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235:, dissolved in the lagoon that are the results of the incomplete decomposition of organic material such as leaves and twigs. The accumulation of these substances does not allow light to penetrate the water, which causes its dark appearance. These substances, although rarely used by the lagoon's biota, are not toxic or considered a source of pollution.
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longer occurs. It is common for the sand bar that separates the lagoon from the beach to break during rainy seasons, partially emptying the lagoon and renewing the water. The phenomenon is natural and beneficial. The sand barrier is rebuilt by wave action and the lagoon returns to its normal water level within a few weeks.
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that feeds the lagoon, followed by rainwater. Adjacent strips around the lagoon that are not deep enough to accumulate water at all times are always partially wet due to the proximity to the ground water table and flood during heavy rains. In the past, the lagoon used to join the sea, a fact that no
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of the Iriry lagoon. The surrounding area is apparently flat, with few undulations on the surface, standing out only the hillock on the coastal part. The relief of the lagoon area was shaped by the movements and oscillations of the sea level over the last 10,000 years, together with
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that surrounds it have several trails, kiosks, beaches, leisure areas, and a belvedere, and is one of the most famous tourist attractions in the city. The waterfront located in Jardim Bela Vista concentrates most of the lagoon's recreational facilities.
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The lagoon bottom consists of sand and soil, plus patches of silt and layers of decomposing material. Water renewal is slow and runoff is accomplished mainly through absorption and evaporation, while water replenishment is mostly from the
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547:"Ecoturismo em questão: possibilidades de interpretação ambiental e desenvolvimento sustentável na Área de Proteção Ambiental (APA) da Lagoa de Iriry, Rio das Ostras (RJ)"
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of Rio das Ostras, with a perimeter of 2.65 km, a length and width of 0.63 and 0.71 km and an average depth of 1.5m, the lagoon is positioned in the middle of the
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The water is fresh and acidic (pH 5.3), has a high temperature (26°C), is rich in organic compounds and oxygen, and has a good bathing history.
471:"Análise geoambiental da laguna de Iriry no município de Rio das Ostras - RJ como instrumento de apoio para gestão da unidade de conservação"
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172:, between the Jardim Bela Vista and Mar y Lago neighborhoods, as well as parts of Terra Firme. The lagoon and the
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440:"Atividade de Produção e Escoamento de Petróleo e Gás Natural do Campo de Golfinho, Bacia do Espírito Santo"
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The reddish-brown appearance of the waters is a consequence of the high concentration of salts such as
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Reis, Vinicius dos Santos; Silva, Mayra Barros da; Alves, Leidiana Afonso; Miro, José Maria
Ribeiro.
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415:"Rio das Ostras tem lagoas de água doce, praias paradisíacas e ainda fica perto de cachoeiras"
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and means lagoon of shells or mollusks. The name is a combination of
496:"Barragem entre lagoa e mar rompe e surfistas encaram ondas no RJ"
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into which the rainwater and groundwater flow, forming the
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288:"Bacias Hidrográficas dos rios São João e das Ostras"
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370:"Área de Proteção Ambiental Lagoa de Iriry".
264:, and more recently, by the action of winds.
545:Coelho, Francisco José Figueiredo (2011).
521:"Lagoa do Iriry rompe com fortes chuvas"
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295:Consórcio Intermunicipal Lagos São João
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134:2.65 kilometres (1.65 mi)
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174:environmental protection area
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525:City Hall of Rio das Ostras
386:"Balneabilidade das Praias"
346:City Hall of Rio das Ostras
322:City Hall of Rio das Ostras
315:"Zoneamento Lagoa de Iriry"
196:(water, lagoon or river) +
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141:not a well-defined measure
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118:0.71 metres (2.3 ft)
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110:0.63 metres (2.1 ft)
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126:1.5 metres (4.9 ft)
216:Iriry Lagoon shoreline.
149:Body of water in Brazil
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227:, in addition to the
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87:22.50806°S 41.91222°W
613:Reservoirs in Brazil
204:(shell or mollusk).
92:-22.50806; -41.91222
342:"Pontos Turísticos"
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166:Coca-Cola Lagoon
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162:Iodada Lagoon
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123:Average depth
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529:. Retrieved
527:. 2018-01-05
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504:. Retrieved
502:. 2015-12-10
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421:. 2018-05-10
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154:Iriry lagoon
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131:Shore length
19:Iriry Lagoon
557:(1): 59–68.
241:groundwater
233:humic acids
158:Doce Lagoon
107:Max. length
90: /
65:Coordinates
618:Body water
602:Categories
531:2021-11-15
506:2021-11-15
452:2021-11-15
425:2023-06-09
395:2021-11-15
351:2021-11-15
327:2021-11-15
300:2021-11-15
268:References
253:depression
115:Max. width
78:41°54′44″W
75:22°30′29″S
592:Geography
447:Petrobrás
38:Location
623:Lagoons
566:Portals
374:. 2002.
580:Brazil
478:CONINF
229:oxides
225:iodine
58:Brazil
55:
474:(PDF)
443:(PDF)
318:(PDF)
291:(PDF)
186:Iriry
164:, or
390:INEA
372:PMRO
202:riri
198:reri
152:The
200:or
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500:G1
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
