Location map of river basin
Locations of Observation Facilities
General | MICOS (Japan Weather Association) FRICS (Foundation of River Basin & Basin Integrated Communications) |
Precipitation | Radar rain-gauge (Ministry of Land, Infrastructure and Transport) Rain-gauge stations (Owashi, Shirotori, Tochihora, Futamate, Hachiman, Nabi, Ueda, Nakagiri, Horado, Mino, Yukie, Dainota, Ushimaki, Kanzaki, Nishioguma, Kuzuhara, Seki, Chusetsu, Takatomi, Estuary barrage observation station) |
River stage and flow rate | River stage and flow rate gauging stations (Inari, Ueda, Shimohorado, Mino, Taniguchi, Seki, Akutami, Nagara, Chusetsu, Furukawa Bridge, Sunomata, Nanno Ohashi, Nagara-Naruto, Nagara-Aburajima Tatsuta, Chikura, Barrage upstream left bank, Barrage upstream right bank, Barrage downstream left bank, Barrage downstream right bank, Yoshinomaru, Jonan, Hozumu, Majima) |
Quality water | Water quality observation stations: Oyabu Bridge ("Yarb") 31.2 km point (water temperature, pH, turbidity, electric conductivity, COD, dissolved oxygen, chlorophyl-a, T-P, T-N, cyanide ion) Nanno Bridge ("Nanno") 28.4 km point Tokai Bridge ("Tokai") 22.6 km point Nagaragawa Bridge ("Nagara") 13.6 km point Ise Bridge ("Ise") 6.4 km point Ibi-Nagara Bridge ("Henna") 3.0 km point (water temperature, pH, turbidity, COD, dissolved oxygen, chlorophyl-a, T-P, T-N, chloride ion concentration) * COD, T-P and T-N not included at Tokai Bridge and Nagaragawa Bridge Jonan ("Joe") Ibi River 0.5 km point Yatomi ("Tommy") Kiso River 8.7 km point (water temperature, dissolved oxygen, chlorophyl-a, chloride ion concentration) Chikura 9.0 km point (chloride ion concentration) Nagaragawa Estuary Barrage 5.4 km point Upstream left bank (chloride ion concentration), upstream right bank (chloride ion concentration, turbidity, pH, dissolved oxygen), downstream left bank (chloride ion concentration) |
General | General MICOS (Japan Weather Association) |
Acceleration | Strong motion seismograph (Management office, Barrage column [P9 hoist room, between gate columns, crest of barrage column, footing], surface, first gravel layer, second gravel layer) |
Tsunami | Wave recorder (Kamishima) Wave recorder (Toba) |