end, near Rio Grande city, the only inlet of Lagoa dos Patos has a mean discharge of Template:Cvt. Sea water penetrates northwards into the lagoon up to 200 km during exceptional conditions favored by southern winds, low water levels in the lagoon, and spring tides. The lagoon receives freshwater from about Template:Cvt,[1] mostly from the catchment basin of the Guaíba River system, whose mouth is located in Porto Alegre - the Jacuí Delta - at the northwestern end of the lagoon. The coastal plain bordering the lagoon typically has elevations that reach up to 6 m, mostly consisting of sandy deposits interrupted by small inlets. Those spits rise in average 1 m above the mean water level and on the west margin of the lagoon their submerged part extends about 15 km into the water body.[3]
Tributaries
Major tributaries of the Lagoa dos Patos basin:[11]
| River | Mouth
coordinates |
Length
(km) |
Basin size
(km2) |
Average discharge
(m3/s) |
|---|---|---|---|---|
| Lake Guaiba | ||||
| Jacuí | Lua error: callParserFunction: function "#coordinates" was not found. | 723 | 82,618.1 | 2,327.3 |
| Arroio Diluvio | Lua error: callParserFunction: function "#coordinates" was not found. | 17 | 355 | 1.9 |
| Arroio do Conde | Lua error: callParserFunction: function "#coordinates" was not found. | 164.2 | 4.4 | |
| Arroio Petim | Lua error: callParserFunction: function "#coordinates" was not found. | 179.6 | 4.8 | |
| Arroio da Picada | Lua error: callParserFunction: function "#coordinates" was not found. | 780.3 | 23.8 | |
| Arroio Araçá | Lua error: callParserFunction: function "#coordinates" was not found. | 507.6 | 16.8 | |
| Lagoa dos Patos | ||||
| Arroio Teixeira | Lua error: callParserFunction: function "#coordinates" was not found. | 131.7 | 4.3 | |
| Songa das Capivaras | Lua error: callParserFunction: function "#coordinates" was not found. | 222.6 | 7.3 | |
| Sanga do Quarenta | Lua error: callParserFunction: function "#coordinates" was not found. | 861.2 | 25.8 | |
| Arroio Velhaco | Lua error: callParserFunction: function "#coordinates" was not found. | 768.1 | 20 | |
| Camaquã | Lua error: callParserFunction: function "#coordinates" was not found. | 430 | 16,910.5 | 523.9 |
| Arroio Caraá | Lua error: callParserFunction: function "#coordinates" was not found. | 4.1 | ||
| Arroio São Lourenço | Lua error: callParserFunction: function "#coordinates" was not found. | 197.9 | 5 | |
| Arroio Turuçu | Lua error: callParserFunction: function "#coordinates" was not found. | 865.7 | 22.4 | |
| Arroio Corrientes | Lua error: callParserFunction: function "#coordinates" was not found. | 666.1 | 16 | |
| São Gonçalo Channel | Lua error: callParserFunction: function "#coordinates" was not found. | 76.6 | 56,220 | 1,184.5 |
| Capivari | Lua error: callParserFunction: function "#coordinates" was not found. | 980.1 | 21.8 | |
| Palmares | Lua error: callParserFunction: function "#coordinates" was not found. | 295.3 | 5.8 | |
| Sanga Pangaré | Lua error: callParserFunction: function "#coordinates" was not found. | 246.2 | 5.9 | |
| Arroio Carneiro | Lua error: callParserFunction: function "#coordinates" was not found. | 358.8 | 11.9 | |
Towns and cities on coast
References
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- ^ a b c Page Module:Citation/CS1/styles.css has no content.U., Seeliger (2001). The Patos Lagoon Estuary, Brazil.
- ^ a b c d e f g h Page Module:Citation/CS1/styles.css has no content."Laguna dos Patos". Freshwater Ecoregions of the World. Archived from the original on 9 January 2017. Retrieved 8 January 2017.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Elírio Ernestino, Toldo Jr.; Luiz Emílio Sá, Brito De Almeida; Iran Carlos, Stalliviere Corrêa; Everaldo Rigelo, Ferreira; Nelson Luiz, Sambaqui Gruber. WAVE PREDICTION ALONG LAGOA DO PATOS COASTLINE, SOUTHERN BRAZIL.
- ^ Page Module:Citation/CS1/styles.css has no content."Patos Lagoon | Saltwater, Migratory Birds, Wetlands". Britannica. Retrieved 2024-01-08.
- ^ Page Module:Citation/CS1/styles.css has no content.Kjerfve, Björn (1986). "Comparative oceanography of coastal lagoons". Estuarine Variability. Elsevier. p. 63–81. doi:10.1016/b978-0-12-761890-6.50009-5. ISBN 978-0-12-761890-6.
- ^ Page Module:Citation/CS1/styles.css has no content.Santos, Héric (2018). "Movimentação de água salobra na laguna dos Patos/RS mediante a utilização de imagens MODIS". guaiaca.ufpel.edu.br (in Brazilian Portuguese). Retrieved 2024-01-08.
{{cite web}}: CS1 maint: unrecognized language (link) - ^ Page Module:Citation/CS1/styles.css has no content."Projeto Botos da Lagoa dos Patos". Archived from the original on 2016-01-09. Retrieved 2016-01-23.
- ^ Page Module:Citation/CS1/styles.css has no content."Projeto de universidade monitora golfinhos em Rio Grande, no RS". 26 April 2013.
- ^ Page Module:Citation/CS1/styles.css has no content."Baleias se perdem e param na Lagoa dos Patos, no Rio Grande do Sul". 11 September 2014.
- ^ Page Module:Citation/CS1/styles.css has no content."Jornal Agora | Baleias aparecem no canal de acesso ao porto". Archived from the original on 2016-01-30. Retrieved 2016-01-23.
- ^ Page Module:Citation/CS1/styles.css has no content."Atlantic East Coastal". riversnetwork.org.
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