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Lake Hamana (浜名湖, Hamana-ko) is a brackish lagoon in Shizuoka Prefecture, Japan. Formerly a true lake, it is now connected to the Pacific Ocean by a channel. As an internal body of water, it is considered Japan's tenth-largest lake (by area). It spans the boundaries of the cities of Hamamatsu and Kosai.

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Lake Hamana
A view from Hamanako Service Area
Lake Hamana
Landsat image
Location	Shizuoka Prefecture
Coordinates	34°44′28″N 137°34′11″E
Type	Brackish lagoon
Primary outflows	Pacific Ocean
Basin countries	Japan
Surface area	65.0 km2 (25.1 sq mi)
Average depth	4.8 m (16 ft)
Max. depth	16.6 m (54 ft)
Water volume	0.35 km3 (280,000 acre⋅ft)
Shore length1	114 km (71 mi)
Surface elevation	0 m (0 ft)
1 Shore length is not a well-defined measure.

Data

The lake has an area of 65.0 km² and holds 0.35 km³ of water. Its circumference is 114 km. At its deepest point, the water is 16.6 m deep. The surface is at sea level.

Economic activity

Lake Hamana is a commercial source of cultivated Japanese eel, nori, oysters and Chinese soft-shelled turtles. Fishers take sea bass, whiting, and flounder, among others. The lake has been developed as a resort area, with boating as a feature.

History

In ancient times, Lake Hamana was a freshwater lake. However, the 1498 Meiō Nankaidō earthquake altered the topography of the area and connected the lake to the ocean. As a result, the water in the lake is now brackish.

The old name for this lake is Tohotsu-afumi (遠つ淡海), which means "distant fresh-water lake" and later changed phonologically to Tōtōmi (遠江). From the perspective of the capital in the Kinai, Tōtōmi is more distant than the other famous lake, Chikatsu-afumi (近つ淡海) or Ōmi (now Lake Biwa), the "nearby fresh-water lake." The name Tōtōmi was also used for a former province in which the lake is located (Tōtōmi Province).

At the end of World War II two experimental Type 4 Chi-To tanks were dumped into the lake to avoid capture by Occupation forces. One was recovered by the US Army, but the other was left in the lake. In 2013, unsuccessful efforts were made to locate the remaining tank.[1]

References

Sources

This article incorporates material from the article 浜名湖 (Hamanako) in the Japanese Wikipedia, retrieved on December 11, 2007.

External links

• Media related to Lake Hamana at Wikimedia Commons
• 浜名湖 (PDF) (in Japanese). (260 KiB) (Hamanako), Ministry of Land, Infrastructure and Transport (Japan)
• 浜名湖サイクリングロード (PDF) (in Japanese). (719 KiB) (Hamanako Cycling Road), Ministry of Land, Infrastructure and Transport (Japan)

На других языках

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[de] Hamana-See

Der Hamana-See (japanisch 浜名湖, Hamana-ko) ist ein Brackwassersee in der Nähe von Hamamatsu im Westen der japanischen Präfektur Shizuoka.

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- [en] Lake Hamana

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[fr] Lac Hamana

Le lac Hamana (浜名湖, Hamana-ko?) est un lagon saumâtre situé dans la préfecture de Shizuoka. Anciennement un lac, il est désormais connecté à l'océan Pacifique par un canal. Étant une étendue d'eau se trouvant à l'intérieur des terres, il est considéré comme étant le dixième plus grand lac du Japon, d'un point de vue de superficie. Il couvre les limites des villes de Hamamatsu et Kosai.

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[ru] Хамана

Хамана[2] (Хамана-Ко[3]; яп. 浜名湖[1]) — солоноватое лагунное озеро на юге центральной части японского острова Хонсю. Располагается на территории префектуры Сидзуока[4][1]. Относится к бассейну Тихого океана, сообщаясь с ним на юге через пролив шириной 200 м, впадающий в залив Энсю-Нада[3][4][5].

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