Benanain River

Benanain River is a river of western Timor, Indonesia.[1][2] This river is the longest and the largest di the West Timor area, with a length of 132 km. The river is located in three regencies: Malaka, Timor Tengah Utara and Timor Tengah Selatan, province East Nusa Tenggara, Indonesia. The upstream rises from Mount Mutis, flowing in the southeast direction until discharging to Timor Sea near Besikama.

Benanain River
Mota Benenain, Mota Benain, Benoin River, Sungai Benain, Noil Benain, Benain River
Location of river mouth
Location
Country Indonesia
Physical characteristics
SourceMount Mutis
 • elevation2,400 m (7,900 ft)
MouthTimor Sea
 • location
Malaka
Length132 km (82 mi)
Basin size3,158 km2 (1,219 sq mi)

Hydrology

The watershed (Indonesian: Daerah Aliran Sungai/DAS) of Benanain has an area of 3,158 km2 comprising Malaka, Timor Tengah Utara, Timor Tengah Selatan and also a small part of Belu Regency. It is the largest watershed in Province East Nusa Tenggara. Benanain River has a characteristic of very extreme discharge fluctuation, giving the indication that the condition of this watershed is in a serious damage. Consequently, every year this river causes big flooding.

Tributaries

Some of the largest tributaries are:

  1. Baen River
  2. Biau River
  3. Asban River
  4. Okan River
  5. Muti River
  6. Bunu River
  7. Fatu River
  8. Laku River
  9. Besi River

Geography

The river flows in the middle south of Timor with predominantly tropical savanna climate (designated as Aw in the Köppen-Geiger climate classification).[3] The annual average temperature in the area is 26 °C. The warmest month is November, when the average temperature is around 29 °C, and the coldest is June, at 23 °C.[4] The average annual rainfall is 1760 mm. The wettest month is January, with an average of 305 mm rainfall, and the driest is September, with 5 mm rainfall.[5]

Uses

The inhabitants along the Benanain River use the water for agriculture and fisheries by traditional fishing or using nets. Benanain Dam is built[6] in Kakaniuk village, district of Malaka Tengah, Malaka Regency, can distribute water to 15,000 hectare of farmlands. Other than agriculture, the dam also for flood prevention.

Ecology

This river is a habitat of local crocodiles.[7]

See also

References
  1. Rand McNally, The New International Atlas, 1993.
  2. Mota Benenain at Geonames.org (cc-by); Last updated 17 January 2012; Database dump downloaded 27 November 2015
  3. Peel, M C; Finlayson, B L; McMahon, T A (2007). "Updated world map of the Köppen-Geiger climate classification". Hydrology and Earth System Sciences. 11. doi:10.5194/hess-11-1633-2007.
  4. "NASA Earth Observations Data Set Index". NASA. 30 January 2016.
  5. "NASA Earth Observations: Rainfall (1 month – TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016.
  6. Bendung Benanain, Kabupaten Malaka
  7. Gerombolan Buaya Berjemur Resahkan Warga

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