Río Napo
| Río Napo | ||
.jpg) Río Napo at the level of the Limoncocha nature reserve |
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| Data | ||
| location |
 Ecuador , Peru
|
|
| River system | Amazon | |
| Drain over | Amazon → Atlantic Ocean | |
| Confluence of |
Río Jatunyacu and Río Anzu 1 ° 3 ′ 5 ″ S , 77 ° 48 ′ 10 ″ W |
|
| Source height | 427 m | |
| muzzle | east of Iquitos in the Amazon Coordinates: 3 ° 27 ′ 17 " S , 72 ° 44 ′ 29" W 3 ° 27 ′ 17 " S , 72 ° 44 ′ 29" W |
|
| Mouth height | 78 m | |
| Height difference | 349 m | |
| Bottom slope | approx. 0.37 ‰ | |
| length | approx. 950 km (including source rivers: approx. 1080 km) | |
| Catchment area | 115,000 km² (according to other sources: 101,500 km²) | |
| Discharge at the Francisco de Orellana A Eo gauge : 12,401 km² Location: 795 km above the mouth |
MQ Mq |
1086 m³ / s 87.6 l / (s km²) |
| Discharge at the Nuevo Rocafuerte A Eo gauge : 27,387 km² Location: 580 km above the mouth |
MQ Mq |
2027 m³ / s 74 l / (s km²) |
| Discharge at the Mazán gauge Location: 82 km above the mouth |
MQ |
6369 m³ / s |
| Left tributaries | Río Misahuallí , Río Pusuno , Río Suno , Río Payamino , Río Coca , Río Aguarico , Tamboryacu | |
| Right tributaries | Río Arajuno , Río Tiputini , Río Yasuní , Río Curaray , Río Mazán | |
| Small towns | Puerto Francisco de Orellana , Mazan | |
 Río Napo |
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The Río Napo (often short in German: Napo ) is a 950 kilometers long left tributary of the Amazon . The catchment area covers 115,000 km² (according to other sources: 100,500 km²). Its water flow is 4600 m³ / s, according to other sources at 6,300 m³ / s.
River course
The source rivers of the Río Napo drain the eastern flank of the Cordillera Real . The longest source rivers arise on the eastern flank of the Cotopaxi volcano . The Río Napo itself arises at the foot of the Andes at the confluence of the Río Jatunyacu and Río Anzu , 5.5 km south of the city of Tena . It initially flows 150 km to the northeast. At Puerto Francisco de Orellana , the capital of the Ecuadorian province of Orellana , the Río Coca flows into the Río Napo when coming from the north. This flows through the Amazon basin in an easterly direction. After 100 km it turns to the southeast. Between the river kilometers 555 and 580 the Río Napo forms the border between Ecuador and Peru. Immediately afterwards, the Río Aguarico flows into the Río Napo when coming from the north. This now flows through the Peruvian part of the Amazon basin and finally flows into the Amazon 65 km northeast of Iquitos near the small town of Mazán .
The Napo is navigable from the Amazon to at least the confluence of the Río Curaray . It is also navigable from the Río Coca. On the Ecuadorian side, the upper reaches and numerous tributaries are particularly popular for rafting .
The Napo was completely driven from Quito to the Amazon in 1541 under the leadership of Francisco de Orellana on the Gonzalo Pizarro expedition , which among other things had the search for the legendary gold country Eldorado . However, the group could not find their way around the huge delta, Pizarro decided to turn back to Quito and experienced with his march back along the marshy river banks of the Río Napo and through the rainforests on the eastern flank of the Andes, the most privation-rich enterprise in the history of South American discovery.
The reverse trip was first made by the Portuguese cartographer Pedro Teixeira 1637–1639 starting from the Amazon .
fauna
The fish species Corydoras napoensis found there is named after the river .
See also
Web links
- In the intoxication of nature Frankfurter Allgemeine from September 21, 2018
Individual evidence
- ↑ RB Barthem et al .: Global International Waters Assessment, Regional Assessment 40B - Amazon Basin . UN Environment Program, Kalmar 2004
- ↑ a b A. Laraque, J. Ronchail and a .: Heterogeneous Distribution of Rainfall and Discharge Regimes in the Ecuadorian Amazon Basin. In: Journal of Hydrometeorology. 8, 2007, p. 1364, doi : 10.1175 / 2007JHM784.1 .
- ↑ EM Latrubesse et al .: Tropical rivers , Geomorphology 70, pp 187-206, 2005; see also : earthtrends.wri.org ( memento of the original from September 6, 2006 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice.
- ^ Jean L. Guyot et al .: Suspended sediment yields in the Amazon basin of Peru: a first estimation . Water Quality and Sediment Behavior of the Future: Predictions for the 21st Century Proceedings of Symposium HS2005 at IUGG2007, Perugia, July 2007. IAHS Publ. 314, 2007, pp. 3-10
- ↑ Urs Bitterli: The discovery of America . Munich 1991 (2006), p. 275
- ↑ Axel Zarske: Corydoras napoensis Nijssen & Isbrücker, 1986. In: Claus Schaefer, Torsten Schröer (ed.): The large lexicon of aquaristics. Eugen Ulmer, Stuttgart 2004, ISBN 3-8001-7497-9 , p. 270.
