Portal:Rivers
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Introduction
A river is a natural flowing freshwater stream, flowing on land or inside caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of its course if it runs out of water, or only flow during certain seasons. Rivers are regulated by the water cycle, the processes by which water moves around the Earth. Water first enters rivers through precipitation, whether that be from the runoff of water down a slope, the melting of glaciers or snow, or seepage from aquifers beneath the surface of the Earth.
Rivers flow and merge together in confluences to form drainage basins, areas where all water eventually flows to a common outlet. Rivers have a great effect on the landscape around them. They may regularly overflow their banks and flood the surrounding area, spreading nutrients to the surrounding area. Sediment or alluvium carried by rivers shapes the landscape around it, forming deltas and islands where the flow slows down. Rivers rarely run in a straight line, instead they bend or meander; the locations of a river's banks can change frequently. Rivers get their alluvium from erosion, which serves to carve rock into canyons and valleys.
Rivers have sustained human and animal life for millennia, including the first human civilizations. The organisms that live around or in a river such as fish, aquatic plants, and insects have different roles, including processing organic matter and predation. Rivers have produced abundant resources for humans, including food, transportation, drinking water, and recreation. Humans have engineered rivers to prevent flooding, irrigate crops, perform work with water wheels, and produce hydroelectricity from dams. People associate rivers with life and fertility, and have strong religious, political, social, and mythological attachments to them. (Full article...)
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The Hudson River is a 315-mile (507 km) river that flows from north to south primarily through eastern New York, United States. It originates in the Adirondack Mountains of upstate New York at Henderson Lake in the town of Newcomb, and flows southward through the Hudson Valley to the New York Harbor between New York City and Jersey City, eventually draining into the Atlantic Ocean at Upper New York Bay. The river serves as a physical boundary between the states of New Jersey and New York at its southern end. Farther north, it marks local boundaries between several New York counties. The lower half of the river is a tidal estuary, deeper than the body of water into which it flows, occupying the Hudson Fjord, an inlet that formed during the most recent period of North American glaciation, estimated at 26,000 to 13,300 years ago. Even as far north as the city of Troy, the flow of the river changes direction with the tides.
The Hudson River runs through the Munsee, Lenape, Mohican, Mohawk, and Haudenosaunee homelands. Prior to European exploration, the river was known as the Mahicannittuk by the Mohicans, Ka'nón:no by the Mohawks, and Muhheakantuck by the Lenape. The river was subsequently named after Henry Hudson, an Englishman sailing for the Dutch East India Company who explored it in 1609, and after whom Hudson Bay in Canada is also named. It had previously been observed by Italian explorer Giovanni da Verrazzano sailing for King Francis I of France in 1524, as he became the first European known to have entered the Upper New York Bay, but he considered the river to be an estuary. The Dutch called the river the North River, and they called the present-day Delaware River the South River, which formed the spine of the Dutch colony of New Netherland. Settlements of the colony clustered around the Hudson, and its strategic importance as the gateway to the American interior led to years of competition between the English and the Dutch over control of the river and colony. (Full article...)Selected Quote
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![](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Skj%C3%A1lfandaflj%C3%B3t_at_Route_1.jpg/300px-Skj%C3%A1lfandaflj%C3%B3t_at_Route_1.jpg)
The Skjálfandafljót at Route 1 in northern Iceland. In the background is the waterfall of Goðafoss
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Did you know?
- ... that a tributary of the Chusovaya River (pictured) naturally dives underground for about 6 kilometres (3.7 mi)?
- ... that the Cheddar Yeo forms the largest underground river system in Britain?
- ... that the "Mad Raft Race" is an event held on the Chilkoot River as part of Fourth of July festivities observed in Haines, Alaska?
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![Tagus River](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Tagus_River_Panorama_-_Toledo%2C_Spain_-_Dec_2006.jpg/700px-Tagus_River_Panorama_-_Toledo%2C_Spain_-_Dec_2006.jpg)
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Featured articles
Aliso Creek (Orange County)
Balch Creek
Big Butte Creek
Bull Run River (Oregon)
Chetco River
Colorado River
Columbia River
Columbia Slough
Fanno Creek
Johnson Creek (Willamette River tributary)
Jordan River (Utah)
Little Butte Creek
Plunketts Creek (Loyalsock Creek tributary)
River Parrett
Rogue River (Oregon)
St. Johns River
Tryon Creek
Waterfalls in Ricketts Glen State Park
White Deer Hole Creek
Willamette River
Featured lists
List of longest rivers of the United States (by main stem)
List of longest streams of Idaho
List of longest streams of Oregon
List of tributaries of Bowman Creek
List of tributaries of Catawissa Creek
List of tributaries of Larrys Creek
List of tributaries of Mahanoy Creek
List of tributaries of Shamokin Creek
Good articles
1886 St. Croix River log jam
Abrahams Creek
Adams River (British Columbia)
River Avon, Bristol
Big Wapwallopen Creek
Black Creek (Susquehanna River tributary)
Briar Creek (Susquehanna River tributary)
Brunswick Falls
Buffalo Creek (West Branch Susquehanna River tributary)
Canajoharie Creek
Catawissa Creek
Celilo Falls
Cem (river)
Chollas Creek
Cibolo Creek
Covering of the Senne
Darby Creek (Pennsylvania)
Eddy Creek (Lackawanna River tributary)
Esopus Creek
Estuaries of Texas
Everglades
Fishing Creek (North Branch Susquehanna River tributary)
Flushing River
Fonteyn Kill
Fossil Creek
River Frome, Bristol
Gowanus Canal
Great Zab
Hammersley Fork
Harveys Creek
Hudson River
Hull Creek (Lackawanna River tributary)
River Hull
Hunlock Creek
River Irwell
Islais Creek
Ithan Creek
Jiloca (river)
Kaweah River
Kettle Creek (Pennsylvania)
Keyser Creek
Kings River (California)
Kissena Creek
Klamath River
Kootenay River
Laguna Canyon
Leggetts Creek
Little Applegate River
Little Catawissa Creek
Little Fishing Creek
Little Wapwallopen Creek
Mahanoy Creek
Mahoning Creek (Susquehanna River tributary)
Meadow Brook (Lackawanna River tributary)
Merced River
Messers Run
Minetta Creek
Minnehaha Park (Minneapolis)
Missouri River
Moston Brook
Mud Creek (Chillisquaque Creek tributary)
Muncy Creek
Nanticoke Creek
Neepaulakating Creek
Nescopeck Creek
Ombla
Petitcodiac River
Potlatch River
River Arun
River Brue
River Tone
River Torrens
River Weaver
Roaring Brook (Lackawanna River tributary)
Roaring Creek (Pennsylvania)
River Rother, East Sussex
River Rother, West Sussex
San Juan Creek
Santa Ana River
Sava
Saw Mill River
Scotch Run (Catawissa Creek tributary)
Severn bore
Shickshinny Creek
Shimna River
Shinano River
Snake River
Solomon Creek
Spring Brook (Lackawanna River tributary)
Stafford Meadow Brook
Stanislaus River
Stikine River
Stony Brook (Charles River tributary, Boston)
Sulphur Creek (California)
Tangascootack Creek
Toby Creek
Trinity River (California)
River Trym
Twomile Run
Wainui Falls
River Welland
West Branch Fishing Creek
West Creek (Pennsylvania)
West Kill
River Witham
Yellala Falls
Zarqa River
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