Rokan-kiri River
Rokan-kiri River is a river in Riau province, central part of Sumatra island, Indonesia, about 1100 km northwest of the capital Jakarta.[1][2] It is a tributary of the Rokan River.
| Rokan-kiri River Sungai Rokan Kiri, Soengai Ro Kon-Kiri | |
|---|---|
  Location of river mouth  Rokan-kiri River (Indonesia) | |
| Location | |
| Country | Indonesia |
| Physical characteristics | |
| Source | |
| • location | Sumatra |
| Mouth | Rokan River |
Geography
The river flows in the central area of Sumatra with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).[3] The annual average temperature in the area is 23 °C. The warmest month is August, when the average temperature is around 24 °C, and the coldest is January, at 22 °C.[4] The average annual rainfall is 2742 mm. The wettest month is November, with an average of 401 mm rainfall, and the driest is June, with 85 mm rainfall.[5]
References
- Rand McNally, The New International Atlas, 1993.
- Sungai Rokan Kiri at Geonames.org (cc-by); Last updated 2013-06-04; Database dump downloaded 2015-11-27
- 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.
- "NASA Earth Observations Data Set Index". NASA. 30 January 2016.
- "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016.
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