Kayan River

Kayan River is a river of Borneo island, flowing in the North Kalimantan province of Indonesia, about 1600 km northeast of the capital Jakarta.[5][6] Tributaries include the Bahau River.

Kayan River
Sungai Kayan, Sungai Bulungan, Sungai Kajan, Sungai Ulungan, Boetoengan Rivier, Bulungan River, Boeloengan Rivier
Panoramic Kayan River
Location of river mouth
Kayan River (Indonesia)
Location
CountryIndonesia
Physical characteristics
Source 
 • locationBorneo
 • elevation2,015 metres (6,611 ft)
Mouth 
 • location
Sulawesi Sea
 • coordinates
2°54′41.29″N 117°33′14.11″E
Length576 kilometres (358 mi)
Basin size33,005 km2 (12,743 sq mi) 33,171.8 km2 (12,807.7 sq mi)
Discharge 
 • locationKayan III Hydropower Station, 72 km upstream of Tanjung Selor (basin size 26,260 km2 (10,140 sq mi)[1]
 • average2,184 m3/s (77,100 cu ft/s)[2]
Discharge 
 • locationTanjung Selor
 • average2,454 m3/s (86,700 cu ft/s)[3] (Period of data: 2016-2020)2,261 m3/s (79,800 cu ft/s)[4]
Discharge 
 • locationKayan Delta, Sulawesi Sea
 • average77.738 km3/a (2,463.4 m3/s)
Kayan
river mouth
Kayan River in Kalimantan

Hydrology

Kayan River rises on Mount Ukeng, passing Tanjung Selor city and discharges into Sulawesi Sea with the total length about 576 km (358 mi), and the basin size of 33,005 km2 (12,743 sq mi) forming a wide area at the upstream and narrower in the center until downstream.[7]

Uses

Transportation

For ages Kayan River is a main transportation route for the inhabitants of Malinau and Bulungan Regency to reach the inland region of Malinau Regency using traditional boats or out of the Bulungan Regency using speed boats, while at the downstream there are some river ports for passengers and goods, such as Port of Kayan and Port of Pesawan.[8]

Fishery and agriculture

The people along Kayan River utilize the water for agriculture and fishery, either by traditional fishing or netting, especially in the upstream area, whereas about 30,000 hectare land of the Delta Kayan is used as Food Estate area, for fish ponds and farmlands.[9]

Hydroelectricity

Kayan River is used to produce hydroelectricity using some power plants, such as the Diesel-powered one in village of Long Nawang, Kayan Hulu subdistrict.[10] The river can produce around 900 Megwatts (MW).[11] There is also a dam for Hydroelectric Power Plant in the village of Desa Long Peso, Peso subdistrict, Bulungan Regency.[12]


Villages Along Kayan River

Antutan

Antutan village (Bahasa Indonesia - Desa Antutan) is one of the many villages situated along Kayan River. The population of the village compromises of Dayak sub-tribes: the Kenyah and the Kayan, also the Tidung and the Bulungan. There are several main sources of income in this village, such as paddy plantation, farming, fishing and crafts selling. Majority of the villagers heavily depended on the paddy rice plantation to make a living. However, some are also public servants, for example, teachers, nurses, armies and police.

See also

References
  1. "Indonesia East Kalimantan Kayan River Basin Hydropower and Aluminum smelting Project". March 2013.
  2. "Indonesia East Kalimantan Kayan River Basin Hydropower and Aluminum smelting Project". March 2013.
  3. "Indonesia East Kalimantan Kayan River Basin Hydropower and Aluminum smelting Project". March 2013.
  4. Delphine, Dobler; Elodie, Martinez; Rinny, Rahmania; Budhi Gunadharma, Gautama; A. Riza, Farhan (2021). "Floating marine debris along Indonesian coasts - An atlas of strandings based on Lagrangian modelling" (PDF).
  5. Rand McNally, The New International Atlas, 1993.
  6. Sungai Bulungan (Sungai Kayan) at Geonames.org (cc-by); Last updated 2013-06-04; Database dump downloaded 2015-11-27
  7. SIPDAS Mahakamberau
  8. Pelabuhan Pesawan Siap Ramaikan Jalur Perdagangan di Indonesia Timur
  9. Kemenakertrans Buka Lahan 30.000 Hektar di Kaltim
  10. PLTD Long Nawang di Malinau Dibantu Mesin Pembangkit Listrik Milik Desa
  11. Kaltara Fokus Realisasi Bendungan PLTA Kayan 900 MW
  12. Pemerintah bangun PLTA Kayan di Kaltara

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