Bingai River

Bingai river (Indonesian: Sungai Bingai) is a river in the province of North Sumatra of Sumatra island, Indonesia, flowing into Wampu River,[1] about 1400 km to the northwest of the capital Jakarta.[2] The river passes through the City of Binjai, with a length of 15 km and the drainage basin area of 150 km² in North Binjai area.[3]

Bingai River
Sungai Bingai
Soengai Bindjai, Soengai Bingai, Lao Bingai
Location of the mouth
Bingai River (Indonesia)
Native nameSungai Bingei, Sei Bingei
Location
CountryIndonesia
StateNorth Sumatra
Physical characteristics
MouthWampu River
 • coordinates
3°42′26″N 98°23′23″E

Geography

The river flows along the northeast area of Sumatra with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).[4] The annual average temperature in the area is 25 °C. The warmest month is March, when the average temperature is around 26 °C, and the coldest is January, at 23 °C.[5] The average annual rainfall is 3495 mm. The wettest month is October, with an average of 460 mm rainfall, and the driest is March, with 192 mm rainfall.[6]

Natural resources

The state water company, PDAM Tirtasari, works together with PT Sumut Tirta Resource Lien Cheng, and the mayor of Binjai City to form a purchase agreement of processed water with a build operate and transfer (BOT) scheme for 25 years, that PT Sumut Tirta Resource builds and operates the water treatment plant to process raw water from Bingai river, then the processed water is bought by PDAM Tirtasari in the amount of 25,488 cubic meter/day to supply household customers.[7]

Ecology

Periphyton Community Structure research in 2015 discovered 34 genus of organism in 3 families: Bacillariophyceae (23 genus), Chlorophyceae (8 genus), and Cyanophyceae (3 genus), at 3 stations. Periphyton Diversity (H´) ranged from 2.38−2.70. Abundance ranged from 10,136−30,216 ind/cm². Acidity (pH) ranged from 7,35 − 7,45, dissolved oxygen (DO) ranged from 4.65−4.75 mg/l, brightness ranged from 42.5−60 cm, current ranged from 0.15−0.21 m/sec, nitrates ranged from 2.1−2.55 mg/l, phosphates ranged from 0.18−0.25 mg/l.[3]

Tourist attraction

Rafting activities has been established in the river, which is also called "Sungai Bingei" or "Sei Bingei" by the local people, especially in the village of Sei Bingei, Binjai, Langkat Regency.[8][9] Traveling from the starting point of Binjai (Binjai Super Mall) to the Sei Bingei or Namu Sira sira takes about 30 minutes through scenic road, until reaching the sign "RapidPlus Arung Jeram Sei Bingei" which denotes the destination.[8] Rafting in Bingai river has the difficulty level of 2-3 in the international classification, still within the safe category for beginners, with a distance of 6 km to be covered in about 2 hours.[9]

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See also

References
  1. Rand McNally, The New International Atlas, 1993.
  2. Sungai Bingai at Geonames.org (cc-by); Last updated 2012-01-17; Database dump downloaded 2015-11-27
  3. Maria Christie Sembiring, Hasan Sitorus, Rusdi Leidonald. Struktur Komunitas Perifiton di Sungai Bingai Kota Binjai Sumatera Utara (Periphyton Community Structure in Bingai River, Binjai City, North Sumatera). Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian, Universitas Sumatera Utara. Jurnal Aquacoastmarine Vol 6, No 1 (2015).
  4. 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.
  5. "NASA Earth Observations Data Set Index". NASA. 30 January 2016.
  6. "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016.
  7. Air Sungai Bingei akan jadi Bahan Baku PDAM di Binjai - Gosumut.com 07 Oktober 2016.
  8. Memacu Adrenalin : Menaklukan Jeram Demi Jeram Sei Bingei Archived 2017-08-22 at the Wayback Machine - Kreatif Online. Accessed 21 August 2017.
  9. Arung Jeram yang Menantang di Sungai Bingei, Binjai - Detik Travel. 02 Jun 2013.
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