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Grogol River
Grogol River ("K. Grogol"), lower left in the map of rivers and canals of Jakarta (2012)
Location of the mouthShow map of JavaGrogol River (Indonesia)Show map of Indonesia
Native name	Kali Grogol (Indonesian)
Location
Country	Indonesia
State	Jakarta
Physical characteristics
Source
• location	Kedungbadak, Bogor, West Java
Mouth	Angke River, Banjir Kanal Barat
• coordinates	06°08′10″S 106°47′07″E / 6.13611°S 106.78528°E / -6.13611; 106.78528
Length	23.45 km (14.57 mi)

The Grogol River (Kali Grogol) is a small river in the western part of the Special Capital Region of Jakarta, Indonesia. The lower portions of the original river have been channelized with levees built along its banks, but flooding remains a real concern. Illegal buildings built along its banks were removed in 2014, and fifty-eight village families were provided with replacement housing, but most of them could not be accommodated.

Course

The Grogol River arises around 06°33′39″S 106°47′26″E / 6.56083°S 106.79056°E / -6.56083; 106.79056 in Desa Kedungbadak and runs north between the Krukut River to the east and the Pasanggrahan River to the west, further north the Sekretaris River arises to the west. The Grogol passes through Desa Sukadamai and Desa Kencana. After crossing the Jakarta Outer Ring Road (Jalan Tol Lingkar Luar Jakarta) it follows parallel to and just east of Route 12. At 06°15′41″S 106°47′07″E / 6.26139°S 106.78528°E / -6.26139; 106.78528 there is an overflow channel that goes west to the Pasanggrahan River. The Grogol continues north through Senayan City and just west of Gelora Bung Karno Stadium. It serves as a drain for Palmerah Urban Village. Beginning at Bank Danamon Central Park it parallels Route 1 until 06°10′02″S 106°47′16″E / 6.16722°S 106.78778°E / -6.16722; 106.78778 where an overflow channel heads due west to join the Sekretaris River, while the channelized river continues beside Route 1 and flows into the Angke River at 06°08′10″S 106°47′07″E / 6.13611°S 106.78528°E / -6.13611; 106.78528.

Hydrology

The Grogol River has a length of 23.45 kilometres (14.57 mi), with the watershed area (Indonesian: Daerah Pengaliran Sungai) of 32.08 km. The average daily rainfall is 144 mm, with the peak flow rate at 290 m³ per second.

Geography

The river flows in the northwest area of Java with predominantly tropical rainforest climate (designated as Af in the Köppen–Geiger climate classification). The annual average temperature in the area is 27 °C. The warmest month is March, when the average temperature is around 30 °C, and the coldest is May, at 26 °C. The average annual rainfall is 3674 mm. The wettest month is December, with an average of 456 mm rainfall, and the driest is September, with 87 mm rainfall.

See also

• List of drainage basins of Indonesia

References

1. Kali Grogol Approved - N) at GEOnet Names Server, United States National Geospatial-Intelligence Agency
2. Kali Grogol - Geonames.org.
3. "Amphibian Excavator Used to Dredge Grogol River". Berita. 15 April 2013. Archived from the original on 19 March 2015.
4. ^ Simanjuntak, T. P. Moan (10 February 2014). "Grogol River Dam on Jl. S Parman Elevated". Berita. Archived from the original on 20 March 2015.
5. Rio (April 2013). "Cegah Banjir, Kali Grogol Dikeruk (To Prevent Floods, Grogol River Dredged)". Berita (in Indonesian). Archived from the original on 4 March 2016.
6. ^ Lusianawati, Devi (19 September 2014). "Post-Demolishment, Grogol River Dirtied by Trashes". Archived from the original on 19 March 2015.
7. Simanjuntak, T. P. Moan. "Kantor Kelurahan Palmerah Diserbu Warga (Palmerah Village Office Invaded by Residents)" (in Indonesian). Berita. Archived from the original on 19 March 2015.
8. Kali Krukut Satu (Approved - N) at GEOnet Names Server, United States National Geospatial-Intelligence Agency
9. Kali Sekretaris (Approved - N) at GEOnet Names Server, United States National Geospatial-Intelligence Agency
10. ^ BBWS Ciliwung Cisadane. Pengendalian Banjir dan Perbaikan Sungai Ciliwung Cisadane (PBPS CC). Archived in Konservasi DAS Ciliwung - April 2012.
11. 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.
12. "NASA Earth Observations Data Set Index". NASA. 30 January 2016. Archived from the original on 28 November 2017. Retrieved 2 October 2017.
13. "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016. Archived from the original on 19 April 2019. Retrieved 2 October 2017.

• Rivers of Jakarta
• Drainage basins of the North Coast of Java