Asem River (Ci Asem) is a river in northern West Java province on Java island, Indonesia.[2] The river rises on Mount Tangkuban Perahu and discharges into the Bay of Ciasem, Java Sea, traversing Ciasem, Subang Regency, around 90 km east of the capital Jakarta.[3]

Ci Asem River
Ci Asem, Sungai Ciasem, Ciasem, Tjiasem, Tji Asem
Ciasem mouth
Map
Location
Country Indonesia
ProvinceWest Java
Physical characteristics
SourceMount Tangkuban Perahu
 • locationCicadas, Subang regency
 • coordinates6°44′56″S 107°36′41″E / 6.748750°S 107.611500°E / -6.748750; 107.611500
MouthCiasem bay, (Java Sea)
 • location
Blanakan, Subang Regency
 • coordinates
6°13′28″S 107°41′45″E / 6.224475°S 107.695886°E / -6.224475; 107.695886
Basin size745 km2 (288 sq mi)[1]
Basin features
River systemCiasem basin
BridgesPantura Ciasem bridge
Basin management unitBPDAS Citarum Ciliwung[1]
Map
map shows the river source (green pin) near Lembang flowing northward and emptying into Ciasem Bay (blue pin) in the Java Sea.

Hydrology

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Asem River is one of the three main rivers in the Subang Regency.[4] There are a total of 21 rivers and 61 tributaries in the watershed area of (Daerah Aliran Sungai/DAS) Ciasem of 745 km2. Compared to the other two main rivers - Ci Punegara and Ci Lamaya - Asem River and its many tributaries all flow only within the Subang Regency. The river has a total length of 60 kilometer until the northern coast.[4]

Geography

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The river flows in the northwest area of Java with a predominantly tropical monsoon climate (designated as Am in the Köppen-Geiger climate classification).[5] The annual average temperature in the area is 25 °C. The warmest month is September when the average temperature is around 28 °C, and the coldest is July, at 24 °C.[6] The average annual rainfall is 2810 mm. The wettest month is January, with an average of 454 mm of rainfall, and the driest is September, with 14 mm of rainfall.[7]

See also

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References

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  1. ^ a b "Keputusan Menteri Kehutanan Nomor SK.511/MENHUT-V/2011 Tahun 2011 - Pusat Data Hukumonline".
  2. ^ Ci Asem at Geonames.org (cc-by); Last updated 2013-06-04; Database dump downloaded 2015-11-27
  3. ^ Rand McNally, The New International Atlas, 1993.
  4. ^ a b Sering Menelan Korban Jiwa, Inilah Catatan Kelam Sungai Ciasem yang Misterius dan Melegenda - Soeara Rakjat. December 17, 2016.
  5. ^ 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 (5): 1633–1644. Bibcode:2007HESS...11.1633P. doi:10.5194/hess-11-1633-2007. Retrieved 30 January 2016.
  6. ^ "NASA Earth Observations Data Set Index". NASA. 30 January 2016. Archived from the original on 11 May 2020. Retrieved 31 December 2018.
  7. ^ "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016. Archived from the original on 19 April 2019. Retrieved 31 December 2018.

6°13′23″S 107°41′45″E / 6.22306°S 107.69583°E / -6.22306; 107.69583