The Barito River is the second longest river in Borneo, Indonesia after the Kapuas River with a total length of and a drainage basin of over in South Kalimantan, Indonesia. It originates in the Müller Mountain Range, from where it flows southward into the Java Sea. Its most important affluent is the Negara and Martapura, and it passes through the city of Banjarmasin.
This river is the location of the closest relative of the Malagasy language of Madagascar, the Ma'anyan language of Dayaks, from where settlers arrived in Madagascar (presumably in waves) from the 3rd to 10th century and from which the current island nation's population largely traces its origins.
Geography The river flows in the southeast area of Borneo with a predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification). The annual average temperature in the area is . The warmest month is October, when the average temperature is around , and the coldest is January, at . The average annual rainfall is . The wettest month is December, with an average of rainfall, and the driest is September, with a rainfall.
Discharge Period Discharge Ref. Barito Delta
2008–2015 2003–2016 1970–2000 Banjarmasin
2006–2011 Muara Teweh
1971–2000
Tributaries Left tributary Right tributary Length (km) Basin size (km2) Average discharge (m3/s) Barito 1,090 81,675 4,514 Martapura 61.25 3,791.3 171.8 Negara 128.25 10,757.6 413.8 Kapuas 714.7 14,473.4 837.8 Mengkatip 1,329.2 51.3 Paminggir 630.1 23.7 Napu 75.66 982.7 36.5 Muning 605.4 24.9 Karau 94.9 1,822.1 68.9 Ajuh 94.66 1,360.3 61.2 Tapen 487.8 27.1 Montallat 853.9 48.5 Lemu 51.28 558.9 34.7 Lahei 142.75 2,882.3 192.7 Laung 143.5 2,921.9 212.7 Bakanon 363.8 25.9 Babuat 29.25 334.2 24.3 Lampuya 336.4 24.7 Murung 258 7,410.7 555.1 Joloi (Djulai) 169.5 8,268.5 713.5
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See also List of drainage basins of Indonesia List of rivers of Indonesia List of rivers of Kalimantan
References
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