Kikuchi River

The Kikuchi River (菊池川, Kikuchi-gawa) flows through the northern part of Kumamoto Prefecture, Kyūshū, Japan. The source of the river is Fukaba, Aso city near Mt. Aso at the height of 1041 metres[1] and flows west through the Kikuchi Valley. It turns south near Kikusui and empties into the Shimabara Bay in the Ariake sea. Land reclamation is taking place at its mouth.[2]

Rapids at Kikuchi River valley

The river has a total length of 71 km. It begins at an elevation of 1041 meters and has a catchment area of 995 km². The width of the river ranges from 24 metres to 72 metres and the current velocity and discharge varies greatly through the year, from 10 to 350 cubic metres per second.[3]

References
  1. Okamura, Maya; Minagawa, Tomoko (2016). "Historical and Physical Evaluation of Floodplain Habitats in The River Channel of the Kikuchi River" (PDF). 11th International Symposium on Ecohydraulics (ISE 2016). Engineers Australia: 91–98. ISBN 9780734053398.
  2. Ohmoto, T., R. Hirakawa, and K. Watanabe. "Flow pattern and sediment transport in the Kikuchi River mouth." In 6th International Symposium on Environmental Hydraulics. 2010.
  3. Higa, Atsushi; Kasai, Fumie; Kawachi, Masanobu; Kumano, Shigeru; Sakayama, Hidetoshi; Miyashita, Mamoru; Watanabe, Makoto M. (2007-03-01). "Seasonality of gametophyte occurrence, maturation and fertilization of the freshwater red alga Thorea okadae (Thoreales, Rhodophyta) in the Kikuchi River, Japan". Phycologia. 46 (2): 160–167. doi:10.2216/05-39.1.
The river at Tamana, Kumamoto.

32°52′47″N 130°31′34″E (mouth)


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