Agano (river)
Agano Aga, Ōkawa |
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View of the river |
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Data | ||
location | Japan | |
River system | Agano | |
source | in Minami-Aizu am Berg Arakai 37 ° 2 '38 " N , 139 ° 38' 48" O |
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muzzle | in Niigata in the Sea of Japan Coordinates: 37 ° 57 ′ 45 " N , 139 ° 7 ′ 44" E 37 ° 57 ′ 45 " N , 139 ° 7 ′ 44" E |
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Mouth height |
0 m TP
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length | 210 km | |
Catchment area | 7710 km² | |
Drain |
MQ |
451 m³ / s |
The Agano ( Japanese 阿 賀 野 川 , -gawa , in Fukushima also Aga ( 阿賀川 , -gawa ) or Ōkawa ( 大川 )) is a river in Japan .
It flows from the Fukushima Prefecture in the Niigata Prefecture . It is 210 km long and has a catchment area of 7710 km².
The source of the river is on Mount Arakai on the border of the Fukushima and Tochigi prefectures . It flows north and is fed by the Nippashi ( 日 橋 川 , -gawa ) from Lake Inawashiro and then from the Tadami in the Aizu Basin . Then it turns west and falls into the Sea of Japan . At the mouth it has the highest flow rate of all Japanese rivers with 451 m³ / s.
In the 1960s, the Shōwa Denkō company polluted the river with mercury , causing Niigata Minamata Disease (Niigata Minamata Disease ( 新潟 水 俣 病 , Niigata Minamata-byō ), also known as the second Minamata Disease ( 第二 水 俣 病 , Dai-ni Minamata-byō ) called).
Web links
- River database of the Ministry of Land, Infrastructure, Transport and Tourism : entry Aganogawa