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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 .
Map all coordinates using OpenStreetMap. Download coordinates as: KML; ... Pages in category "Rivers of Japan" The following 200 pages are in this category, out of ...
It can be thought of as a list of the biggest rivers on Earth, measured by a specific metric. For context, the volume of an Olympic-size swimming pool is 2,500 m 3 (88,000 cu ft). The average flow rate at the mouth of the Amazon is sufficient to fill more than 83 such pools each second.
Even when detailed maps are available, the length measurement is not always clear. A river may have multiple channels, or anabranches. The length may depend on whether the center or the edge of the river is measured. It may not be clear how to measure the length through a lake or reservoir. Seasonal and annual changes may alter both rivers and ...
This is a list of longest rivers of Asia. Included are all rivers with lengths over 1,000 km (620 mi) that are in Asia. ... River Countries Length km mi 1 Yangtze ...
It is the fourth-largest island country in the world and the largest island country in East Asia. [12] The country has the 6th longest coastline at 29,751 km (18,486 mi) and the 8th largest Exclusive Economic Zone of 4,470,000 km 2 (1,730,000 sq mi) in the world. [13] The terrain is mostly rugged and mountainous, with 66% forest. [14]
[6] [7] If a river system is designated Class A, all the constituent rivers are also designated as such. Therefore, Class B rivers cannot coexist with Class A rivers in the same river system. [7] This designation is also called First Class. Class A river (一級河川, Ikkyū kasen) is a designation which applies to important individual rivers ...