Tabalong River Batang Tabalon, Batang Tabalong, Sungai Tabalon | |
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Physical characteristics | |
Source | confluence of the Left Tabalong River and Right Tabalong River |
• location | Tabalong Regency |
Mouth | Negara River |
• location | Amuntai |
Length | 45 km (28 mi) |
Width | |
• average | 80 m (260 ft) |
Depth | |
• average | 3.5 m (11 ft) |
Basin features | |
River system | Tabalong |
Tributaries | |
• left | Bentot River; Anyar River |
The Tabalong River (Indonesian : Sungai Tabalong; Banjar : Batang Tabalong) is a river traversing Tabalong Regency, in the province of South Kalimantan, Indonesia. [1] [2] The river flows into the Negara River. It is a confluence of two tributaries: the Left Tabalong and Right Tabalong rivers.
The river has a length of 45 km, width of 80 meter and average depth of 3.5 meter. [3]
Tabalong River | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Climate chart (explanation) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The river flows in the southeast area of Borneo island with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification). [5] The annual average temperature in the area is 24 °C. The warmest month is June, when the average temperature is around 26 °C, and the coldest is January, at 22 °C. [4] The average annual rainfall is 2982 mm. The wettest month is December, with an average of 392 mm rainfall, and the driest is September, with 101 mm rainfall. [6]
The Tabalong River provides a large swamp land, which can be used to grow rice during the dry season. However, during the wet season, the discharge of the river and its tributaries increases so high, that it often threatened the harvest and caused flooding in the nearby villages. [7] [8] Therefore, the local government builds flood gates to control the flow and prevent floods. [9]
The abundance of water during the wet season is actually useful to fill up the pools for fishery. [10]
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North Hulu Sungai Regency is one of the regencies in the Indonesian province of South Kalimantan. It was created on 26 June 1959 from the trifurcation of the original Hulu Sungai Regency and formerly covered a much larger area in the north of the province, but on 14 July 1965 the northern districts were split off to create a separate Tabalong Regency, and on 25 February 2003 the eastern districts were split off to create a separate Balangan Regency. It now has a land area of 907.72 km2, and had a population of 209,246 at the 2010 Census and 226,727 at the 2020 Census; the official estimate as of mid-2023 was 233,412. The capital of the regency is the town of Amuntai.
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