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The 11,900 square kilometres (4,600 sq mi) basin of the Shinano-Chikuma River system is the third largest in Japan and at 367 kilometres (228 mi), is the longest river in the country. The river system supports a population of around 3 million (as of 2009) and supports significant agriculture and electricity generation. [1] [26]: 182 The river ...
Rivers of Japan are characterized by their relatively short lengths and considerably steep gradients due to the narrow and mountainous topography of the country. An often-cited quote is 'this is not a river, but a waterfall' by the Dutch engineer ( o-yatoi gaikokujin ) Johannis de Rijke who had visited the Jōganji River , Toyama Prefecture .
River Countries Length km mi 1 Yangtze (Cháng Jiāng 長江) [1] China: 6,300 3,915 2 Yellow River (Huáng Hé 黃河) [1] China: 5,464 3,395 3 Mekong [1]
The global annual runoff into the oceans (38,500–44,200 km 3 /year) is dominated by runoff into the South Atlantic from eastern South America, into the western Pacific from east Asia, and into the Indian Ocean from India, and southeast Asia.
Class A river system (一級水系, Ikkyū suikei) is a designation applied to rivers systems deemed to be important to the economy of the nation as a whole, as well as those deemed important to the conservation of nature within Japan. There are currently 109 river systems with this designation.
In particular, there seems to exist disagreement as to whether the Nile [3] or the Amazon [4] is the world's longest river. The Nile has traditionally been considered longer, but in 2007 and 2008 some scientists claimed that the Amazon is longer [5] [6] [7] by measuring the river plus the adjacent Pará estuary and the longest connecting tidal ...
A. Abashiri River; Abe River; Abukuma River; Agano River; Agatsuma River; Agi River; Ai River (Gifu) Aibiki River; Aikawa River (Miyagi, Japan) Aka River; Akan River
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".