Brang Biji River

Brang Biji River (Indonesian: Sungai Brang Biji; in Sumbawarese, "Brang" means "river") is a river in the island of Sumbawa, Indonesia, about 1,200 km east of the capital Jakarta.[1] It is also known as Brang Sumbawa.[2]

Brang Biji River
Sungai Brang Biji
Brang Sumbawa, Brang Soembawa,
Soengai Soembawa
Location of the mouth
Brang Biji River (Indonesia)
Location
CountryIndonesia
ProvinceWest Nusa Tenggara
RegionSumbawa Regency
CitySumbawa Besar
Physical characteristics
Source 
 • locationBatu Lanteh
MouthFlores Sea
 • location
Sumbawa Besar
 • coordinates
8°27′58″S 117°24′14″E
 • elevation
0 m (0 ft)

Hydrology

The drainage basin of Brang Biji covers an area of 225 km². The main river has a length of 33.20 km, with an upstream inclination of 17,14%, and the middle part inclination of 5,15%. It flows from south to north, passing Batu Lanteh at upriver and the city of Sumbawa Besar at downriver, into Flores Sea.[3]

For years, Brang Biji river suffers from rapid sedimentation, which reduces its water capacity, and decreasing width due to uncontrolled house building along the river banks.[4] These factors contribute to annual flood, submerging houses along the banks in the districts of Bugis, Brang Bara, Pekat, Samapuin, Lempeh and Brang Biji,[3] as happened in February 2017.[5]

Brang Biji river is also heavily polluted by high concentration of E-coli and mercury, reaching an unsafe level for people to use for drinking or washing.[6] The pollution is attributed to the unhygienic lifestyle of community, such as throwing thrash and using the river as restroom.[7]

Geography

The river flows along the northwestern area of Sumbawa with predominantly tropical savanna climate (designated as As in the Köppen-Geiger climate classification).[8] The annual average temperature in the area is 26 °C. The warmest month is October, when the average temperature is around 30 °C, and the coldest is February, at 24 °C.[9] The average annual rainfall is 1539 mm. The wettest month is January, with an average of 321 mm rainfall, and the driest is August, with 3 mm rainfall.[10]

See also

References
  1. Brang Biji at Geonames.org (cc-by); Database dump downloaded 2015-11-27
  2. Brang Sumbawa at Geonames.org (cc-by); Database dump downloaded 2015-11-27
  3. (in Indonesian) Fredy Benedictus Da Costa Rao, Saifoe El Unas, Pudyono. Studi Kelayakan Investasi Pembangunan Bendungan Krekeh Kabupaten Sumbawa Berdasarkan Aspek Ekonomi - Jurnal Mahasiswa Teknik Sipil Fakultas Teknik Universitas Brawijaya - Vol 1, No 3 (2015).
  4. (in Indonesian) Benahi Infrastruktur, "Jinakkan" Banjir - SUARANTB.com - 20 Februari 2017.
  5. (in Indonesian) 10 Bencana Alam Landa Indonesia dalam Sepekan - Republika - 12 Februari 2017.
  6. (in Indonesian) Enam Sungai di NTB Tercemar Limbah Berat Archived 2017-08-30 at the Wayback Machine - Aktual.com - Desember 14, 2015.
  7. (in Indonesian) Perilaku Hidup Bersih Masih Rendah, Sungai-sungai Besar di NTB Tercemar Tinja - Global FM - 16 Desember 2015.
  8. 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.
  9. "NASA Earth Observations Data Set Index". NASA. 30 January 2016.
  10. "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.