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Guaviare River - Wikipedia

From Wikipedia, the free encyclopedia

River in Colombia

Guaviare

The Guaviare River as seen from the air

Country Colombia Source    • location Confluence of Ariari and Guayabero Rivers  • coordinates 2°34′52.9212″N 72°46′17.0328″W / 2.581367000°N 72.771398000°W / 2.581367000; -72.771398000  • elevation 178 m (584 ft) 2nd source Ariari  • location Cordillera Oriental  • coordinates 3°54′31.698″N 74°6′30.2004″W / 3.90880500°N 74.108389000°W / 3.90880500; -74.108389000  • elevation 4,040 m (13,250 ft) 3rd source Guayabero  • location Cordillera Oriental  • coordinates 3°31′36.5952″N 74°28′27.3684″W / 3.526832000°N 74.474269000°W / 3.526832000; -74.474269000  • elevation 3,080 m (10,100 ft) Mouth  

 • location

Orinoco

 • coordinates

4°4′26.5656″N 67°43′14.8008″W / 4.074046000°N 67.720778000°W / 4.074046000; -67.720778000

 • elevation

77 m (253 ft) Length 1,760 km (1,090 mi) - Guaviare–Guayabero[1] Basin size 151,606.9 km2 (58,535.8 sq mi)[4] Discharge    • location Near mouth  • average (Period: 1926–2011)7,529 m3/s (265,900 cu ft/s)[2] Discharge    • location Coayare (3°57′30.3876″N 67°50′5.748″W / 3.958441000°N 67.83493000°W / 3.958441000; -67.83493000; Basin size: 138,899.1 km2 (53,629.2 sq mi)  • average (Period: 1985–2015)6,778.9 m3/s (239,390 cu ft/s)[3]  • minimum (Year: 1994)826 m3/s (29,200 cu ft/s)[3]  • maximum (Year: 1988)15,906 m3/s (561,700 cu ft/s)[3] Discharge    • location San José del Guaviare (Basin size: 36,287.3 km2 (14,010.6 sq mi)  • average (Period: 1971–2000)1,594.8 m3/s (56,320 cu ft/s)[4] Progression Orinoco → Atlantic Ocean River system Orinoco River Tributaries    • left Ariari, Caño El Melón, Ovejas, Caño Jabón, Siare, Iteviare, Caño Cumaral, Uvá  • right Guayabero, Caño Macú, Caño Araguato, Caño Mina, Caño Minisiare, Inírida, Atabapo

The Guaviare is a tributary of the Orinoco in Colombia. It flows together with the upper Orinoco (until here also called Río Parágua), which it clearly surpasses in length (altogether about 1,760 km) and water flow. Thus, the Guaviare is hydrologically the main stream of the Orinoco system.[1]

The Guaviare has its source in two other rivers, the Ariari and the Guayabero, which in turn have their own sources in the eastern part of the Andes. At 1,760 km (1,090 mi) long, it is the longest tributary of the Orinoco and is navigable for 630 km (390 mi) of its total length. The Guaviare is considered the border between the Llanos and the Amazon Rainforest. Its main tributary is the Inírida River.

Average, minimum and maximum discharge at Coayare (Guayare), 3°57′30.3876″N 67°50′5.748″W / 3.958441000°N 67.83493000°W / 3.958441000; -67.83493000 (Lower Guaviare). Period: 1985–2015.

Year Discharge (m3/s) Min Mean Max 1985 1,206.5 6,426.17 12,716 1986 2,006.7 6,687.58 12,885 1987 1,620.4 7,063.17 12,664 1988 2,140 6,415.83 15,906 1989 2,674 6,843.67 15,800 1990 2,237 7,433.17 15,274 1991 850 6,999.33 14,910 1992 964 5,893.83 13,866 1993 1,031 7,613.92 13,229 1994 826 7,025.67 13,722 1995 1,663 6,014.08 12,689 1996 1,565 6,928.83 13,413 1997 2,232 6,634.5 11,841 1998 2,342 7,370.42 13,281 1999 2,775 7,311.92 11,574 2000 1,605 6,894.33 14,291 2001 1,835 6,289.17 14,500 2002 1,081 5,716.25 13,978 2003 921.1 7,002.83 13,319 2004 938.8 7,087.42 14,483 2005 1,381 6,411.08 14,500 2006 1,598 7,227 14,256 2007 962.4 7,149.92 14,201 2008 1,177 6,649.83 13,860 2009 1,795 5,806.42 14,465 2010 891.6 6,587.75 13,270 2011 1,356 7,036 13,030 2012 1,780 7,183.33 15,157 2013 1,111 6,941.17 14,100 2014 1,016 7,050.83 14,830 2015 1,613 6,449.67 14,500 Avg. 1,522.4 6,778.9 13,877.4

[3]

Average discharge

Period Discharge Ref. Near mouth

4°4′26.5656″N 67°43′14.8008″W / 4.074046000°N 67.720778000°W / 4.074046000; -67.720778000

1926–2011 7,529 m3/s (265,900 cu ft/s) [2] 1971–2000 8,157.9 m3/s (288,090 cu ft/s) [4] 1974–2008 8,416 m3/s (297,200 cu ft/s) [5] 7,400 m3/s (260,000 cu ft/s)

8,200 m3/s (290,000 cu ft/s)

Coayare (Guayare)

3°57′30.3876″N 67°50′5.748″W / 3.958441000°N 67.83493000°W / 3.958441000; -67.83493000

1971–2000 7,254.9 m3/s (256,200 cu ft/s) [4] 1991–2020 7,389 m3/s (260,900 cu ft/s) [6] 1985–2015 6,778.9 m3/s (239,390 cu ft/s) [3] 6,700 m3/s (240,000 cu ft/s) 6,887 m3/s (243,200 cu ft/s) San José del Guaviare 1971–2000 1,594.8 m3/s (56,320 cu ft/s) [4] 1,930 m3/s (68,000 cu ft/s)

Sediment load at mouth ca 30 million ton/year.[7]

The main tributaries from the mouth:[4]

Left

tributary

Right

tributary

Length

(km)

Basin size

(km2)

*Average discharge

(m3/s)

Guaviare 1,760 151,606.9 8,157.9 Lower Guaviare Atabapo 185 12,531.3 895 Inírida 1,419 53,816.9 2,948.4 Uvá 14,813.9 782.6 Middle Guaviare Caño Minisiare 2,335.5 119.3 Caño Mina 381.9 20 Caño Cumaral 391.5 21.3 Iteviare 4,618 221.3 Siare 4,574.5 197.9 Caño Araguato 712.3 38.5 Caño Macú 781.1 37 Caño Yamus 433 18.3 Caño Jabón 1,246.7 57.3 Ovejas 1,639.1 88.1 Caño El Melón 775.9 41 Upper Guaviare Ariari 11,638.6 600.3 Guayabero 540 24,345.9 986.2

*1971–2000

  1. ^ a b Silva León, Gustavo. "La cuenca del río Orinoco: visión hidrográfica y balance hídrico". Revista Geográfica Venezolana. 46 (1) 2005: 75–108.
  2. ^ a b José Rafael, Córdova; Marcelo González, Sanabria. La geografía del agua (PDF).
  3. ^ a b c d e Aldebaran Antonio, Atencio Pachon; Nicolás Enciso, Sepúlveda; Luis Eduardo, Pulido Cetina (2018). EVALUACIÓN DE LAS TENDENCIAS DE LOS CAUDALES MEDIOS, MÍNIMOS Y MÁXIMOS DEL RIO GUAVIARE, DEPARTAMENTO DEL GUAVIARE, EN COLOMBIA (PDF).
  4. ^ a b c d e f "Orinoco".
  5. ^ Félix Dario, Sánchez; Martha, García; Omar, Jaramillo; Nelsy, Verdugo (2010). Estudio Nacional del Agua 2010. ISBN 978-958-8067-32-2.
  6. ^ ESTUDIO NACIONAL DEL AGUA 2022 (PDF). 2023. ISBN 978-958-5489-12-7.
  7. ^ Robert H., Meade (1994). SUSPENDED SEDIMENTS OF THE MODERN AMAZON AND ORINOCO RIVERS. Vol. 21. p. 29-39.

4°02′34″N 67°42′41″W / 4.0427°N 67.7115°W / 4.0427; -67.7115

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