Bian River (Indonesia)
River in Indonesia
From Wikipedia, the free encyclopedia
The Bian River or Mbian River is a river in Merauke Regency, South Papua, Indonesia.[1] Its total length is 580.6 km and its width is around 70 – 1447.1 m.[2] Some 900 people in its upper course are said to speak the Bian Marind language.[3]
| Bian River Wai Bian, Bian-rivier, Sungai Bian | |
|---|---|
   | |
| Location | |
| Country | Indonesia |
| Province | South Papua |
| Regency | Merauke |
| Physical characteristics | |
| Source | Butiptiri |
| • location | Southeast of Asike |
| Mouth | Arafura Sea |
• location | District of Okaba, Merauke |
| Length | 580.6 km (360.8 mi) |
Basin size | 8,044.3 km2 (3,105.9 mi2) |
| Width | |
| • minimum | 70 m (230 ft) |
| • maximum | 1,447.1 m (4,748 ft) |
| Discharge | |
| • location | Near mouth |
| • average | 392 m3/s (13,800 cu ft/s) |
Geography
The river flows in the southern area of Papua with a predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).[4] The annual average temperature in the area is 23 °C. The warmest month is October when the average temperature is around 25 °C, and the coldest is June, at 20 °C.[5] The average annual rainfall is 2952 mm. The wettest month is May, with an average of 405 mm rainfall, and the driest is August, with 62 mm rainfall.[6]
Ecology
In the district of Muting (Merauke Regency), the Bian River is a nature reserve by the order of the Ministry of Forestry[7] as the habitat of various protected flora and fauna, among others: Archerfish and Asian arowana.[8]