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River in Flores, Indonesia
Sissa River Ai Sissa, Ai Sisa, Waesesa, Wae Woki River
Location of the riverShow map of FloresSissa River (Lesser Sunda Islands)Show map of Lesser Sunda IslandsSissa River (Indonesia)Show map of Indonesia
The watershed (Indonesian: Daerah Aliran Sungai/DAS) Aesesa has an area of 1,230 km with a round form, comprising two regencies: Ngada Regency and Nagekeo Regency. The upstream at Ngada Regency near Bajawa is called "Wae Woki River". The major tributaries are:
Ae Mau river
Lowo Ulu river
Lowo Langge river
Lowo Lele river
Lowo Me Bhada river
Wae Bia river
Wae Bhara river
Aesesa river has a length of 87 km with an average discharge of around 7.5 m/second
Uses
The inhabitants along the Aesesa River use the water for agriculture, with the help of "Sutami Dam" at Nggolo Mbay, District of Aesesa, Nagekeo Regency which distributes the water to farmlands around 6,452 hectares in Nagekeo Regency at an average discharge of 14.69 m/second. Upstream, there are several waterfalls, like "Ogi Waterfall" and "Soso Waterfall". Ogi waterfall has a height of more than 30 meters and is utilized as a major tourist attraction of Bajawa.
The river flows in the middle to the north of Flores with predominantly tropical savanna climate (designated as Aw in the Köppen-Geiger climate classification). The annual average temperature in the area is 26 °C. The warmest month is November, when the average temperature is around 30 °C, and the coldest is February, at 23 °C. The average annual rainfall is 1686 mm. The wettest month is January, with an average of 302 mm rainfall, and the driest is September, with 8 mm rainfall.