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Total length of waterways per country in kilometers. This is a list of waterways, defined as navigable rivers, canals, estuaries, lakes, or firths.In practice, and depending on the language, the term "waterway" covers maritime or inland transport routes, as suggested by "way".
Rank Country Waterways Date of information — World 2,293,412: 2017 1 Russia 317,505: 2017 2 Brazil 153,348: 2017 3 China 138,357: 2017 [3] European Union 53,384: 2017 4 United States
Note that the "Navigable Waters of the United States" listed in 33 CFR 329 are different than those listed as "Waters of the United States" in 33 CFR 328, which is the Clean Water Rule. However, all Navigable Waters, plus those considered navigable-in-fact are included in the general "Waters" definition. [1]
Navigability also depends on context: a small river may be navigable by smaller craft such as a motorboat or a kayak, but unnavigable by a larger freighter or cruise ship. Shallow rivers may be made navigable by the installation of locks that regulate flow and increase upstream water level, or by dredging that deepens parts of the stream bed.
Waterways have been an important part of human activity since prehistoric times and navigability has allowed watercraft and canals to pass through every body of water.The Grand Canal (China), a UNESCO World Heritage Site, the oldest known waterway system in the world, is considered to be one of the world's largest and most extensive project of engineering.
Canals are human-made structures, built for water control, flood prevention, irrigation, and water transport. Their exact design varies depending upon the local importance of each function. The term 'canal' is often used to describe both human-made canals and river navigations, whether free-flowing waterways, or those with locks and dams or weirs.
This is a list of rivers of the US state of Alabama. Alabama has over 132,000 [1] miles of rivers and streams with more freshwater biodiversity than any other US state. Alabama's rivers are among the most biologically diverse waterways in the world. 38% of North America's fish species, 43% of its freshwater gill-breathing snails, 51% of its freshwater turtle species, and 60% of its freshwater ...
The Black Warrior River is a waterway in west-central Alabama in the southeastern United States. The river rises in the extreme southern edges of the Appalachian Highlands and flows 178 miles (286 km) to the Tombigbee River, of which the Black Warrior is the primary tributary. [1]