Chico River (Lower Chubut)
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The Chico River is a river of
Chubut Province Chubut ( es, Provincia del Chubut, ; cy, Talaith Chubut) is a province in southern Argentina, situated between the 42nd parallel south (the border with Río Negro Province), the 46th parallel south (bordering Santa Cruz Province), the Andes rang ...
,
Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
. It is about long, flowing in a northeasterly direction from the vicinity of Lake Colhue Huapi. It is a tributary of the Chubut River, joining it at the Florentino Ameghino Dam. Before 1939 water from the Senguerr River entered the Chico via an outlet on the east side of Lake Colhue Huapi, but heavy use of water for
irrigation Irrigation (also referred to as watering) is the practice of applying controlled amounts of water to land to help grow crops, landscape plants, and lawns. Irrigation has been a key aspect of agriculture for over 5,000 years and has been devel ...
has lowered the lake level and led to desiccation of the Chico river. The wide valley of the Chico is mostly dry today, except during periods of especially heavy snowmelt in the
Andean The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S l ...
headwaters of the Senguerr.


See also

*
List of rivers of Argentina This is a list of rivers of Argentina. Longest Rivers By drainage basin This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name. Rivers in the table above are in bold. La Plata Basin * RÃ ...


References

* Rand McNally, The New International Atlas, 1993.
GEOnet Names Server

Hydrogeology of a Large Oil-and-Gas Basin in Central Patagonia
Rivers of Argentina {{Argentina-river-stub