Resumen

RIVEROS-ZARATE, Zaida Carolina; YUSTRES-QUINTERO, Luisa Fernanda  y  IVANOVA, Yulia. Effect of Quasi-Biennal Oscillation phenomenon to the tributaries of Betania’s reservoir. Rev.EIA.Esc.Ing.Antioq [online]. 2020, vol.17, n.34, pp.32-40.  Epub 28-Ago-2021. ISSN 1794-1237.  https://doi.org/10.24050/reia.v17i34.1246.

Colombia is one of the countries characterized for a high spatial-temporal variability of hydroclimatological variables defined by a wide range of macro climatic phenomena. One of this is the Quasi-Biennal oscillation phenomenom, which hasn't been too much studied in the national context. In the survey was evaluated the phenomenom's incidence over the water regime of the tributaires of Betania's reservoir, who is important from the point of view of hydropower production and agricultural activity. It was encountered that the macro climatic event could show itself in a term from 4 to 7 months and its contribution to the year-on-year variability of flows is even of the 13.7%. taking into account that the anthropic interventions in the area affect the levels of the flows where the results are reflected when obtaining the correlations.

Palabras clave : Quasi-Biennal oscillation; hydroclimatological variability; Betania's reservoir; water regime; climatic effect; incidence.

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