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The coastline paradox states that a coastline does not have a well-defined length. Measurements of the length of a coastline behave like a fractal, being different at different scale intervals (distance between points on the coastline at which measurements are taken). The smaller the scale interval (meaning the more detailed the measurement ...
In total, as of 2021, Japan's territory is 377,973.89 km 2 (145,936.53 sq mi), of which 364,546.41 km 2 (140,752.16 sq mi) is land and 13,430 km 2 (5,190 sq mi) is water. [2] Japan has the sixth longest coastline in the world (29,751 km (18,486 mi)). It is the largest island country in East Asia and the fourth largest island country in the world.
The returning branch is composed of the Liman, North Korea and Central (or Mid-) Japan Sea currents which bring fresh and cold water along the Asian coast to the south. [12] Water temperature is mostly affected by exchange with the atmosphere in the northern part of the sea and by the currents in the southern part.
Water supply and sanitation in Japan is characterized by numerous achievements and some challenges. The country has achieved universal access to water supply and sanitation, has one of the lowest levels of water distribution losses in the world, regularly exceeds its own strict standards for the quality of drinking water and treated waste water, uses an effective national system of performance ...
In the 1970s, the quality of water was comparatively high. [citation needed] After the 1960 Valdivia earthquake (the 1960 Chile tsunami), an iron floodgate was installed, and the quality of water in the lake diminished by the flow of waste into the lake. [clarification needed] Attempts to purify the water continued. The tsunami in 2011 removed ...
Tokyo Bay was the venue for the Perry Expedition, which involved two separate trips from 1853 to 1854 between the United States and Japan by Commodore Matthew Perry (1794–1858). Perry sailed on his four " Black Ships " into Edo Bay on July 8, 1853, and began negotiations with the Tokugawa shogunate that led to a peace and trade treaty between ...
Similar to the Gulf Stream in the North Atlantic, the Kuroshio is a powerful western boundary current that transports warm equatorial water poleward and forms the western limb of the North Pacific Subtropical Gyre. Off the East Coast of Japan, it merges with the Oyashio Current to form the North Pacific Current.
Nakagusuku Bay (中城湾, Nakagusuku-wan, Okinawan: Nakagushiku-widu) is a bay on the southern coast of Okinawa Island on the Pacific Ocean in Japan.The bay covers 220 square kilometres (85 sq mi) and ranges between 10 metres (33 ft) to 15 metres (49 ft) deep. [1]