Template:Short description
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File:Chico River, Malinawa top view (Tabuk, Kalinga; 04-27-2024).jpg River islands in the Chico River , Philippines File:Insula Csepel 2.png Satellite picture of Csepel Island in Hungary which is south of Budapest city centre A river island is any exposed landmass surrounded by river water. Properly defined, it excludes shoals between seasonally varying flows and may exclude semi-coastal islands in river deltas such as Marajó .
These islands result from changes in the course of a river. Such changes may be caused by interactions with a tributary , or by the opposing fluvial actions of deposition and/or erosion that form a natural cut and meander . Nascent vegetation-free shoals and mudflats may dissipate and shift or build up into such islands through deposition; the process may be assisted through artificial reinforcement or natural factors, such as reeds , palms , evergreen trees or willows , that act as obstacles or erosion barriers, so that water flows around them. Islands may be small or large, covering many square kilometers, examples of which are given below.
Regional nomenclature Template:Sister project
The term "towhead " implies an islet (small island) or shoal within a river (most often the Mississippi River ) having a grouping or thicket of trees, and is often used in the Midwestern United States . Many rivers, if wide enough, can house considerably large islands. The term "towhead" was popularised by Mark Twain 's Adventures of Huckleberry Finn
In England, a river island in the Thames is referred to as an "ait " (or "eyot").
Largest and smallest File:FridayIsle01.JPG Friday Island is an example of a very small island with a solid-foundations house .Majuli (a non-coastal landmass between two banks of a river), located in the Brahmaputra River in Assam , India , is recognised by Guinness World Records Template:Convert .[ 1]
The Encyclopædia Britannica Bananal Island (an island that divides the Araguaia River into two branches over a 320 km (200-mile) length of water), located in Tocantins , central Brazil, to be the world's largest river island instead, at Template:Convert .[ 2]
However, Bananal Island is not considered a riverine island by some geologists,Script error: No such module "Unsubst". Araguaia River to form two distributaries, and Bananal Island to be the landmass between these two distributed rivers.Script error: No such module "Unsubst".
Umananda Island , at Template:Convert , is among contenders as the smallest permanently-inhabited river island, or islet , with fixed dwellings. Umananda also lies in the Brahmaputra River . Many as tiny as Umananda or smaller, inhabited, exist on the Amazon basin and Bangladesh .Script error: No such module "Unsubst". Hatfield Island in the Guyandotte River in the U.S. state of West Virginia , has no permanent population, but contains several permanent buildings, namely the K–12 schools serving the city of Logan and its surrounding area plus the main branch of the Logan County public library.[ 3]
On canalised rivers , such as the Thames and the Seine , one-home islands exist, containing houses constructed of permanent materials. Canals reduce erosion of the islands and in particular limit the height of flash flooding by maintaining substantial "heads" of water through barrages .Script error: No such module "Unsubst". Monkey , Friday , Holm and D'Oyly Carte islands.
Lists of river islands River islands by area Script error: No such module "Unsubst".
Name
Area2 )
Country
River
Marajó Script error: No such module "Unsubst". 40,100
Brazil Amazon River / Pará River
Bananal Island 19,162
Brazil Araguaia River
Riverine Plain, Moulamein, Coleambally, Hay, BalranaldScript error: No such module "Unsubst".
18,000
Australia Formed by the Billabong, Edward, and Murrumbidgee river systems in New South Wales .
Tupinambarana 11,850Template:Update inline
Brazil Amazon River
Bahr al Jabal Island
7,929
South Sudan Bahr al Jabal Bahr el Zeraf
Holland /Utrecht 7,361
Netherlands Rhine River IJssel River
Ilha Grande de Gurupá 4,864
Brazil Amazon River
Margarita Island 2,832[ 4]
Colombia Magdalena River
Uarini Island
2,339
Brazil Uarini River , Amazon River
Boven Digul 2,171
Indonesia Digul River , Kawaga River
Richards Island 2,165
Canada Mackenzie River
Krasnoslobodsk 2,002
Russia Volga River , Akhtuba River
Veľký Žitný ostrov 1,885.2[ 5]
Slovakia Danube , Little Danube
Hatiya Island 1,508.23
Bangladesh Meghna River
Letea Island 1,480
Romania Danube
Camargue 1,453
France Grand Rhone , Petit Rhone
Bhola Island 1,441
Bangladesh Meghna River
Chongming Island 1,267[ 6]
China Yangtze River
Ile à Morfil 1,250
Senegal Senegal River
Zhongshan Island 1,055.42
China Pearl River
Dibru Saikhowa 765
India Brahmaputra River
Sandwip Island 762.42
Bangladesh Meghna River
Great Brăila Island 720.2
Romania Danube
Majuli 553
India Brahmaputra River
Sumba Island 500[ 7]
Democratic Republic of Congo Congo River
Montreal 499
Canada St. Lawrence River , Rivière des Prairies
Szigetköz 375
Hungary , Slovakia Danube
Manpura Island 373
Bangladesh Meghna
Inhacamba 340
Mozambique Zambezi
Hoeksche Waard 323.74
Netherlands Oude Maas , Nieuwe Maas
Yangzhong Island 320
China Yangtze River
Gunbower Island
264
Australia
Murray River
Csepel Island 257
Hungary Danube
Jésus Island 242
Canada Rivière des Mille Îles , Rivière des Prairies
Voorne-Putten 220
Netherlands Oude Maas , Nieuwe Maas
Hisingen 199
Sweden Göta älv
Mosqueiro 191
Brazil Amazon River
Mbamou Island 180[ 8]
Republic of the Congo Congo River
Don Khong 144
Laos Mekong
Roberts Island
133[ 9]
United States
San Joaquin River
Union Island
130[ 9]
United States
San Joaquin River
Davis Island 120
United States Mississippi River
Taiama Island 115.55
Brazil Paraguay River
Lulu Island 112.4
Canada Fraser River
Sarpinskiy Island 110
Russia Volga River
Sauvie Island 84.8
United States Columbia River
Tunøya 82
Norway Glomma
Dordrecht Island 79.53
Netherlands Oude Maas , Hollands Diep
Srirangam 74.4
India Kaveri [ 10]
Grand Island 73.8
United States Niagara River
Rangitata Island ~65
New Zealand Rangitata River Template:Efn
Ostrvo 60
Serbia Danube
Hogg Island 59
Guyana Essequibo River
Manhattan Island 59
United States Hudson River /East River /Harlem Creek
Hengsha Island 55.74
China Yangtze River
Rusnė Island
45
Lithuania
Neman
Wakenaam Island 45
Guyana Essequibo River
Belene Island 41
Bulgaria Danube
Woodford Island 37
Australia Clarence River
Wilhelmsburg 35.3
Germany Elbe
Leguan Island 31
Guyana Essequibo River
Grave di Papadopoli 18
Italy Piave River
Isla Teja 15
Chile Cau-Cau River /Cruces River /Valdivia River
Srirangapatna 13
India Kaveri
Shivanasamudram India Kaveri
Grosse Ile 25
United States Detroit River
Inch Clutha ~24
New Zealand Clutha River
Khortytsia 23.59
Ukraine Dnieper River
Island of Šarengrad 9
Disputed (Serbia/Croatia)
Danube
Yeouido 8.4
South Korea Han River
Tatyshev 7
Russia Yenisey River
Sedudu /Kasikili5
Botswana Cuando River
Ada Bojana 4.81
Montenegro Bojana River
Hayden Island 4.4
United States Willamette River
Nanjido 2.8
South Korea a branch of the Han River
Otdyha Island 2.5
Russia Yenisey River
Wheeling Island 1.5
United States Ohio River
Rŭngrado 1.3
North Korea Taedong River
Yanggakdo 1.2[ 11]
North Korea Taedong River
Nakanoshima 0.7
Japan Kyū-Yodo River
Zhenbao Island 0.7
China Ussuri River
Bhavani Island 0.53
India Krishna River
Bamseom 0.24
South Korea Han River
Île de la Cité ~0.2
France Seine
Nakasu ~0.2
Japan Nakagawa River
Prince's Island Park 0.2
Canada Bow River
Island of Vukovar 0.032
Disputed (Serbia/Croatia)
Danube
Umananda Island 0.02
India Brahmaputra River
Hatfield Island 0.17
United States Guyandotte River
Some Sevit 0.0104
South Korea Han River
Pheasant Island 0.00682
Condominium between France and SpainBidasoa
Note: Includes some river islands that also have an ocean coast. Most populous river islands This list ranks river islands with a population of at least 25,000.
Name
Population
Area2 )
Country
City
River
Salsette Island 15,111,974
619
India Mumbai and Thane Vasai Creek /Thane Creek
Île de Montréal 1,942,044 (2016)[ 12]
499
Canada Montreal Rivière des Prairies /St. Lawrence River
Manhattan Island 1,628,701 (2018)[ 13] Template:Efn
59
United States New York City Hudson River /East River
Chongming Island 660,000 (2010)
1,267
China Shanghai Yangtze River
Jésus Island 422,993 (2016)[ 14]
242
Canada Laval Rivière des Mille Îles /Rivière des Prairies
Veľký Žitný ostrov 226,446 (2001)
1,885
Slovakia Bratislava , Komárno , Dunajská Streda and othersDanube , Little Danube
Vasilievsky Island 209,188 (2017)
10.9
Russia St. Petersburg Bolshaya Neva /Malaya Neva
Lulu Island 198,309 (2016)[ 15]
122.4
Canada Richmond Fraser
Srirangam 181,556 (2001)
13
India Srirangam Kaveri
Bangkok Noi 179,814 (2017)
18
Thailand Bangkok Chao Phraya River
Majuli 167,304 (2011)
422
India Vaishnavite Shrines Brahmaputra River
Csepel Island 166,953 (2012)
257
Hungary several
Danube
Hisingen 130,000
199
Sweden Gothenburg Göta älv
Navotas Island 117,196
1.95
Philippines Navotas, Metro Manila Tullahan River
Wilhelmsburg 49,132 (2006)
35.3
Germany Hamburg Elbe
Yeouido 30,988 (2006)
8.4
South Korea Seoul Han River
Mosqueiro 27,000
191
Brazil Belém Amazon River
See also Script error: No such module "Portal". Template:Div col
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Notes Template:Notelist
References Template:Reflist
Template:Rivers, streams and springs
↑ Script error: No such module "citation/CS1". ↑ Script error: No such module "citation/CS1". ↑ Script error: No such module "citation/CS1". ↑ Script error: No such module "citation/CS1". ↑ Script error: No such module "citation/CS1". ↑ Script error: No such module "citation/CS1". ↑ Script error: No such module "citation/CS1". ↑ "Malebo Pool" . Encyclopædia Britannica . Accessed June 2017.↑ a b Script error: No such module "citation/CS1". ↑ W. Francis (1906). Gazetteer of South India. p. 199.
↑ Historical Dictionary of Pyongyang, by Justin Corfield, p.227
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